[PATCH 11/11] arm64: allwinner: a64: enable Wi-Fi for Pine64

[Icenowy Zheng]

The Wi-Fi modules of Pine64 is powered via DLDO4 and ELDO1 (the latter
one provides I/O voltage).

Add device node for it.

Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 7da074f95065..9d90bb32aa87 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -64,6 +64,11 @@
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
        };
+
+       wifi_pwrseq: wifi_pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+       };
 };
 
 &ehci1 {
@@ -91,6 +96,17 @@
        status = "okay";
 };
 
+&mmc1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc1_pins>;
+       vmmc-supply = <&reg_dldo4>;
+       vqmmc-supply = <&reg_eldo1>;
+       mmc-pwrseq = <&wifi_pwrseq>;
+       non-removable;
+       bus-width = <4>;
+       status = "okay";
+};
+
 &ohci1 {
        status = "okay";
 };
-- 
2.12.2