diff mbox series

[v2,2/2] ARM: dts: imx7d-sdb: Allow UHS modes

Message ID 20230527160634.345195-2-festevam@gmail.com
State New
Headers show
Series [v2,1/2] ARM: dts: imx7d-sdb: Describe the SD card regulator | expand

Commit Message

Fabio Estevam May 27, 2023, 4:06 p.m. UTC 
From: Fabio Estevam <festevam@denx.de>

Describe the SD1_VSELECT pad, which is necessary to allow UHS modes.

Also, to support higher SD card speed modes, describe the 100MHz and
200MHz SD card pinctrl entries.

Suggested-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Fabio Estevam <festevam@denx.de>
---
Changes since v1:
- None

 arch/arm/boot/dts/imx7d-sdb.dts | 40 ++++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 6e45f1154611..98e77fdfc27a 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -484,8 +484,10 @@  &usbotg2 {
 };
 
 &usdhc1 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_gpio>;
 	cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
 	wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
 	vmmc-supply = <&reg_sd1_vmmc>;
@@ -743,6 +745,15 @@  MX7D_PAD_ECSPI1_MISO__UART6_DCE_RTS	0x79
 			>;
 		};
 
+		pinctrl_usdhc1_gpio: usdhc1_gpiogrp {
+			fsl,pins = <
+				MX7D_PAD_SD1_CD_B__GPIO5_IO0		0x59 /* CD */
+				MX7D_PAD_SD1_WP__GPIO5_IO1		0x59 /* WP */
+				MX7D_PAD_SD1_RESET_B__GPIO5_IO2		0x59 /* vmmc */
+				MX7D_PAD_GPIO1_IO08__SD1_VSELECT	0x59 /* VSELECT */
+			>;
+		};
+
 		pinctrl_usdhc1: usdhc1grp {
 			fsl,pins = <
 				MX7D_PAD_SD1_CMD__SD1_CMD		0x59
@@ -751,9 +762,28 @@  MX7D_PAD_SD1_DATA0__SD1_DATA0		0x59
 				MX7D_PAD_SD1_DATA1__SD1_DATA1		0x59
 				MX7D_PAD_SD1_DATA2__SD1_DATA2		0x59
 				MX7D_PAD_SD1_DATA3__SD1_DATA3		0x59
-				MX7D_PAD_SD1_CD_B__GPIO5_IO0		0x59 /* CD */
-				MX7D_PAD_SD1_WP__GPIO5_IO1		0x59 /* WP */
-				MX7D_PAD_SD1_RESET_B__GPIO5_IO2		0x59 /* vmmc */
+			>;
+		};
+
+		pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {
+			fsl,pins = <
+				MX7D_PAD_SD1_CMD__SD1_CMD		0x5a
+				MX7D_PAD_SD1_CLK__SD1_CLK		0x1a
+				MX7D_PAD_SD1_DATA0__SD1_DATA0		0x5a
+				MX7D_PAD_SD1_DATA1__SD1_DATA1		0x5a
+				MX7D_PAD_SD1_DATA2__SD1_DATA2		0x5a
+				MX7D_PAD_SD1_DATA3__SD1_DATA3		0x5a
+			>;
+		};
+
+		pinctrl_usdhc1_200mhz: usdhc1grp_200mhz {
+			fsl,pins = <
+				MX7D_PAD_SD1_CMD__SD1_CMD		0x5b
+				MX7D_PAD_SD1_CLK__SD1_CLK		0x1b
+				MX7D_PAD_SD1_DATA0__SD1_DATA0		0x5b
+				MX7D_PAD_SD1_DATA1__SD1_DATA1		0x5b
+				MX7D_PAD_SD1_DATA2__SD1_DATA2		0x5b
+				MX7D_PAD_SD1_DATA3__SD1_DATA3		0x5b
 			>;
 		};