| Message ID | 1646737394-4740-6-git-send-email-quic_srivasam@quicinc.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add pin control support for lpass sc7280 | expand |
On Tue 08 Mar 03:03 PST 2022, Srinivasa Rao Mandadapu wrote: > Extract the chip specific SM8250 data from the LPASS LPI pinctrl driver > to allow reusing the common code in the addition of subsequent > platforms. > > Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com> > Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> > Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> > Reported-by: kernel test robot <lkp@intel.com> I don't believe that lkp reported something that resulted in you writing this patch. > --- > drivers/pinctrl/qcom/Kconfig | 8 + > drivers/pinctrl/qcom/Makefile | 1 + > drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 233 +----------------------- > drivers/pinctrl/qcom/pinctrl-lpass-lpi.h | 85 +++++++++ > drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c | 165 +++++++++++++++++ > 5 files changed, 264 insertions(+), 228 deletions(-) > create mode 100644 drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > create mode 100644 drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > > diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig > index 31c4aa6..3c7b163 100644 > --- a/drivers/pinctrl/qcom/Kconfig > +++ b/drivers/pinctrl/qcom/Kconfig > @@ -329,6 +329,14 @@ config PINCTRL_SM8250 > Qualcomm Technologies Inc TLMM block found on the Qualcomm > Technologies Inc SM8250 platform. > > +config PINCTRL_SM8250_LPASS_LPI > + tristate "Qualcomm Technologies Inc SM8250 LPASS LPI pin controller driver" > + select PINCTRL_LPASS_LPI You shouldn't select user selectable options, so this should be "depends on PINCTRL_LPASS_LPI". That said, PINCTRL_LPASS_LPI doesn't actually do anything on its own, so it would would be nicer to make PINCTRL_LPASS_LPI not be user selectable and keep the select PINCTRL_LPASS_LPI here. (You would also need depends on GPIOLIB here though). With that I think this patch looks good. Regards, Bjorn > + help > + This is the pinctrl, pinmux, pinconf and gpiolib driver for the > + Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI > + (Low Power Island) found on the Qualcomm Technologies Inc SM8250 platform. > + > config PINCTRL_SM8350 > tristate "Qualcomm Technologies Inc SM8350 pin controller driver" > depends on PINCTRL_MSM > diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile > index 709882f..39650d6 100644 > --- a/drivers/pinctrl/qcom/Makefile > +++ b/drivers/pinctrl/qcom/Makefile > @@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_SM6350) += pinctrl-sm6350.o > obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o > obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o > obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o > +obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o > obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o > obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o > obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o > diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > index 54750ba..1ab572f 100644 > --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > @@ -4,91 +4,15 @@ > * Copyright (c) 2020 Linaro Ltd. > */ > > -#include <linux/bitops.h> > -#include <linux/bitfield.h> > #include <linux/clk.h> > #include <linux/gpio/driver.h> > -#include <linux/io.h> > #include <linux/module.h> > #include <linux/of_device.h> > -#include <linux/of.h> > #include <linux/pinctrl/pinconf-generic.h> > #include <linux/pinctrl/pinconf.h> > #include <linux/pinctrl/pinmux.h> > -#include <linux/platform_device.h> > -#include <linux/slab.h> > -#include <linux/types.h> > -#include "../core.h" > #include "../pinctrl-utils.h" > - > -#define LPI_SLEW_RATE_CTL_REG 0xa000 > -#define LPI_TLMM_REG_OFFSET 0x1000 > -#define LPI_SLEW_RATE_MAX 0x03 > -#define LPI_SLEW_BITS_SIZE 0x02 > -#define LPI_SLEW_RATE_MASK GENMASK(1, 0) > -#define LPI_GPIO_CFG_REG 0x00 > -#define LPI_GPIO_PULL_MASK GENMASK(1, 0) > -#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) > -#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) > -#define LPI_GPIO_OE_MASK BIT(9) > -#define LPI_GPIO_VALUE_REG 0x04 > -#define LPI_GPIO_VALUE_IN_MASK BIT(0) > -#define LPI_GPIO_VALUE_OUT_MASK BIT(1) > - > -#define LPI_GPIO_BIAS_DISABLE 0x0 > -#define LPI_GPIO_PULL_DOWN 0x1 > -#define LPI_GPIO_KEEPER 0x2 > -#define LPI_GPIO_PULL_UP 0x3 > -#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) > -#define LPI_NO_SLEW -1 > - > -#define LPI_FUNCTION(fname) \ > - [LPI_MUX_##fname] = { \ > - .name = #fname, \ > - .groups = fname##_groups, \ > - .ngroups = ARRAY_SIZE(fname##_groups), \ > - } > - > -#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ > - { \ > - .group.name = "gpio" #id, \ > - .group.pins = gpio##id##_pins, \ > - .pin = id, \ > - .slew_offset = soff, \ > - .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ > - .funcs = (int[]){ \ > - LPI_MUX_gpio, \ > - LPI_MUX_##f1, \ > - LPI_MUX_##f2, \ > - LPI_MUX_##f3, \ > - LPI_MUX_##f4, \ > - }, \ > - .nfuncs = 5, \ > - } > - > -struct lpi_pingroup { > - struct group_desc group; > - unsigned int pin; > - /* Bit offset in slew register for SoundWire pins only */ > - int slew_offset; > - unsigned int *funcs; > - unsigned int nfuncs; > -}; > - > -struct lpi_function { > - const char *name; > - const char * const *groups; > - unsigned int ngroups; > -}; > - > -struct lpi_pinctrl_variant_data { > - const struct pinctrl_pin_desc *pins; > - int npins; > - const struct lpi_pingroup *groups; > - int ngroups; > - const struct lpi_function *functions; > - int nfunctions; > -}; > +#include "pinctrl-lpass-lpi.h" > > #define MAX_LPI_NUM_CLKS 2 > > @@ -104,136 +28,6 @@ struct lpi_pinctrl { > const struct lpi_pinctrl_variant_data *data; > }; > > -/* sm8250 variant specific data */ > -static const struct pinctrl_pin_desc sm8250_lpi_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"), > -}; > - > -enum sm8250_lpi_functions { > - LPI_MUX_dmic1_clk, > - LPI_MUX_dmic1_data, > - LPI_MUX_dmic2_clk, > - LPI_MUX_dmic2_data, > - LPI_MUX_dmic3_clk, > - LPI_MUX_dmic3_data, > - LPI_MUX_i2s1_clk, > - LPI_MUX_i2s1_data, > - LPI_MUX_i2s1_ws, > - LPI_MUX_i2s2_clk, > - LPI_MUX_i2s2_data, > - LPI_MUX_i2s2_ws, > - LPI_MUX_qua_mi2s_data, > - LPI_MUX_qua_mi2s_sclk, > - LPI_MUX_qua_mi2s_ws, > - LPI_MUX_swr_rx_clk, > - LPI_MUX_swr_rx_data, > - LPI_MUX_swr_tx_clk, > - LPI_MUX_swr_tx_data, > - LPI_MUX_wsa_swr_clk, > - LPI_MUX_wsa_swr_data, > - LPI_MUX_gpio, > - LPI_MUX__, > -}; > - > -static int gpio0_pins[] = { 0 }; > -static int gpio1_pins[] = { 1 }; > -static int gpio2_pins[] = { 2 }; > -static int gpio3_pins[] = { 3 }; > -static int gpio4_pins[] = { 4 }; > -static int gpio5_pins[] = { 5 }; > -static int gpio6_pins[] = { 6 }; > -static int gpio7_pins[] = { 7 }; > -static int gpio8_pins[] = { 8 }; > -static int gpio9_pins[] = { 9 }; > -static int gpio10_pins[] = { 10 }; > -static int gpio11_pins[] = { 11 }; > -static int gpio12_pins[] = { 12 }; > -static int gpio13_pins[] = { 13 }; > -static const char * const