[PATCH 2/6] arm64: dts: rockchip: add regulator for NPU for Radxa ROCK 5B

FUKAUMI Naoki naoki at radxa.com
Fri Nov 29 16:40:53 PST 2024


add "vdd_vpu_s0" regulator for NPU.

Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
---
 .../boot/dts/rockchip/rk3588-rock-5b.dts      | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 727a5880d87a..3cd8c63151db 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -270,6 +270,29 @@ regulator-state-mem {
 	};
 };
 
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1m2_xfer>;
+	status = "okay";
+
+	vdd_npu_s0: regulator at 42 {
+		compatible = "rockchip,rk8602";
+		reg = <0x42>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-name = "vdd_npu_s0";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <550000>;
+		regulator-max-microvolt = <950000>;
+		regulator-ramp-delay = <2300>;
+		vin-supply = <&vcc4v0_sys>;
+
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+};
+
 &i2c6 {
 	status = "okay";
 
-- 
2.43.0




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