The dwmmc2 is used on Hikey 970 for WiFi support. The
hi3670.dtsi adds it, but with status="disabled".

For WiFi to work,it needs to be enabled. While here, add
the missing properties:

        #address-cells = <0x1>;
        #size-cells = <0x0>;

and add
        ti,non-removable

To DT properties, as the WiFi support is on a non-removable slot.

Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
 arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts 
b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
index f218acceec0b..a2b0d2a1d09d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
@@ -402,6 +402,7 @@ &sd_clk_cfg_func
 
 &dwmmc2 { /* WIFI */
        bus-width = <0x4>;
+       ti,non-removable;
        non-removable;
        broken-cd;
        cap-power-off-card;
@@ -409,8 +410,12 @@ &dwmmc2 { /* WIFI */
        pinctrl-0 = <&sdio_pmx_func
                     &sdio_clk_cfg_func
                     &sdio_cfg_func>;
+       status = "ok";
+
        /* WL_EN */
        vmmc-supply = <&wlan_en>;
+       #address-cells = <0x1>;
+       #size-cells = <0x0>;
        status = "ok";
 
        wlcore: wlcore@2 {
-- 
2.26.2

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