[linux-sunxi] [PATCH 3/3] arm64: allwinner: a64: add proper support for the Wi-Fi on BPi M64

[Icenowy Zheng]

BPi M64 has an AP6212 Wi-Fi/Bluetooth combo module, and the Wi-Fi SDIO
card is connected to the mmc1 controller.

The pwrseq of the mmc1 (used to reset the card) used to missing, and the
out-of-band interrupt line of the card is not specified.

Fix these issues for proper Wi-Fi support of BPi M64.

Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 51d67c0a0edf..037142231962 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -58,6 +58,11 @@
        chosen {
                stdout-path = "serial0:115200n8";
        };
+
+       wifi_pwrseq: wifi_pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+       };
 };
 
 &ehci1 {
@@ -106,9 +111,18 @@
        pinctrl-0 = <&mmc1_pins>;
        vmmc-supply = <&reg_dldo2>;
        vqmmc-supply = <&reg_dldo4>;
+       mmc-pwrseq = <&wifi_pwrseq>;
        bus-width = <4>;
        non-removable;
        status = "okay";
+
+       brcmf: wifi@1 {
+               reg = <1>;
+               compatible = "brcm,bcm4329-fmac";
+               interrupt-parent = <&r_pio>;
+               interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
+               interrupt-names = "host-wake";
+       };
 };
 
 &mmc2 {
-- 
2.13.0

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