[RFC PATCH v3 6/6] arm64: dts: rockchip: rk3576-rock-4d: enable NPU
Jiaxing Hu <[email protected]>
| Newsgroups | org.kernel.vger.linux-pm,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Enable rknn_core_0 and its IOMMU on the Radxa ROCK 4D and supply the core from vdd_npu_s0. The core is listed on both NPU power domains, as the vendor does from its single NPU node. Signed-off-by: Jiaxing Hu <[email protected]> --- arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 16 ++++++++++++++++ 1 file changed, 16 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..09d2fc98b 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 +870,18 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 { remote-endpoint = <&hdmi_in_vp0>; }; }; + +&rknn_core_0 { + npu-supply = <&vdd_npu_s0>; + /* + * Power BOTH NPU domains (NPU0 + NPU1) like the vendor's single NPU node, + * even though rocket computes only on core 0: the CBUF->CMAC read path is + * only fully powered with NPU1 up. rocket attaches the multi-PD list. + */ + power-domains = <&power RK3576_PD_NPU0>, <&power RK3576_PD_NPU1>; + status = "okay"; +}; + +&rknn_mmu_0 { + status = "okay"; +}; -- 2.43.0