linux-kernel - [PATCH 1/3] arm64: dts: rockchip: Enable the NPU on NanoPC T6/T6-LTS

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Message-Id: <20251230-arm64-dts-rockchip-rk3588-npu-enablements-v1-1-d38b182a59e3@pardini.net>
Date: Tue, 30 Dec 2025 21:19:30 +0100
From: Ricardo Pardini via B4 Relay <devnull+ricardo.pardini.net@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Ricardo Pardini <ricardo@...dini.net>
Subject: [PATCH 1/3] arm64: dts: rockchip: Enable the NPU on NanoPC
 T6/T6-LTS

From: Ricardo Pardini <ricardo@...dini.net>

Enable the NPU on FriendlyElec NanoPC T6/T6-LTS boards.
The regulator vdd_npu_s0 was already described.

Signed-off-by: Ricardo Pardini <ricardo@...dini.net>
---
 arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
index fafeabe9adf9e..93bd479118e92 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
@@ -629,6 +629,10 @@ &pd_gpu {
 	domain-supply = <&vdd_gpu_s0>;
 };
 
+&pd_npu {
+	domain-supply = <&vdd_npu_s0>;
+};
+
 &pinctrl {
 	gpio-leds {
 		sys_led_pin: sys-led-pin {
@@ -706,6 +710,37 @@ &pwm1 {
 	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";
+};
+
+
 &saradc {
 	vref-supply = <&avcc_1v8_s0>;
 	status = "okay";

-- 
2.52.0