swr_tx_clk_groups[] = { "gpio0" }; > -static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; > -static const char * const swr_rx_clk_groups[] = { "gpio3" }; > -static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; > -static const char * const dmic1_clk_groups[] = { "gpio6" }; > -static const char * const dmic1_data_groups[] = { "gpio7" }; > -static const char * const dmic2_clk_groups[] = { "gpio8" }; > -static const char * const dmic2_data_groups[] = { "gpio9" }; > -static const char * const i2s2_clk_groups[] = { "gpio10" }; > -static const char * const i2s2_ws_groups[] = { "gpio11" }; > -static const char * const dmic3_clk_groups[] = { "gpio12" }; > -static const char * const dmic3_data_groups[] = { "gpio13" }; > -static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; > -static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; > -static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; > -static const char * const i2s1_clk_groups[] = { "gpio6" }; > -static const char * const i2s1_ws_groups[] = { "gpio7" }; > -static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; > -static const char * const wsa_swr_clk_groups[] = { "gpio10" }; > -static const char * const wsa_swr_data_groups[] = { "gpio11" }; > -static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; > - > -static const struct lpi_pingroup sm8250_groups[] = { > - LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), > - LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), > - LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), > - LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), > - LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), > - LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), > - LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), > - LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), > - LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), > - LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), > - LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), > - LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), > - LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), > - LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), > -}; > - > -static const struct lpi_function sm8250_functions[] = { > - LPI_FUNCTION(dmic1_clk), > - LPI_FUNCTION(dmic1_data), > - LPI_FUNCTION(dmic2_clk), > - LPI_FUNCTION(dmic2_data), > - LPI_FUNCTION(dmic3_clk), > - LPI_FUNCTION(dmic3_data), > - LPI_FUNCTION(i2s1_clk), > - LPI_FUNCTION(i2s1_data), > - LPI_FUNCTION(i2s1_ws), > - LPI_FUNCTION(i2s2_clk), > - LPI_FUNCTION(i2s2_data), > - LPI_FUNCTION(i2s2_ws), > - LPI_FUNCTION(qua_mi2s_data), > - LPI_FUNCTION(qua_mi2s_sclk), > - LPI_FUNCTION(qua_mi2s_ws), > - LPI_FUNCTION(swr_rx_clk), > - LPI_FUNCTION(swr_rx_data), > - LPI_FUNCTION(swr_tx_clk), > - LPI_FUNCTION(swr_tx_data), > - LPI_FUNCTION(wsa_swr_clk), > - LPI_FUNCTION(wsa_swr_data), > -}; > - > -static struct lpi_pinctrl_variant_data sm8250_lpi_data = { > - .pins = sm8250_lpi_pins, > - .npins = ARRAY_SIZE(sm8250_lpi_pins), > - .groups = sm8250_groups, > - .ngroups = ARRAY_SIZE(sm8250_groups), > - .functions = sm8250_functions, > - .nfunctions = ARRAY_SIZE(sm8250_functions), > -}; > - > static int lpi_gpio_read(struct lpi_pinctrl *state, unsigned int pin, > unsigned int addr) > { > @@ -580,7 +374,7 @@ static const struct gpio_chip lpi_gpio_template = { > .dbg_show = lpi_gpio_dbg_show, > }; > > -static int lpi_pinctrl_probe(struct platform_device *pdev) > +int lpi_pinctrl_probe(struct platform_device *pdev) > { > const struct lpi_pinctrl_variant_data *data; > struct device *dev = &pdev->dev; > @@ -659,8 +453,9 @@ static int lpi_pinctrl_probe(struct platform_device *pdev) > > return ret; > } > +EXPORT_SYMBOL_GPL(lpi_pinctrl_probe); > > -static int lpi_pinctrl_remove(struct platform_device *pdev) > +int lpi_pinctrl_remove(struct platform_device *pdev) > { > struct lpi_pinctrl *pctrl = platform_get_drvdata(pdev); > > @@ -669,25 +464,7 @@ static int lpi_pinctrl_remove(struct platform_device *pdev) > > return 0; > } > +EXPORT_SYMBOL_GPL(lpi_pinctrl_remove); > > -static const struct of_device_id lpi_pinctrl_of_match[] = { > - { > - .compatible = "qcom,sm8250-lpass-lpi-pinctrl", > - .data = &sm8250_lpi_data, > - }, > - { } > -}; > -MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); > - > -static struct platform_driver lpi_pinctrl_driver = { > - .driver = { > - .name = "qcom-lpass-lpi-pinctrl", > - .of_match_table = lpi_pinctrl_of_match, > - }, > - .probe = lpi_pinctrl_probe, > - .remove = lpi_pinctrl_remove, > -}; > - > -module_platform_driver(lpi_pinctrl_driver); > MODULE_DESCRIPTION("QTI LPI GPIO pin control driver"); > MODULE_LICENSE("GPL"); > diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > new file mode 100644 > index 0000000..afbac2a > --- /dev/null > +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > @@ -0,0 +1,85 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. > + * Copyright (c) 2020 Linaro Ltd. > + */ > +#ifndef __PINCTRL_LPASS_LPI_H__ > +#define __PINCTRL_LPASS_LPI_H__ > + > +#include <linux/bitops.h> > +#include <linux/bitfield.h> > +#include "../core.h" > + > +#define LPI_SLEW_RATE_CTL_REG 0xa000 > +#define LPI_TLMM_REG_OFFSET 0x1000 > +#define LPI_SLEW_RATE_MAX 0x03 > +#define LPI_SLEW_BITS_SIZE 0x02 > +#define LPI_SLEW_RATE_MASK GENMASK(1, 0) > +#define LPI_GPIO_CFG_REG 0x00 > +#define LPI_GPIO_PULL_MASK GENMASK(1, 0) > +#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) > +#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) > +#define LPI_GPIO_OE_MASK BIT(9) > +#define LPI_GPIO_VALUE_REG 0x04 > +#define LPI_GPIO_VALUE_IN_MASK BIT(0) > +#define LPI_GPIO_VALUE_OUT_MASK BIT(1) > + > +#define LPI_GPIO_BIAS_DISABLE 0x0 > +#define LPI_GPIO_PULL_DOWN 0x1 > +#define LPI_GPIO_KEEPER 0x2 > +#define LPI_GPIO_PULL_UP 0x3 > +#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) > +#define LPI_NO_SLEW -1 > + > +#define LPI_FUNCTION(fname) \ > + [LPI_MUX_##fname] = { \ > + .name = #fname, \ > + .groups = fname##_groups, \ > + .ngroups = ARRAY_SIZE(fname##_groups), \ > + } > + > +#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ > + { \ > + .group.name = "gpio" #id, \ > + .group.pins = gpio##id##_pins, \ > + .pin = id, \ > + .slew_offset = soff, \ > + .