From: Marek Vasut Date: Tue, 5 Nov 2024 22:46:22 +0000 (+0100) Subject: ARM: dts: stm32: Increase CPU core voltage on STM32MP13xx DHCOR SoM X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a4422a9183278162093d4524fdf4b6bbd7dd8a28;p=users%2Fjedix%2Flinux-maple.git ARM: dts: stm32: Increase CPU core voltage on STM32MP13xx DHCOR SoM The STM32MP13xx DHCOR DHSBC is populated with STM32MP13xx part capable of 1 GHz operation, increase the CPU core voltage to 1.35 V to make sure the SoC is stable even if the blobs unconditionally force the CPU to 1 GHz operation. It is not possible to make use of CPUfreq on the STM32MP13xx because the SCMI protocol 0x13 is not implemented by upstream OpTee-OS which is the SCMI provider. Fixes: 6331bddce649 ("ARM: dts: stm32: Add support for STM32MP13xx DHCOR SoM and DHSBC board") Signed-off-by: Marek Vasut Signed-off-by: Alexandre Torgue --- diff --git a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi index 5edbc790d1d2..34a7ebfcef0e 100644 --- a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi +++ b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi @@ -85,8 +85,8 @@ vddcpu: buck1 { /* VDD_CPU_1V2 */ regulator-name = "vddcpu"; - regulator-min-microvolt = <1250000>; - regulator-max-microvolt = <1250000>; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; regulator-always-on; regulator-initial-mode = <0>; regulator-over-current-protection;