linux-kernel - [PATCH 2/2] ARM: dts: rockchip: Wifi improvements for Sonoff iHost

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Date: Thu, 15 Feb 2024 22:04:25 +1100
From: Tim Lunn <tim@...thertop.org>
To: linux-rockchip@...ts.infradead.org
Cc: Tim Lunn <tim@...thertop.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] ARM: dts: rockchip: Wifi improvements for Sonoff iHost

In some instances the kernel fails to detect the sdio wifi module
in the Sonoff iHost.

Tweak sdio properties to improve detection of rtl8723ds wifi module

Signed-off-by: Tim Lunn <tim@...thertop.org>
---

 arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi b/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi
index ba6c3a674f22..9a87dc0d5f66 100644
--- a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi
@@ -327,7 +327,7 @@ &pmu_io_domains {
 	pmuio1-supply = <&vcc3v3_sys>;
 	vccio1-supply = <&vcc_1v8>;
 	vccio2-supply = <&vccio_sd>;
-	vccio3-supply = <&vcc_1v8>;
+	vccio3-supply = <&vcc3v3_sd>;
 	vccio4-supply = <&vcc_dovdd>;
 	vccio5-supply = <&vcc_1v8>;
 	vccio6-supply = <&vcc_1v8>;
@@ -345,14 +345,14 @@ &sdio {
 	cap-sd-highspeed;
 	cap-sdio-irq;
 	keep-power-in-suspend;
-	max-frequency = <100000000>;
+	max-frequency = <50000000>;
 	mmc-pwrseq = <&sdio_pwrseq>;
 	non-removable;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc1_clk &sdmmc1_cmd &sdmmc1_bus4>;
 	rockchip,default-sample-phase = <90>;
-	sd-uhs-sdr104;
-	vmmc-supply = <&vcc3v3_sys>;
+	sd-uhs-sdr50;
+	vmmc-supply = <&vcc3v3_sd>;
 	vqmmc-supply = <&vcc_1v8>;
 	status = "okay";
 };
-- 
2.40.1