Re: [PATCH v5 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators

From: Neil Armstrong

Date: Mon Mar 30 2026 - 04:02:32 EST


On 3/26/26 10:59, Ronald Claveau wrote:
Add voltage regulator nodes describing the VIM4 power tree,
required by peripheral nodes such as the SD card controller.

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Signed-off-by: Ronald Claveau <linux-kernel-dev@xxxxxxxx>
---
.../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 90 ++++++++++++++++++++++
1 file changed, 90 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index fffdab96b12eb..2450084d37642 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
@@ -6,6 +6,8 @@
/dts-v1/;
#include "amlogic-t7.dtsi"
+#include <dt-bindings/gpio/amlogic,t7-periphs-pinctrl.h>
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "Khadas vim4";
@@ -45,6 +47,94 @@ xtal: xtal-clk {
#clock-cells = <0>;
};
+ dc_in: regulator-dc-in {
+ compatible = "regulator-fixed";
+ regulator-name = "DC_IN";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ sd_3v3: regulator-sdcard-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "SD_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vddao_3v3>;
+ gpio = <&gpio GPIOD_11 GPIO_ACTIVE_LOW>;
+ regulator-boot-on;

+ enable-active-low;

This properly is invalid, please send follow up patch removing this,

Thanks,
Neil

<snip>