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Date: Fri, 1 Dec 2017 09:56:59 +0100
From: Neil Armstrong <narmstrong@...libre.com>
To: Shawn Guo <shawnguo@...nel.org>
Cc: kernel@...gutronix.de, fabio.estevam@....com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 5/6] ARM: dts: imx6q: Add Variscite DART-MX6
Carrier-board support
Hi Shawn,
On 30/11/2017 01:43, Shawn Guo wrote:
> On Wed, Nov 29, 2017 at 11:20:56AM +0100, Neil Armstrong wrote:
>> This patch adds support for the i.MX6 Quad variant of the Variscite DART-MX6
>> SoM Carrier-Board.
>>
>> This Carrier-Board has the following :
>> - LVDS interface for the VLCD-CAP-GLD-LVDS 7" LCD 800 x 480 touch display
>> - HDMI Connector
>> - USB Host + USB OTG Connector
>> - 10/100/1000 Mbps Ethernet
>> - miniPCI-Express slot
>> - SD Card connector
>> - Audio Headphone/Line In jack connectors
>> - On-board DMIC
>> - CAN bus header
>> - SPI header
>> - Camera Interfaces header
>> - 4xButtons, 2xLeds
>> - OnBoard RTC with Coin Backup battery socket
>> - RS232 Header + USB-Serial debug port
>>
>> Product Page : http://www.variscite.com/products/evaluation-kits/dart-mx6-kits
>>
>> The board support is done with all on-board and header interfaces enabled.
>> 7" LVDS Touchscreen is enabled by default along HDMI output.
>> Audio interface is supported with the "simple-card" bindings.
>>
>> PCIe slot, On-Board DMIC and Camera Interfaces are not handled yet.
>>
>> Reviewed-by: Fabio Estevam <fabio.estevam@....com>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
>> ---
>> arch/arm/boot/dts/Makefile | 1 +
>> arch/arm/boot/dts/imx6q-var-dt6customboard.dts | 239 +++++++++++++++++++++++++
>> 2 files changed, 240 insertions(+)
>> create mode 100644 arch/arm/boot/dts/imx6q-var-dt6customboard.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index d0381e9..148ff15 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -470,6 +470,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>> imx6q-tx6q-11x0-mb7.dtb \
>> imx6q-udoo.dtb \
>> imx6q-utilite-pro.dtb \
>> + imx6q-var-dt6customboard.dtb \
>> imx6q-wandboard.dtb \
>> imx6q-wandboard-revb1.dtb \
>> imx6q-wandboard-revd1.dtb \
>> diff --git a/arch/arm/boot/dts/imx6q-var-dt6customboard.dts b/arch/arm/boot/dts/imx6q-var-dt6customboard.dts
>> new file mode 100644
>> index 0000000..76faaff
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/imx6q-var-dt6customboard.dts
>> @@ -0,0 +1,239 @@
>> +/*
>> + * Support for Variscite DART-MX6 Carrier-board
>> + *
>> + * Copyright 2017 BayLibre, SAS
>> + * Author: Neil Armstrong <narmstrong@...libre.com>
>> + *
>> + * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "imx6q.dtsi"
>> +#include "imx6qdl-var-dart.dtsi"
>> +#include <dt-bindings/input/linux-event-codes.h>
>> +
>> +/ {
>> + model = "Variscite DART-MX6 Carrier-board";
>> + compatible = "variscite,dt6customboard", "fsl,imx6q";
>> +
>> + backlight_lvds: backlight {
>> + compatible = "pwm-backlight";
>> + pwms = <&pwm2 0 50000>;
>> + brightness-levels = <0 4 8 16 32 64 128 248>;
>> + default-brightness-level = <7>;
>> + status = "okay";
>> + };
>> +
>> + gpio-keys {
>> + compatible = "gpio-keys";
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + autorepeat;
>> +
>> + back {
>> + gpios = <&gpio4 26 GPIO_ACTIVE_LOW>;
>> + linux,code = <KEY_BACK>;
>> + label = "Key Back";
>> + linux,input-type = <1>;
>> + debounce-interval = <100>;
>> + gpio-key,wakeup;
>
> The gpio-key,wakeup is legacy one. Use wakeup-source instead.
Fixed
>
>> + };
>> +
>> + home {
>> + gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
>> + linux,code = <KEY_HOME>;
>> + label = "Key Home";
>> + linux,input-type = <1>;
>> + debounce-interval = <100>;
>> + gpio-key,wakeup;
>> + };
>> +
>> + menu {
>> + gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
>> + linux,code = <KEY_MENU>;
>> + label = "Key Menu";
>> + linux,input-type = <1>;
>> + debounce-interval = <100>;
>> + gpio-key,wakeup;
>> + };
>> + };
>> +
>> + gpio-leds {
>> + compatible = "gpio-leds";
>> +
>> + led1 {
>> + gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
>> + linux,default-trigger = "heartbeat";
>> + };
>> +
>> + led2 {
>> + gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
>> + linux,default-trigger = "default-on";
>> + };
>> + };
>> +
>> + panel1: lvds-panel {
>> + compatible = "sgd,gktw70sdae4se", "panel-lvds";
>> + backlight = <&backlight_lvds>;
>> +
>> + width-mm = <153>;
>> + height-mm = <86>;
>> +
>> + label = "gktw70sdae4se";
>> +
>
> Nit: these lines in middle of property list is not really necessary.
