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

[Marek Vasut]

On 9/24/23 16:21, Shawn Guo wrote:
> 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?

It is turned off in SUSPEND/SNVS/OFF , not in IDLE/RUN .