diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-09-18 15:31:59 +0300 |
|---|---|---|
| committer | Andy Gross <agross@codeaurora.org> | 2015-10-14 00:40:00 +0300 |
| commit | 03f00be5babcf0ac6747beedbe5fa73a3abd3cdb (patch) | |
| tree | cbfaca160268443f3510f7237bff20388d90da1a /arch/arm/boot | |
| parent | be87cd0e80e20f5167f3a98613e8be65dfe19879 (diff) | |
| download | linux-03f00be5babcf0ac6747beedbe5fa73a3abd3cdb.tar.xz | |
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: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <agross@codeaurora.org>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts index c1d5bd7dd759..9c71a51a7079 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"; @@ -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>; }; }; }; |