[PATCH 1/2] ARM: dts: imx7d-sdb: Describe the SD card regulator
Fabio Estevam
festevam at gmail.com
Thu May 18 14:54:46 PDT 2023
From: Fabio Estevam <festevam at denx.de>
Improve the devicetree description by adding the SD card regulator
that is controlled via GPIO5_2.
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
arch/arm/boot/dts/imx7d-sdb.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 25681c430393..6e45f1154611 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -60,6 +60,17 @@ extended_io: gpio-expander at 0 {
};
};
+ reg_sd1_vmmc: regulator-sd1-vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_SD1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <200000>;
+ off-on-delay-us = <20000>;
+ enable-active-high;
+ };
+
reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
compatible = "regulator-fixed";
regulator-name = "usb_otg1_vbus";
@@ -477,6 +488,7 @@ &usdhc1 {
pinctrl-0 = <&pinctrl_usdhc1>;
cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+ vmmc-supply = <®_sd1_vmmc>;
wakeup-source;
keep-power-in-suspend;
status = "okay";
--
2.34.1
More information about the linux-arm-kernel
mailing list