Hi!
On Tue, Oct 21, 2014 at 11:15:10AM -0500, dinguyen@xxxxxxxxxxxxxxxxxxxxx wrote:
> From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
>
> Without this patch, the booting the SOCFPGA platform would hang at the
> SDMMC driver loading. The issue, debugged by Doug Anderson, turned out
> to be that the GPIO bank used by the SD card-detect was not set to
> status="okay".
>
> Suggested-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
> ---
> v3: Correctly degugged the issue to be a gpio node not having status="okay"
> ---
> arch/arm/boot/dts/socfpga_cyclone5_socdk.dts | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> index d7296a5..03a3745 100644
> --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> @@ -37,6 +37,12 @@
> */
> ethernet0 = &gmac1;
> };
> +
> + soc {
> + gpio@ff709000 {
> + status = "okay";
> + };
> + };
> };
>
Looks weird. Don't you need to enable the GPIO bank instead:
&gpio1 {
status = "okay";
}
???
Regards,
Steffen
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