diff mbox series

[v2,08/13] ARM: dts: imx6qdl-kontron-samx6i: add SDIO_PWR_EN support

Message ID 20240606090206.2021237-9-mwalle@kernel.org (mailing list archive)
State Superseded
Headers show
Series ARM: dts: kontron-samx6i: various fixes | expand

Commit Message

Michael Walle June 6, 2024, 9:02 a.m. UTC
The module can enable/disable the SD card power supply and has
it's dedicated pin SDIO_PWR_EN for that reason. This is esp.
useful to be able to reset the SD card if it was in an UHS mode.

Signed-off-by: Michael Walle <mwalle@kernel.org>
---
 .../dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi   | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

Comments

Shawn Guo June 17, 2024, 1:40 a.m. UTC | #1
On Thu, Jun 06, 2024 at 11:02:01AM +0200, Michael Walle wrote:
> The module can enable/disable the SD card power supply and has
> it's dedicated pin SDIO_PWR_EN for that reason. This is esp.
> useful to be able to reset the SD card if it was in an UHS mode.
> 
> Signed-off-by: Michael Walle <mwalle@kernel.org>
> ---
>  .../dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi   | 20 ++++++++++++++++++-
>  1 file changed, 19 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
> index 4d3cd338a707..d36743e47552 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
> +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
> @@ -61,6 +61,18 @@ reg_3p3v_s5: regulator-3p3v-s5 {
>  		vin-supply = <&reg_smarc_suppy>;
>  	};
>  
> +	reg_sdio: regulator-sdio {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_reg_sdio>;
> +		regulator-name = "V_3V3_SD";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
> +		off-on-delay-us = <20000>;
> +		enable-active-high;

enable-active-high right after line of GPIO_ACTIVE_HIGH.

Shawn

> +	};
> +
>  	reg_smarc_lcdbklt: regulator-smarc-lcdbklt {
>  		compatible = "regulator-fixed";
>  		pinctrl-names = "default";
> @@ -640,6 +652,12 @@ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
>  		>;
>  	};
>  
> +	pinctrl_reg_sdio: reg-sdiogrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0 /* SDIO_PWR_EN */
> +		>;
> +	};
> +
>  	pinctrl_uart1: uart1grp {
>  		fsl,pins = <
>  			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
> @@ -692,7 +710,6 @@ MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
>  
>  			MX6QDL_PAD_NANDF_CS1__GPIO6_IO14 0x1b0b0 /* CD */
>  			MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x1b0b0 /* WP */
> -			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0 /* PWR_EN */
>  		>;
>  	};
>  
> @@ -795,6 +812,7 @@ &usdhc3 {
>  	pinctrl-0 = <&pinctrl_usdhc3>;
>  	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
>  	wp-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +	vmmc-supply = <&reg_sdio>;
>  	no-1-8-v;
>  };
>  
> -- 
> 2.39.2
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
index 4d3cd338a707..d36743e47552 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-kontron-samx6i.dtsi
@@ -61,6 +61,18 @@  reg_3p3v_s5: regulator-3p3v-s5 {
 		vin-supply = <&reg_smarc_suppy>;
 	};
 
+	reg_sdio: regulator-sdio {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_sdio>;
+		regulator-name = "V_3V3_SD";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
+		off-on-delay-us = <20000>;
+		enable-active-high;
+	};
+
 	reg_smarc_lcdbklt: regulator-smarc-lcdbklt {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -640,6 +652,12 @@  MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
 		>;
 	};
 
+	pinctrl_reg_sdio: reg-sdiogrp {
+		fsl,pins = <
+			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0 /* SDIO_PWR_EN */
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
@@ -692,7 +710,6 @@  MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
 
 			MX6QDL_PAD_NANDF_CS1__GPIO6_IO14 0x1b0b0 /* CD */
 			MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x1b0b0 /* WP */
-			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0 /* PWR_EN */
 		>;
 	};
 
@@ -795,6 +812,7 @@  &usdhc3 {
 	pinctrl-0 = <&pinctrl_usdhc3>;
 	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
 	wp-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
+	vmmc-supply = <&reg_sdio>;
 	no-1-8-v;
 };