[PATCH] ARM: dts: stm32: Keep VDDA LDO1 always on on DHCOM

Alexandre Torgue alexandre.torgue at st.com
Mon Nov 9 08:38:33 EST 2020


Hi Marek

On 10/29/20 8:46 PM, Marek Vasut wrote:
> The VDDA LDO1 PMIC output supplies the analog VDDA input of the
> STM32MP1 on DHCOM, keep it always on, otherwise there could be
> leakage through the SoC.
> 
> Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board")
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Alexandre Torgue <alexandre.torgue at st.com>
> Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
> Cc: Patrice Chotard <patrice.chotard at st.com>
> Cc: Patrick Delaunay <patrick.delaunay at st.com>
> Cc: linux-stm32 at st-md-mailman.stormreply.com
> To: linux-arm-kernel at lists.infradead.org
> ---
>   arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
> index 9caa0dfc7b22..51c329ce2f00 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
> @@ -256,6 +256,7 @@ v3v3: buck4 {
>   
>   			vdda: ldo1 {
>   				regulator-name = "vdda";
> +				regulator-always-on;
>   				regulator-min-microvolt = <2900000>;
>   				regulator-max-microvolt = <2900000>;
>   				interrupts = <IT_CURLIM_LDO1 0>;
> 

Applied on stm32-dt-for-v5.10-fixes.

regards
alex



More information about the linux-arm-kernel mailing list