From: Jiaxing Hu <gahing@gahingwoo.com>
To: tomeu@tomeuvizoso.net, heiko@sntech.de, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, ulfh@kernel.org,
p.zabel@pengutronix.de, ogabbay@kernel.org
Cc: royalnet026@gmail.com, alchark@flipper.net,
chaoyi.chen@rock-chips.com, krzk@kernel.org, will@kernel.org,
dri-devel@lists.freedesktop.org,
linux-rockchip@lists.infradead.org, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Jiaxing Hu <gahing@gahingwoo.com>
Subject: [RFC PATCH v4 6/6] arm64: dts: rockchip: rk3576-rock-4d: enable NPU
Date: Mon, 3 Aug 2026 21:41:25 +1200 [thread overview]
Message-ID: <20260803094125.3285895-7-gahing@gahingwoo.com> (raw)
In-Reply-To: <20260803094125.3285895-1-gahing@gahingwoo.com>
Enable rknn_core_0 and its IOMMU on the Radxa ROCK 4D and supply the
core from vdd_npu_s0.
Signed-off-by: Jiaxing Hu <gahing@gahingwoo.com>
---
arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
index 272af1012..965e0906b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
@@ -442,6 +442,7 @@ regulator-state-mem {
};
vdd_npu_s0: dcdc-reg2 {
+ regulator-always-on;
regulator-boot-on;
regulator-enable-ramp-delay = <400>;
regulator-min-microvolt = <550000>;
@@ -869,3 +870,12 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
remote-endpoint = <&hdmi_in_vp0>;
};
};
+
+&rknn_core_0 {
+ npu-supply = <&vdd_npu_s0>;
+ status = "okay";
+};
+
+&rknn_mmu_0 {
+ status = "okay";
+};
--
2.43.0
prev parent reply other threads:[~2026-08-03 9:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 9:41 [RFC PATCH v4 0/6] accel/rocket: RK3576 NPU (RKNN) enablement Jiaxing Hu
2026-08-03 9:41 ` [RFC PATCH v4 1/6] dt-bindings: npu: rockchip: add rockchip,rk3576-rknn-core Jiaxing Hu
2026-08-03 9:41 ` [RFC PATCH v4 2/6] pmdomain/rockchip: add optional per-domain power-on settle delay Jiaxing Hu
2026-08-03 9:41 ` [RFC PATCH v4 3/6] pmdomain/rockchip: cycle optional power-domain resets on power-on Jiaxing Hu
2026-08-03 9:41 ` [RFC PATCH v4 4/6] accel/rocket: add RK3576 NPU (RKNN) support Jiaxing Hu
2026-08-03 15:44 ` Igor Paunovic
2026-08-03 9:41 ` [RFC PATCH v4 5/6] arm64: dts: rockchip: rk3576: add NPU (RKNN) nodes Jiaxing Hu
2026-08-03 16:05 ` Igor Paunovic
2026-08-03 9:41 ` Jiaxing Hu [this message]
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