From 8aa448f8f80ab231a4d12dc31dd81fea2821dca6 Mon Sep 17 00:00:00 2001
From: Ricardo Pardini <ricardo@pardini.net>
Date: Wed, 24 Dec 2025 02:08:39 +0100
Subject: [PATCH] rockchip64-6.18: mekotronics-r58-4x4: i2c2 regulator and NPU

---
 .../dt/rk3588-blueberry-r58-4x4.dts           | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts b/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
index 55dd2fa718..5716ccbdef 100644
--- a/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
+++ b/patch/kernel/archive/rockchip64-6.18/dt/rk3588-blueberry-r58-4x4.dts
@@ -235,6 +235,29 @@
 	};
 };
 
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2m0_xfer>;
+	status = "okay";
+
+	vdd_npu_s0: regulator@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 = <&vcc5v0_sys>;
+
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+};
+
 &combphy0_ps { // @TODO: not in vendor, unused?
 	status = "okay";
 };
@@ -695,3 +718,39 @@
 		remote-endpoint = <&hdmi0_in_vp0>;
 	};
 };
+
+
+&pd_npu {
+	domain-supply = <&vdd_npu_s0>;
+};
+
+&rknn_core_0 {
+	npu-supply = <&vdd_npu_s0>;
+	sram-supply = <&vdd_npu_s0>;
+	status = "okay";
+};
+
+&rknn_core_1 {
+	npu-supply = <&vdd_npu_s0>;
+	sram-supply = <&vdd_npu_s0>;
+	status = "okay";
+};
+
+&rknn_core_2 {
+	npu-supply = <&vdd_npu_s0>;
+	sram-supply = <&vdd_npu_s0>;
+	status = "okay";
+};
+
+&rknn_mmu_0 {
+	status = "okay";
+};
+
+&rknn_mmu_1 {
+	status = "okay";
+};
+
+&rknn_mmu_2 {
+	status = "okay";
+};
+