Re: [PATCH v5 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators
From: Ronald Claveau
Date: Mon Mar 30 2026 - 06:24:19 EST
On 3/30/26 9:55 AM, Neil Armstrong wrote:
> 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>
Sure. I am on it.
Thanks,
--
Best regards,
Ronald