[PATCH v2] ARM: dts: vf610-twr: Add support for sdhc1
Shawn Guo
shawn.guo at linaro.org
Wed Mar 5 00:33:49 EST 2014
On Mon, Mar 03, 2014 at 05:29:33PM +0200, Stoica Cosmin Stefan wrote:
> From: Cosmin Stoica <cosminstefan.stoica at freescale.com>
>
> The kernel was not able to boot from SD card because sdhc support
> was not present into the dts.
>
> A new entry for sdhc1 was added for vf610-twr board based on the
> compatible entry present on imx53.
>
> After applying these changes, the kernel is able to boot successfully
> from SD card.
>
> Changes v1-v2:
> According to Shawn Guo's comments:
> - moved esdhc1 node before fec0 in board dts file;
> - reformatted clocks line;
> - removed duplicate property (bus-width) in dtsi file.
>
> Signed-off-by: Cosmin Stoica <cosminstefan.stoica at freescale.com>
> Signed-off-by: Chircu Bogdan <Bogdan.Chircu at freescale.com>
> ---
> arch/arm/boot/dts/vf610-twr.dts | 8 ++++++++
> arch/arm/boot/dts/vf610.dtsi | 11 +++++++++++
> 2 files changed, 19 insertions(+)
>
> diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
> index 7dd1d6e..e77c98e 100644
> --- a/arch/arm/boot/dts/vf610-twr.dts
> +++ b/arch/arm/boot/dts/vf610-twr.dts
> @@ -111,6 +111,13 @@
> };
> };
>
> +&esdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_esdhc1_1>;
Please base the patch on my for-next branch below, where stuff
like pinctrl_esdhc1_1 have gone into board dts.
git://git.linaro.org/people/shawnguo/linux-2.6.git for-next
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> &fec0 {
> phy-mode = "rmii";
> pinctrl-names = "default";
> @@ -227,3 +234,4 @@
> pinctrl-0 = <&pinctrl_uart1>;
> status = "okay";
> };
> +
You shouldn't add this new line.
Shawn
> diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
> index c63d26d..70de377 100644
> --- a/arch/arm/boot/dts/vf610.dtsi
> +++ b/arch/arm/boot/dts/vf610.dtsi
> @@ -344,6 +344,17 @@
> status = "disabled";
> };
>
> + esdhc1: esdhc at 400b2000 {
> + compatible = "fsl,imx53-esdhc";
> + reg = <0x400b2000 0x4000>;
> + interrupts = <0 28 0x04>;
> + clocks = <&clks VF610_CLK_IPG_BUS>,
> + <&clks VF610_CLK_PLATFORM_BUS>,
> + <&clks VF610_CLK_ESDHC1>;
> + clock-names = "ipg", "ahb", "per";
> + status = "disabled";
> + };
> +
> fec0: ethernet at 400d0000 {
> compatible = "fsl,mvf600-fec";
> reg = <0x400d0000 0x1000>;
> --
> 1.7.9.5
>
>
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