diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-09-18 15:32:05 +0300 |
|---|---|---|
| committer | Andy Gross <agross@codeaurora.org> | 2015-10-14 00:40:00 +0300 |
| commit | f0b6d95062a6674a58e3aa0c19d170e9ab92e44f (patch) | |
| tree | 7fb92d2522d1df5466fe1da575082e92f9bd72da /arch/arm | |
| parent | 03f00be5babcf0ac6747beedbe5fa73a3abd3cdb (diff) | |
| download | linux-f0b6d95062a6674a58e3aa0c19d170e9ab92e44f.tar.xz | |
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')
| -rw-r--r-- | arch/arm/boot/dts/qcom-apq8064-cm-qs600.dts | 32 |
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>; }; }; }; |