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Fri, 12 Jun 2026 23:58:38 -0700 (PDT) From: MidG971 To: tomeu@tomeuvizoso.net, ogabbay@kernel.org, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ulf.hansson@linaro.org Cc: dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, xxm@rock-chips.com, chaoyi.chen@rock-chips.com, finley.xiao@rock-chips.com, diederik@cknow-tech.com, jonas@kwiboo.se, Midgy BALON Subject: [RFC PATCH v4 6/9] dt-bindings: npu: rockchip,rk3588-rknn-core: Add RK3568 Date: Sat, 13 Jun 2026 09:01:13 +0200 Message-Id: <20260613070116.438906-7-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260613070116.438906-1-midgy971@gmail.com> References: <20260613070116.438906-1-midgy971@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Midgy BALON The RK3568 carries a single core of the same NVDLA-derived NPU IP as the RK3588. Add its compatible. On RK3568 the NPU NoC bus-idle and power gating are controlled through the system PMU rather than a dedicated register block, so add a rockchip,pmu phandle to that syscon. The RK3568 NPU has no dedicated SRAM rail, so sram-supply is required only on RK3588. Signed-off-by: Midgy BALON --- .../npu/rockchip,rk3588-rknn-core.yaml | 27 ++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml index caca2a4903cd1..e0b948ac47d45 100644 --- a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml +++ b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml @@ -21,6 +21,7 @@ properties: compatible: enum: + - rockchip,rk3568-rknn-core - rockchip,rk3588-rknn-core reg: @@ -50,6 +51,13 @@ properties: npu-supply: true + rockchip,pmu: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the PMU syscon. On RK3568 the NPU's NoC bus-idle and + power gating are controlled through the PMU; this points to that + syscon so those registers can be reached. + power-domains: maxItems: 1 @@ -75,7 +83,24 @@ required: - resets - reset-names - npu-supply - - sram-supply + +allOf: + - if: + properties: + compatible: + contains: + const: rockchip,rk3588-rknn-core + then: + required: + - sram-supply + - if: + properties: + compatible: + contains: + const: rockchip,rk3568-rknn-core + then: + required: + - rockchip,pmu additionalProperties: false -- 2.39.5