| Message ID | 20230630-topic-oxnas-upstream-remove-v2-9-fb6ab3dea87c@linaro.org (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | ARM: oxnas support removal | expand |
Hi Linus, On 30/06/2023 18:58, Neil Armstrong wrote: > Due to lack of maintenance and stall of development for a few years now, > and since no new features will ever be added upstream, remove support > for OX810 and OX820 pinctrl & gpio. Do you plan to take patches 9, 10 & 11 or should I funnel them via a final SoC PR ? Thanks, Neil > > Acked-by: Linus Walleij <linus.walleij@linaro.org> > Acked-by: Arnd Bergmann <arnd@arndb.de> > Acked-by: Daniel Golle <daniel@makrotopia.org> > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> > --- > drivers/pinctrl/Kconfig | 11 - > drivers/pinctrl/Makefile | 1 - > drivers/pinctrl/pinctrl-oxnas.c | 1292 --------------------------------------- > 3 files changed, 1304 deletions(-) > > diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig > index 57d57af1f624..7dfb7190580e 100644 > --- a/drivers/pinctrl/Kconfig > +++ b/drivers/pinctrl/Kconfig > @@ -355,17 +355,6 @@ config PINCTRL_OCELOT > > If conpiled as a module, the module name will be pinctrl-ocelot. > > -config PINCTRL_OXNAS > - bool > - depends on OF > - select PINMUX > - select PINCONF > - select GENERIC_PINCONF > - select GPIOLIB > - select OF_GPIO > - select GPIOLIB_IRQCHIP > - select MFD_SYSCON > - > config PINCTRL_PALMAS > tristate "Pinctrl driver for the PALMAS Series MFD devices" > depends on OF && MFD_PALMAS > diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile > index 482b391b5deb..dd6cda270294 100644 > --- a/drivers/pinctrl/Makefile > +++ b/drivers/pinctrl/Makefile > @@ -38,7 +38,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o > obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o > obj-$(CONFIG_PINCTRL_MLXBF3) += pinctrl-mlxbf3.o > obj-$(CONFIG_PINCTRL_OCELOT) += pinctrl-ocelot.o > -obj-$(CONFIG_PINCTRL_OXNAS) += pinctrl-oxnas.o > obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o > obj-$(CONFIG_PINCTRL_PIC32) += pinctrl-pic32.o > obj-$(CONFIG_PINCTRL_PISTACHIO) += pinctrl-pistachio.o > diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c > deleted file mode 100644 > index fb10a8473ebe..000000000000 > --- a/drivers/pinctrl/pinctrl-oxnas.c > +++ /dev/null > @@ -1,1292 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* > - * Oxford Semiconductor OXNAS SoC Family pinctrl driver > - * > - * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> > - * > - * Based on pinctrl-pic32.c > - * Joshua Henderson, <joshua.henderson@microchip.com> > - * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. > - */ > -#include <linux/gpio/driver.h> > -#include <linux/interrupt.h> > -#include <linux/io.h> > -#include <linux/irq.h> > -#include <linux/of.h> > -#include <linux/of_device.h> > -#include <linux/pinctrl/pinconf.h> > -#include <linux/pinctrl/pinconf-generic.h> > -#include <linux/pinctrl/pinctrl.h> > -#include <linux/pinctrl/pinmux.h> > -#include <linux/platform_device.h> > -#include <linux/slab.h> > -#include <linux/regmap.h> > -#include <linux/mfd/syscon.h> > - > -#include "pinctrl-utils.h" > - > -#define PINS_PER_BANK 32 > - > -#define GPIO_BANK_START(bank) ((bank) * PINS_PER_BANK) > - > -/* OX810 Regmap Offsets */ > -#define PINMUX_810_PRIMARY_SEL0 0x0c > -#define PINMUX_810_SECONDARY_SEL0 0x14 > -#define PINMUX_810_TERTIARY_SEL0 0x8c > -#define PINMUX_810_PRIMARY_SEL1 0x10 > -#define PINMUX_810_SECONDARY_SEL1 0x18 > -#define PINMUX_810_TERTIARY_SEL1 0x90 > -#define PINMUX_810_PULLUP_CTRL0 0xac > -#define PINMUX_810_PULLUP_CTRL1 0xb0 > - > -/* OX820 Regmap Offsets */ > -#define PINMUX_820_BANK_OFFSET 0x100000 > -#define PINMUX_820_SECONDARY_SEL 0x14 > -#define PINMUX_820_TERTIARY_SEL 0x8c > -#define PINMUX_820_QUATERNARY_SEL 0x94 > -#define PINMUX_820_DEBUG_SEL 0x9c > -#define PINMUX_820_ALTERNATIVE_SEL 0xa4 > -#define PINMUX_820_PULLUP_CTRL 0xac > - > -/* GPIO Registers */ > -#define INPUT_VALUE 0x00 > -#define OUTPUT_EN 0x04 > -#define IRQ_PENDING 0x0c > -#define OUTPUT_SET 0x14 > -#define OUTPUT_CLEAR 0x18 > -#define OUTPUT_EN_SET 0x1c > -#define OUTPUT_EN_CLEAR 0x20 > -#define RE_IRQ_ENABLE 0x28 > -#define FE_IRQ_ENABLE 0x2c > - > -struct oxnas_function { > - const char *name; > - const char * const *groups; > - unsigned int ngroups; > -}; > - > -struct oxnas_pin_group { > - const char *name; > - unsigned int pin; > - unsigned int bank; > - struct oxnas_desc_function *functions; > -}; > - > -struct oxnas_desc_function { > - const char *name; > - unsigned int fct; > -}; > - > -struct oxnas_gpio_bank { > - void __iomem *reg_base; > - struct gpio_chip gpio_chip; > - struct irq_chip irq_chip; > - unsigned int id; > -}; > - > -struct oxnas_pinctrl { > - struct regmap *regmap; > - struct device *dev; > - struct pinctrl_dev *pctldev; > - const struct oxnas_function *functions; > - unsigned int nfunctions; > - const struct oxnas_pin_group *groups; > - unsigned int ngroups; > - struct oxnas_gpio_bank *gpio_banks; > - unsigned int nbanks; > -}; > - > -struct oxnas_pinctrl_data { > - struct pinctrl_desc *desc; > - struct oxnas_pinctrl *pctl; > -}; > - > -static const struct pinctrl_pin_desc oxnas_ox810se_pins[] = { > - PINCTRL_PIN(0, "gpio0"), > - PINCTRL_PIN(1, "gpio1"), > - PINCTRL_PIN(2, "gpio2"), > - PINCTRL_PIN(3, "gpio3"), > - PINCTRL_PIN(4, "gpio4"), > - PINCTRL_PIN(5, "gpio5"), > - PINCTRL_PIN(6, "gpio6"), > - PINCTRL_PIN(7, "gpio7"), > - PINCTRL_PIN(8, "gpio8"), > - PINCTRL_PIN(9, "gpio9"), > - PINCTRL_PIN(10, "gpio10"), > - PINCTRL_PIN(11, "gpio11"), > - PINCTRL_PIN(12, "gpio12"), > - PINCTRL_PIN(13, "gpio13"), > - PINCTRL_PIN(14, "gpio14"), > - PINCTRL_PIN(15, "gpio15"), > - PINCTRL_PIN(16, "gpio16"), > - PINCTRL_PIN(17, "gpio17"), > - PINCTRL_PIN(18, "gpio18"), > - PINCTRL_PIN(19, "gpio19"), > - PINCTRL_PIN(20, "gpio20"), > - PINCTRL_PIN(21, "gpio21"), > - PINCTRL_PIN(22, "gpio22"), > - PINCTRL_PIN(23, "gpio23"), > - PINCTRL_PIN(24, "gpio24"), > - PINCTRL_PIN(25, "gpio25"), > - PINCTRL_PIN(26, "gpio26"), > - PINCTRL_PIN(27, "gpio27"), > - PINCTRL_PIN(28, "gpio28"), > - PINCTRL_PIN(29, "gpio29"), > - PINCTRL_PIN(30, "gpio30"), > - PINCTRL_PIN(31, "gpio31"), > - PINCTRL_PIN(32, "gpio32"), > - PINCTRL_PIN(33, "gpio33"), > - PINCTRL_PIN(34, "gpio34"), > -}; > - > -static const struct pinctrl_pin_desc oxnas_ox820_pins[] = { > - PINCTRL_PIN(0, "gpio0"), > - PINCTRL_PIN(1, "gpio1"), > - PINCTRL_PIN(2, "gpio2"), > - PINCTRL_PIN(3, "gpio3"), > - PINCTRL_PIN(4, "gpio4"), > - PINCTRL_PIN(5, "gpio5"), > - PINCTRL_PIN(6, "gpio6"), > - PINCTRL_PIN(7, "gpio7"), > - PINCTRL_PIN(8, "gpio8"), > - PINCTRL_PIN(9, "gpio9"), > - PINCTRL_PIN(10, "gpio10"), > - PINCTRL_PIN(11, "gpio11"), > - PINCTRL_PIN(12, "gpio12"), > - PINCTRL_PIN(13, "gpio13"), > - PINCTRL_PIN(14, "gpio14"), > - PINCTRL_PIN(15, "gpio15"), > - PINCTRL_PIN(16, "gpio16"), > - PINCTRL_PIN(17, "gpio17"), > - PINCTRL_PIN(18, "gpio18"), > - PINCTRL_PIN(19, "gpio19"), > - PINCTRL_PIN(20, "gpio20"), > - PINCTRL_PIN(21, "gpio21"), > - PINCTRL_PIN(22, "gpio22"), > - PINCTRL_PIN(23, "gpio23"), > - PINCTRL_PIN(24, "gpio24"), > - PINCTRL_PIN(25, "gpio25"), > - PINCTRL_PIN(26, "gpio26"), > - PINCTRL_PIN(27, "gpio27"), > - PINCTRL_PIN(28, "gpio28"), > - PINCTRL_PIN(29, "gpio29"), > - PINCTRL_PIN(30, "gpio30"), > - PINCTRL_PIN(31, "gpio31"), > - PINCTRL_PIN(32, "gpio32"), > - PINCTRL_PIN(33, "gpio33"), > - PINCTRL_PIN(34, "gpio34"), > - PINCTRL_PIN(35, "gpio35"), > - PINCTRL_PIN(36, "gpio36"), > - PINCTRL_PIN(37, "gpio37"), > - PINCTRL_PIN(38, "gpio38"), > - PINCTRL_PIN(39, "gpio39"), > - PINCTRL_PIN(40, "gpio40"), > - PINCTRL_PIN(41, "gpio41"), > - PINCTRL_PIN(42, "gpio42"), > - PINCTRL_PIN(43, "gpio43"), > - PINCTRL_PIN(44, "gpio44"), > - PINCTRL_PIN(45, "gpio45"), > - PINCTRL_PIN(46, "gpio46"), > - PINCTRL_PIN(47, "gpio47"), > - PINCTRL_PIN(48, "gpio48"), > - PINCTRL_PIN(49, "gpio49"), > -}; > - > -static