On 08/28/2016 01:21 PM, 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@xxxxxxxxxxx> > --- > .../bindings/arm/samsung/samsung-boards.txt | 3 + > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/exynos4412-itop-elite.dts | 148 +++++++++++++++++++++ > 3 files changed, 152 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..c7159ac 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. > + * 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..5688589 > --- /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@xxxxxxxxxxx> > + * > + * 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 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"; Missing space after = > + stdout-path = &serial_2; Instead of "console=xxxx", put everything here: "serial2:115200n8". > + }; > + > + 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 { > + label = "GPIO Key Home"; > + linux,code = <KEY_HOME>; > + gpios = <&gpx1 1 GPIO_ACTIVE_LOW>; > + }; > + > + back { > + label = "GPIO Key Back"; > + linux,code = <KEY_BACK>; > + gpios = <&gpx1 2 GPIO_ACTIVE_LOW>; > + }; > + > + sleep { > + label = "GPIO Key Sleep"; > + linux,code = <KEY_POWER>; > + gpios = <&gpx3 3 GPIO_ACTIVE_LOW>; > + }; > + > + vol_up { No underscores. Add a name of class to the node names for all keys. Like "key-home", "key-back". > + label = "GPIO Key Vol+"; > + linux,code = <KEY_UP>; > + gpios = <&gpx2 1 GPIO_ACTIVE_LOW>; > + }; > + > + vol_down { > + label = "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"; > + cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>; > + cap-sd-highspeed; > + vmmc-supply = <&ldo23_reg>; > + vqmmc-supply = <&ldo17_reg>; > + status = "okay"; > +}; > + > +&ehci { Alphabetical order. > + 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 { ditto > + status = "okay"; > +}; > + > +&hsotg { ditto > + dr_mode = "peripheral"; > + status = "okay"; > +}; > + > +&serial_1 { > + status = "okay"; > +}; > + > +&serial_2 { > + status = "okay"; > +}; > + > +&pwm { ditto > + pinctrl-0 = <&pwm1_out>; > + pinctrl-names = "default"; > + samsung,pwm-outputs = <1>; > + status = "okay"; > +}; > + > +&adc { ditto Best regards, Krzysztof > + vdd-supply = <&ldo3_reg>; > + status = "okay"; > +}; > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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