From 1d278204cbaa125fc8290fad4d3f46edd17f8f6d Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Sun, 28 Feb 2021 21:13:18 +0530 Subject: [PATCH] ARM: dts: stm32: Add Engicam MicroGEA STM32MP1 MicroDev 2.0 7" OF 7" OF is a capacitive touch 7" Open Frame panel solutions with - 7" AUO B101AW03 LVDS panel - EDT, FT5526 Touch MicroGEA STM32MP1 is a STM32MP157A based Micro SoM. MicroDev 2.0 is a general purpose miniature carrier board with CAN, LTE and LVDS panel interfaces. MicroGEA STM32MP1 needs to mount on top of MicroDev 2.0 board with pluged 7" OF for creating complete MicroGEA STM32MP1 MicroDev 2.0 7" Open Frame Solution board. Add support for it. Signed-off-by: Matteo Lisi Signed-off-by: Francesco Utel Signed-off-by: Mirko Ardinghi Signed-off-by: Jagan Teki Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/Makefile | 1 + ...157a-microgea-stm32mp1-microdev2.0-of7.dts | 154 ++++++++++++++++++ 2 files changed, 155 insertions(+) create mode 100644 arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index cf38da2b02dd2..609712a26a863 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1077,6 +1077,7 @@ dtb-$(CONFIG_ARCH_STM32) += \ stm32mp157a-dk1.dtb \ stm32mp157a-iot-box.dtb \ stm32mp157a-microgea-stm32mp1-microdev2.0.dtb \ + stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dtb \ stm32mp157a-stinger96.dtb \ stm32mp157c-dhcom-pdk2.dtb \ stm32mp157c-dhcom-picoitx.dtb \ diff --git a/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts new file mode 100644 index 0000000000000..674b2d330dc41 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (c) STMicroelectronics 2019 - All Rights Reserved + * Copyright (c) 2020 Engicam srl + * Copyright (c) 2020 Amarula Solutons(India) + */ + +/dts-v1/; +#include "stm32mp157.dtsi" +#include "stm32mp157a-microgea-stm32mp1.dtsi" +#include "stm32mp15-pinctrl.dtsi" +#include "stm32mp15xxaa-pinctrl.dtsi" +#include + +/ { + model = "Engicam MicroGEA STM32MP1 MicroDev 2.0 7\" Open Frame"; + compatible = "engicam,microgea-stm32mp1-microdev2.0-of7", + "engicam,microgea-stm32mp1", "st,stm32mp157"; + + aliases { + serial0 = &uart4; + serial1 = &uart8; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; + default-on; + }; + + lcd_3v3: regulator-lcd-3v3 { + compatible = "regulator-fixed"; + regulator-name = "lcd_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpiof 10 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-always-on; + power-supply = <&panel_pwr>; + }; + + panel_pwr: regulator-panel-pwr { + compatible = "regulator-fixed"; + regulator-name = "panel_pwr"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpiob 10 GPIO_ACTIVE_HIGH>; + regulator-always-on; + }; + + panel { + compatible = "auo,b101aw03"; + backlight = <&backlight>; + enable-gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>; + power-supply = <&lcd_3v3>; + + port { + panel_in: endpoint { + remote-endpoint = <<dc_ep0_out>; + }; + }; + }; +}; + +&i2c2 { + i2c-scl-falling-time-ns = <20>; + i2c-scl-rising-time-ns = <185>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c2_pins_a>; + pinctrl-1 = <&i2c2_sleep_pins_a>; + status = "okay"; +}; + +<dc { + pinctrl-names = "default"; + pinctrl-0 = <<dc_pins>; + status = "okay"; + + port { + ltdc_ep0_out: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_in>; + }; + }; +}; + +&pinctrl { + ltdc_pins: ltdc { + pins { + pinmux = , /* LTDC_B2 */ + , /* LTDC_R6 */ + , /* LTDC_R5 */ + , /* LTDC_B3 */ + , /* LTDC_B0 */ + , /* LTDC_G0 */ + , /* LTDC_G1 */ + , /* LTDC_DE */ + , /* LTDC_R7 */ + , /* LTDC_CLK */ + , /* LTDC_B1 */ + , /* LTDC_R0 */ + , /* LTDC_R1 */ + , /* LTDC_R2 */ + , /* LTDC_R3 */ + , /* LTDC_R4 */ + , /* LTDC_G2 */ + , /* LTDC_G3 */ + , /* LTDC_G4 */ + , /* LTDC_G5 */ + , /* LTDC_G6 */ + , /* LTDC_G7 */ + , /* LTDC_B4 */ + , /* LTDC_B5 */ + , /* LTDC_B6 */ + , /* LTDC_B7 */ + , /* LTDC_VSYNC */ + ; /* LTDC_HSYNC */ + bias-disable; + drive-push-pull; + slew-rate = <3>; + }; + }; +}; + +&sdmmc1 { + bus-width = <4>; + disable-wp; + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc1_b4_pins_a>; + pinctrl-1 = <&sdmmc1_b4_od_pins_a>; + pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; + st,neg-edge; + vmmc-supply = <&vdd>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default", "sleep", "idle"; + pinctrl-0 = <&uart4_pins_a>; + pinctrl-1 = <&uart4_sleep_pins_a>; + pinctrl-2 = <&uart4_idle_pins_a>; + status = "okay"; +}; + +/* J31: RS323 */ +&uart8 { + pinctrl-names = "default"; + pinctrl-0 = <&uart8_pins_a>; + status = "okay"; +}; -- 2.30.2