Thread (5 messages) 5 messages, 2 authors, 2026-01-06
STALE186d

[PATCH v2 3/3] arm64: dts: rockchip: Enable the NPU on Turing RK1

From: Ricardo Pardini via B4 Relay <devnull+ricardo.pardini.net@kernel.org>
Date: 2026-01-01 06:43:47
Also in: b4-sent, linux-arm-kernel, linux-rockchip, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Ricardo Pardini <redacted>

Enable the NPU on Turing RK1.
The regulator vdd_npu_s0 was already in place; since
the NPU power domain supply is now described, remove the
regulator's always-on.

Signed-off-by: Ricardo Pardini <redacted>
---
 .../arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi | 35 +++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi
index 6daea8961fdd6..b11d24dcc1806 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi
@@ -171,7 +171,6 @@ 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>;
@@ -293,6 +292,10 @@ &pd_gpu {
 	domain-supply = <&vdd_gpu_s0>;
 };
 
+&pd_npu {
+	domain-supply = <&vdd_npu_s0>;
+};
+
 &pinctrl {
 	fan {
 		fan_int: fan-int {
@@ -333,6 +336,36 @@ &pwm0 {
 	status = "okay";
 };
 
+&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";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
-- 
2.52.0

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