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authorBiju Das <biju.das.jz@bp.renesas.com>2022-03-07 22:24:35 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2022-04-04 12:06:55 +0300
commit6f57895c49bc36a6ba125b9926d4b9699376e656 (patch)
treef0f1f1184d9c977b29b0bf60ff018e2d4092af76 /arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
parenta081c4fe98f6662fbddb1597a6203be669641af1 (diff)
downloadlinux-6f57895c49bc36a6ba125b9926d4b9699376e656.tar.xz
arm64: dts: renesas: rzg2lc-smarc-som: Add vdd core regulator
Add vdd core regulator (1.1 V) for GPU. This patch add regulator support for GPU. The H/W manual mentions nothing about a GPU regulator. So using vdd core regulator for GPU. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20220307192436.13237-4-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
index 05b117ac414c..959a0ad1d367 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-som.dtsi
@@ -41,6 +41,15 @@
regulator-always-on;
};
+ reg_1p1v: regulator-vdd-core {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.1V";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
@@ -84,6 +93,10 @@
clock-frequency = <24000000>;
};
+&gpu {
+ mali-supply = <&reg_1p1v>;
+};
+
&ostm1 {
status = "okay";
};