linux-kernel - [PATCH 2/2] arm64: dts: imx8qm-mek: add usdhc pinctrl states to enable higher data rates

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Message-ID: <20220712202211.8592-2-tszucs@protonmail.ch>
Date:   Tue, 12 Jul 2022 20:23:07 +0000
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Tamás Szűcs <tszucs@...tonmail.ch>,
        Dong Aisheng <aisheng.dong@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: imx8qm-mek: add usdhc pinctrl states to enable higher data rates

Add pinctrl states 'state_100mhz' and 'state_200mhz' to usdhc1 and usdhc2 to
enable higher data rates for eMMC and SD.

Signed-off-by: Tamás Szűcs <tszucs@...tonmail.ch>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 19b60efe3639..5d4683173c30 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -68,8 +68,10 @@ ethphy1: ethernet-phy@1 {
 };

 &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;
@@ -78,8 +80,10 @@ &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 22 GPIO_ACTIVE_LOW>;
--
2.30.2