Re: [PATCH v9 2/3] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard
From: Shawn Guo <shawnguo@kernel.org>
Date: 2021-03-07 13:04:13
On Sun, Feb 14, 2021 at 02:13:49PM +0100, Oliver Graute wrote:
quoted hunk ↗ jump to hunk
This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI Signed-off-by: Oliver Graute <redacted> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Neil Armstrong <redacted> Cc: Marco Felsch <redacted> Cc: Parthiban Nallathambi <redacted> --- Changelog: v9: - removed display-timing node - added 5V power supply for display - added assigned clocks for display v8: - backlight droped the status line - port the display panel - added pinctrl for touch v7: - fixed wakeup-source v6: - added some muxing - added codec in sound node - added adc1 node arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts | 255 ++++++++++++++++++++++++ 2 files changed, 256 insertions(+) create mode 100644 arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dtsdiff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index ce66ffd..9f72446 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile@@ -626,6 +626,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \ imx6ul-tx6ul-0010.dtb \ imx6ul-tx6ul-0011.dtb \ imx6ul-tx6ul-mainboard.dtb \ + imx6ul-var-6ulcustomboard.dtb \ imx6ull-14x14-evk.dtb \ imx6ull-colibri-eval-v3.dtb \ imx6ull-colibri-wifi-eval-v3.dtb \diff --git a/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts new file mode 100644 index 00000000..bf18888 --- /dev/null +++ b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts@@ -0,0 +1,255 @@ +// SPDX-License-Identifier: (GPL-2.0) +/* + * Support for Variscite DART-6UL Module + * + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2015-2016 Variscite Ltd. - http://www.variscite.com + * Copyright (C) 2018-2021 Oliver Graute <oliver.graute@gmail.com> + */ + +/dts-v1/; + +#include <dt-bindings/input/input.h> +#include "imx6ul-imx6ull-var-dart-common.dtsi" + +/ { + model = "Variscite i.MX6 UltraLite Carrier-board"; + compatible = "variscite,6ulcustomboard", "fsl,imx6ul"; + + backlight_lcd: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm1 0 20000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + status = "okay";
We use 'okay' status to flip 'disabled' devices. It's not needed here.
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_keys>;
+
+ user {
+ gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_BACK>;
+ wakeup-source;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_leds>;
+
+ d16-led {
+ gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ panel1: panel-lcd {
+ compatible = "sgd,gktw70sdad1sd";Unsupported/undocumented compatible?
+
Unnecessary newline.
+ backlight = <&backlight_lcd>; + label = "gktw70sdad1sd";
What is 'label' for?
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&lcdif_out>;
+ };
+ };
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "wm8731audio";
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Line", "Line Jack",
+ "Microphone", "Mic Jack";
+ simple-audio-card,routing =
+ "Headphone Jack", "RHPOUT",
+ "Headphone Jack", "LHPOUT",
+ "LLINEIN", "Line Jack",
+ "RLINEIN", "Line Jack",
+ "MICIN", "Mic Bias",
+ "Mic Bias", "Mic Jack";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,bitclock-master = <&codec_dai>;
+ simple-audio-card,frame-master = <&codec_dai>;
+
+ codec_dai: simple-audio-card,codec {
+ sound-dai = <&wm8731>;
+ system-clock-frequency = <12288000>;
+ };
+ };
+};
+
+&adc1 {
+ status = "okay";
+};
+
+&can1 {
+ status = "okay";
+};
+
+&can2 {
+ status = "okay";
+};
+
+&fec1 {
+ status = "okay";
+};
+
+&fec2 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&i2c2 {
+ clock_frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ wm8731: audio-codec@1a {
+ compatible = "wlf,wm8731";
+ reg = <0x1a>;
+ #sound-dai-cells = <0>;
+ clocks = <&clks IMX6UL_CLK_SAI2>;
+ clock-names = "mclk";
+ };
+
+ touchscreen@38 {
+ compatible = "edt,edt-ft5x06";
+ reg = <0x38>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <4 IRQ_TYPE_NONE>;
+ touchscreen-size-x = <800>;
+ touchscreen-size-y = <480>;
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ wakeup-source;
+ };
+
+ rtc@68 {
+ compatible = "dallas,ds1337";
+ reg = <0x68>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rtc>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ };
+};
+
+&lcdif {
+ assigned-clocks = <&clks IMX6UL_CLK_LCDIF_PRE_SEL>;
+ assigned-clock-parents = <&clks IMX6UL_CLK_PLL5_VIDEO_DIV>;
+ pinctrl-names = "default";
+ power-supply = <®_5v0>;
+ pinctrl-0 = <&pinctrl_lcdif>;
+ status = "okay";
+
+ port {
+ lcdif_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1>;
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&usbotg1 {
+ disable-over-current;
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbotg2 {
+ disable-over-current;
+ dr_mode = "host";
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_gpio_keys: gpio_keysgrp {gpiokeysgrp maybe? We do not recommend underscore in node name. Hyphen is preferred. Shawn
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x17059
+ >;
+ };
+
+ pinctrl_gpio_leds: gpioledsgrp {
+ fsl,pins = <
+ MX6UL_PAD_CSI_HSYNC__GPIO4_IO20 0x1b0b0
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0
+ MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0
+ >;
+ };
+
+ pinctrl_lcdif: lcdif {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79
+ MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79
+ MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79
+ MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79
+ MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79
+ MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79
+ MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79
+ MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79
+ MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79
+ MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
+ MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
+ MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
+ MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
+ MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
+ MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
+ MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
+ MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
+ MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
+ MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79
+ MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79
+ >;
+ };
+
+ pinctrl_rtc: rtcgrp {
+ fsl,pins = <
+ MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0
+ >;
+ };
+
+ pinctrl_touch: touchgrp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x80000000
+ >;
+ };
+
+};
--
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