summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
diff options
context:
space:
mode:
authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2015-09-18 13:32:05 +0100
committerAndy Gross <agross@codeaurora.org>2015-10-13 16:40:00 -0500
commitf0b6d95062a6674a58e3aa0c19d170e9ab92e44f (patch)
tree7fb92d2522d1df5466fe1da575082e92f9bd72da /arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
parent03f00be5babcf0ac6747beedbe5fa73a3abd3cdb (diff)
downloadblackbird-op-linux-f0b6d95062a6674a58e3aa0c19d170e9ab92e44f.tar.gz
blackbird-op-linux-f0b6d95062a6674a58e3aa0c19d170e9ab92e44f.zip
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@linaro.org> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Andy Gross <agross@codeaurora.org>
Diffstat (limited to 'arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts')
-rw-r--r--arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts b/arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts
index 8aac3be1bf24..cc9d9423a4c0 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@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>;
};
};
};
OpenPOWER on IntegriCloud