const char * const oxnas_ox810se_fct0_group[] = { > - "gpio0", "gpio1", "gpio2", "gpio3", > - "gpio4", "gpio5", "gpio6", "gpio7", > - "gpio8", "gpio9", "gpio10", "gpio11", > - "gpio12", "gpio13", "gpio14", "gpio15", > - "gpio16", "gpio17", "gpio18", "gpio19", > - "gpio20", "gpio21", "gpio22", "gpio23", > - "gpio24", "gpio25", "gpio26", "gpio27", > - "gpio28", "gpio29", "gpio30", "gpio31", > - "gpio32", "gpio33", "gpio34" > -}; > - > -static const char * const oxnas_ox810se_fct3_group[] = { > - "gpio0", "gpio1", "gpio2", "gpio3", > - "gpio4", "gpio5", "gpio6", "gpio7", > - "gpio8", "gpio9", > - "gpio20", > - "gpio22", "gpio23", "gpio24", "gpio25", > - "gpio26", "gpio27", "gpio28", "gpio29", > - "gpio30", "gpio31", "gpio32", "gpio33", > - "gpio34" > -}; > - > -static const char * const oxnas_ox820_fct0_group[] = { > - "gpio0", "gpio1", "gpio2", "gpio3", > - "gpio4", "gpio5", "gpio6", "gpio7", > - "gpio8", "gpio9", "gpio10", "gpio11", > - "gpio12", "gpio13", "gpio14", "gpio15", > - "gpio16", "gpio17", "gpio18", "gpio19", > - "gpio20", "gpio21", "gpio22", "gpio23", > - "gpio24", "gpio25", "gpio26", "gpio27", > - "gpio28", "gpio29", "gpio30", "gpio31", > - "gpio32", "gpio33", "gpio34", "gpio35", > - "gpio36", "gpio37", "gpio38", "gpio39", > - "gpio40", "gpio41", "gpio42", "gpio43", > - "gpio44", "gpio45", "gpio46", "gpio47", > - "gpio48", "gpio49" > -}; > - > -static const char * const oxnas_ox820_fct1_group[] = { > - "gpio3", "gpio4", > - "gpio12", "gpio13", "gpio14", "gpio15", > - "gpio16", "gpio17", "gpio18", "gpio19", > - "gpio20", "gpio21", "gpio22", "gpio23", > - "gpio24" > -}; > - > -static const char * const oxnas_ox820_fct4_group[] = { > - "gpio5", "gpio6", "gpio7", "gpio8", > - "gpio24", "gpio25", "gpio26", "gpio27", > - "gpio40", "gpio41", "gpio42", "gpio43" > -}; > - > -static const char * const oxnas_ox820_fct5_group[] = { > - "gpio28", "gpio29", "gpio30", "gpio31" > -}; > - > -#define FUNCTION(_name, _gr) \ > - { \ > - .name = #_name, \ > - .groups = oxnas_##_gr##_group, \ > - .ngroups = ARRAY_SIZE(oxnas_##_gr##_group), \ > - } > - > -static const struct oxnas_function oxnas_ox810se_functions[] = { > - FUNCTION(gpio, ox810se_fct0), > - FUNCTION(fct3, ox810se_fct3), > -}; > - > -static const struct oxnas_function oxnas_ox820_functions[] = { > - FUNCTION(gpio, ox820_fct0), > - FUNCTION(fct1, ox820_fct1), > - FUNCTION(fct4, ox820_fct4), > - FUNCTION(fct5, ox820_fct5), > -}; > - > -#define OXNAS_PINCTRL_GROUP(_pin, _name, ...) \ > - { \ > - .name = #_name, \ > - .pin = _pin, \ > - .bank = _pin / PINS_PER_BANK, \ > - .functions = (struct oxnas_desc_function[]){ \ > - __VA_ARGS__, { } }, \ > - } > - > -#define OXNAS_PINCTRL_FUNCTION(_name, _fct) \ > - { \ > - .name = #_name, \ > - .fct = _fct, \ > - } > - > -static const struct oxnas_pin_group oxnas_ox810se_groups[] = { > - OXNAS_PINCTRL_GROUP(0, gpio0, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(1, gpio1, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(2, gpio2, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(3, gpio3, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(4, gpio4, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(5, gpio5, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(6, gpio6, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(7, gpio7, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(8, gpio8, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(9, gpio9, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(10, gpio10, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(11, gpio11, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(12, gpio12, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(13, gpio13, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(14, gpio14, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(15, gpio15, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(16, gpio16, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(17, gpio17, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(18, gpio18, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(19, gpio19, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(20, gpio20, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(21, gpio21, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(22, gpio22, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(23, gpio23, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(24, gpio24, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(25, gpio25, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(26, gpio26, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(27, gpio27, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(28, gpio28, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(29, gpio29, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(30, gpio30, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(31, gpio31, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(32, gpio32, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(33, gpio33, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > - OXNAS_PINCTRL_GROUP(34, gpio34, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct3, 3)), > -}; > - > -static const struct oxnas_pin_group oxnas_ox820_groups[] = { > - OXNAS_PINCTRL_GROUP(0, gpio0, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(1, gpio1, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(2, gpio2, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(3, gpio3, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(4, gpio4, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(5, gpio5, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(6, gpio6, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(7, gpio7, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(8, gpio8, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(9, gpio9, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(10, gpio10, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(11, gpio11, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(12, gpio12, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(13, gpio13, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(14, gpio14, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(15, gpio15, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(16, gpio16, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(17, gpio17, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(18, gpio18, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(19, gpio19, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(20, gpio20, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(21, gpio21, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(22, gpio22, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(23, gpio23, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1)), > - OXNAS_PINCTRL_GROUP(24, gpio24, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct1, 