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Subject[PATCHv7 2/3] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard
Date
This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI

Signed-off-by: Oliver Graute <oliver.graute@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Marco Felsch <m.felsch@pengutronix.de>
---
Changelog:

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 | 221 ++++++++++++++++++++++++
2 files changed, 222 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index df2e1f2..65fac53 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -583,6 +583,7 @@ 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..5b88aad
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
@@ -0,0 +1,221 @@
+// 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) 2018-2019 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 {
+ compatible = "pwm-backlight";
+ pwms = <&pwm1 0 20000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ status = "okay";
+ };
+
+ 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";
+ };
+ };
+
+ 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>;
+
+ cpu_dai: simple-audio-card,cpu {
+ sound-dai = <&sai2>;
+ };
+
+ codec_dai: simple-audio-card,codec {
+ sound-dai = <&wm8731>;
+ system-clock-frequency = <12288000>;
+ };
+ };
+};
+
+&adc1 {
+ vref-supply = <&reg_touch_3v3>;
+ status = "okay";
+};
+
+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ status = "okay";
+};
+
+&can2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ status = "okay";
+};
+
+&fec1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet1>;
+ status = "okay";
+};
+
+&fec2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet2>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ 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>;
+ 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 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lcdif>;
+ display = <&display0>;
+ status = "okay";
+
+ display0: display0 {
+ bits-per-pixel = <16>;
+ bus-width = <24>;
+
+ display-timings {
+ native-mode = <&timing0>;
+ timing0: timing0 {
+ clock-frequency =<35000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <40>;
+ hback-porch = <40>;
+ hsync-len = <48>;
+ vback-porch = <29>;
+ vfront-porch = <13>;
+ vsync-len = <3>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <0>;
+ };
+ };
+ };
+};
+
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_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_rtc: rtcgrp {
+ fsl,pins = <
+ MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x1b0b0
+ >;
+ };
+};
--
2.7.4
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