Re: [PATCH 2/2] ARM: dts: stm32: correct vcc-supply for eeprom on stm32mp15xx-osd32
From: Ahmad Fatoum
Date: Fri Jun 03 2022 - 07:34:36 EST
On 03.06.22 11:44, Leonard Göhrs wrote:
> According to the OSD32MP1 Power System overview[1] the EEPROM is connected to
> the VDD line and not to some single-purpose fixed regulator.
> Set the EEPROM supply according to the diagram to eliminate this parent-less
> regulator.
>
> [1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections
>
> Signed-off-by: Leonard Göhrs <l.goehrs@xxxxxxxxxxxxxx>
Acked-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
Thanks,
Ahmad
> ---
> arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> index e997c4953fd1..935b7084b5a2 100644
> --- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi
> @@ -50,12 +50,6 @@ retram: retram@38000000 {
> no-map;
> };
> };
> -
> - reg_sip_eeprom: regulator_eeprom {
> - compatible = "regulator-fixed";
> - regulator-name = "sip_eeprom";
> - regulator-always-on;
> - };
> };
>
> &i2c4 {
> @@ -204,7 +198,7 @@ pmic_watchdog: watchdog {
>
> sip_eeprom: eeprom@50 {
> compatible = "atmel,24c32";
> - vcc-supply = <®_sip_eeprom>;
> + vcc-supply = <&vdd>;
> reg = <0x50>;
> };
> };
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