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Message-Id: <1471809893-31147-3-git-send-email-ayaka@soulik.info>
Date: Mon, 22 Aug 2016 04:04:53 +0800
From: Randy Li <ayaka@...lik.info>
To: devicetree@...r.kernel.org
Cc: robh+dt@...nel.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,
Randy Li <ayaka@...lik.info>
Subject: [PATCH 2/2] ARM: dts: add TOPEET itop elite based board
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 | 148 +++++++++++++++++++++
arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi | 2 +-
4 files changed, 153 insertions(+), 1 deletion(-)
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,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..363908e
--- /dev/null
+++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts
@@ -0,0 +1,148 @@
+/*
+ * 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";
+ stdout-path = &serial_2;
+ };
+
+ 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";
+ linux,code = <KEY_HOME>;
+ gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
+ };
+
+ back {
+ lable = "GPIO Key Back";
+ 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";
+};
diff --git a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
index 0860ee6..040037b 100644
--- a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
+++ b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
@@ -394,7 +394,7 @@
samsung,pins = "gpm2-4";
samsung,pin-function = <1>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <3>;
+ samsung,pin-drv = <0>;
};
};
--
2.7.4
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