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Wed, 22 Feb 2023 20:39:10 +0000 From: Colin Foster To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Tony Lindgren , =?utf-8?q?Beno=C3=AEt_Cousson?= , soc@kernel.org, Olof Johansson , Arnd Bergmann , Krzysztof Kozlowski , Rob Herring , Andrew Davis Subject: [PATCH v4 2/2] arm: dts: omap4: pcm959: add initial support for phytec pcm959 Date: Wed, 22 Feb 2023 12:38:47 -0800 Message-Id: <20230222203847.2664903-3-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230222203847.2664903-1-colin.foster@in-advantage.com> References: <20230222203847.2664903-1-colin.foster@in-advantage.com> X-ClientProxiedBy: BYAPR02CA0042.namprd02.prod.outlook.com (2603:10b6:a03:54::19) To MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWHPR1001MB2351:EE_|PH7PR10MB6033:EE_ X-MS-Office365-Filtering-Correlation-Id: 46dd60cf-324f-4dfb-6aa5-08db1514d9c9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Add initial functionality for the board. The verified interfaces and peripherals are listed below for the SOM (PCM-049) and the dev board (PCM-959) The omap2plus_defconfig was used for testing. Only the On-board LEDs required CONFIG_LEDS_PCA9532 addition. PCM-049: i2c1 * EEPROM at 0x50 * TMP102 (hwmon) at 0x4b twl6030 GPMC * Ethernet * Flash Serial (ttyS2 console) PCM959: MMC1 On-board LEDs (with CONFIG_LEDS_PCA9532) Signed-off-by: Colin Foster --- v3->v4 * Remove unnecessary "omap-4430" compatible string v2->v3 Code review changes: * Remove unnecessary "okay" statuses * Utilize gpio funciton / color instead of label * Clean up pinctrl whitespace * Change label of TWL6030 to "pmic" * Clean up general whitespace Behavioral changes: * Utilize "gpmc-wait" instead of "rb-gpios". The initial configuration would suffer about a 1/100K NAND access failure, snowballing into corrupted NAND after enough boot cycles / downloads. This one was fun to figure out! * Adjustments to gpmc-nand timings from testing. v1->v2 * Almost everything moved to the SOM (PCM049) * Fix where omap_pmx_wkup were actually getting applied to omap_pmx_core. * Use hyphens instead of underscores for names * Remove unnecessary entries of "status=okay" * Use generic "regulator" and "led" names * add compatible strings for the dev board and SOM --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi | 400 ++++++++++++++++++++ arch/arm/boot/dts/omap4-phytec-pcm-959.dts | 48 +++ 3 files changed, 449 insertions(+) create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-959.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 6aa7dc4db2fc..ae8338cb5bb1 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -968,6 +968,7 @@ dtb-$(CONFIG_ARCH_OMAP4) += \ omap4-panda.dtb \ omap4-panda-a4.dtb \ omap4-panda-es.dtb \ + omap4-phytec-pcm-959.dtb \ omap4-sdp.dtb \ omap4-sdp-es23plus.dtb \ omap4-var-dvk-om44.dtb \ diff --git a/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi b/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi new file mode 100644 index 000000000000..3cc029599224 --- /dev/null +++ b/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi @@ -0,0 +1,400 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022 Innovative Advantage, Inc. + */ +#include +#include + +/ { + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x40000000>; /* 1 GB */ + }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dsp_memory_region: dsp-memory@98000000 { + compatible = "shared-dma-pool"; + reg = <0x98000000 0x800000>; + reusable; + }; + + ipu_memory_region: ipu-memory@98800000 { + compatible = "shared-dma-pool"; + reg = <0x98800000 0x7000000>; + reusable; + }; + }; + + chosen { + stdout-path = &uart3; + }; + + leds: leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_gpio_pins>; + + led-0 { + function = LED_FUNCTION_HEARTBEAT; + color = ; + gpios = <&gpio5 0x18 GPIO_ACTIVE_HIGH>; /* GPIO 152 */ + linux,default-trigger = "heartbeat"; + }; + + led-1 { + function = LED_FUNCTION_DISK; + color = ; + gpios = <&gpio5 0x19 GPIO_ACTIVE_HIGH>; /* GPIO 153 */ + linux,default-trigger = "mmc0"; + }; + }; +}; + +&gpio1_target { + ti,no-reset-on-init; +}; + +&omap4_pmx_core { + pinctrl-names = "default"; + pinctrl-0 = <&tps62361_pins>; + + i2c1_pins: pinmux-i2c1-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x122, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl */ + OMAP4_IOPAD(0x124, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda */ + >; + }; + + i2c3_pins: pinmux-i2c3-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x12a, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_scl */ + OMAP4_IOPAD(0x12c, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_sda */ + >; + }; + + i2c4_pins: pinmux-i2c4-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x12e, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c4_scl */ + OMAP4_IOPAD(0x130, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c4_sda */ + >; + }; + + uart1_pins: pinmux_uart1_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x126, PIN_INPUT_PULLUP | MUX_MODE1) /* uart1_rx */ + OMAP4_IOPAD(0x128, PIN_INPUT_PULLUP | MUX_MODE1) /* uart1_tx */ + >; + }; + + uart2_pins: pinmux-uart2-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_cts */ + OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0) /* uart2_rts */ + OMAP4_IOPAD(0x11c, PIN_INPUT | MUX_MODE0) /* uart2_rx */ + OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0) /* uart2_tx */ + >; + }; + + uart3_pins: pinmux-uart3-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x140, PIN_INPUT_PULLUP | MUX_MODE0) /* uart3_cts */ + OMAP4_IOPAD(0x142, PIN_OUTPUT | MUX_MODE0) /* uart3_rts */ + OMAP4_IOPAD(0x144, PIN_INPUT | MUX_MODE0) /* uart3_rx */ + OMAP4_IOPAD(0x146, PIN_OUTPUT | MUX_MODE0) /* uart3_tx */ + >; + }; + + led_gpio_pins: pinmux-leds-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x156, PIN_OUTPUT | MUX_MODE3) /* gpio_152 */ + OMAP4_IOPAD(0x158, PIN_OUTPUT | MUX_MODE3) /* gpio_153 */ + >; + }; + + pinctrl_tempsense: pinmux-pinctrl-tempsense-pins{ + pinctrl-single,pins = < + OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio_151 */ + >; + }; + + gpmc_pins: gpmc-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x40, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad0 */ + OMAP4_IOPAD(0x42, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad1 */ + OMAP4_IOPAD(0x44, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad2 */ + OMAP4_IOPAD(0x46, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad3 */ + OMAP4_IOPAD(0x48, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad4 */ + OMAP4_IOPAD(0x4a, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad5 */ + OMAP4_IOPAD(0x4c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad6 */ + OMAP4_IOPAD(0x4e, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad7 */ + OMAP4_IOPAD(0x50, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad8 */ + OMAP4_IOPAD(0x52, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad9 */ + OMAP4_IOPAD(0x54, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad10 */ + OMAP4_IOPAD(0x56, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad11 */ + OMAP4_IOPAD(0x58, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad12 */ + OMAP4_IOPAD(0x5a, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad13 */ + OMAP4_IOPAD(0x5c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad14 */ + OMAP4_IOPAD(0x5e, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad15 */ + + OMAP4_IOPAD(0x60, PIN_OUTPUT | MUX_MODE0) /* gpmc_a16 */ + OMAP4_IOPAD(0x62, PIN_OUTPUT | MUX_MODE0) /* gpmc_a17 */ + OMAP4_IOPAD(0x64, PIN_OUTPUT | MUX_MODE0) /* gpmc_a18 */ + OMAP4_IOPAD(0x66, PIN_OUTPUT | MUX_MODE0) /* gpmc_a19 */ + OMAP4_IOPAD(0x68, PIN_OUTPUT | MUX_MODE0) /* gpmc_a20 */ + OMAP4_IOPAD(0x6a, PIN_OUTPUT | MUX_MODE0) /* gpmc_a21 */ + OMAP4_IOPAD(0x6c, PIN_OUTPUT | MUX_MODE0) /* gpmc_a22 */ + OMAP4_IOPAD(0x6e, PIN_OUTPUT | MUX_MODE0) /* gpmc_a23 */ + + OMAP4_IOPAD(0x82, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* gpmc_noe */ + OMAP4_IOPAD(0x84, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* gpmc_nwe */ + + OMAP4_IOPAD(0x7c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* gpmc_nwp */ + OMAP4_IOPAD(0x80, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* gpmc_nadv_ale */ + OMAP4_IOPAD(0x86, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* gpmc_nbe0_cle */ + OMAP4_IOPAD(0x8a, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0 */ + OMAP4_IOPAD(0x8c, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait1 */ + + OMAP4_IOPAD(0x74, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_ncs0 */ + OMAP4_IOPAD(0x76, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_ncs1 */ + OMAP4_IOPAD(0x92, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_ncs5 */ + >; + }; + + ethernet_pins: ethernet-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x114, PIN_INPUT | MUX_MODE3) /* gpio_121 */ + >; + }; + + tps62361_pins: pinmux-tps62361-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x19c, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpio_182 */ + >; + }; + + mmc1_pins: pinmux-mmc1-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x0e2, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_clk */ + OMAP4_IOPAD(0x0e4, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_cmd */ + OMAP4_IOPAD(0x0e6, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat0 */ + OMAP4_IOPAD(0x0e8, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat1 */ + OMAP4_IOPAD(0x0ea, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat2 */ + OMAP4_IOPAD(0x0ec, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3 */ + >; + }; +}; + +&omap4_pmx_wkup { + pinctrl-names = "default"; + pinctrl-0= <&smartreflex_i2c_pins &fref_xtal_in_pins + &fref_clk3_out_pins &sys_pins>; + + ethernet_wkgpio_pins: pinmux-ethernet-wkup-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x66, PIN_OUTPUT | MUX_MODE3) /* gpio_wk29 */ + >; + }; + + smartreflex_i2c_pins: pinmux-smartreflex-i2c-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x4a, PIN_INPUT_PULLUP | MUX_MODE0) /* sr_scl */ + OMAP4_IOPAD(0x4c, PIN_INPUT_PULLUP | MUX_MODE0) /* sr_sda */ + >; + }; + + fref_xtal_in_pins: pinmux-fref-xtal-in-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x4e, PIN_OUTPUT | MUX_MODE0) /* fref_xtal_in */ + >; + }; + + fref_clk3_out_pins: pinmux-usb-refclk-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x58, PIN_OUTPUT | MUX_MODE0) /* fref_clk3_out */ + >; + }; + + sys_pins: pinmux-sys-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x5e, PIN_INPUT | MUX_MODE0) /* sys_32k */ + OMAP4_IOPAD(0x60, PIN_OUTPUT | MUX_MODE0) /* sys_nrespwron */ + OMAP4_IOPAD(0x62, PIN_OUTPUT | MUX_MODE0) /* sys_nreswarm */ + OMAP4_IOPAD(0x64, PIN_OUTPUT_PULLUP | MUX_MODE0) /* sys_pwr_req */ + OMAP4_IOPAD(0x68, PIN_INPUT | MUX_MODE0) /* sys_boot6 */ + OMAP4_IOPAD(0x6a, PIN_INPUT | MUX_MODE0) /* sys_boot7 */ + >; + }; +}; + +&i2c1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + + clock-frequency = <400000>; + + twl: pmic@48 { + compatible = "ti,twl6030"; + reg = <0x48>; + interrupts = ; /* IRQ_SYS_1N cascaded