* [PATCH] arm64: dts: rockchip: Enable the NPU on rk3588-rock-5-itx
@ 2026-04-13 21:52 Sten-Silver Ots
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From: Sten-Silver Ots @ 2026-04-13 21:52 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Heiko Stuebner
Cc: Sten-Silver Ots, FUKAUMI Naoki, Torsten Duwe, Dmitry Baryshkov,
Andy Yan, devicetree, linux-arm-kernel, linux-rockchip,
linux-kernel
This commit enables the NPU on Radxa Rock 5 ITX board.
The regulator vdd_npu_s0 was already in place and since the NPUs
power domain supply is now described remove the always-on property
from the regulator.
Signed-off-by: Sten-Silver Ots <stensilver@gmail.com>
---
.../boot/dts/rockchip/rk3588-rock-5-itx.dts | 35 ++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
index de154adb1497..d3ab6c68a60b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
@@ -421,7 +421,6 @@ 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>;
@@ -683,6 +682,10 @@ &pd_gpu {
domain-supply = <&vdd_gpu_s0>;
};
+&pd_npu {
+ domain-supply = <&vdd_npu_s0>;
+};
+
&pinctrl {
hym8563 {
rtc_int: rtc-int {
@@ -802,6 +805,36 @@ dp1_hpd: dp1-hpd {
};
};
+&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";
+};
+
&pwm14 {
pinctrl-names = "default";
pinctrl-0 = <&pwm14m1_pins>;
--
2.53.0
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2026-04-13 21:52 [PATCH] arm64: dts: rockchip: Enable the NPU on rk3588-rock-5-itx Sten-Silver Ots
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