Hi Marek,
On 23-08-31, Marek Vasut wrote:
> Describe VDD_ARM (BUCK2) run and standby voltage in DT.
>
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> ---
> Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
> Cc: Fabio Estevam <festevam@xxxxxxxxx>
> Cc: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
> Cc: Marek Vasut <marex@xxxxxxx>
> Cc: NXP Linux Team <linux-imx@xxxxxxx>
> Cc: Peng Fan <peng.fan@xxxxxxx>
> Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> ---
> arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
> index cb1953d14aa90..1644b56c3953d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi
> @@ -293,6 +293,8 @@ buck1: BUCK1 { /* VDD_SOC (dual-phase with BUCK3) */
> };
>
> buck2: BUCK2 { /* VDD_ARM */
> + nxp,dvs-run-voltage = <950000>;
Why do we need to set the "nxp,dvs-run-voltage"? If I read the driver
correctly, then nxp,dvs-run-voltage and regulator-min/max-microvolt are
touching the same register.
Regards,
Marco
> + nxp,dvs-standby-voltage = <850000>;
> regulator-min-microvolt = <850000>;
> regulator-max-microvolt = <1000000>;
> regulator-ramp-delay = <3125>;
> --
> 2.40.1
>
>
>