1), > - OXNAS_PINCTRL_FUNCTION(fct4, 5)), > - OXNAS_PINCTRL_GROUP(25, gpio25, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(26, gpio26, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(27, gpio27, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(28, gpio28, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct5, 5)), > - OXNAS_PINCTRL_GROUP(29, gpio29, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct5, 5)), > - OXNAS_PINCTRL_GROUP(30, gpio30, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct5, 5)), > - OXNAS_PINCTRL_GROUP(31, gpio31, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct5, 5)), > - OXNAS_PINCTRL_GROUP(32, gpio32, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(33, gpio33, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(34, gpio34, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(35, gpio35, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(36, gpio36, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(37, gpio37, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(38, gpio38, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(39, gpio39, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(40, gpio40, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(41, gpio41, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(42, gpio42, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(43, gpio43, > - OXNAS_PINCTRL_FUNCTION(gpio, 0), > - OXNAS_PINCTRL_FUNCTION(fct4, 4)), > - OXNAS_PINCTRL_GROUP(44, gpio44, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(45, gpio45, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(46, gpio46, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(47, gpio47, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(48, gpio48, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > - OXNAS_PINCTRL_GROUP(49, gpio49, > - OXNAS_PINCTRL_FUNCTION(gpio, 0)), > -}; > - > -static inline struct oxnas_gpio_bank *pctl_to_bank(struct oxnas_pinctrl *pctl, > - unsigned int pin) > -{ > - return &pctl->gpio_banks[pin / PINS_PER_BANK]; > -} > - > -static int oxnas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - return pctl->ngroups; > -} > - > -static const char *oxnas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, > - unsigned int group) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - return pctl->groups[group].name; > -} > - > -static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, > - unsigned int group, > - const unsigned int **pins, > - unsigned int *num_pins) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - *pins = &pctl->groups[group].pin; > - *num_pins = 1; > - > - return 0; > -} > - > -static const struct pinctrl_ops oxnas_pinctrl_ops = { > - .get_groups_count = oxnas_pinctrl_get_groups_count, > - .get_group_name = oxnas_pinctrl_get_group_name, > - .get_group_pins = oxnas_pinctrl_get_group_pins, > - .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, > - .dt_free_map = pinctrl_utils_free_map, > -}; > - > -static int oxnas_pinmux_get_functions_count(struct pinctrl_dev *pctldev) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - return pctl->nfunctions; > -} > - > -static const char * > -oxnas_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned int func) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - return pctl->functions[func].name; > -} > - > -static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev, > - unsigned int func, > - const char * const **groups, > - unsigned int * const num_groups) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - > - *groups = pctl->functions[func].groups; > - *num_groups = pctl->functions[func].ngroups; > - > - return 0; > -} > - > -static int oxnas_ox810se_pinmux_enable(struct pinctrl_dev *pctldev, > - unsigned int func, unsigned int group) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - const struct oxnas_pin_group *pg = &pctl->groups[group]; > - const struct oxnas_function *pf = &pctl->functions[func]; > - const char *fname = pf->name; > - struct oxnas_desc_function *functions = pg->functions; > - u32 mask = BIT(pg->pin); > - > - while (functions->name) { > - if (!strcmp(functions->name, fname)) { > - dev_dbg(pctl->dev, > - "setting function %s bank %d pin %d fct %d mask %x\n", > - fname, pg->bank, pg->pin, > - functions->fct, mask); > - > - regmap_write_bits(pctl->regmap, > - (pg->bank ? > - PINMUX_810_PRIMARY_SEL1 : > - PINMUX_810_PRIMARY_SEL0), > - mask, > - (functions->fct == 1 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - (pg->bank ? > - PINMUX_810_SECONDARY_SEL1 : > - PINMUX_810_SECONDARY_SEL0), > - mask, > - (functions->fct == 2 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - (pg->bank ? > - PINMUX_810_TERTIARY_SEL1 : > - PINMUX_810_TERTIARY_SEL0), > - mask, > - (functions->fct == 3 ? > - mask : 0)); > - > - return 0; > - } > - > - functions++; > - } > - > - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); > - > - return -EINVAL; > -} > - > -static int oxnas_ox820_pinmux_enable(struct pinctrl_dev *pctldev, > - unsigned int func, unsigned int group) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - const struct oxnas_pin_group *pg = &pctl->groups[group]; > - const struct oxnas_function *pf = &pctl->functions[func]; > - const char *fname = pf->name; > - struct oxnas_desc_function *functions = pg->functions; > - unsigned int offset = (pg->bank ? PINMUX_820_BANK_OFFSET : 0); > - u32 mask = BIT(pg->pin); > - > - while (functions->name) { > - if (!strcmp(functions->name, fname)) { > - dev_dbg(pctl->dev, > - "setting function %s bank %d pin %d fct %d mask %x\n", > - fname, pg->bank, pg->pin, > - functions->fct, mask); > - > - regmap_write_bits(pctl->regmap, > - offset + PINMUX_820_SECONDARY_SEL, > - mask, > - (functions->fct == 1 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - offset + PINMUX_820_TERTIARY_SEL, > - mask, > - (functions->fct == 2 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - offset + PINMUX_820_QUATERNARY_SEL, > - mask, > - (functions->fct == 3 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - offset + PINMUX_820_DEBUG_SEL, > - mask, > - (functions->fct == 4 ? > - mask : 0)); > - regmap_write_bits(pctl->regmap, > - offset + PINMUX_820_ALTERNATIVE_SEL, > - mask, > - (functions->fct == 5 ? > - mask : 0)); > - > - return 0; > - } > - > - functions++; > - } > - > - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); > - > - return -EINVAL; > -} > - > -static int oxnas_ox810se_gpio_request_enable(struct pinctrl_dev *pctldev, > - struct pinctrl_gpio_range *range, > - unsigned int offset) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); > - u32 mask = BIT(offset - bank->gpio_chip.base); > - > - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", > - offset, bank->gpio_chip.base, bank->id, mask); > - > - regmap_write_bits(pctl->regmap, > - (bank->id ? > - PINMUX_810_PRIMARY_SEL1 : > - PINMUX_810_PRIMARY_SEL0), > - mask, 0); > - regmap_write_bits(pctl->regmap, > - (bank->id ? > - PINMUX_810_SECONDARY_SEL1 : > - PINMUX_810_SECONDARY_SEL0), > - mask, 0); > - regmap_write_bits(pctl->regmap, > - (bank->id ? > - PINMUX_810_TERTIARY_SEL1 : > - PINMUX_810_TERTIARY_SEL0), > - mask, 0); > - > - return 0; > -} > - > -static int oxnas_ox820_gpio_request_enable(struct pinctrl_dev *pctldev, > - struct pinctrl_gpio_range *range, > - unsigned int