[PATCH 1/2] arm64: dts: rockchip: enable NPU on rk3588-tiger

From: Heiko Stuebner
Date: Tue Aug 12 2025 - 04:59:05 EST


From: Heiko Stuebner <heiko.stuebner@xxxxxxxxx>

Enable the NPU cores and their mmus and wire up the supply-regulator.
The regulator itself was already defined, but it does not need to be
always on - the npu can control it.

Signed-off-by: Heiko Stuebner <heiko.stuebner@xxxxxxxxx>
---
.../arm64/boot/dts/rockchip/rk3588-tiger.dtsi | 35 ++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
index f4bebd25e938..9859f31d2894 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
@@ -194,7 +194,6 @@ vdd_npu_s0: regulator@42 {
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>;
@@ -337,6 +336,10 @@ &pd_gpu {
domain-supply = <&vdd_gpu_s0>;
};

+&pd_npu {
+ domain-supply = <&vdd_npu_s0>;
+};
+
&pinctrl {
emmc {
emmc_reset: emmc-reset {
@@ -375,6 +378,36 @@ &pwm0 {
pinctrl-names = "default";
};

+&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";
+};
+
&saradc {
vref-supply = <&vcc_1v8_s0>;
status = "okay";
--
2.47.2