forked from Minki/linux
62d38099bf
This patch adds stdout-path property to chosen nodes of Exynos4 boards to enable use of earlycon feature without the need to hardcode port number in kernel itself. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
163 lines
2.9 KiB
Plaintext
163 lines
2.9 KiB
Plaintext
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/dts-v1/;
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#include "exynos4412.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 {
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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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g2d@10800000 {
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status = "okay";
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};
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pinctrl@11000000 {
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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 = <3>;
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samsung,pin-pud = <3>;
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samsung,pin-drv = <0>;
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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 = <3>;
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samsung,pin-pud = <0>;
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samsung,pin-drv = <0>;
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};
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};
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keypad@100A0000 {
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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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linux,keypad-wakeup;
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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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sdhci@12530000 {
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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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codec@13400000 {
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samsung,mfc-r = <0x43000000 0x800000>;
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samsung,mfc-l = <0x51000000 0x800000>;
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status = "okay";
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};
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serial@13800000 {
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status = "okay";
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};
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serial@13810000 {
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status = "okay";
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};
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serial@13820000 {
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status = "okay";
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};
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serial@13830000 {
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status = "okay";
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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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