offset) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); > - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); > - u32 mask = BIT(offset - bank->gpio_chip.base); > - > - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", > - offset, bank->gpio_chip.base, bank->id, mask); > - > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_SECONDARY_SEL, > - mask, 0); > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_TERTIARY_SEL, > - mask, 0); > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_QUATERNARY_SEL, > - mask, 0); > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_DEBUG_SEL, > - mask, 0); > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_ALTERNATIVE_SEL, > - mask, 0); > - > - return 0; > -} > - > -static int oxnas_gpio_get_direction(struct gpio_chip *chip, > - unsigned int offset) > -{ > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(offset); > - > - if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask) > - return GPIO_LINE_DIRECTION_OUT; > - > - return GPIO_LINE_DIRECTION_IN; > -} > - > -static int oxnas_gpio_direction_input(struct gpio_chip *chip, > - unsigned int offset) > -{ > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(offset); > - > - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_CLEAR); > - > - return 0; > -} > - > -static int oxnas_gpio_get(struct gpio_chip *chip, unsigned int offset) > -{ > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(offset); > - > - return (readl_relaxed(bank->reg_base + INPUT_VALUE) & mask) != 0; > -} > - > -static void oxnas_gpio_set(struct gpio_chip *chip, unsigned int offset, > - int value) > -{ > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(offset); > - > - if (value) > - writel_relaxed(mask, bank->reg_base + OUTPUT_SET); > - else > - writel_relaxed(mask, bank->reg_base + OUTPUT_CLEAR); > -} > - > -static int oxnas_gpio_direction_output(struct gpio_chip *chip, > - unsigned int offset, int value) > -{ > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(offset); > - > - oxnas_gpio_set(chip, offset, value); > - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_SET); > - > - return 0; > -} > - > -static int oxnas_gpio_set_direction(struct pinctrl_dev *pctldev, > - struct pinctrl_gpio_range *range, > - unsigned int offset, bool input) > -{ > - struct gpio_chip *chip = range->gc; > - > - if (input) > - oxnas_gpio_direction_input(chip, offset); > - else > - oxnas_gpio_direction_output(chip, offset, 0); > - > - return 0; > -} > - > -static const struct pinmux_ops oxnas_ox810se_pinmux_ops = { > - .get_functions_count = oxnas_pinmux_get_functions_count, > - .get_function_name = oxnas_pinmux_get_function_name, > - .get_function_groups = oxnas_pinmux_get_function_groups, > - .set_mux = oxnas_ox810se_pinmux_enable, > - .gpio_request_enable = oxnas_ox810se_gpio_request_enable, > - .gpio_set_direction = oxnas_gpio_set_direction, > -}; > - > -static const struct pinmux_ops oxnas_ox820_pinmux_ops = { > - .get_functions_count = oxnas_pinmux_get_functions_count, > - .get_function_name = oxnas_pinmux_get_function_name, > - .get_function_groups = oxnas_pinmux_get_function_groups, > - .set_mux = oxnas_ox820_pinmux_enable, > - .gpio_request_enable = oxnas_ox820_gpio_request_enable, > - .gpio_set_direction = oxnas_gpio_set_direction, > -}; > - > -static int oxnas_ox810se_pinconf_get(struct pinctrl_dev *pctldev, > - unsigned int pin, unsigned long *config) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); > - unsigned int param = pinconf_to_config_param(*config); > - u32 mask = BIT(pin - bank->gpio_chip.base); > - int ret; > - u32 arg; > - > - switch (param) { > - case PIN_CONFIG_BIAS_PULL_UP: > - ret = regmap_read(pctl->regmap, > - (bank->id ? > - PINMUX_810_PULLUP_CTRL1 : > - PINMUX_810_PULLUP_CTRL0), > - &arg); > - if (ret) > - return ret; > - > - arg = !!(arg & mask); > - break; > - default: > - return -ENOTSUPP; > - } > - > - *config = pinconf_to_config_packed(param, arg); > - > - return 0; > -} > - > -static int oxnas_ox820_pinconf_get(struct pinctrl_dev *pctldev, > - unsigned int pin, unsigned long *config) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); > - unsigned int param = pinconf_to_config_param(*config); > - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); > - u32 mask = BIT(pin - bank->gpio_chip.base); > - int ret; > - u32 arg; > - > - switch (param) { > - case PIN_CONFIG_BIAS_PULL_UP: > - ret = regmap_read(pctl->regmap, > - bank_offset + PINMUX_820_PULLUP_CTRL, > - &arg); > - if (ret) > - return ret; > - > - arg = !!(arg & mask); > - break; > - default: > - return -ENOTSUPP; > - } > - > - *config = pinconf_to_config_packed(param, arg); > - > - return 0; > -} > - > -static int oxnas_ox810se_pinconf_set(struct pinctrl_dev *pctldev, > - unsigned int pin, unsigned long *configs, > - unsigned int num_configs) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); > - unsigned int param; > - unsigned int i; > - u32 offset = pin - bank->gpio_chip.base; > - u32 mask = BIT(offset); > - > - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", > - pin, bank->gpio_chip.base, mask); > - > - for (i = 0; i < num_configs; i++) { > - param = pinconf_to_config_param(configs[i]); > - > - switch (param) { > - case PIN_CONFIG_BIAS_PULL_UP: > - dev_dbg(pctl->dev, " pullup\n"); > - regmap_write_bits(pctl->regmap, > - (bank->id ? > - PINMUX_810_PULLUP_CTRL1 : > - PINMUX_810_PULLUP_CTRL0), > - mask, mask); > - break; > - default: > - dev_err(pctl->dev, "Property %u not supported\n", > - param); > - return -ENOTSUPP; > - } > - } > - > - return 0; > -} > - > -static int oxnas_ox820_pinconf_set(struct pinctrl_dev *pctldev, > - unsigned int pin, unsigned long *configs, > - unsigned int num_configs) > -{ > - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); > - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); > - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); > - unsigned int param; > - unsigned int i; > - u32 offset = pin - bank->gpio_chip.base; > - u32 mask = BIT(offset); > - > - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", > - pin, bank->gpio_chip.base, mask); > - > - for (i = 0; i < num_configs; i++) { > - param = pinconf_to_config_param(configs[i]); > - > - switch (param) { > - case PIN_CONFIG_BIAS_PULL_UP: > - dev_dbg(pctl->dev, " pullup\n"); > - regmap_write_bits(pctl->regmap, > - bank_offset + PINMUX_820_PULLUP_CTRL, > - mask, mask); > - break; > - default: > - dev_err(pctl->dev, "Property %u not supported\n", > - param); > - return -ENOTSUPP; > - } > - } > - > - return 0; > -} > - > -static const struct pinconf_ops oxnas_ox810se_pinconf_ops = { > - .pin_config_get = oxnas_ox810se_pinconf_get, > - .pin_config_set = oxnas_ox810se_pinconf_set, > - .is_generic = true, > -}; > - > -static const struct pinconf_ops oxnas_ox820_pinconf_ops = { > - .pin_config_get = oxnas_ox820_pinconf_get, > - .pin_config_set = oxnas_ox820_pinconf_set, > - .is_generic = true, > -}; > - > -static void oxnas_gpio_irq_ack(struct irq_data *data) > -{ > - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - u32 mask = BIT(data->hwirq); > - > - writel(mask, bank->reg_base + IRQ_PENDING); > -} > - > -static void oxnas_gpio_irq_mask(struct irq_data *data) > -{ > - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - unsigned int type = irqd_get_trigger_type(data); > - u32 mask = BIT(data->hwirq); > - > - if (type & IRQ_TYPE_EDGE_RISING) > - writel(readl(bank->reg_base + RE_IRQ_ENABLE) & ~mask, > - bank->reg_base + RE_IRQ_ENABLE); > - > - if (type & IRQ_TYPE_EDGE_FALLING) > - writel(readl(bank->reg_base + FE_IRQ_ENABLE) & ~mask, > - bank->reg_base + FE_IRQ_ENABLE); > -} > - > -static void oxnas_gpio_irq_unmask(struct irq_data *data) > -{ > - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); > - unsigned int type = irqd_get_trigger_type(data); > - u32 mask = BIT(data->hwirq); > - > - if (type & IRQ_TYPE_EDGE_RISING) > - writel(readl(bank->reg_base + RE_IRQ_ENABLE) | mask, > - bank->reg_base + RE_IRQ_ENABLE); > - > - if (type & IRQ_TYPE_EDGE_FALLING) > - writel(readl(bank->reg_base + FE_IRQ_ENABLE) | mask, > - bank->reg_base + FE_IRQ_ENABLE); > -} > - > -static unsigned int oxnas_gpio_irq_startup(struct irq_data *data) > -{ > - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); > - > - oxnas_gpio_direction_input(chip, data->hwirq); > - oxnas_gpio_irq_unmask(data); > - > - return 0; > -} > - > -static int oxnas_gpio_irq_set_type(struct irq_data *data, unsigned int type) > -{ > - if ((type & (IRQ_TYPE_EDGE_RISING|IRQ_TYPE_EDGE_FALLING)) == 0) > - return -EINVAL; > - > - irq_set_handler_locked(data, handle_edge_irq); > - > - return 0; > -} > - > -static void oxnas_gpio_irq_handler(struct irq_desc *desc) > -{ > - struct gpio_chip *gc = irq_desc_get_handler_data(desc); > - struct oxnas_gpio_bank *bank = gpiochip_get_data(gc); > - struct irq_chip *chip = irq_desc_get_chip(desc); > - unsigned long stat; > - unsigned int pin; > - > - chained_irq_enter(chip, desc); > - > - stat = readl(bank->reg_base + IRQ_PENDING); > - > - for_each_set_bit(pin, &stat, BITS_PER_LONG) > - generic_handle_domain_irq(gc->irq.domain, pin); > - > - chained_irq_exit(chip, desc); > -} > - > -#define GPIO_BANK(_bank) \ > - { \ > - .gpio_chip = { \ > - .label = "GPIO" #_bank, \ > - .request = gpiochip_generic_request, \ > - .free = gpiochip_generic_free, \ > - .get_direction = oxnas_gpio_get_direction, \ > - .direction_input = oxnas_gpio_direction_input, \ > - .direction_output = oxnas_gpio_direction_output, \ > - .get = oxnas_gpio_get, \ > - .set = oxnas_gpio_set, \ > - .ngpio = PINS_PER_BANK, \ > - .base = GPIO_BANK_START(_bank), \ > - .owner = THIS_MODULE, \ > - .can_sleep = 0, \ > - }, \ > - .irq_chip = { \ > - .name = "GPIO" #_bank, \ > - .irq_startup = oxnas_gpio_irq_startup, \ > - .irq_ack = oxnas_gpio_irq_ack, \ > - .irq_mask = oxnas_gpio_irq_mask, \ > - .irq_unmask = oxnas_gpio_irq_unmask, \ > - .irq_set_type = oxnas_gpio_irq_set_type, \ > - }, \ > - } > - > -static struct oxnas_gpio_bank oxnas_gpio_banks[] = { > - GPIO_BANK(0), > - GPIO_BANK(1), > -}; > - > -static struct oxnas_pinctrl ox810se_pinctrl = { > - .functions = oxnas_ox810se_functions, > - .nfunctions = ARRAY_SIZE(oxnas_ox810se_functions), > - .groups = oxnas_ox810se_groups, > - .ngroups = ARRAY_SIZE(oxnas_ox810se_groups), > - .gpio_banks = oxnas_gpio_banks, > - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), > -}; > - > -static struct pinctrl_desc oxnas_ox810se_pinctrl_desc = { > - .name = "oxnas-pinctrl", > - .pins = oxnas_ox810se_pins, > - .npins = ARRAY_SIZE(oxnas_ox810se_pins), > - .pctlops = &oxnas_pinctrl_ops, > - .pmxops = &oxnas_ox810se_pinmux_ops, > - .confops = &oxnas_ox810se_pinconf_ops, > - .owner = THIS_MODULE, > -}; > - > -static struct oxnas_pinctrl ox820_pinctrl = { > - .functions = oxnas_ox820_functions, > - .nfunctions = ARRAY_SIZE(oxnas_ox820_functions), > - .groups = oxnas_ox820_groups, > - .ngroups = ARRAY_SIZE(oxnas_ox820_groups), > - .gpio_banks = oxnas_gpio_banks, > - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), > -}; > - > -static struct pinctrl_desc oxnas_ox820_pinctrl_desc = { > - .name = "oxnas-pinctrl", > - .pins = oxnas_ox820_pins, > - .npins = ARRAY_SIZE(oxnas_ox820_pins), > - .pctlops = &oxnas_pinctrl_ops, > - .pmxops = &oxnas_ox820_pinmux_ops, > - .confops = &oxnas_ox820_pinconf_ops, > - .owner = THIS_MODULE, > -}; > - > -static struct oxnas_pinctrl_data oxnas_ox810se_pinctrl_data = { > - .desc = &oxnas_ox810se_pinctrl_desc, > - .pctl = &ox810se_pinctrl, > -}; > - > -static struct oxnas_pinctrl_data oxnas_ox820_pinctrl_data = { > - .desc = &oxnas_ox820_pinctrl_desc, > - .pctl = &ox820_pinctrl, > -}; > - > -static const struct of_device_id oxnas_pinctrl_of_match[] = { > - { .compatible = "oxsemi,ox810se-pinctrl", > - .data = &oxnas_ox810se_pinctrl_data > - }, > - { .compatible = "oxsemi,ox820-pinctrl", > - .data = &oxnas_ox820_pinctrl_data, > - }, > - { }, > -}; > - > -static int oxnas_pinctrl_probe(struct platform_device *pdev) > -{ > - const struct of_device_id *id; > - const struct oxnas_pinctrl_data *data; > - struct oxnas_pinctrl *pctl; > - > - id = of_match_node(oxnas_pinctrl_of_match, pdev->dev.of_node); > - if (!id) > - return -ENODEV; > - > - data = id->data; > - if (!data || !data->pctl || !data->desc) > - return -EINVAL; > - > - pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); > - if (!pctl) > - return -ENOMEM; > - pctl->dev = &pdev->dev; > - dev_set_drvdata(&pdev->dev, pctl); > - > - pctl->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, > - "oxsemi,sys-ctrl"); > - if (IS_ERR(pctl->regmap)) { > - dev_err(&pdev->dev, "failed to get sys ctrl regmap\n"); > - return -ENODEV; > - } > - > - pctl->functions = data->pctl->functions; > - pctl->nfunctions = data->pctl->nfunctions; > - pctl->groups = data->pctl->groups; > - pctl->ngroups = data->pctl->ngroups; > - pctl->gpio_banks = data->pctl->gpio_banks; > - pctl->nbanks = data->pctl->nbanks; > - > - pctl->pctldev = pinctrl_register(data->desc, &pdev->dev, pctl); > - if (IS_ERR(pctl->pctldev)) { > - dev_err(&pdev->dev, "Failed to register pinctrl device\n"); > - return PTR_ERR(pctl->pctldev); > - } > - > - return 0; > -} > - > -static int oxnas_gpio_probe(struct platform_device *pdev) > -{ > - struct device_node *np = pdev->dev.of_node; > - struct of_phandle_args pinspec; > - struct oxnas_gpio_bank *bank; > - unsigned int id, ngpios; > - int irq, ret; > - struct gpio_irq_chip *girq; > - > - if (of_parse_phandle_with_fixed_args(np, "gpio-ranges", > - 3, 0, &pinspec)) { > - dev_err(&pdev->dev, "gpio-ranges property not found\n"); > - return -EINVAL; > - } > - > - id = pinspec.args[1] / PINS_PER_BANK; > - ngpios = pinspec.args[2]; > - > - if (id >= ARRAY_SIZE(oxnas_gpio_banks)) { > - dev_err(&pdev->dev, "invalid gpio-ranges base arg\n"); > - return -EINVAL; > - } > - > - if (ngpios > PINS_PER_BANK) { > - dev_err(&pdev->dev, "invalid gpio-ranges count arg\n"); > - return -EINVAL; > - } > - > - bank = &oxnas_gpio_banks[id]; > - > - bank->reg_base = devm_platform_ioremap_resource(pdev, 0); > - if (IS_ERR(bank->reg_base)) > - return PTR_ERR(bank->reg_base); > - > - irq = platform_get_irq(pdev, 0); > - if (irq < 0) > - return irq; > - > - bank->id = id; > - bank->gpio_chip.parent = &pdev->dev; > - bank->gpio_chip.ngpio = ngpios; > - girq = &bank->gpio_chip.irq; > - girq->chip = &bank->irq_chip; > - girq->parent_handler = oxnas_gpio_irq_handler; > - girq->num_parents = 1; > - girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), > - GFP_KERNEL); > - if (!girq->parents) > - return -ENOMEM; > - girq->parents[0] = irq; > - girq->default_type = IRQ_TYPE_NONE; > - girq->handler = handle_level_irq; > - > - ret = gpiochip_add_data(&bank->gpio_chip, bank); > - if (ret < 0) { > - dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", > - id, ret); > - return ret; > - } > - > - return 0; > -} > - > -static struct platform_driver oxnas_pinctrl_driver = { > - .driver = { > - .name = "oxnas-pinctrl", > - .of_match_table = oxnas_pinctrl_of_match, > - .suppress_bind_attrs = true, > - }, > - .probe = oxnas_pinctrl_probe, > -}; > - > -static const struct of_device_id oxnas_gpio_of_match[] = { > - { .compatible = "oxsemi,ox810se-gpio", }, > - { .compatible = "oxsemi,ox820-gpio", }, > - { }, > -}; > - > -static struct platform_driver oxnas_gpio_driver = { > - .driver = { > - .name = "oxnas-gpio", > - .of_match_table = oxnas_gpio_of_match, > - .suppress_bind_attrs = true, > - }, > - .probe = oxnas_gpio_probe, > -}; > - > -static int __init oxnas_gpio_register(void) > -{ > - return platform_driver_register(&oxnas_gpio_driver); > -} > -arch_initcall(oxnas_gpio_register); > - > -static int __init oxnas_pinctrl_register(void) > -{ > - return platform_driver_register(&oxnas_pinctrl_driver); > -} > -arch_initcall(oxnas_pinctrl_register); >
