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[5/6] arm64: dts: freescale: imx8mp-skov: operate SoC in nominal mode

Message ID 20241219-imx8m-clk-v1-5-cfaffa087da6@pengutronix.de (mailing list archive)
State Not Applicable, archived
Headers show
Series arm64: dts: freescale: imx8mp-skov: switch to nominal drive mode | expand

Commit Message

Ahmad Fatoum Dec. 19, 2024, 7:27 a.m. UTC 
To reduce heat generation, the Skov i.MX8MP boards should run in nominal
drive mode with a VDD_SOC voltage of 850 mV.

At this operating point, not all frequencies that are achievable with
overdrive mode are possible, so import imx8mp-nominal.dtsi to clock down
the clocks.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
index 59813ef8e2bb..9dc36517e90c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
@@ -1,6 +1,7 @@ 
 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
 
 #include "imx8mp.dtsi"
+#include "imx8mp-nominal.dtsi"
 
 #include <dt-bindings/leds/common.h>
 
@@ -237,8 +238,8 @@  pmic@25 {
 		regulators {
 			reg_vdd_soc: BUCK1 {
 				regulator-name = "VDD_SOC";
-				regulator-min-microvolt = <600000>;
-				regulator-max-microvolt = <2187500>;
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <850000>;
 				vin-supply = <&reg_5v_p>;
 				regulator-boot-on;
 				regulator-always-on;