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Message-ID: <20160823181402.GA6302@rob-hp-laptop>
Date: Tue, 23 Aug 2016 13:14:02 -0500
From: Rob Herring <robh@...nel.org>
To: Randy Li <ayaka@...lik.info>
Cc: devicetree@...r.kernel.org, mark.rutland@....com,
linux@...linux.org.uk, kgene@...nel.org, krzk@...nel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: add TOPEET itop elite based board
On Mon, Aug 22, 2016 at 10:18:09PM +0800, Randy Li wrote:
> The TOPEET itop exynos 4412 have three versions base board. The
> Elite version is the cheap one without too much peripheral devices
> on it.
>
> Currently supported are serial console, wired networking(USB),
> USB OTG in peripheral mode, USB host, SD storage, GPIO buttons,
> PWM beeper, ADC and LEDs.
>
> Signed-off-by: Randy Li <ayaka@...lik.info>
> ---
> .../bindings/arm/samsung/samsung-boards.txt | 3 +
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/exynos4412-itop-elite.dts | 147 +++++++++++++++++++++
> 3 files changed, 151 insertions(+)
> create mode 100644 arch/arm/boot/dts/exynos4412-itop-elite.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> index 0ea7f14..c5913ba 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
> @@ -22,6 +22,9 @@ Required root node properties:
> * FriendlyARM
> - "friendlyarm,tiny4412" - for Exynos4412-based FriendlyARM
> TINY4412 board.
> + * Topee
Topeet?
> + - "topeet,itop4412-elite" - for Exynos4412-based Topeet
> + Elite base board.
>
> * Google
> - "google,pi" - for Exynos5800-based Google Peach Pi
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 48e1d4e..8f47aa0 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -135,6 +135,7 @@ dtb-$(CONFIG_ARCH_EXYNOS4) += \
> exynos4412-origen.dtb \
> exynos4412-smdk4412.dtb \
> exynos4412-tiny4412.dtb \
> + exynos4412-itop-elite.dtb \
> exynos4412-trats2.dtb
> dtb-$(CONFIG_ARCH_EXYNOS5) += \
> exynos5250-arndale.dtb \
> diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> new file mode 100644
> index 0000000..3e0863b
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts
> @@ -0,0 +1,147 @@
> +/*
> + * TOPEET's Exynos4412 based itop board device tree source
> + *
> + * Copyright (c) 2016 SUMOMO Computer Association
> + * https://www.sumomo.mobi
> + * Randy Li <ayaka@...lik.info>
> + *
> + * Device tree source file for TOPEET iTop Exynos 4412 core board
> + * which is based on Samsung's Exynos4412 SoC.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +/dts-v1/;
> +#include "exynos4412-itop-scp-core.dtsi"
> +
> +/ {
> + model = "TOPEET iTop 4412 Elite board based on Exynos4412";
> + compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
> +
> + chosen {
> + bootargs ="console=ttySAC2,115200";
Don't need console set with...
> + stdout-path = &serial_2;
this set.
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led2 {
> + label = "red:system";
> + gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led3 {
> + label = "red:user";
> + gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + home {
> + lable = "GPIO Key Home";
s/lable/label/
> + linux,code = <KEY_HOME>;
> + gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
> + };
> +
> + back {
> + lable = "GPIO Key Back";
ditto...
> + linux,code = <KEY_BACK>;
> + gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
> + };
> +
> + sleep {
> + lable = "GPIO Key Sleep";
> + linux,code = <KEY_POWER>;
> + gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
> + };
> +
> + vol_up {
> + lable = "GPIO Key Vol+";
> + linux,code = <KEY_UP>;
> + gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
> + };
> +
> + vol_down {
> + lable = "GPIO Key Vol-";
> + linux,code = <KEY_DOWN>;
> + gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + beep {
> + compatible = "pwm-beeper";
> + pwms = <&pwm>;
> + pinctrl-0 = <&pwm0_out>;
> + pinctrl-names = "default";
> + };
> +};
> +
> +&pinctrl_1 {
> + ether-reset {
> + samsung,pins = "gpc0-1";
> + samsung,pin-function = <1>;
> + samsung,pin-pud = <0>;
> + samsung,pin-drv = <0>;
> + };
> +};
> +
> +&sdhci_2 {
> + bus-width = <4>;
> + pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
> + pinctrl-names = "default";
> + broken-cd;
> + cap-sd-highspeed;
> + vmmc-supply = <&ldo23_reg>;
> + vqmmc-supply = <&ldo17_reg>;
> + status = "okay";
> +};
> +
> +&ehci {
> + status = "okay";
> + /* In order to reset USB ethernet */
> + samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
> +
> + port@0 {
> + status = "okay";
> + };
> +
> + port@2 {
> + status = "okay";
> + };
> +};
> +
> +&exynos_usbphy {
> + status = "okay";
> +};
> +
> +&hsotg {
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> +
> +&serial_1 {
> + status = "okay";
> +};
> +
> +&serial_2 {
> + status = "okay";
> +};
> +
> +&pwm {
> + pinctrl-0 = <&pwm1_out>;
> + pinctrl-names = "default";
> + samsung,pwm-outputs = <1>;
> + status = "okay";
> +};
> +
> +&adc {
> + status = "okay";
> +};
> --
> 2.7.4
>
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