forked from Minki/linux
84bd48a04e
Add device nodes for the four instances of dw_mmc controllers in EXYNOS5250 and enable instance 0 and 2 for the SMDK5250 board. Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
170 lines
3.1 KiB
Plaintext
170 lines
3.1 KiB
Plaintext
/*
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* SAMSUNG SMDK5250 board device tree source
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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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/ "exynos5250.dtsi"
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/ {
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model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
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compatible = "samsung,smdk5250", "samsung,exynos5250";
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aliases {
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mshc0 = &dwmmc_0;
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mshc1 = &dwmmc_1;
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mshc2 = &dwmmc_2;
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mshc3 = &dwmmc_3;
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};
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memory {
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reg = <0x40000000 0x80000000>;
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};
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chosen {
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bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
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};
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i2c@12C60000 {
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <20000>;
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gpios = <&gpb3 0 2 3 0>,
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<&gpb3 1 2 3 0>;
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eeprom@50 {
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compatible = "samsung,s524ad0xd1";
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reg = <0x50>;
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};
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};
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i2c@12C70000 {
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <20000>;
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gpios = <&gpb3 2 2 3 0>,
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<&gpb3 3 2 3 0>;
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eeprom@51 {
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compatible = "samsung,s524ad0xd1";
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reg = <0x51>;
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};
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};
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i2c@12C80000 {
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status = "disabled";
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};
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i2c@12C90000 {
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status = "disabled";
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};
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i2c@12CA0000 {
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status = "disabled";
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};
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i2c@12CB0000 {
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status = "disabled";
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};
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i2c@12CC0000 {
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status = "disabled";
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};
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i2c@12CD0000 {
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status = "disabled";
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};
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dwmmc_0: dwmmc0@12200000 {
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num-slots = <1>;
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supports-highspeed;
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broken-cd;
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fifo-depth = <0x80>;
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card-detect-delay = <200>;
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samsung,dw-mshc-ciu-div = <3>;
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samsung,dw-mshc-sdr-timing = <2 3 3>;
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samsung,dw-mshc-ddr-timing = <1 2 3>;
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slot@0 {
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reg = <0>;
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bus-width = <8>;
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gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
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<&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
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<&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
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<&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
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<&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
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};
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};
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dwmmc_1: dwmmc1@12210000 {
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status = "disabled";
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};
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dwmmc_2: dwmmc2@12220000 {
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num-slots = <1>;
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supports-highspeed;
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fifo-depth = <0x80>;
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card-detect-delay = <200>;
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samsung,dw-mshc-ciu-div = <3>;
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samsung,dw-mshc-sdr-timing = <2 3 3>;
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samsung,dw-mshc-ddr-timing = <1 2 3>;
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slot@0 {
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reg = <0>;
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bus-width = <4>;
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samsung,cd-pinmux-gpio = <&gpc3 2 2 3 3>;
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gpios = <&gpc3 0 2 0 3>, <&gpc3 1 2 0 3>,
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<&gpc3 3 2 3 3>, <&gpc3 4 2 3 3>,
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<&gpc3 5 2 3 3>, <&gpc3 6 2 3 3>,
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<&gpc4 3 3 3 3>, <&gpc4 3 3 3 3>,
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<&gpc4 5 3 3 3>, <&gpc4 6 3 3 3>;
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};
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};
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dwmmc_3: dwmmc3@12230000 {
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status = "disabled";
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};
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spi_0: spi@12d20000 {
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status = "disabled";
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};
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spi_1: spi@12d30000 {
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gpios = <&gpa2 4 2 3 0>,
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<&gpa2 6 2 3 0>,
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<&gpa2 7 2 3 0>;
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w25q80bw@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "w25x80";
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reg = <0>;
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spi-max-frequency = <1000000>;
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controller-data {
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cs-gpio = <&gpa2 5 1 0 3>;
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samsung,spi-feedback-delay = <0>;
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};
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partition@0 {
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label = "U-Boot";
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reg = <0x0 0x40000>;
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read-only;
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};
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partition@40000 {
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label = "Kernel";
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reg = <0x40000 0xc0000>;
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};
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};
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};
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spi_2: spi@12d40000 {
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status = "disabled";
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};
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};
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