Enable the NPU and its IOMMU on ROCK 3B. vdd_npu is marked always-on so the rail is up before genpd de-idles the NPU NoC at power-on: the PMU de-idle handshake needs the rail powered. The PVTPLL compute clock is brought up later by the driver.
Signed-off-by: Midgy BALON <[email protected]> --- arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts index 69001e453732e..7ac780ed313d5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts @@ -330,8 +330,10 @@ regulator-state-mem { vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; + regulator-always-on; + regulator-boot-on; regulator-initial-mode = <0x2>; - regulator-min-microvolt = <500000>; + regulator-min-microvolt = <825000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; @@ -787,3 +789,13 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 { remote-endpoint = <&hdmi_in_vp0>; }; }; + +&rknn_core_0 { + npu-supply = <&vdd_npu>; + status = "okay"; +}; + +&rknn_mmu_0 { + status = "okay"; +}; + -- 2.39.5
