179 lines
3.2 KiB
Plaintext
179 lines
3.2 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 init=/linuxrc";
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stdout-path = "serial1:115200n8";
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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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pmic_ap_clk: pmic-ap-clk {
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/* Workaround for missing clock on PMIC */
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <32768>;
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};
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};
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};
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&cpu_thermal {
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cooling-maps {
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cooling_map0: map0 {
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/* Corresponds to 800MHz at freq_table */
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cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
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<&cpu2 7 7>, <&cpu3 7 7>;
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};
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cooling_map1: map1 {
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/* Corresponds to 200MHz at freq_table */
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cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
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<&cpu2 13 13>, <&cpu3 13 13>;
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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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&rtc {
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clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
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clock-names = "rtc", "rtc_src";
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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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