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// SPDX-License-Identifier: GPL-2.0
/*
* Samsung's Exynos4412 based SMDK board device tree source
*
* Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Device tree source file for Samsung's SMDK4412 board which is based on
* Samsung's Exynos4412 SoC.
*/
/dts-v1/;
#include "exynos4412.dtsi"
#include "exynos-mfc-reserved-memory.dtsi"
/ {
model = "Samsung SMDK evaluation board based on Exynos4412";
compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
memory@40000000 {
device_type = "memory";
reg = <0x40000000 0x40000000>;
};
aliases {
mmc0 = &sdhci_2;
};
chosen {
bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
stdout-path = "serial1:115200n8";
};
fixed-rate-clocks {
xxti {
compatible = "samsung,clock-xxti";
clock-frequency = <0>;
};
xusbxti {
compatible = "samsung,clock-xusbxti";
clock-frequency = <24000000>;
};
pmic_ap_clk: pmic-ap-clk {
/* Workaround for missing clock on PMIC */
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
};
};
};
&cpu_thermal {
cooling-maps {
cooling_map0: map0 {
/* Corresponds to 800MHz at freq_table */
cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
<&cpu2 7 7>, <&cpu3 7 7>;
};
cooling_map1: map1 {
/* Corresponds to 200MHz at freq_table */
cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
<&cpu2 13 13>, <&cpu3 13 13>;
};
};
};
&keypad {
samsung,keypad-num-rows = <3>;
samsung,keypad-num-columns = <8>;
linux,keypad-no-autorepeat;
wakeup-source;
pinctrl-0 = <&keypad_rows &keypad_cols>;
pinctrl-names = "default";
status = "okay";
key-1 {
keypad,row = <1>;
keypad,column = <3>;
linux,code = <2>;
};
key-2 {
keypad,row = <1>;
keypad,column = <4>;
linux,code = <3>;
};
key-3 {
keypad,row = <1>;
keypad,column = <5>;
linux,code = <4>;
};
key-4 {
keypad,row = <1>;
keypad,column = <6>;
linux,code = <5>;
};
key-5 {
keypad,row = <1>;
keypad,column = <7>;
linux,code = <6>;
};
key-A {
keypad,row = <2>;
keypad,column = <6>;
linux,code = <30>;
};
key-B {
keypad,row = <2>;
keypad,column = <7>;
linux,code = <48>;
};
key-C {
keypad,row = <0>;
keypad,column = <5>;
linux,code = <46>;
};
key-D {
keypad,row = <2>;
keypad,column = <5>;
linux,code = <32>;
};
key-E {
keypad,row = <0>;
keypad,column = <7>;
linux,code = <18>;
};
};
&pinctrl_1 {
keypad_rows: keypad-rows-pins {
samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};
keypad_cols: keypad-cols-pins {
samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
"gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
};
};
&rtc {
clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
clock-names = "rtc", "rtc_src";
};
&sdhci_2 {
bus-width = <4>;
pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
pinctrl-names = "default";
status = "okay";
};
&serial_0 {
status = "okay";
};
&serial_1 {
status = "okay";
};
&serial_2 {
status = "okay";
};
&serial_3 {
status = "okay";
};
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