On Mon, Jul 31, 2023 at 4:44 PM Neil Armstrong <neil.armstrong@linaro.org> wrote: > On 30/06/2023 18:58, Neil Armstrong wrote: > > Due to lack of maintenance and stall of development for a few years now, > > and since no new features will ever be added upstream, remove support > > for OX810 and OX820 pinctrl & gpio. > > Do you plan to take patches 9, 10 & 11 or should I funnel them via a final SoC PR ? I tried to apply them to the pinctrl tree but that fails ... Could you rebase patches 9,10,11 onto my "devel" branch and send separately? Then I will apply them right away. Yours, Linus Walleij
On 07/08/2023 15:44, Linus Walleij wrote: > On Mon, Jul 31, 2023 at 4:44 PM Neil Armstrong > <neil.armstrong@linaro.org> wrote: >> On 30/06/2023 18:58, Neil Armstrong wrote: >>> Due to lack of maintenance and stall of development for a few years now, >>> and since no new features will ever be added upstream, remove support >>> for OX810 and OX820 pinctrl & gpio. >> >> Do you plan to take patches 9, 10 & 11 or should I funnel them via a final SoC PR ? > > I tried to apply them to the pinctrl tree but that fails ... > Could you rebase patches 9,10,11 onto my "devel" branch > and send separately? Then I will apply them right away. Sure, sent them right now! Thx, Neil > > Yours, > Linus Walleij
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 57d57af1f624..7dfb7190580e 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -355,17 +355,6 @@ config PINCTRL_OCELOT If conpiled as a module, the module name will be pinctrl-ocelot. -config PINCTRL_OXNAS - bool - depends on OF - select PINMUX - select PINCONF - select GENERIC_PINCONF - select GPIOLIB - select OF_GPIO - select GPIOLIB_IRQCHIP - select MFD_SYSCON - config PINCTRL_PALMAS tristate "Pinctrl driver for the PALMAS Series MFD devices" depends on OF && MFD_PALMAS diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 482b391b5deb..dd6cda270294 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -38,7 +38,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o obj-$(CONFIG_PINCTRL_MLXBF3) += pinctrl-mlxbf3.o obj-$(CONFIG_PINCTRL_OCELOT) += pinctrl-ocelot.o -obj-$(CONFIG_PINCTRL_OXNAS) += pinctrl-oxnas.o obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o obj-$(CONFIG_PINCTRL_PIC32) += pinctrl-pic32.o obj-$(CONFIG_PINCTRL_PISTACHIO) += pinctrl-pistachio.o diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c deleted file mode 100644 index fb10a8473ebe..000000000000 --- a/drivers/pinctrl/pinctrl-oxnas.c +++ /dev/null @@ -1,1292 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS SoC Family pinctrl driver - * - * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> - * - * Based on pinctrl-pic32.c - * Joshua Henderson, <joshua.henderson@microchip.com> - * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. - */ -#include <linux/gpio/driver.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/pinctrl/pinconf.h> -#include <linux/pinctrl/pinconf-generic.h> -#include <linux/pinctrl/pinctrl.h> -#include <linux/pinctrl/pinmux.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/regmap.h> -#include <linux/mfd/syscon.h> - -#include "pinctrl-utils.h" - -#define PINS_PER_BANK 32 - -#define GPIO_BANK_START(bank) ((bank) * PINS_PER_BANK) - -/* OX810 Regmap Offsets */ -#define PINMUX_810_PRIMARY_SEL0 0x0c -#define PINMUX_810_SECONDARY_SEL0 0x14 -#define PINMUX_810_TERTIARY_SEL0 0x8c -#define PINMUX_810_PRIMARY_SEL1 0x10 -#define PINMUX_810_SECONDARY_SEL1 0x18 -#define PINMUX_810_TERTIARY_SEL1 0x90 -#define PINMUX_810_PULLUP_CTRL0 0xac -#define PINMUX_810_PULLUP_CTRL1 0xb0 - -/* OX820 Regmap Offsets */ -#define PINMUX_820_BANK_OFFSET 0x100000 -#define PINMUX_820_SECONDARY_SEL 0x14 -#define PINMUX_820_TERTIARY_SEL 0x8c -#define PINMUX_820_QUATERNARY_SEL 0x94 -#define PINMUX_820_DEBUG_SEL 0x9c -#define PINMUX_820_ALTERNATIVE_SEL 0xa4 -#define PINMUX_820_PULLUP_CTRL 0xac - -/* GPIO Registers */ -#define INPUT_VALUE 0x00 -#define OUTPUT_EN 0x04 -#define IRQ_PENDING 0x0c -#define OUTPUT_SET 0x14 -#define OUTPUT_CLEAR 0x18 -#define OUTPUT_EN_SET 0x1c -#define OUTPUT_EN_CLEAR 0x20 -#define RE_IRQ_ENABLE 0x28 -#define FE_IRQ_ENABLE 0x2c - -struct oxnas_function { - const char *name; - const char * const *groups; - unsigned int ngroups; -}; - -struct oxnas_pin_group { - const char *name; - unsigned int pin; - unsigned int bank; - struct oxnas_desc_function *functions; -}; - -struct oxnas_desc_function { - const char *name; - unsigned int fct; -}; - -struct oxnas_gpio_bank { - void __iomem *reg_base; - struct gpio_chip gpio_chip; - struct irq_chip irq_chip; - unsigned int id; -}; - -struct oxnas_pinctrl { - struct regmap *regmap; - struct device *dev; - struct pinctrl_dev *pctldev; - const struct oxnas_function *functions; - unsigned int nfunctions; - const struct oxnas_pin_group *groups; - unsigned int ngroups; - struct oxnas_gpio_bank *gpio_banks; - unsigned int nbanks; -}; - -struct oxnas_pinctrl_data { - struct pinctrl_desc *desc; - struct oxnas_pinctrl *pctl; -}; - -static const struct pinctrl_pin_desc oxnas_ox810se_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), -}; - -static const struct pinctrl_pin_desc oxnas_ox820_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), - PINCTRL_PIN(35, "gpio35"), - PINCTRL_PIN(36, "gpio36"), - PINCTRL_PIN(37, "gpio37"), - PINCTRL_PIN(38, "gpio38"), - PINCTRL_PIN(39, "gpio39"), - PINCTRL_PIN(40, "gpio40"), - PINCTRL_PIN(41, "gpio41"), - PINCTRL_PIN(42, "gpio42"), - PINCTRL_PIN(43, "gpio43"), - PINCTRL_PIN(44, "gpio44"), - PINCTRL_PIN(45, "gpio45"), - PINCTRL_PIN(46, "gpio46"), - PINCTRL_PIN(47, "gpio47"), - PINCTRL_PIN(48, "gpio48"), - PINCTRL_PIN(49, "gpio49"), -}; - -static const char * const oxnas_ox810se_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34" -}; - -static const char * const oxnas_ox810se_fct3_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", - "gpio20", - "gpio22", "gpio23", "gpio24", "gpio25", - "gpio26", "gpio27", "gpio28", "gpio29", - "gpio30", "gpio31", "gpio32", "gpio33", - "gpio34" -}; - -static const char * const oxnas_ox820_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34", "gpio35", - "gpio36", "gpio37", "gpio38", "gpio39", - "gpio40", "gpio41", "gpio42", "gpio43", - "gpio44", "gpio45", "gpio46", "gpio47", - "gpio48", "gpio49" -}; - -static const char * const