> Can we drop them?
Dropped
Thanks,
Neil
>
> Shawn
>
>> + data-mapping = "jeida-18";
>> +
>> + panel-timing {
>> + clock-frequency = <32000000>;
>> + hactive = <800>;
>> + vactive = <480>;
>> + hback-porch = <39>;
>> + hfront-porch = <39>;
>> + vback-porch = <29>;
>> + vfront-porch = <13>;
>> + hsync-len = <47>;
>> + vsync-len = <2>;
>> + };
>> +
>> + port {
>> + panel_in: endpoint {
>> + remote-endpoint = <&lvds1_out>;
>> + };
>> + };
>> + };
>> +
>> + reg_usb_h1_vbus: regulator-usbh1vbus {
>> + compatible = "regulator-fixed";
>> + regulator-name = "usb_h1_vbus";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
>> + enable-active-high;
>> + };
>> +
>> + reg_usb_otg_vbus: regulator-usbotgvbus {
>> + compatible = "regulator-fixed";
>> + regulator-name = "usb_otg_vbus";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
>> + enable-active-high;
>> + };
>> +
>> + sound {
>> + compatible = "simple-audio-card";
>> + simple-audio-card,name = "dt6-customboard-audio";
>> + simple-audio-card,format = "i2s";
>> + simple-audio-card,bitclock-master = <&sound_codec>;
>> + simple-audio-card,frame-master = <&sound_codec>;
>> + simple-audio-card,widgets = "Headphone", "Headphone Jack",
>> + "Line", "Line In";
>> + simple-audio-card,routing = "Headphone Jack", "HPLOUT",
>> + "Headphone Jack", "HPROUT",
>> + "LINE1L", "Line In",
>> + "LINE1R", "Line In";
>> +
>> + sound_cpu: simple-audio-card,cpu {
>> + sound-dai = <&ssi2>;
>> + };
>> +
>> + sound_codec: simple-audio-card,codec {
>> + sound-dai = <&codec>;
Changed with <&tlv320aic3106> here.
>> + clocks = <&clks IMX6QDL_CLK_CKO>;
>> + };
>> + };
>> +};
>> +
>> +&can1 {
>> + status = "okay";
>> +};
>> +
>> +&ecspi1 {
>> + cs-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>,
>> + <&gpio4 10 GPIO_ACTIVE_HIGH>;
>> + status = "okay";
>> +};
>> +
>> +&fec {
>> + status = "okay";
>> + phy-mode = "rgmii";
>> + phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
>> +};
>> +
>> +&hdmi {
>> + status = "okay";
>> +};
>> +
>> +&i2c1 {
>> + clock-frequency = <100000>;
>> + status = "okay";
>> +};
>> +
>> +&i2c3 {
>> + clock-frequency = <100000>;
>> + status = "okay";
>> +
>> + touchscreen@38 {
>> + compatible = "edt,edt-ft5x06";
>> + reg = <0x38>;
>> + interrupt-parent = <&gpio1>;
>> + interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
>> + touchscreen-size-x = <800>;
>> + touchscreen-size-y = <480>;
>> + touchscreen-inverted-x;
>> + touchscreen-inverted-y;
>> + };
>> +
>> + rtc@68 {
>> + compatible = "isil,isl12057";
>> + reg = <0x68>;
>> + };
>> +};
>> +
>> +&ldb {
>> + status = "okay";
>> +
>> + lvds-channel@1 {
>> + status = "okay";
>> +
>> + port@4 {
>> + reg = <4>;
>> +
>> + lvds1_out: endpoint {
>> + remote-endpoint = <&panel_in>;
>> + };
>> + };
>> + };
>> +};
>> +
>> +&pwm2 {
>> + status = "okay";
>> +};
>> +
>> +&uart1 {
>> + status = "okay";
>> +};
>> +
>> +&uart3 {
>> + status = "okay";
>> +};
>> +
>> +&usbh1 {
>> + vbus-supply = <®_usb_h1_vbus>;
>> + status = "okay";
>> +};
>> +
>> +&usbotg {
>> + vbus-supply = <®_usb_otg_vbus>;
>> + dr_mode = "otg";
>> + srp-disable;
>> + hnp-disable;
>> + adp-disable;
>> + status = "okay";
>> +};
>> +
>> +&usdhc2 {
>> + cd-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
>> + status = "okay";
>> +};
>> --
>> 2.7.4
>>
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