linux-kernel - [PATCHv7 2/3] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard

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Message-Id: <1573586526-15007-3-git-send-email-oliver.graute@gmail.com>
Date:   Tue, 12 Nov 2019 20:22:02 +0100
From:   Oliver Graute <oliver.graute@...il.com>
To:     shawnguo@...nel.org
Cc:     oliver.graute@...il.com, m.felsch@...gutronix.de,
        narmstrong@...libre.com, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCHv7 2/3] ARM: dts: Add support for i.MX6 UltraLite DART Variscite Customboard

This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI

Signed-off-by: Oliver Graute <oliver.graute@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Neil Armstrong <narmstrong@...libre.com>
Cc: Marco Felsch <m.felsch@...gutronix.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@...il.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