The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that need the reset line to be hold active for several milliseconds.
Signed-off-by: Tomeu Vizoso <[email protected]> --- arch/arm/boot/dts/tegra124-nyan.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 25bbcbe..dbaf261f 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -365,11 +365,19 @@ status = "okay"; }; + sdhci0_pwrseq: sdhci0_pwrseq { + compatible = "mmc,pwrseq-simple"; + + reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>; + delay = <20>; /* ms */ + }; + sdhci@0,700b0000 { /* WiFi/BT on this bus */ status = "okay"; bus-width = <4>; no-1-8-v; non-removable; + mmc-pwrseq = <&sdhci0_pwrseq>; }; sdhci@0,700b0400 { /* SD Card on this bus */ -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
