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ARM: dts: stm32: Increase CPU core voltage on STM32MP13xx DHCOR SoM

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[ Upstream commit a4422a9183278162093d4524fdf4b6bbd7dd8a28 ]

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: 6331bddce6 ("ARM: dts: stm32: Add support for STM32MP13xx DHCOR SoM and DHSBC board")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marek Vasut
2024-11-05 23:46:22 +01:00
committed by Greg Kroah-Hartman
parent 2e72386c10
commit 42b5491a18
1 changed files with 2 additions and 2 deletions
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arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi
+2 -2
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@@ -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;