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ > + .funcs = (int[]){ \ > + LPI_MUX_gpio, \ > + LPI_MUX_##f1, \ > + LPI_MUX_##f2, \ > + LPI_MUX_##f3, \ > + LPI_MUX_##f4, \ > + }, \ > + .nfuncs = 5, \ > + } > + > +struct lpi_pingroup { > + struct group_desc group; > + unsigned int pin; > + /* Bit offset in slew register for SoundWire pins only */ > + int slew_offset; > + unsigned int *funcs; > + unsigned int nfuncs; > +}; > + > +struct lpi_function { > + const char *name; > + const char * const *groups; > + unsigned int ngroups; > +}; > + > +struct lpi_pinctrl_variant_data { > + const struct pinctrl_pin_desc *pins; > + int npins; > + const struct lpi_pingroup *groups; > + int ngroups; > + const struct lpi_function *functions; > + int nfunctions; > +}; > + > +int lpi_pinctrl_probe(struct platform_device *pdev); > +int lpi_pinctrl_remove(struct platform_device *pdev); > + > +#endif /*__PINCTRL_LPASS_LPI_H__*/ > diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > new file mode 100644 > index 0000000..fb7dbb3 > --- /dev/null > +++ b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > @@ -0,0 +1,165 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. > + * Copyright (c) 2020 Linaro Ltd. > + */ > + > +#include <linux/gpio/driver.h> > +#include <linux/module.h> > +#include <linux/platform_device.h> > + > +#include "pinctrl-lpass-lpi.h" > + > +enum lpass_lpi_functions { > + LPI_MUX_dmic1_clk, > + LPI_MUX_dmic1_data, > + LPI_MUX_dmic2_clk, > + LPI_MUX_dmic2_data, > + LPI_MUX_dmic3_clk, > + LPI_MUX_dmic3_data, > + LPI_MUX_i2s1_clk, > + LPI_MUX_i2s1_data, > + LPI_MUX_i2s1_ws, > + LPI_MUX_i2s2_clk, > + LPI_MUX_i2s2_data, > + LPI_MUX_i2s2_ws, > + LPI_MUX_qua_mi2s_data, > + LPI_MUX_qua_mi2s_sclk, > + LPI_MUX_qua_mi2s_ws, > + LPI_MUX_swr_rx_clk, > + LPI_MUX_swr_rx_data, > + LPI_MUX_swr_tx_clk, > + LPI_MUX_swr_tx_data, > + LPI_MUX_wsa_swr_clk, > + LPI_MUX_wsa_swr_data, > + LPI_MUX_gpio, > + LPI_MUX__, > +}; > + > +static int gpio0_pins[] = { 0 }; > +static int gpio1_pins[] = { 1 }; > +static int gpio2_pins[] = { 2 }; > +static int gpio3_pins[] = { 3 }; > +static int gpio4_pins[] = { 4 }; > +static int gpio5_pins[] = { 5 }; > +static int gpio6_pins[] = { 6 }; > +static int gpio7_pins[] = { 7 }; > +static int gpio8_pins[] = { 8 }; > +static int gpio9_pins[] = { 9 }; > +static int gpio10_pins[] = { 10 }; > +static int gpio11_pins[] = { 11 }; > +static int gpio12_pins[] = { 12 }; > +static int gpio13_pins[] = { 13 }; > + > + > +/* sm8250 variant specific data */ > +static const struct pinctrl_pin_desc sm8250_lpi_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"), > +}; > + > +static const char * const swr_tx_clk_groups[] = { "gpio0" }; > +static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; > +static const char * const swr_rx_clk_groups[] = { "gpio3" }; > +static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; > +static const char * const dmic1_clk_groups[] = { "gpio6" }; > +static const char * const dmic1_data_groups[] = { "gpio7" }; > +static const char * const dmic2_clk_groups[] = { "gpio8" }; > +static const char * const dmic2_data_groups[] = { "gpio9" }; > +static const char * const i2s2_clk_groups[] = { "gpio10" }; > +static const char * const i2s2_ws_groups[] = { "gpio11" }; > +static const char * const dmic3_clk_groups[] = { "gpio12" }; > +static const char * const dmic3_data_groups[] = { "gpio13" }; > +static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; > +static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; > +static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; > +static const char * const i2s1_clk_groups[] = { "gpio6" }; > +static const char * const i2s1_ws_groups[] = { "gpio7" }; > +static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; > +static const char * const wsa_swr_clk_groups[] = { "gpio10" }; > +static const char * const wsa_swr_data_groups[] = { "gpio11" }; > +static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; > + > +static const struct lpi_pingroup sm8250_groups[] = { > + LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), > + LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), > + LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), > + LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), > + LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), > + LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), > + LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), > + LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), > + LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), > + LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), > + LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), > + LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), > + LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), > + LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), > +}; > + > +static const struct lpi_function sm8250_functions[] = { > + LPI_FUNCTION(dmic1_clk), > + LPI_FUNCTION(dmic1_data), > + LPI_FUNCTION(dmic2_clk), > + LPI_FUNCTION(dmic2_data), > + LPI_FUNCTION(dmic3_clk), > + LPI_FUNCTION(dmic3_data), > + LPI_FUNCTION(i2s1_clk), > + LPI_FUNCTION(i2s1_data), > + LPI_FUNCTION(i2s1_ws), > + LPI_FUNCTION(i2s2_clk), > + LPI_FUNCTION(i2s2_data), > + LPI_FUNCTION(i2s2_ws), > + LPI_FUNCTION(qua_mi2s_data), > + LPI_FUNCTION(qua_mi2s_sclk), > + LPI_FUNCTION(qua_mi2s_ws), > + LPI_FUNCTION(swr_rx_clk), > + LPI_FUNCTION(swr_rx_data), > + LPI_FUNCTION(swr_tx_clk), > + LPI_FUNCTION(swr_tx_data), > + LPI_FUNCTION(wsa_swr_clk), > + LPI_FUNCTION(wsa_swr_data), > +}; > + > +static const struct lpi_pinctrl_variant_data sm8250_lpi_data = { > + .pins = sm8250_lpi_pins, > + .npins = ARRAY_SIZE(sm8250_lpi_pins), > + .groups = sm8250_groups, > + .ngroups = ARRAY_SIZE(sm8250_groups), > + .functions = sm8250_functions, > + .nfunctions = ARRAY_SIZE(sm8250_functions), > +}; > + > +static const struct of_device_id lpi_pinctrl_of_match[] = { > + { > + .compatible = "qcom,sm8250-lpass-lpi-pinctrl", > + .data = &sm8250_lpi_data, > + }, > + { } > +}; > +MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); > + > +static struct platform_driver lpi_pinctrl_driver = { > + .driver = { > + .name = "qcom-sm8250-lpass-lpi-pinctrl", > + .of_match_table = lpi_pinctrl_of_match, > + }, > + .probe = lpi_pinctrl_probe, > + .remove = lpi_pinctrl_remove, > +}; > + > +module_platform_driver(lpi_pinctrl_driver); > +MODULE_DESCRIPTION("QTI SM8250 LPI GPIO pin control driver"); > +MODULE_LICENSE("GPL"); > -- > 2.7.4 >
On 3/8/2022 11:32 PM, Bjorn Andersson wrote: > On Tue 08 Mar 03:03 PST 2022, Srinivasa Rao Mandadapu wrote: > >> Extract the chip specific SM8250 data from the LPASS LPI pinctrl driver >> to allow reusing the common code in the addition of subsequent >> platforms. >> >> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com> >> Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> >> Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com> >> Reported-by: kernel test robot <lkp@intel.com> > I don't believe that lkp reported something that resulted in you writing > this patch. Okay. In between patch set we got errors, which were reported by robot. Will remove this reported-By. > >> --- >> drivers/pinctrl/qcom/Kconfig | 8 + >> drivers/pinctrl/qcom/Makefile | 1 + >> drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 233 +----------------------- >> drivers/pinctrl/qcom/pinctrl-lpass-lpi.h | 85 +++++++++ >> drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c | 165 +++++++++++++++++ >> 5 files changed, 264 insertions(+), 228 deletions(-) >> create mode 100644 drivers/pinctrl/qcom/pinctrl-lpass-lpi.h >> create mode 100644 drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c >> >> diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig >> index 31c4aa6..3c7b163 100644 >> --- a/drivers/pinctrl/qcom/Kconfig >> +++ b/drivers/pinctrl/qcom/Kconfig >> @@ -329,6 +329,14 @@ config PINCTRL_SM8250 >> Qualcomm Technologies Inc TLMM block found on the Qualcomm >> Technologies Inc SM8250 platform. >> >> +config PINCTRL_SM8250_LPASS_LPI >> + tristate "Qualcomm Technologies Inc SM8250 LPASS LPI pin controller driver" >> + select PINCTRL_LPASS_LPI > You shouldn't select user selectable options, so this should be "depends > on PINCTRL_LPASS_LPI". > > That said, PINCTRL_LPASS_LPI doesn't actually do anything on its own, so > it would would be nicer to make PINCTRL_LPASS_LPI not be user selectable > and keep the select PINCTRL_LPASS_LPI here. (You would also need depends > on GPIOLIB here though). > > With that I think this patch looks good. > > Regards, > Bjorn Okay. Will change accordingly and re post it. > >> + help >> + This is the pinctrl, pinmux, pinconf and gpiolib driver for the >> + Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI >> + (Low Power Island) found on the Qualcomm Technologies Inc SM8250 platform. >> + >> config PINCTRL_SM8350 >> tristate "Qualcomm Technologies Inc SM8350 pin controller driver" >> depends on PINCTRL_MSM >> diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile >> index 709882f..39650d6 100644 >> --- a/drivers/pinctrl/qcom/Makefile >> +++ b/drivers/pinctrl/qcom/Makefile >> @@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_SM6350) += pinctrl-sm6350.o >> obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o >> obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o >> obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o >> +obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o >> obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o >> obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o >> obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o >> diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c >> index 54750ba..1ab572f 100644 >> --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c >> +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c >> @@ -4,91 +4,15 @@ >> * Copyright (c) 2020 Linaro Ltd. >> */ >> >> -#include <linux/bitops.h> >> -#include <linux/bitfield.h> >> #include <linux/clk.h> >> #include <linux/gpio/driver.h> >> -#include <linux/io.h> >> #include <linux/module.h> >> #include <linux/of_device.h> >> -#include <linux/of.h> >> #include <linux/pinctrl/pinconf-generic.h> >> #include <linux/pinctrl/pinconf.h> >> #include <linux/pinctrl/pinmux.h> >> -#include <linux/platform_device.h> >> -#include <linux/slab.h> >> -#include <linux/types.h> >> -#include "../core.h" >> #include "../pinctrl-utils.h" >> - >> -#define LPI_SLEW_RATE_CTL_REG 0xa000 >> -#define LPI_TLMM_REG_OFFSET 0x1000 >> -#define LPI_SLEW_RATE_MAX 0x03 >> -#define LPI_SLEW_BITS_SIZE 0x02 >> -#define LPI_SLEW_RATE_MASK GENMASK(1, 0) >> -#define LPI_GPIO_CFG_REG 0x00 >> -#define LPI_GPIO_PULL_MASK GENMASK(1, 0) >> -#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) >> -#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) >> -#define LPI_GPIO_OE_MASK BIT(9) >> -#define LPI_GPIO_VALUE_REG 0x04 >> -#define LPI_GPIO_VALUE_IN_MASK BIT(0) >> -#define LPI_GPIO_VALUE_OUT_MASK BIT(1) >> - >> -#define LPI_GPIO_BIAS_DISABLE 0x0 >> -#define LPI_GPIO_PULL_DOWN 0x1 >> -#define LPI_GPIO_KEEPER 0x2 >> -#define LPI_GPIO_PULL_UP 0x3 >> -#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) >> -#define LPI_NO_SLEW -1 >> - >> -#define LPI_FUNCTION(fname) \ >> - [LPI_MUX_##fname] = { \ >> - .name = #fname, \ >> - .groups = fname##_groups, \ >> - .ngroups = ARRAY_SIZE(fname##_groups), \ >> - } >> - >> -#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ >> - { \ >> - .group.name = "gpio" #id, \ >> - .group.pins = gpio##id##_pins, \ >> - .pin = id, \ >> - .slew_offset = soff, \ >> - .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ >> - .funcs = (int[]){ \ >> - LPI_MUX_gpio, \ >> - LPI_MUX_##f1, \ >> - LPI_MUX_##f2, \ >> - LPI_MUX_##f3, \ >> - LPI_MUX_##f4, \ >> - }, \ >> - .nfuncs = 5, \ >> - } >> - >> -struct lpi_pingroup { >> - struct group_desc group; >> - unsigned int pin; >> - /* Bit offset in slew register for SoundWire pins only */ >> - int slew_offset; >> - unsigned int *funcs; >> - unsigned int nfuncs; >> -}; >> - >> -struct lpi_function { >> - const char *name; >> - const char * const *groups; >> - unsigned int ngroups; >> -}; >> - >> -struct lpi_pinctrl_variant_data { >> - const struct pinctrl_pin_desc *pins; >> - int npins; >> - const struct lpi_pingroup *groups; >> - int ngroups; >> - const struct lpi_function *functions; >> - int nfunctions; >> -}; >> +#include "pinctrl-lpass-lpi.h" >> >> #define MAX_LPI_NUM_CLKS 2 >> >> @@ -104,136 +28,6 @@ struct lpi_pinctrl { >> const struct lpi_pinctrl_variant_data *data; >> }; >> >> -/* sm8250 variant specific data */ >> -static const struct pinctrl_pin_desc sm8250_lpi_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"), >> -}; >> - >> -enum sm8250_lpi_functions { >> - LPI_MUX_dmic1_clk, >> - LPI_MUX_dmic1_data, >> - LPI_MUX_dmic2_clk, >> - LPI_MUX_dmic2_data, >> - LPI_MUX_dmic3_clk, >> - LPI_MUX_dmic3_data, >> - LPI_MUX_i2s1_clk, >> - LPI_MUX_i2s1_data, >> - LPI_MUX_i2s1_ws, >> - LPI_MUX_i2s2_clk, >> - LPI_MUX_i2s2_data, >> - LPI_MUX_i2s2_ws, >> - LPI_MUX_qua_mi2s_data, >> - LPI_MUX_qua_mi2s_sclk, >> - LPI_MUX_qua_mi2s_ws, >> - LPI_MUX_swr_rx_clk, >> - LPI_MUX_swr_rx_data, >> - LPI_MUX_swr_tx_clk, >> - LPI_MUX_swr_tx_data, >> - LPI_MUX_wsa_swr_clk, >> - LPI_MUX_wsa_swr_data, >> - LPI_MUX_gpio, >> - LPI_MUX__, >> -}; >> - >> -static int gpio0_pins[] = { 0 }; >> -static int gpio1_pins[] = { 1 }; >> -static int gpio2_pins[] = { 2 }; >> -static int gpio3_pins[] = { 3 }; >> -static int gpio4_pins[] = { 4 }; >> -static int gpio5_pins[] = { 5 }; >> -static int gpio6_pins[] = { 6 }; >> -static int gpio7_pins[] = { 7 }; >> -static int gpio8_pins[] = { 8 }; >> -static int gpio9_pins[] = { 9 }; >> -static int gpio10_pins[] = { 10 }; >> -static int gpio11_pins[] = { 11 }; >> -static int gpio12_pins[] = { 12 }; >> -static int gpio13_pins[] = { 13 }; >> -static const char * const swr_tx_clk_groups[] = { "gpio0" }; >> -static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; >> -static const char * const swr_rx_clk_groups[] = { "gpio3" }; >> -static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; >> -static const char * const dmic1_clk_groups[] = { "gpio6" }; >> -static const char * const dmic1_data_groups[] = { "gpio7" }; >> -static const char * const dmic2_clk_groups[] = { "gpio8" }; >> -static const char * const dmic2_data_groups[] = { "gpio9" }; >> -static const char * const i2s2_clk_groups[] = { "gpio10" }; >> -static const char * const i2s2_ws_groups[] = { "gpio11" }; >> -static const char * const dmic3_clk_groups[] = { "gpio12" }; >> -static const char * const dmic3_data_groups[] = { "gpio13" }; >> -static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; >> -static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; >> -static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; >> -static const char * const i2s1_clk_groups[] = { "gpio6" }; >> -static const char * const i2s1_ws_groups[] = { "gpio7" }; >> -static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; >> -static const char * const wsa_swr_clk_groups[] = { "gpio10" }; >> -static const