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Date: Fri, 18 Sep 2015 13:32:05 +0100 From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org> To: agross@...eaurora.org, linux-arm-msm@...r.kernel.org Cc: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Russell King <linux@....linux.org.uk>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, srinivas.kandagatla@...aro.org Subject: [PATCH 12/14] ARM: dts: qs600: add pwrseq support to WLAN Add pwrseq support to sdcc4 which would enable a proper reset of WLAN without ugly hacks in the board support file. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org> --- arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts | 32 +++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts index 8aac3be..cc9d942 100644 --- a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts +++ b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts @@ -1,4 +1,6 @@ #include "qcom-apq8064-v2.0.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h> / { model = "CompuLab CM-QS600"; @@ -12,6 +14,20 @@ stdout-path = "serial0:115200n8"; }; + pwrseq { + #address-cells = <1>; + #size-cells = <1>; + ranges; + compatible = "simple-bus"; + + sdcc4_pwrseq: sdcc4_pwrseq { + pinctrl-names = "default"; + pinctrl-0 = <&wlan_default_gpios>; + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&pm8921_gpio 43 GPIO_ACTIVE_LOW>; + }; + }; + soc { rpm@...000 { regulators { @@ -154,6 +170,21 @@ regulator-always-on; }; + qcom,ssbi@...000 { + pmic@0 { + gpio@150 { + wlan_default_gpios: wlan-gpios { + pios { + pins = "gpio43"; + function = "normal"; + bias-disable; + power-source = <PM8921_GPIO_S4>; + }; + }; + }; + }; + }; + amba { /* eMMC */ sdcc1: sdcc@...00000 { @@ -172,6 +203,7 @@ status = "okay"; vmmc-supply = <&v3p3_fixed>; vqmmc-supply = <&v3p3_fixed>; + mmc-pwrseq = <&sdcc4_pwrseq>; }; }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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