mirror of https://gitee.com/openkylin/linux.git
152 lines
2.6 KiB
Plaintext
152 lines
2.6 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Samsung's Exynos4412 based SMDK board device tree source
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*
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* Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Device tree source file for Samsung's SMDK4412 board which is based on
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* Samsung's Exynos4412 SoC.
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*/
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/dts-v1/;
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#include "exynos4412.dtsi"
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#include "exynos-mfc-reserved-memory.dtsi"
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/ {
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model = "Samsung SMDK evaluation board based on Exynos4412";
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compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
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memory@40000000 {
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device_type = "memory";
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reg = <0x40000000 0x40000000>;
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};
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chosen {
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bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
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stdout-path = &serial_1;
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};
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fixed-rate-clocks {
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xxti {
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compatible = "samsung,clock-xxti";
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clock-frequency = <0>;
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};
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xusbxti {
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compatible = "samsung,clock-xusbxti";
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clock-frequency = <24000000>;
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};
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};
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};
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&keypad {
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samsung,keypad-num-rows = <3>;
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samsung,keypad-num-columns = <8>;
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linux,keypad-no-autorepeat;
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wakeup-source;
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pinctrl-0 = <&keypad_rows &keypad_cols>;
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pinctrl-names = "default";
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status = "okay";
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key_1 {
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keypad,row = <1>;
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keypad,column = <3>;
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linux,code = <2>;
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};
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key_2 {
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keypad,row = <1>;
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keypad,column = <4>;
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linux,code = <3>;
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};
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key_3 {
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keypad,row = <1>;
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keypad,column = <5>;
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linux,code = <4>;
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};
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key_4 {
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keypad,row = <1>;
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keypad,column = <6>;
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linux,code = <5>;
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};
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key_5 {
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keypad,row = <1>;
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keypad,column = <7>;
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linux,code = <6>;
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};
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key_A {
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keypad,row = <2>;
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keypad,column = <6>;
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linux,code = <30>;
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};
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key_B {
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keypad,row = <2>;
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keypad,column = <7>;
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linux,code = <48>;
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};
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key_C {
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keypad,row = <0>;
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keypad,column = <5>;
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linux,code = <46>;
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};
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key_D {
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keypad,row = <2>;
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keypad,column = <5>;
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linux,code = <32>;
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};
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key_E {
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keypad,row = <0>;
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keypad,column = <7>;
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linux,code = <18>;
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};
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};
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&pinctrl_1 {
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keypad_rows: keypad-rows {
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samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
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samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
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samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
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samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
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};
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keypad_cols: keypad-cols {
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samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
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"gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
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samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
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samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
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samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
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};
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};
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&sdhci_2 {
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bus-width = <4>;
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pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
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pinctrl-names = "default";
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status = "okay";
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};
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&serial_0 {
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status = "okay";
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};
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&serial_1 {
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status = "okay";
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};
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&serial_2 {
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status = "okay";
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};
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&serial_3 {
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status = "okay";
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};
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