linux-kernel - [PATCH] dtbs: hikey970: add wifi support

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Date:   Wed, 26 Aug 2020 07:57:40 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] dtbs: hikey970: add wifi support

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+huawei@...nel.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