char * const wsa_swr_data_groups[] = { "gpio11" }; >> -static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; >> - >> -static const struct lpi_pingroup sm8250_groups[] = { >> - LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), >> - LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), >> - LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), >> - LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), >> - LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), >> - LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), >> - LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), >> - LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), >> - LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), >> - LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), >> - LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), >> - LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), >> - LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), >> - LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), >> -}; >> - >> -static const struct lpi_function sm8250_functions[] = { >> - LPI_FUNCTION(dmic1_clk), >> - LPI_FUNCTION(dmic1_data), >> - LPI_FUNCTION(dmic2_clk), >> - LPI_FUNCTION(dmic2_data), >> - LPI_FUNCTION(dmic3_clk), >> - LPI_FUNCTION(dmic3_data), >> - LPI_FUNCTION(i2s1_clk), >> - LPI_FUNCTION(i2s1_data), >> - LPI_FUNCTION(i2s1_ws), >> - LPI_FUNCTION(i2s2_clk), >> - LPI_FUNCTION(i2s2_data), >> - LPI_FUNCTION(i2s2_ws), >> - LPI_FUNCTION(qua_mi2s_data), >> - LPI_FUNCTION(qua_mi2s_sclk), >> - LPI_FUNCTION(qua_mi2s_ws), >> - LPI_FUNCTION(swr_rx_clk), >> - LPI_FUNCTION(swr_rx_data), >> - LPI_FUNCTION(swr_tx_clk), >> - LPI_FUNCTION(swr_tx_data), >> - LPI_FUNCTION(wsa_swr_clk), >> - LPI_FUNCTION(wsa_swr_data), >> -}; >> - >> -static struct lpi_pinctrl_variant_data sm8250_lpi_data = { >> - .pins = sm8250_lpi_pins, >> - .npins = ARRAY_SIZE(sm8250_lpi_pins), >> - .groups = sm8250_groups, >> - .ngroups = ARRAY_SIZE(sm8250_groups), >> - .functions = sm8250_functions, >> - .nfunctions = ARRAY_SIZE(sm8250_functions), >> -}; >> - >> static int lpi_gpio_read(struct lpi_pinctrl *state, unsigned int pin, >> unsigned int addr) >> { >> @@ -580,7 +374,7 @@ static const struct gpio_chip lpi_gpio_template = { >> .dbg_show = lpi_gpio_dbg_show, >> }; >> >> -static int lpi_pinctrl_probe(struct platform_device *pdev) >> +int lpi_pinctrl_probe(struct platform_device *pdev) >> { >> const struct lpi_pinctrl_variant_data *data; >> struct device *dev = &pdev->dev; >> @@ -659,8 +453,9 @@ static int lpi_pinctrl_probe(struct platform_device *pdev) >> >> return ret; >> } >> +EXPORT_SYMBOL_GPL(lpi_pinctrl_probe); >> >> -static int lpi_pinctrl_remove(struct platform_device *pdev) >> +int lpi_pinctrl_remove(struct platform_device *pdev) >> { >> struct lpi_pinctrl *pctrl = platform_get_drvdata(pdev); >> >> @@ -669,25 +464,7 @@ static int lpi_pinctrl_remove(struct platform_device *pdev) >> >> return 0; >> } >> +EXPORT_SYMBOL_GPL(lpi_pinctrl_remove); >> >> -static const struct of_device_id lpi_pinctrl_of_match[] = { >> - { >> - .compatible = "qcom,sm8250-lpass-lpi-pinctrl", >> - .data = &sm8250_lpi_data, >> - }, >> - { } >> -}; >> -MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); >> - >> -static struct platform_driver lpi_pinctrl_driver = { >> - .driver = { >> - .name = "qcom-lpass-lpi-pinctrl", >> - .of_match_table = lpi_pinctrl_of_match, >> - }, >> - .probe = lpi_pinctrl_probe, >> - .remove = lpi_pinctrl_remove, >> -}; >> - >> -module_platform_driver(lpi_pinctrl_driver); >> MODULE_DESCRIPTION("QTI LPI GPIO pin control driver"); >> MODULE_LICENSE("GPL"); >> diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h >> new file mode 100644 >> index 0000000..afbac2a >> --- /dev/null >> +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h >> @@ -0,0 +1,85 @@ >> +/* SPDX-License-Identifier: GPL-2.0-only */ >> +/* >> + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. >> + * Copyright (c) 2020 Linaro Ltd. >> + */ >> +#ifndef __PINCTRL_LPASS_LPI_H__ >> +#define __PINCTRL_LPASS_LPI_H__ >> + >> +#include <linux/bitops.h> >> +#include <linux/bitfield.h> >> +#include "../core.h" >> + >> +#define LPI_SLEW_RATE_CTL_REG 0xa000 >> +#define LPI_TLMM_REG_OFFSET 0x1000 >> +#define LPI_SLEW_RATE_MAX 0x03 >> +#define LPI_SLEW_BITS_SIZE 0x02 >> +#define LPI_SLEW_RATE_MASK GENMASK(1, 0) >> +#define LPI_GPIO_CFG_REG 0x00 >> +#define LPI_GPIO_PULL_MASK GENMASK(1, 0) >> +#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) >> +#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) >> +#define LPI_GPIO_OE_MASK BIT(9) >> +#define LPI_GPIO_VALUE_REG 0x04 >> +#define LPI_GPIO_VALUE_IN_MASK BIT(0) >> +#define LPI_GPIO_VALUE_OUT_MASK BIT(1) >> + >> +#define LPI_GPIO_BIAS_DISABLE 0x0 >> +#define LPI_GPIO_PULL_DOWN 0x1 >> +#define LPI_GPIO_KEEPER 0x2 >> +#define LPI_GPIO_PULL_UP 0x3 >> +#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) >> +#define LPI_NO_SLEW -1 >> + >> +#define LPI_FUNCTION(fname) \ >> + [LPI_MUX_##fname] = { \ >> + .name = #fname, \ >> + .groups = fname##_groups, \ >> + .ngroups = ARRAY_SIZE(fname##_groups), \ >> + } >> + >> +#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ >> + { \ >> + .group.name = "gpio" #id, \ >> + .group.pins = gpio##id##_pins, \ >> + .pin = id, \ >> + .slew_offset = soff, \ >> + .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ >> + .funcs = (int[]){ \ >> + LPI_MUX_gpio, \ >> + LPI_MUX_##f1, \ >> + LPI_MUX_##f2, \ >> + LPI_MUX_##f3, \ >> + LPI_MUX_##f4, \ >> + }, \ >> + .nfuncs = 5, \ >> + } >> + >> +struct lpi_pingroup { >> + struct group_desc group; >> + unsigned int pin; >> + /* Bit offset in slew register for SoundWire pins only */ >> + int slew_offset; >> + unsigned int *funcs; >> + unsigned int nfuncs; >> +}; >> + >> +struct lpi_function { >> + const char *name; >> + const char * const *groups; >> + unsigned int ngroups; >> +}; >> + >> +struct lpi_pinctrl_variant_data { >> + const struct pinctrl_pin_desc *pins; >> + int npins; >> + const struct lpi_pingroup *groups; >> + int ngroups; >> + const struct lpi_function *functions; >> + int nfunctions; >> +}; >> + >> +int lpi_pinctrl_probe(struct platform_device *pdev); >> +int lpi_pinctrl_remove(struct platform_device *pdev); >> + >> +#endif /*__PINCTRL_LPASS_LPI_H__*/ >> diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c >> new file mode 100644 >> index 0000000..fb7dbb3 >> --- /dev/null >> +++ b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c >> @@ -0,0 +1,165 @@ >> +// SPDX-License-Identifier: GPL-2.0-only >> +/* >> + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. >> + * Copyright (c) 2020 Linaro Ltd. >> + */ >> + >> +#include <linux/gpio/driver.h> >> +#include <linux/module.h> >> +#include <linux/platform_device.h> >> + >> +#include "pinctrl-lpass-lpi.h" >> + >> +enum lpass_lpi_functions { >> + LPI_MUX_dmic1_clk, >> + LPI_MUX_dmic1_data, >> + LPI_MUX_dmic2_clk, >> + LPI_MUX_dmic2_data, >> + LPI_MUX_dmic3_clk, >> + LPI_MUX_dmic3_data, >> + LPI_MUX_i2s1_clk, >> + LPI_MUX_i2s1_data, >> + LPI_MUX_i2s1_ws, >> + LPI_MUX_i2s2_clk, >> + LPI_MUX_i2s2_data, >> + LPI_MUX_i2s2_ws, >> + LPI_MUX_qua_mi2s_data, >> + LPI_MUX_qua_mi2s_sclk, >> + LPI_MUX_qua_mi2s_ws, >> + LPI_MUX_swr_rx_clk, >> + LPI_MUX_swr_rx_data, >> + LPI_MUX_swr_tx_clk, >> + LPI_MUX_swr_tx_data, >> + LPI_MUX_wsa_swr_clk, >> + LPI_MUX_wsa_swr_data, >> + LPI_MUX_gpio, >> + LPI_MUX__, >> +}; >> + >> +static