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Commit 03f00be5 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Andy Gross
Browse files

ARM: dts: ifc6410: Add pwrseq support for WLAN 



This patch adds pwrseq for WLAN which resets the WLAN just before the
SDIO bus is up.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarAndy Gross <agross@codeaurora.org>
parent be87cd0e

arch/arm/boot/dts/qcom-apq8064-ifc6410.dts

+28 −0
Original line number Diff line number Diff line 
#include "qcom-apq8064-v2.0.dtsi"

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>



/ {

	model = "Qualcomm APQ8064/IFC6410";
@@ -14,6 +15,17 @@ 
		stdout-path = "serial0:115200n8";

	};



	pwrseq {

		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 {

		pinctrl@800000 {

			card_detect: card_detect {
@@ -207,6 +219,21 @@ 
			status = "okay";

		};



		qcom,ssbi@500000 {

			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@12400000 {
@@ -228,6 +255,7 @@ 
				status = "okay";

				vmmc-supply = <&ext_3p3v>;

				vqmmc-supply = <&pm8921_lvs1>;

				mmc-pwrseq = <&sdcc4_pwrseq>;

			};

		};

	};