[7/9] arm64: dts: imx8mn-bsh-smm-s2-common: Set minimum value for VDD_3V3
diff mbox series

Message ID 20250514082507.1983849-8-dario.binacchi@amarulasolutions.com
State New
Headers show
Series
  • DTS updates for BSH SMM S2[PRO] boards
Related show

Commit Message

Dario Binacchi May 14, 2025, 8:25 a.m. UTC 
From: Wolfgang Birkner <wolfgang.birkner@bshg.com>

Buck4 is called Buck6 in the BD71847 datasheet. This buck supports
2.6...3.3V. Set the minimum allowed value.

Signed-off-by: Wolfgang Birkner <wolfgang.birkner@bshg.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Matti Vaittinen May 15, 2025, 9:20 a.m. UTC | #1 
On 14/05/2025 11:25, Dario Binacchi wrote:
> From: Wolfgang Birkner <wolfgang.birkner@bshg.com>
> 
> Buck4 is called Buck6 in the BD71847 datasheet. This buck supports
> 2.6...3.3V. Set the minimum allowed value.

Same comment as for 6/9. Please provide better rationale than the PMIC's 
limits.

> 
> Signed-off-by: Wolfgang Birkner <wolfgang.birkner@bshg.com>
> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
> ---
> 
>   arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
> index 81fa0a8767e2..04112a83b1d3 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
> @@ -144,7 +144,7 @@ buck3_reg: BUCK3 {
>   			buck4_reg: BUCK4 {
>   				/* PMIC_BUCK6 - VDD_3V3 */
>   				regulator-name = "buck4";
> -				regulator-min-microvolt = <3000000>;
> +				regulator-min-microvolt = <2600000>;
>   				regulator-max-microvolt = <3300000>;
>   				regulator-boot-on;
>   				regulator-always-on;

Yours,
	-- Matti

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Patch
diff mbox series 

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
index 81fa0a8767e2..04112a83b1d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
@@ -144,7 +144,7 @@  buck3_reg: BUCK3 {
 			buck4_reg: BUCK4 {
 				/* PMIC_BUCK6 - VDD_3V3 */
 				regulator-name = "buck4";
-				regulator-min-microvolt = <3000000>;
+				regulator-min-microvolt = <2600000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;