netdev - [PATCH 4/8] arm64: dts: imx8dxl-evk: add state_100mhz and state

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Message-Id: <20251022-dxl_dts-v1-4-8159dfdef8c5@nxp.com>
Date: Wed, 22 Oct 2025 12:50:24 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Shenwei Wang <shenwei.wang@....com>, 
 Richard Cochran <richardcochran@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 netdev@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: [PATCH 4/8] arm64: dts: imx8dxl-evk: add state_100mhz and
 state_200mhz for usdhc

Default, state_100mhz and state_200mhz use the same settings. But current
kernel driver use these to indicate if sd3.0 support.

Add max-frequency for usdhc2 because board design limitation.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index bd58fa54fea8922327393a47d9060ad33e38cac7..4a070bc0c4db713987ebc038f2189b3fbcdc91ad 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -779,8 +779,10 @@ &usbotg2 {
 };
 
 &usdhc1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1>;
+	pinctrl-2 = <&pinctrl_usdhc1>;
 	bus-width = <8>;
 	no-sd;
 	no-sdio;
@@ -789,12 +791,15 @@ &usdhc1 {
 };
 
 &usdhc2 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
 	bus-width = <4>;
 	vmmc-supply = <&reg_usdhc2_vmmc>;
 	cd-gpios = <&lsio_gpio5 1 GPIO_ACTIVE_LOW>;
 	wp-gpios = <&lsio_gpio5 0 GPIO_ACTIVE_HIGH>;
+	max-frequency = <100000000>;
 	status = "okay";
 };
 

-- 
2.34.1