Hello Alexandre,
On Mon, Jun 8, 2015 at 9:41 AM, Alexandre Courbot <acourbot@xxxxxxxxxx> wrote:
> The wifi chip on roth needs to have its reset deasserted in order to be
> probed. Add a mmc-pwrseq-simple to allow this to happen and get wifi
> working at boot time.
>
> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/tegra114-roth.dts | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
> index ea1772a686c2..04762532a178 100644
> --- a/arch/arm/boot/dts/tegra114-roth.dts
> +++ b/arch/arm/boot/dts/tegra114-roth.dts
> @@ -972,6 +972,11 @@
> nvidia,invert-interrupt;
> };
>
> + sdhci0_pwrseq: sdhci0_pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + reset-gpios = <&gpio TEGRA_GPIO(CC, 5) GPIO_ACTIVE_LOW>;
> + };
> +
> /* Wifi */
> sdhci@78000000 {
> status = "okay";
> @@ -979,6 +984,7 @@
> broken-cd;
> keep-power-in-suspend;
> cap-sdio-irq;
> + mmc-pwrseq = <&sdhci0_pwrseq>;
> };
>
> /* SD card */
I'm neither familiar with this board nor have a schematic but the
patch looks good to me.
Reviewed-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Best regards,
Javier
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