Messages in this thread Patch in this message |  | | From | Alexandre Courbot <> | Subject | [PATCH] ARM: tegra: roth: Add MMC pwrseq to power wifi on | Date | Mon, 8 Jun 2015 16:41:32 +0900 |
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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@nvidia.com> --- 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 */ -- 2.4.2
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