[PATCH] arm64: dts: imx8mp: Describe VDD_ARM run and standby voltage for Data Modul i.MX8M Plus eDM SBC

[Shawn Guo]

On Thu, Aug 31, 2023 at 08:18:50PM +0200, Marek Vasut wrote:
> Describe VDD_ARM (BUCK2) run and standby voltage in DT.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Conor Dooley <conor+dt at kernel.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Frieder Schrempf <frieder.schrempf at kontron.de>
> Cc: Geert Uytterhoeven <geert+renesas at glider.be>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
> Cc: Magnus Damm <magnus.damm at gmail.com>
> Cc: Marek Vasut <marex at denx.de>
> Cc: NXP Linux Team <linux-imx at nxp.com>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: devicetree at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> ---
>  arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
> index 13674dc64be9d..d98a040860a48 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
> @@ -362,6 +362,8 @@ buck1: BUCK1 {	/* VDD_SOC (dual-phase with BUCK3) */
>  			};
>  
>  			buck2: BUCK2 {	/* VDD_ARM */
> +				nxp,dvs-run-voltage = <950000>;
> +				nxp,dvs-standby-voltage = <850000>;

Buck2 is not turned off in DSM on i.MX8MP?

Shawn

>  				regulator-min-microvolt = <850000>;
>  				regulator-max-microvolt = <1000000>;
>  				regulator-ramp-delay = <3125>;
> -- 
> 2.40.1
>