oxnas_ox820_fct1_group[] = { - "gpio3", "gpio4", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24" -}; - -static const char * const oxnas_ox820_fct4_group[] = { - "gpio5", "gpio6", "gpio7", "gpio8", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio40", "gpio41", "gpio42", "gpio43" -}; - -static const char * const oxnas_ox820_fct5_group[] = { - "gpio28", "gpio29", "gpio30", "gpio31" -}; - -#define FUNCTION(_name, _gr) \ - { \ - .name = #_name, \ - .groups = oxnas_##_gr##_group, \ - .ngroups = ARRAY_SIZE(oxnas_##_gr##_group), \ - } - -static const struct oxnas_function oxnas_ox810se_functions[] = { - FUNCTION(gpio, ox810se_fct0), - FUNCTION(fct3, ox810se_fct3), -}; - -static const struct oxnas_function oxnas_ox820_functions[] = { - FUNCTION(gpio, ox820_fct0), - FUNCTION(fct1, ox820_fct1), - FUNCTION(fct4, ox820_fct4), - FUNCTION(fct5, ox820_fct5), -}; - -#define OXNAS_PINCTRL_GROUP(_pin, _name, ...) \ - { \ - .name = #_name, \ - .pin = _pin, \ - .bank = _pin / PINS_PER_BANK, \ - .functions = (struct oxnas_desc_function[]){ \ - __VA_ARGS__, { } }, \ - } - -#define OXNAS_PINCTRL_FUNCTION(_name, _fct) \ - { \ - .name = #_name, \ - .fct = _fct, \ - } - -static const struct oxnas_pin_group oxnas_ox810se_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), -}; - -static const struct oxnas_pin_group oxnas_ox820_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1), - OXNAS_PINCTRL_FUNCTION(fct4, 5)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(35, gpio35, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(36, gpio36, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(37, gpio37, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(38, gpio38, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(39, gpio39, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(40, gpio40, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(41, gpio41, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(42, gpio42, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(43, gpio43, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(44, gpio44, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(45, gpio45, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(46, gpio46, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(47, gpio47, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(48, gpio48, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(49, gpio49, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), -}; - -static inline struct oxnas_gpio_bank *pctl_to_bank(struct oxnas_pinctrl *pctl, - unsigned int pin) -{ - return &pctl->gpio_banks[pin / PINS_PER_BANK]; -} - -static int oxnas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->ngroups; -} - -static const char *oxnas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, - unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->groups[group].name; -} - -static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, - unsigned int group, - const unsigned int **pins, - unsigned int *num_pins) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *pins = &pctl->groups[group].pin; - *num_pins = 1; - - return 0; -} - -static const struct pinctrl_ops oxnas_pinctrl_ops = { - .get_groups_count = oxnas_pinctrl_get_groups_count, - .get_group_name = oxnas_pinctrl_get_group_name, - .get_group_pins = oxnas_pinctrl_get_group_pins, - .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, - .dt_free_map = pinctrl_utils_free_map, -}; - -static int oxnas_pinmux_get_functions_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->nfunctions; -} - -static const char * -oxnas_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned int func) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->functions[func].name; -} - -static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev, - unsigned int func, - const char * const **groups, - unsigned int * const num_groups) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *groups = pctl->functions[func].groups; - *num_groups = pctl->functions[func].ngroups; - - return 0; -} - -static int oxnas_ox810se_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, - (functions->fct == 3 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox820_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - unsigned int offset = (pg->bank ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_SECONDARY_SEL, - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_TERTIARY_SEL, - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_QUATERNARY_SEL, - mask, - (functions->fct == 3 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_DEBUG_SEL, - mask, - (functions->fct == 4 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_ALTERNATIVE_SEL, - mask, - (functions->fct == 5 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox810se_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, 0); - - return 0; -} - -static int oxnas_ox820_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_SECONDARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_TERTIARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_QUATERNARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_DEBUG_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_ALTERNATIVE_SEL, - mask, 0); - - return 0; -} - -static int oxnas_gpio_get_direction(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask) - return GPIO_LINE_DIRECTION_OUT; - - return GPIO_LINE_DIRECTION_IN; -} - -static int oxnas_gpio_direction_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_CLEAR); - - return 0; -} - -static int oxnas_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - return (readl_relaxed(bank->reg_base + INPUT_VALUE) & mask) != 0; -} - -static void oxnas_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (value) - writel_relaxed(mask, bank->reg_base + OUTPUT_SET); - else - writel_relaxed(mask, bank->reg_base + OUTPUT_CLEAR); -} - -static int oxnas_gpio_direction_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - oxnas_gpio_set(chip, offset, value); - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_SET); - - return 0; -} - -static int oxnas_gpio_set_direction(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset, bool input) -{ - struct gpio_chip *chip = range->gc; - - if (input) - oxnas_gpio_direction_input(chip, offset); - else - oxnas_gpio_direction_output(chip, offset, 0); - - return 0; -} - -static const struct pinmux_ops oxnas_ox810se_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox810se_pinmux_enable, - .gpio_request_enable = oxnas_ox810se_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static const struct pinmux_ops oxnas_ox820_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox820_pinmux_enable, - .gpio_request_enable = oxnas_ox820_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static int oxnas_ox810se_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox820_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox810se_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static int oxnas_ox820_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static const struct pinconf_ops oxnas_ox810se_pinconf_ops = { - .pin_config_get = oxnas_ox810se_pinconf_get, - .pin_config_set = oxnas_ox810se_pinconf_set, - .is_generic = true, -}; - -static const struct pinconf_ops oxnas_ox820_pinconf_ops = { - .pin_config_get = oxnas_ox820_pinconf_get, - .pin_config_set = oxnas_ox820_pinconf_set, - .is_generic = true, -}; - -static void oxnas_gpio_irq_ack(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(data->hwirq); - - writel(mask, bank->reg_base + IRQ_PENDING); -} - -static void oxnas_gpio_irq_mask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) & ~mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) & ~mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static void oxnas_gpio_irq_unmask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) | mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) | mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static unsigned int oxnas_gpio_irq_startup(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - - oxnas_gpio_direction_input(chip, data->hwirq); - oxnas_gpio_irq_unmask(data); - - return 0; -} - -static int oxnas_gpio_irq_set_type(struct irq_data *data, unsigned int type) -{ - if ((type & (IRQ_TYPE_EDGE_RISING|IRQ_TYPE_EDGE_FALLING)) == 0) - return -EINVAL; - - irq_set_handler_locked(data, handle_edge_irq); - - return 0; -} - -static void oxnas_gpio_irq_handler(struct irq_desc *desc) -{ - struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct oxnas_gpio_bank *bank = gpiochip_get_data(gc); - struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned long stat; - unsigned int pin; - - chained_irq_enter(chip, desc); - - stat = readl(bank->reg_base + IRQ_PENDING); - - for_each_set_bit(pin, &stat, BITS_PER_LONG) - generic_handle_domain_irq(gc->irq.domain, pin); - - chained_irq_exit(chip, desc); -} - -#define GPIO_BANK(_bank) \ - { \ - .gpio_chip = { \ - .label = "GPIO" #_bank, \ - .request = gpiochip_generic_request, \ - .free = gpiochip_generic_free, \ - .get_direction = oxnas_gpio_get_direction, \ - .direction_input = oxnas_gpio_direction_input, \ - .direction_output = oxnas_gpio_direction_output, \ - .get = oxnas_gpio_get, \ - .set = oxnas_gpio_set, \ - .ngpio = PINS_PER_BANK, \ - .base = GPIO_BANK_START(_bank), \ - .owner = THIS_MODULE, \ - .can_sleep = 0, \ - }, \ - .irq_chip = { \ - .name = "GPIO" #_bank, \ - .irq_startup = oxnas_gpio_irq_startup, \ - .irq_ack = oxnas_gpio_irq_ack, \ - .irq_mask = oxnas_gpio_irq_mask, \ - .irq_unmask = oxnas_gpio_irq_unmask, \ - .irq_set_type = oxnas_gpio_irq_set_type, \ - }, \ - } - -static struct oxnas_gpio_bank oxnas_gpio_banks[] = { - GPIO_BANK(0), - GPIO_BANK(1), -}; - -static struct oxnas_pinctrl ox810se_pinctrl = { - .functions = oxnas_ox810se_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox810se_functions), - .groups = oxnas_ox810se_groups, - .ngroups = ARRAY_SIZE(oxnas_ox810se_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox810se_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox810se_pins, - .npins = ARRAY_SIZE(oxnas_ox810se_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox810se_pinmux_ops, - .confops = &oxnas_ox810se_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl ox820_pinctrl = { - .functions = oxnas_ox820_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox820_functions), - .groups = oxnas_ox820_groups, - .ngroups = ARRAY_SIZE(oxnas_ox820_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox820_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox820_pins, - .npins = ARRAY_SIZE(oxnas_ox820_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox820_pinmux_ops, - .confops = &oxnas_ox820_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl_data oxnas_ox810se_pinctrl_data = { - .desc = &oxnas_ox810se_pinctrl_desc, - .pctl = &ox810se_pinctrl, -}; - -static struct oxnas_pinctrl_data oxnas_ox820_pinctrl_data = { - .desc = &oxnas_ox820_pinctrl_desc, - .pctl = &ox820_pinctrl, -}; - -static const struct of_device_id oxnas_pinctrl_of_match[] = { - { .compatible = "oxsemi,ox810se-pinctrl", - .data = &oxnas_ox810se_pinctrl_data - }, - { .compatible = "oxsemi,ox820-pinctrl", - .data = &oxnas_ox820_pinctrl_data, - }, - { }, -}; - -static int oxnas_pinctrl_probe(struct platform_device *pdev) -{ - const struct of_device_id *id; - const struct oxnas_pinctrl_data *data; - struct oxnas_pinctrl *pctl; - - id = of_match_node(oxnas_pinctrl_of_match, pdev->dev.of_node); - if (!id) - return -ENODEV; - - data = id->data; - if (!data || !data->pctl || !data->desc) - return -EINVAL; - - pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); - if (!pctl) - return -ENOMEM; - pctl->dev = &pdev->dev; - dev_set_drvdata(&pdev->dev, pctl); - - pctl->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "oxsemi,sys-ctrl"); - if (IS_ERR(pctl->regmap)) { - dev_err(&pdev->dev, "failed to get sys ctrl regmap\n"); - return -ENODEV; - } - - pctl->functions = data->pctl->functions; - pctl->nfunctions = data->pctl->nfunctions; - pctl->groups = data->pctl->groups; - pctl->ngroups = data->pctl->ngroups; - pctl->gpio_banks = data->pctl->gpio_banks; - pctl->nbanks = data->pctl->nbanks; - - pctl->pctldev = pinctrl_register(data->desc, &pdev->dev, pctl); - if (IS_ERR(pctl->pctldev)) { - dev_err(&pdev->dev, "Failed to register pinctrl device\n"); - return PTR_ERR(pctl->pctldev); - } - - return 0; -} - -static int oxnas_gpio_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct of_phandle_args pinspec; - struct oxnas_gpio_bank *bank; - unsigned int id, ngpios; - int irq, ret; - struct gpio_irq_chip *girq; - - if (of_parse_phandle_with_fixed_args(np, "gpio-ranges", - 3, 0, &pinspec)) { - dev_err(&pdev->dev, "gpio-ranges property not found\n"); - return -EINVAL; - } - - id = pinspec.args[1] / PINS_PER_BANK; - ngpios = pinspec.args[2]; - - if (id >= ARRAY_SIZE(oxnas_gpio_banks)) { - dev_err(&pdev->dev, "invalid gpio-ranges base arg\n"); - return -EINVAL; - } - - if (ngpios > PINS_PER_BANK) { - dev_err(&pdev->dev, "invalid gpio-ranges count arg\n"); - return -EINVAL; - } - - bank = &oxnas_gpio_banks[id]; - - bank->reg_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(bank->reg_base)) - return PTR_ERR(bank->reg_base); - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - bank->id = id; - bank->gpio_chip.parent = &pdev->dev; - bank->gpio_chip.ngpio = ngpios; - girq = &bank->gpio_chip.irq; - girq->chip = &bank->irq_chip; - girq->parent_handler = oxnas_gpio_irq_handler; - girq->num_parents = 1; - girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), - GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; - girq->parents[0] = irq; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_level_irq; - - ret = gpiochip_add_data(&bank->gpio_chip, bank); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", - id, ret); - return ret; - } - - return 0; -} - -static struct platform_driver oxnas_pinctrl_driver = { - .driver = { - .name = "oxnas-pinctrl", - .of_match_table = oxnas_pinctrl_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_pinctrl_probe, -}; - -static const struct of_device_id oxnas_gpio_of_match[] = { - { .compatible = "oxsemi,ox810se-gpio", }, - { .compatible = "oxsemi,ox820-gpio", }, - { }, -}; - -static struct platform_driver oxnas_gpio_driver = { - .driver = { - .name = "oxnas-gpio", - .of_match_table = oxnas_gpio_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_gpio_probe, -}; - -static int __init oxnas_gpio_register(void) -{ - return platform_driver_register(&oxnas_gpio_driver); -} -arch_initcall(oxnas_gpio_register); - -static int __init oxnas_pinctrl_register(void) -{ - return platform_driver_register(&oxnas_pinctrl_driver); -} -arch_initcall(oxnas_pinctrl_register);