arm64: dts: librem5-devkit: add the regulators for DVFS

Specify which regulator is used for cpufreq DVFS.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 823d5c60a8fad2bb9807f2de47a6172a5894e15d..6ba65a807b25b673c9e4c2b3f83b498c7d7c1df9 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -227,6 +227,22 @@
        };
 };
 
+&A53_0 {
+       cpu-supply = <&buck2_reg>;
+};
+
+&A53_1 {
+       cpu-supply = <&buck2_reg>;
+};
+
+&A53_2 {
+       cpu-supply = <&buck2_reg>;
+};
+
+&A53_3 {
+       cpu-supply = <&buck2_reg>;
+};
+
 &clk {
        assigned-clocks = <&clk IMX8MQ_AUDIO_PLL1>, <&clk IMX8MQ_AUDIO_PLL2>;
        assigned-clock-rates = <786432000>, <722534400>;