From 1d1690b85726540c3d2bf0907ce4b30bfec42dc1 Mon Sep 17 00:00:00 2001 From: Tomeu Vizoso Date: Wed, 18 Mar 2015 10:52:21 +0100 Subject: [PATCH] ARM: tegra: Use pwrseq-simple for the wifi in Nyan The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that needs the reset line to be asserted before mmc power up and deasserted afterwards. This patch also adds references to the power supplies of the card so that the regulators are enabled when it's probed. Signed-off-by: Tomeu Vizoso Acked-by: Stephen Warren Reviewed-by: Alexandre Courbot Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra124-nyan.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 579b0b9..d3a95f9 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -207,7 +207,6 @@ regulator-name = "+1.8V_VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - regulator-boot-on; regulator-always-on; }; @@ -364,12 +363,20 @@ status = "okay"; }; + sdhci0_pwrseq: sdhci0_pwrseq { + compatible = "mmc-pwrseq-simple"; + + reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>; + }; + sdhci@0,700b0000 { /* WiFi/BT on this bus */ status = "okay"; - power-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>; bus-width = <4>; no-1-8-v; non-removable; + mmc-pwrseq = <&sdhci0_pwrseq>; + vmmc-supply = <&vdd_3v3_lp0>; + vqmmc-supply = <&vddio_1v8>; }; sdhci@0,700b0400 { /* SD Card on this bus */ -- 2.7.4