int gpio0_pins[] = { 0 }; >> +static int gpio1_pins[] = { 1 }; >> +static int gpio2_pins[] = { 2 }; >> +static int gpio3_pins[] = { 3 }; >> +static int gpio4_pins[] = { 4 }; >> +static int gpio5_pins[] = { 5 }; >> +static int gpio6_pins[] = { 6 }; >> +static int gpio7_pins[] = { 7 }; >> +static int gpio8_pins[] = { 8 }; >> +static int gpio9_pins[] = { 9 }; >> +static int gpio10_pins[] = { 10 }; >> +static int gpio11_pins[] = { 11 }; >> +static int gpio12_pins[] = { 12 }; >> +static int gpio13_pins[] = { 13 }; >> + >> + >> +/* sm8250 variant specific data */ >> +static const struct pinctrl_pin_desc sm8250_lpi_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"), >> +}; >> + >> +static const char * const swr_tx_clk_groups[] = { "gpio0" }; >> +static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; >> +static const char * const swr_rx_clk_groups[] = { "gpio3" }; >> +static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; >> +static const char * const dmic1_clk_groups[] = { "gpio6" }; >> +static const char * const dmic1_data_groups[] = { "gpio7" }; >> +static const char * const dmic2_clk_groups[] = { "gpio8" }; >> +static const char * const dmic2_data_groups[] = { "gpio9" }; >> +static const char * const i2s2_clk_groups[] = { "gpio10" }; >> +static const char * const i2s2_ws_groups[] = { "gpio11" }; >> +static const char * const dmic3_clk_groups[] = { "gpio12" }; >> +static const char * const dmic3_data_groups[] = { "gpio13" }; >> +static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; >> +static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; >> +static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; >> +static const char * const i2s1_clk_groups[] = { "gpio6" }; >> +static const char * const i2s1_ws_groups[] = { "gpio7" }; >> +static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; >> +static const char * const wsa_swr_clk_groups[] = { "gpio10" }; >> +static const char * const wsa_swr_data_groups[] = { "gpio11" }; >> +static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; >> + >> +static const struct lpi_pingroup sm8250_groups[] = { >> + LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), >> + LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), >> + LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), >> + LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), >> + LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), >> + LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), >> + LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), >> + LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), >> + LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), >> + LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), >> + LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), >> + LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), >> + LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), >> + LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), >> +}; >> + >> +static const struct lpi_function sm8250_functions[] = { >> + LPI_FUNCTION(dmic1_clk), >> + LPI_FUNCTION(dmic1_data), >> + LPI_FUNCTION(dmic2_clk), >> + LPI_FUNCTION(dmic2_data), >> + LPI_FUNCTION(dmic3_clk), >> + LPI_FUNCTION(dmic3_data), >> + LPI_FUNCTION(i2s1_clk), >> + LPI_FUNCTION(i2s1_data), >> + LPI_FUNCTION(i2s1_ws), >> + LPI_FUNCTION(i2s2_clk), >> + LPI_FUNCTION(i2s2_data), >> + LPI_FUNCTION(i2s2_ws), >> + LPI_FUNCTION(qua_mi2s_data), >> + LPI_FUNCTION(qua_mi2s_sclk), >> + LPI_FUNCTION(qua_mi2s_ws), >> + LPI_FUNCTION(swr_rx_clk), >> + LPI_FUNCTION(swr_rx_data), >> + LPI_FUNCTION(swr_tx_clk), >> + LPI_FUNCTION(swr_tx_data), >> + LPI_FUNCTION(wsa_swr_clk), >> + LPI_FUNCTION(wsa_swr_data), >> +}; >> + >> +static const struct lpi_pinctrl_variant_data sm8250_lpi_data = { >> + .pins = sm8250_lpi_pins, >> + .npins = ARRAY_SIZE(sm8250_lpi_pins), >> + .groups = sm8250_groups, >> + .ngroups = ARRAY_SIZE(sm8250_groups), >> + .functions = sm8250_functions, >> + .nfunctions = ARRAY_SIZE(sm8250_functions), >> +}; >> + >> +static const struct of_device_id lpi_pinctrl_of_match[] = { >> + { >> + .compatible = "qcom,sm8250-lpass-lpi-pinctrl", >> + .data = &sm8250_lpi_data, >> + }, >> + { } >> +}; >> +MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); >> + >> +static struct platform_driver lpi_pinctrl_driver = { >> + .driver = { >> + .name = "qcom-sm8250-lpass-lpi-pinctrl", >> + .of_match_table = lpi_pinctrl_of_match, >> + }, >> + .probe = lpi_pinctrl_probe, >> + .remove = lpi_pinctrl_remove, >> +}; >> + >> +module_platform_driver(lpi_pinctrl_driver); >> +MODULE_DESCRIPTION("QTI SM8250 LPI GPIO pin control driver"); >> +MODULE_LICENSE("GPL"); >> -- >> 2.7.4 >>
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 31c4aa6..3c7b163 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -329,6 +329,14 @@ config PINCTRL_SM8250 Qualcomm Technologies Inc TLMM block found on the Qualcomm Technologies Inc SM8250 platform. +config PINCTRL_SM8250_LPASS_LPI + tristate "Qualcomm Technologies Inc SM8250 LPASS LPI pin controller driver" + select PINCTRL_LPASS_LPI + help + This is the pinctrl, pinmux, pinconf and gpiolib driver for the + Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI + (Low Power Island) found on the Qualcomm Technologies Inc SM8250 platform. + config PINCTRL_SM8350 tristate "Qualcomm Technologies Inc SM8350 pin controller driver" depends on PINCTRL_MSM diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 709882f..39650d6 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_SM6350) += pinctrl-sm6350.o obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o +obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c index 54750ba..1ab572f 100644 --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c @@ -4,91 +4,15 @@ * Copyright (c) 2020 Linaro Ltd. */ -#include <linux/bitops.h> -#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/gpio/driver.h> -#include <linux/io.h> #include <linux/module.h> #include <linux/of_device.h> -#include <linux/of.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinmux.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/types.h> -#include "../core.h" #include "../pinctrl-utils.h" - -#define LPI_SLEW_RATE_CTL_REG 0xa000 -#define LPI_TLMM_REG_OFFSET 0x1000 -#define LPI_SLEW_RATE_MAX 0x03 -#define LPI_SLEW_BITS_SIZE 0x02 -#define LPI_SLEW_RATE_MASK GENMASK(1, 0) -#define LPI_GPIO_CFG_REG 0x00 -#define LPI_GPIO_PULL_MASK GENMASK(1, 0) -#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) -#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) -#define LPI_GPIO_OE_MASK BIT(9) -#define LPI_GPIO_VALUE_REG 0x04 -#define LPI_GPIO_VALUE_IN_MASK BIT(0) -#define LPI_GPIO_VALUE_OUT_MASK BIT(1) - -#define LPI_GPIO_BIAS_DISABLE 0x0 -#define LPI_GPIO_PULL_DOWN 0x1 -#define LPI_GPIO_KEEPER 0x2 -#define LPI_GPIO_PULL_UP 0x3 -#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) -#define LPI_NO_SLEW -1 - -#define LPI_FUNCTION(fname) \ - [LPI_MUX_##fname] = { \ - .name = #fname, \ - .groups = fname##_groups, \ - .ngroups = ARRAY_SIZE(fname##_groups), \ - } - -#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ - { \ - .group.name = "gpio" #id, \ - .group.pins = gpio##id##_pins, \ - .pin = id, \ - .slew_offset = soff, \ - .