// 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"; };