linux-kernel - [PATCH 11/11] arm64: dts: mediatek: mt6795-xperia-m5: Add UHS pins for MMC1 and 2

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Message-ID: <20260109114747.37189-12-angelogioacchino.delregno@collabora.com>
Date: Fri,  9 Jan 2026 12:47:47 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: linux-mediatek@...ts.infradead.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	sjoerd@...labora.com,
	hsinyi@...omium.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com
Subject: [PATCH 11/11] arm64: dts: mediatek: mt6795-xperia-m5: Add UHS pins for MMC1 and 2

Add the UHS state pins for the MMC1 and MMC2 controllers and,
while at it, also add the correct drive strength parameters
for the default pin states for those two.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../dts/mediatek/mt6795-sony-xperia-m5.dts    | 48 ++++++++++++++++++-
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
index fccb948cfa45..ecd13d089ceb 100644
--- a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
+++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
@@ -227,8 +227,9 @@ &mmc0 {
 
 &mmc1 {
 	/* MicroSD card slot */
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_uhs";
 	pinctrl-0 = <&mmc1_pins_default>;
+	pinctrl-1 = <&mmc1_pins_uhs>;
 	vmmc-supply = <&mt6331_vmc_reg>;
 	vqmmc-supply = <&mt6331_vmch_reg>;
 	status = "okay";
@@ -236,8 +237,9 @@ &mmc1 {
 
 &mmc2 {
 	/* SDIO WiFi on MMC2 */
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_uhs";
 	pinctrl-0 = <&mmc2_pins_default>;
+	pinctrl-1 = <&mmc2_pins_uhs>;
 	vmmc-supply = <&mt6331_vmc_reg>;
 	vqmmc-supply = <&mt6331_vmch_reg>;
 	status = "okay";
@@ -324,11 +326,32 @@ pins-cmd-dat {
 				 <PINMUX_GPIO170__FUNC_MSDC1_CMD>;
 			input-enable;
 			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+			drive-strength = <4>;
 		};
 
 		pins-clk {
 			pinmux = <PINMUX_GPIO175__FUNC_MSDC1_CLK>;
 			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+			drive-strength = <4>;
+		};
+	};
+
+	mmc1_pins_uhs: microsd-uhs-pins {
+		pins-cmd-dat {
+			pinmux = <PINMUX_GPIO171__FUNC_MSDC1_DAT0>,
+				 <PINMUX_GPIO172__FUNC_MSDC1_DAT1>,
+				 <PINMUX_GPIO173__FUNC_MSDC1_DAT2>,
+				 <PINMUX_GPIO174__FUNC_MSDC1_DAT3>,
+				 <PINMUX_GPIO170__FUNC_MSDC1_CMD>;
+			input-enable;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+			drive-strength = <6>;
+		};
+
+		pins-clk {
+			pinmux = <PINMUX_GPIO175__FUNC_MSDC1_CLK>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+			drive-strength = <8>;
 		};
 	};
 
@@ -341,11 +364,32 @@ pins-cmd-dat {
 				 <PINMUX_GPIO105__FUNC_MSDC2_CMD>;
 			input-enable;
 			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+			drive-strength = <4>;
+		};
+
+		pins-clk {
+			pinmux = <PINMUX_GPIO104__FUNC_MSDC2_CLK>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+			drive-strength = <4>;
+		};
+	};
+
+	mmc2_pins_uhs: sdio-uhs-pins {
+		pins-cmd-dat {
+			pinmux = <PINMUX_GPIO100__FUNC_MSDC2_DAT0>,
+				 <PINMUX_GPIO101__FUNC_MSDC2_DAT1>,
+				 <PINMUX_GPIO102__FUNC_MSDC2_DAT2>,
+				 <PINMUX_GPIO103__FUNC_MSDC2_DAT3>,
+				 <PINMUX_GPIO105__FUNC_MSDC2_CMD>;
+			input-enable;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+			drive-strength = <8>;
 		};
 
 		pins-clk {
 			pinmux = <PINMUX_GPIO104__FUNC_MSDC2_CLK>;
 			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+			drive-strength = <8>;
 		};
 	};
 
-- 
2.52.0