to gic */ + }; + + core_vdd_reg: regulator@60 { + compatible = "ti,tps62361"; + reg = <0x60>; + + regulator-name = "tps62361-vout"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1500000>; + regulator-coupled-max-spread = <300000>; + regulator-max-step-microvolt = <100000>; + regulator-boot-on; + regulator-always-on; + ti,vsel0-gpio = <&gpio5 22 GPIO_ACTIVE_HIGH>; + ti,vsel0-state-high; + }; + + temperature-sensor@4b { + compatible = "ti,tmp102"; + reg = <0x4b>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_tempsense>; + interrupt-parent = <&gpio5>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + #thermal-sensor-cells = <1>; + }; + + eeprom@50 { + compatible = "atmel,24c32"; + reg = <0x50>; + }; +}; + +#include "twl6030.dtsi" +#include "twl6030_omap4.dtsi" + +&i2c2 { + status = "disabled"; +}; + +&i2c3 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_pins>; + status = "okay"; + + clock-frequency = <100000>; +}; + +&i2c4 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c4_pins>; + status = "disabled"; + + clock-frequency = <400000>; +}; + +&vmmc { + ti,retain-on-reset; +}; + +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; + + vmmc-supply = <&vmmc>; + bus-width = <4>; + status = "okay"; +}; + +&mmc2 { + status = "disabled"; +}; + +&mmc3 { + status = "disabled"; +}; + +&mmc4 { + status = "disabled"; +}; + +&mmc5 { + status = "disabled"; +}; + +&uart1 { + status = "okay"; +}; + +&uart2 { + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins>; + status = "okay"; +}; + +&uart4 { + status = "disabled"; +}; + +&elm { + status = "okay"; +}; + +#include "omap-gpmc-smsc9221.dtsi" + +&gpmc { + ranges = <5 0 0x2c000000 0x01000000>, + <0 0 0x08000000 0x01000000>; + pinctrl-names = "default"; + pinctrl-0 = <&gpmc_pins>; + status = "okay"; + + nandflash: nand@0,0 { + compatible = "ti,omap2-nand"; + reg = <0 0 4>; + interrupt-parent = <&gpmc>; + + nand-bus-width = <16>; + ti,nand-ecc-opt = "bch8"; + ti,elm-id=<&elm>; + linux,mtd-name = "micron,nand"; + gpmc,device-nand = "true"; + gpmc,device-width = <1>; + + gpmc,cs-rd-off-ns = <40>; + gpmc,cs-wr-off-ns = <40>; + gpmc,adv-rd-off-ns = <25>; + gpmc,adv-wr-off-ns = <40>; + gpmc,oe-off-ns = <50>; + gpmc,we-off-ns = <30>; + gpmc,rd-cycle-ns = <75>; + gpmc,wr-cycle-ns = <75>; + gpmc,access-ns = <55>; + gpmc,wr-access-ns = <55>; + gpmc,wait-pin = <0>; + gpmc,wait-on-write = "true"; + gpmc,wait-on-read = "true"; + + #address-cells = <1>; + #size-cells = <1>; + }; + + ethernet@gpmc { + reg = <5 0 0xff>; + + pinctrl-names = "default"; + pinctrl-0 = <ðernet_pins ðernet_wkgpio_pins>; + + /* Either GPIO 103 or GPIO 121. Use 121 to match the reference design */ + interrupt-parent = <&gpio4>; + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; + }; +}; diff --git a/arch/arm/boot/dts/omap4-phytec-pcm-959.dts b/arch/arm/boot/dts/omap4-phytec-pcm-959.dts new file mode 100644 index 000000000000..e1fee183d4c9 --- /dev/null +++ b/arch/arm/boot/dts/omap4-phytec-pcm-959.dts @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022 Innovative Advantage, Inc. + */ +/dts-v1/; + +#include +#include +#include "omap4460.dtsi" +#include "omap4-phytec-pcm-049.dtsi" + +/ { + model = "Phytec PCM-959 Eval Board"; + compatible = "phytec,pcm959", "phytec,pcm049", "ti,omap4460", "ti,omap4"; +}; + +&i2c4 { + status = "okay"; + + leddim: led@62 { + compatible = "nxp,pca9533"; + reg = <0x62>; + + led-1 { + color = ; + linux,default-trigger = "none"; + type = ; + }; + + led-2 { + color = ; + linux,default-trigger = "none"; + type = ; + }; + + led-3 { + color = ; + linux,default-trigger = "none"; + type = ; + }; + + led-4 { + color = ; + linux,default-trigger = "none"; + type = ; + }; + }; +};