// 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>; }; chosen { bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc"; stdout-path = &serial_1; }; fixed-rate-clocks { xxti { compatible = "samsung,clock-xxti"; clock-frequency = <0>; }; xusbxti { compatible = "samsung,clock-xusbxti"; clock-frequency = <24000000>; }; }; }; &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 { 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 { 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>; }; }; &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"; };