linux-kernel - [PATCH 4.19 379/639] ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT

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Message-Id: <20200124093134.467309992@linuxfoundation.org>
Date:   Fri, 24 Jan 2020 10:29:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jernej Skrabec <jernej.skrabec@...l.net>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 379/639] ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT

From: Jernej Skrabec <jernej.skrabec@...l.net>

[ Upstream commit ca0961011db57e39880df0b5708df8aa3339dc6f ]

mmc1 node where wifi module is connected doesn't have properly defined
power supplies so wifi module is never powered up. Fix that by
specifying additional power supplies.

Additionally, this STB may have either Realtek or Broadcom based wifi
module. One based on Broadcom module also needs external clock to work
properly. Fix that by adding clock property to wifi_pwrseq node.

Fixes: e582b47a9252 ("ARM: dts: sun8i-h3: Add dts for the Beelink X2 STB")
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
Signed-off-by: Maxime Ripard <maxime.ripard@...tlin.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/sun8i-h3-beelink-x2.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
index 25540b7694d59..6523d81dd9c49 100644
--- a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
+++ b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
@@ -90,6 +90,8 @@
 	wifi_pwrseq: wifi_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+		clocks = <&rtc 1>;
+		clock-names = "ext_clock";
 	};
 
 	sound_spdif {
@@ -155,6 +157,8 @@
 
 &mmc1 {
 	vmmc-supply = <&reg_vcc3v3>;
+	vqmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&wifi_pwrseq>;
 	bus-width = <4>;
 	non-removable;
 	status = "okay";
-- 
2.20.1