[U-Boot] [PATCH v2 1/2] Tegra: fdt: Add/enhance sdhci (mmc) nodes for all T20 DT files

Tom Warren twarren.nvidia at gmail.com
Tue Feb 12 21:52:05 CET 2013


Stephen,

On Tue, Feb 12, 2013 at 1:29 PM, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 02/11/2013 10:17 AM, Tom Warren wrote:
>> Linux dts files were used for those boards that didn't already
>> have sdhci info populated. Tamonten has their own dtsi file with
>> common sdhci nodes (sourced from Linux).
>
>> diff --git a/board/nvidia/dts/tegra20-seaboard.dts b/board/nvidia/dts/tegra20-seaboard.dts
>
>>       sdhci at c8000400 {
>> +             status = "okay";
>>               cd-gpios = <&gpio 69 0>; /* gpio PI5 */
>>               wp-gpios = <&gpio 57 0>; /* gpio PH1 */
>> -             power-gpios = <&gpio 70 0>; /* gpio PI6 */
>> +             power-gpios = <&gpio 70 3>; /* gpio PI6 */
>> +             bus-width = <4>;
>>       };
>
> The "3" for the power-gpios flags looks odd, and doesn't match the
> kernel. The binding only defines bit 0 for inverted, and doesn't define
> bit 1.
That came from our internal U-Boot repo - don't know why it's setting
it as an output and asserted and no other Seaboard DT file does. I'll
look into it.

Thanks


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