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ - .funcs = (int[]){ \ - LPI_MUX_gpio, \ - LPI_MUX_##f1, \ - LPI_MUX_##f2, \ - LPI_MUX_##f3, \ - LPI_MUX_##f4, \ - }, \ - .nfuncs = 5, \ - } - -struct lpi_pingroup { - struct group_desc group; - unsigned int pin; - /* Bit offset in slew register for SoundWire pins only */ - int slew_offset; - unsigned int *funcs; - unsigned int nfuncs; -}; - -struct lpi_function { - const char *name; - const char * const *groups; - unsigned int ngroups; -}; - -struct lpi_pinctrl_variant_data { - const struct pinctrl_pin_desc *pins; - int npins; - const struct lpi_pingroup *groups; - int ngroups; - const struct lpi_function *functions; - int nfunctions; -}; +#include "pinctrl-lpass-lpi.h" #define MAX_LPI_NUM_CLKS 2 @@ -104,136 +28,6 @@ struct lpi_pinctrl { const struct lpi_pinctrl_variant_data *data; }; -/* sm8250 variant specific data */ -static const struct pinctrl_pin_desc sm8250_lpi_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"), -}; - -enum sm8250_lpi_functions { - LPI_MUX_dmic1_clk, - LPI_MUX_dmic1_data, - LPI_MUX_dmic2_clk, - LPI_MUX_dmic2_data, - LPI_MUX_dmic3_clk, - LPI_MUX_dmic3_data, - LPI_MUX_i2s1_clk, - LPI_MUX_i2s1_data, - LPI_MUX_i2s1_ws, - LPI_MUX_i2s2_clk, - LPI_MUX_i2s2_data, - LPI_MUX_i2s2_ws, - LPI_MUX_qua_mi2s_data, - LPI_MUX_qua_mi2s_sclk, - LPI_MUX_qua_mi2s_ws, - LPI_MUX_swr_rx_clk, - LPI_MUX_swr_rx_data, - LPI_MUX_swr_tx_clk, - LPI_MUX_swr_tx_data, - LPI_MUX_wsa_swr_clk, - LPI_MUX_wsa_swr_data, - LPI_MUX_gpio, - LPI_MUX__, -}; - -static int gpio0_pins[] = { 0 }; -static int gpio1_pins[] = { 1 }; -static int gpio2_pins[] = { 2 }; -static int gpio3_pins[] = { 3 }; -static int gpio4_pins[] = { 4 }; -static int gpio5_pins[] = { 5 }; -static int gpio6_pins[] = { 6 }; -static int gpio7_pins[] = { 7 }; -static int gpio8_pins[] = { 8 }; -static int gpio9_pins[] = { 9 }; -static int gpio10_pins[] = { 10 }; -static int gpio11_pins[] = { 11 }; -static int gpio12_pins[] = { 12 }; -static int gpio13_pins[] = { 13 }; -static const char * const swr_tx_clk_groups[] = { "gpio0" }; -static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; -static const char * const swr_rx_clk_groups[] = { "gpio3" }; -static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; -static const char * const dmic1_clk_groups[] = { "gpio6" }; -static const char * const dmic1_data_groups[] = { "gpio7" }; -static const char * const dmic2_clk_groups[] = { "gpio8" }; -static const char * const dmic2_data_groups[] = { "gpio9" }; -static const char * const i2s2_clk_groups[] = { "gpio10" }; -static const char * const i2s2_ws_groups[] = { "gpio11" }; -static const char * const dmic3_clk_groups[] = { "gpio12" }; -static const char * const dmic3_data_groups[] = { "gpio13" }; -static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; -static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; -static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; -static const char * const i2s1_clk_groups[] = { "gpio6" }; -static const char * const i2s1_ws_groups[] = { "gpio7" }; -static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; -static const char * const wsa_swr_clk_groups[] = { "gpio10" }; -static const char * const wsa_swr_data_groups[] = { "gpio11" }; -static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; - -static const struct lpi_pingroup sm8250_groups[] = { - LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), - LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), - LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), - LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), - LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), - LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), - LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), - LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), - LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), - LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), - LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), - LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), - LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), - LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), -}; - -static const struct lpi_function sm8250_functions[] = { - LPI_FUNCTION(dmic1_clk), - LPI_FUNCTION(dmic1_data), - LPI_FUNCTION(dmic2_clk), - LPI_FUNCTION(dmic2_data), - LPI_FUNCTION(dmic3_clk), - LPI_FUNCTION(dmic3_data), - LPI_FUNCTION(i2s1_clk), - LPI_FUNCTION(i2s1_data), - LPI_FUNCTION(i2s1_ws), - LPI_FUNCTION(i2s2_clk), - LPI_FUNCTION(i2s2_data), - LPI_FUNCTION(i2s2_ws), - LPI_FUNCTION(qua_mi2s_data), - LPI_FUNCTION(qua_mi2s_sclk), - LPI_FUNCTION(qua_mi2s_ws), - LPI_FUNCTION(swr_rx_clk), - LPI_FUNCTION(swr_rx_data), - LPI_FUNCTION(swr_tx_clk), - LPI_FUNCTION(swr_tx_data), - LPI_FUNCTION(wsa_swr_clk), - LPI_FUNCTION(wsa_swr_data), -}; - -static struct lpi_pinctrl_variant_data sm8250_lpi_data = { - .pins = sm8250_lpi_pins, - .npins = ARRAY_SIZE(sm8250_lpi_pins), - .groups = sm8250_groups, - .ngroups = ARRAY_SIZE(sm8250_groups), - .functions = sm8250_functions, - .nfunctions = ARRAY_SIZE(sm8250_functions), -}; - static int lpi_gpio_read(struct lpi_pinctrl *state, unsigned int pin, unsigned int addr) { @@ -580,7 +374,7 @@ static const struct gpio_chip lpi_gpio_template = { .dbg_show = lpi_gpio_dbg_show, }; -static int lpi_pinctrl_probe(struct platform_device *pdev) +int lpi_pinctrl_probe(struct platform_device *pdev) { const struct lpi_pinctrl_variant_data *data; struct device *dev = &pdev->dev; @@ -659,8 +453,9 @@ static int lpi_pinctrl_probe(struct platform_device *pdev) return ret; } +EXPORT_SYMBOL_GPL(lpi_pinctrl_probe); -static int lpi_pinctrl_remove(struct platform_device *pdev) +int lpi_pinctrl_remove(struct platform_device *pdev) { struct lpi_pinctrl *pctrl = platform_get_drvdata(pdev); @@ -669,25 +464,7 @@ static int lpi_pinctrl_remove(struct platform_device *pdev) return 0; } +EXPORT_SYMBOL_GPL(lpi_pinctrl_remove); -static const struct of_device_id lpi_pinctrl_of_match[] = { - { - .compatible = "qcom,sm8250-lpass-lpi-pinctrl", - .data = &sm8250_lpi_data, - }, - { } -}; -MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); - -static struct platform_driver lpi_pinctrl_driver = { - .driver = { - .name = "qcom-lpass-lpi-pinctrl", - .of_match_table = lpi_pinctrl_of_match, - }, - .probe = lpi_pinctrl_probe, - .remove = lpi_pinctrl_remove, -}; - -module_platform_driver(lpi_pinctrl_driver); MODULE_DESCRIPTION("QTI LPI GPIO pin control driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h new file mode 100644 index 0000000..afbac2a --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2020 Linaro Ltd. + */ +#ifndef __PINCTRL_LPASS_LPI_H__ +#define __PINCTRL_LPASS_LPI_H__ + +#include <linux/bitops.h> +#include <linux/bitfield.h> +#include "../core.h" + +#define LPI_SLEW_RATE_CTL_REG 0xa000 +#define LPI_TLMM_REG_OFFSET 0x1000 +#define LPI_SLEW_RATE_MAX 0x03 +#define LPI_SLEW_BITS_SIZE 0x02 +#define LPI_SLEW_RATE_MASK GENMASK(1, 0) +#define LPI_GPIO_CFG_REG 0x00 +#define LPI_GPIO_PULL_MASK GENMASK(1, 0) +#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) +#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) +#define LPI_GPIO_OE_MASK BIT(9) +#define LPI_GPIO_VALUE_REG 0x04 +#define LPI_GPIO_VALUE_IN_MASK BIT(0) +#define LPI_GPIO_VALUE_OUT_MASK BIT(1) + +#define LPI_GPIO_BIAS_DISABLE 0x0 +#define LPI_GPIO_PULL_DOWN 0x1 +#define LPI_GPIO_KEEPER 0x2 +#define LPI_GPIO_PULL_UP 0x3 +#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) +#define LPI_NO_SLEW -1 + +#define LPI_FUNCTION(fname) \ + [LPI_MUX_##fname] = { \ + .name = #fname, \ + .groups = fname##_groups, \ + .ngroups = ARRAY_SIZE(fname##_groups), \ + } + +#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ + { \ + .group.name = "gpio" #id, \ + .group.pins = gpio##id##_pins, \ + .pin = id, \ + .slew_offset = soff, \ + .group.num_pins = ARRAY_SIZE(gpio##id##_pins), \ + .funcs = (int[]){ \ + LPI_MUX_gpio, \ + LPI_MUX_##f1, \ + LPI_MUX_##f2, \ + LPI_MUX_##f3, \ + LPI_MUX_##f4, \ + }, \ + .nfuncs = 5, \ + } + +struct lpi_pingroup { + struct group_desc group; + unsigned int pin; + /* Bit offset in slew register for SoundWire pins only */ + int slew_offset; + unsigned int *funcs; + unsigned int nfuncs; +}; + +struct lpi_function { + const char *name; + const char * const *groups; + unsigned int ngroups; +}; + +struct lpi_pinctrl_variant_data { + const struct pinctrl_pin_desc *pins; + int npins; + const struct lpi_pingroup *groups; + int ngroups; + const struct lpi_function *functions; + int nfunctions; +}; + +int lpi_pinctrl_probe(struct platform_device *pdev); +int lpi_pinctrl_remove(struct platform_device *pdev); + +#endif /*__PINCTRL_LPASS_LPI_H__*/ diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c new file mode 100644 index 0000000..fb7dbb3 --- /dev/null +++ b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2020 Linaro Ltd. + */ + +#include <linux/gpio/driver.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include "pinctrl-lpass-lpi.h" + +enum lpass_lpi_functions { + LPI_MUX_dmic1_clk, + LPI_MUX_dmic1_data, + LPI_MUX_dmic2_clk, + LPI_MUX_dmic2_data, + LPI_MUX_dmic3_clk, + LPI_MUX_dmic3_data, + LPI_MUX_i2s1_clk, + LPI_MUX_i2s1_data, + LPI_MUX_i2s1_ws, + LPI_MUX_i2s2_clk, + LPI_MUX_i2s2_data, + LPI_MUX_i2s2_ws, + LPI_MUX_qua_mi2s_data, + LPI_MUX_qua_mi2s_sclk, + LPI_MUX_qua_mi2s_ws, + LPI_MUX_swr_rx_clk, + LPI_MUX_swr_rx_data, + LPI_MUX_swr_tx_clk, + LPI_MUX_swr_tx_data, + LPI_MUX_wsa_swr_clk, + LPI_MUX_wsa_swr_data, + LPI_MUX_gpio, + LPI_MUX__, +}; + +static int gpio0_pins[] = { 0 }; +static int gpio1_pins[] = { 1 }; +static int gpio2_pins[] = { 2 }; +static int gpio3_pins[] = { 3 }; +static int gpio4_pins[] = { 4 }; +static int gpio5_pins[] = { 5 }; +static int gpio6_pins[] = { 6 }; +static int gpio7_pins[] = { 7 }; +static int gpio8_pins[] = { 8 }; +static int gpio9_pins[] = { 9 }; +static int gpio10_pins[] = { 10 }; +static int gpio11_pins[] = { 11 }; +static int gpio12_pins[] = { 12 }; +static int gpio13_pins[] = { 13 }; + + +/* sm8250 variant specific data */ +static const struct pinctrl_pin_desc sm8250_lpi_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"), +}; + +static const char * const swr_tx_clk_groups[] = { "gpio0" }; +static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5" }; +static const char * const swr_rx_clk_groups[] = { "gpio3" }; +static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" }; +static const char * const dmic1_clk_groups[] = { "gpio6" }; +static const char * const dmic1_data_groups[] = { "gpio7" }; +static const char * const dmic2_clk_groups[] = { "gpio8" }; +static const char * const dmic2_data_groups[] = { "gpio9" }; +static const char * const i2s2_clk_groups[] = { "gpio10" }; +static const char * const i2s2_ws_groups[] = { "gpio11" }; +static const char * const dmic3_clk_groups[] = { "gpio12" }; +static const char * const dmic3_data_groups[] = { "gpio13" }; +static const char * const qua_mi2s_sclk_groups[] = { "gpio0" }; +static const char * const qua_mi2s_ws_groups[] = { "gpio1" }; +static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" }; +static const char * const i2s1_clk_groups[] = { "gpio6" }; +static const char * const i2s1_ws_groups[] = { "gpio7" }; +static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; +static const char * const wsa_swr_clk_groups[] = { "gpio10" }; +static const char * const wsa_swr_data_groups[] = { "gpio11" }; +static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" }; + +static const struct lpi_pingroup sm8250_groups[] = { + LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _), + LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _), + LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _), + LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _), + LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _), + LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _), + LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), + LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), + LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), + LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _), + LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), + LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), + LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _), + LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _), +}; + +static const struct lpi_function sm8250_functions[] = { + LPI_FUNCTION(dmic1_clk), + LPI_FUNCTION(dmic1_data), + LPI_FUNCTION(dmic2_clk), + LPI_FUNCTION(dmic2_data), + LPI_FUNCTION(dmic3_clk), + LPI_FUNCTION(dmic3_data), + LPI_FUNCTION(i2s1_clk), + LPI_FUNCTION(i2s1_data), + LPI_FUNCTION(i2s1_ws), + LPI_FUNCTION(i2s2_clk), + LPI_FUNCTION(i2s2_data), + LPI_FUNCTION(i2s2_ws), + LPI_FUNCTION(qua_mi2s_data), + LPI_FUNCTION(qua_mi2s_sclk), + LPI_FUNCTION(qua_mi2s_ws), + LPI_FUNCTION(swr_rx_clk), + LPI_FUNCTION(swr_rx_data), + LPI_FUNCTION(swr_tx_clk), + LPI_FUNCTION(swr_tx_data), + LPI_FUNCTION(wsa_swr_clk), + LPI_FUNCTION(wsa_swr_data), +}; + +static const struct lpi_pinctrl_variant_data sm8250_lpi_data = { + .pins = sm8250_lpi_pins, + .npins = ARRAY_SIZE(sm8250_lpi_pins), + .groups = sm8250_groups, + .ngroups = ARRAY_SIZE(sm8250_groups), + .functions = sm8250_functions, + .nfunctions = ARRAY_SIZE(sm8250_functions), +}; + +static const struct of_device_id lpi_pinctrl_of_match[] = { + { + .compatible = "qcom,sm8250-lpass-lpi-pinctrl", + .data = &sm8250_lpi_data, + }, + { } +}; +MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); + +static struct platform_driver lpi_pinctrl_driver = { + .driver = { + .name = "qcom-sm8250-lpass-lpi-pinctrl", + .of_match_table = lpi_pinctrl_of_match, + }, + .probe = lpi_pinctrl_probe, + .remove = lpi_pinctrl_remove, +}; + +module_platform_driver(lpi_pinctrl_driver); +MODULE_DESCRIPTION("QTI SM8250 LPI GPIO pin control driver"); +MODULE_LICENSE("GPL");