2022-06-06 04:53:00

by Leonard Göhrs

Subject: [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1

According to the OSD32MP1 Power System overview[1] ldo3's input is always
internally connected to vdd_ddr.

[1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections

Signed-off-by: Leonard Göhrs <[email protected]>
---
arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
index 6706d8311a66..e997c4953fd1 100644
--- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
@@ -78,6 +78,7 @@ regulators {
compatible = "st,stpmic1-regulators";

ldo1-supply = <&v3v3>;
+ ldo3-supply = <&vdd_ddr>;
ldo6-supply = <&v3v3>;
pwr_sw1-supply = <&bst_out>;

--
2.30.2

2022-06-13 08:17:37

by Alexandre TORGUE

Subject: Re: [PATCH 1/2] ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1

Hi Leonard

On 6/3/22 11:44, Leonard Göhrs wrote:
> According to the OSD32MP1 Power System overview[1] ldo3's input is always
> internally connected to vdd_ddr.
>
> [1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections
>
> Signed-off-by: Leonard Göhrs <[email protected]>
> ---
> arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> index 6706d8311a66..e997c4953fd1 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> @@ -78,6 +78,7 @@ regulators {
> compatible = "st,stpmic1-regulators";
>
> ldo1-supply = <&v3v3>;
> + ldo3-supply = <&vdd_ddr>;
> ldo6-supply = <&v3v3>;
> pwr_sw1-supply = <&bst_out>;
>


Applied on stm32-next.

Thanks.
Alex