This patch adds pwrseq for WLAN which resets the WLAN just before the
SDIO bus is up.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index 88d6655..df560cf 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -1,5 +1,6 @@
#include "qcom-apq8064-v2.0.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
/ {
model = "Qualcomm APQ8064/IFC6410";
@@ -206,6 +207,28 @@
status = "okay";
};
+ qcom,ssbi@500000 {
+ pmicintc: pmic@0 {
+ pm8921_gpio: gpio@150 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_default_gpios>;
+ wlan_default_gpios: wlan-gpios {
+ pios {
+ pins = "gpio43";
+ function = "normal";
+ bias-disable;
+ power-source = <PM8921_GPIO_S4>;
+ };
+ };
+ };
+ };
+ };
+
+ sdcc4_pwrseq:pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pm8921_gpio 43 GPIO_ACTIVE_LOW>;
+ };
+
amba {
/* eMMC */
sdcc1: sdcc@12400000 {
@@ -227,6 +250,7 @@
status = "okay";
vmmc-supply = <&ext_3p3v>;
vqmmc-supply = <&pm8921_lvs1>;
+ mmc-pwrseq = <&sdcc4_pwrseq>;
};
};
};
--
1.9.1
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