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Commit f0b6d950 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Andy Gross
Browse files

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: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarAndy Gross <agross@codeaurora.org>
parent 03f00be5

arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts

+32 −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 = "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@108000 {

			regulators {
@@ -154,6 +170,21 @@ 
			regulator-always-on;

		};



		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 {
@@ -172,6 +203,7 @@ 
				status = "okay";

				vmmc-supply = <&v3p3_fixed>;

				vqmmc-supply = <&v3p3_fixed>;

				mmc-pwrseq = <&sdcc4_pwrseq>;

			};

		};

	};