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Message-ID: <20190717090517.GF3738@dragon>
Date: Wed, 17 Jul 2019 17:05:18 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Oliver Graute <oliver.graute@...il.com>
Cc: 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: Re: [PATCH 2/2] ARM: dts: Add support for i.MX6 UltraLite DART
Variscite Customboard
On Mon, Jun 24, 2019 at 07:40:13PM +0200, Oliver Graute wrote:
> This patch adds DeviceTree Source for the i.MX6 UltraLite DART NAND/WIFI
>
> Signed-off-by: Oliver Graute <oliver.graute@...il.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts | 203 ++++++++++++++++++++++++
> 2 files changed, 204 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 c4742af..5dc3fbf 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -577,6 +577,7 @@ 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 0000000..59354e6
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ul-var-6ulcustomboard.dts
> @@ -0,0 +1,203 @@
> +// 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 = "fsl,6ulcustomboard", "fsl,imx6ul";
The board compatible is documented?
> +
> + backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm1 0 20000>;
> + brightness-levels = <0 4 8 16 32 64 128 255>;
> + default-brightness-level = <6>;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + user {
> + gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_BACK>;
> + gpio-key,wakeup;
> + };
> + };
> +
> + gpio-leds {
> + compatible = "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 = <&sound_master>;
> + simple-audio-card,frame-master = <&sound_master>;
> +
> + sound_master: simple-audio-card,cpu {
> + sound-dai = <&sai2>;
> + };
> + };
> +};
> +
> +&can1 {
> + status = "okay";
> +};
> +
> +&can2 {
> + status = "okay";
> +};
> +
> +&gpc {
> + fsl,cpu_pupscr_sw2iso = <0x2>;
> + fsl,cpu_pupscr_sw = <0x1>;
> + fsl,cpu_pdnscr_iso2sw = <0x1>;
> + fsl,cpu_pdnscr_iso = <0x1>;
> + fsl,ldo-bypass = <0>; /* DCDC, ldo-enable */
These are not supported by mainline kernel, IIRC.
Shawn
> +};
> +
> +&fec1 {
> + phy-mode = "rgmii";
> + phy-reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
> + phy-handle = <ðphy0>;
> + status = "okay";
> +};
> +
> +&fec2 {
> + phy-mode = "rgmii";
> + phy-reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> + phy-handle = <ðphy1>;
> + 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 {
> + #sound-dai-cells = <0>;
> + compatible = "wlf,wm8731";
> + reg = <0x1a>;
> + clocks = <&clks IMX6UL_CLK_SAI2>;
> + clock-names = "mclk";
> + };
> +
> + touchscreen@38 {
> + compatible = "edt,edt-ft5x06";
> + reg = <0x38>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <4 0>;
> + touchscreen-size-x = <800>;
> + touchscreen-size-y = <480>;
> + touchscreen-inverted-x;
> + touchscreen-inverted-y;
> + };
> +
> + 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_dat
> + &pinctrl_lcdif_ctrl>;
> + 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 {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + 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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