[PATCH] ARM: DTS: exynos5250-arndale: Add initial board support file

[Alim Akhtar]

Hi Tushar,

On Thu, Jan 24, 2013 at 11:46 AM, Tushar Behera
<tushar.behera at linaro.org> wrote:
> From: Girish K S <ks.giri at samsung.com>
>
> Arndale is a low cost board based on the Samsung Exynos5250 SoC. This
> patch adds initial device tree support for this board.
>
> Signed-off-by: Girish K S <ks.giri at samsung.com>
> Signed-off-by: Tushar Behera <tushar.behera at linaro.org>
> ---
>  arch/arm/boot/dts/Makefile               |    1 +
>  arch/arm/boot/dts/exynos5250-arndale.dts |  124 ++++++++++++++++++++++++++++++
>  2 files changed, 125 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/boot/dts/exynos5250-arndale.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 5ebb44f..60a9e52 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -44,6 +44,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
>         exynos4210-trats.dtb \
>         exynos4412-smdk4412.dtb \
>         exynos5250-smdk5250.dtb \
> +       exynos5250-arndale.dtb \
>         exynos5250-snow.dtb \
>         exynos5440-ssdk5440.dtb
>  dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
> new file mode 100644
> index 0000000..7504cf3
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts
> @@ -0,0 +1,124 @@
> +/*
> + * Samsung's Exynos5250 based Arndale board device tree source
> + *
> + * Copyright (c) 2012 Samsung Electronics Co., Ltd.
> + *             http://www.samsung.com
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +/dts-v1/;
> +/include/ "exynos5250.dtsi"
> +
> +/ {
> +       model = "Insignal Arndale evaluation board based on EXYNOS5250";
> +       compatible = "insignal,arndale", "samsung,exynos5250";
> +
> +       memory {
> +               reg = <0x40000000 0x80000000>;
> +       };
> +
> +       chosen {
> +               bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
> +       };
> +
> +       i2c at 12C60000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12C70000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12C80000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12C90000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12CA0000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12CB0000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12CC0000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 12CD0000 {
> +               status = "disabled";
> +       };
> +
> +       i2c at 121D0000 {
> +               status = "disabled";
> +       };
> +

Why to disable these i2c devices here? Any particular reason?
You can moves these to exynos5250.dtsi which is suppose to be common
for all the exynos5250 platforms.
Please see the exynos4.dtsi for reference.

> +       dwmmc_0: dwmmc0 at 12200000 {
> +               num-slots = <1>;
> +               supports-highspeed;
> +               broken-cd;
> +               fifo-depth = <0x80>;
> +               card-detect-delay = <200>;
> +               samsung,dw-mshc-ciu-div = <3>;
> +               samsung,dw-mshc-sdr-timing = <2 3>;
> +               samsung,dw-mshc-ddr-timing = <1 2>;
> +
> +               slot at 0 {
> +                       reg = <0>;
> +                       bus-width = <8>;
> +                       gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
> +                               <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
> +                               <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
> +                               <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
> +                               <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
> +               };
> +       };
> +
> +       dwmmc_1: dwmmc1 at 12210000 {
> +               status = "disabled";
> +       };
> +
> +       dwmmc_2: dwmmc2 at 12220000 {
> +               num-slots = <1>;
> +               supports-highspeed;
> +               fifo-depth = <0x80>;
> +               card-detect-delay = <200>;
> +               samsung,dw-mshc-ciu-div = <3>;
> +               samsung,dw-mshc-sdr-timing = <2 3>;
> +               samsung,dw-mshc-ddr-timing = <1 2>;
> +
> +               slot at 0 {
> +                       reg = <0>;
> +                       bus-width = <4>;
> +                       samsung,cd-pinmux-gpio = <&gpc3 2 2 3 3>;
> +                       gpios = <&gpc3 0 2 0 3>, <&gpc3 1 2 0 3>,
> +                               <&gpc3 3 2 3 3>, <&gpc3 4 2 3 3>,
> +                               <&gpc3 5 2 3 3>, <&gpc3 6 2 3 3>,
> +                               <&gpc4 3 3 3 3>, <&gpc4 3 3 3 3>,
> +                               <&gpc4 5 3 3 3>, <&gpc4 6 3 3 3>;
> +               };
> +       };
> +
> +       dwmmc_3: dwmmc3 at 12230000 {
> +               status = "disabled";
> +       };
> +
> +       spi_0: spi at 12d20000 {
> +               status = "disabled";
> +       };
> +
> +       spi_1: spi at 12d30000 {
> +               status = "disabled";
> +       };
> +
> +       spi_2: spi at 12d40000 {
> +               status = "disabled";
> +       };

Same as above.
> +};
> --
> 1.7.4.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



-- 
Regards,
Alim