[PATCH] ARM: dts: sun7i: Change cubietruck wifi enable pin to use mmc-pwrseq
Hans de Goede
hdegoede at redhat.com
Fri Jul 31 08:41:52 PDT 2015
The wifi-enable pin of the ap6210 module is not really a regulator,
switch to the mmc-pwrseq framework for controlling it. This more
accurately reflects how the hardware actually works.
Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index de3e195..0b2f914 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
@@ -88,15 +88,11 @@
};
};
- reg_vmmc3: vmmc3 {
- compatible = "regulator-fixed";
+ mmc3_pwrseq: mmc3_pwrseq {
+ compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&vmmc3_pin_cubietruck>;
- regulator-name = "vmmc3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- enable-active-high;
- gpio = <&pio 7 9 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&pio 7 9 GPIO_ACTIVE_LOW>; /* PH9 WIFI_EN */
};
};
@@ -179,7 +175,8 @@
&mmc3 {
pinctrl-names = "default";
pinctrl-0 = <&mmc3_pins_a>;
- vmmc-supply = <®_vmmc3>;
+ vmmc-supply = <®_vcc3v3>;
+ mmc-pwrseq = <&mmc3_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
--
2.4.3
More information about the linux-arm-kernel
mailing list