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Thu, 04 Jun 2026 06:53:02 -0700 (PDT) Received: from compiler-rock3b.tailb81abf.ts.net ([2a01:e0a:104a:4d80:be24:11ff:fe12:2776]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4601f0a43e9sm16661068f8f.0.2026.06.04.06.53.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jun 2026 06:53:02 -0700 (PDT) From: Midgy BALON To: tomeu@tomeuvizoso.net, ogabbay@kernel.org, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joro@8bytes.org, will@kernel.org Cc: robin.murphy@arm.com, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 7/9] dt-bindings: npu: rockchip,rk3588-rknn-core: Add RK3568 Date: Thu, 4 Jun 2026 13:52:53 +0000 Message-Id: <20260604135255.62682-8-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260604135255.62682-1-midgy971@gmail.com> References: <20260604135255.62682-1-midgy971@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260604_145304_741159_9FB0B632 X-CRM114-Status: GOOD ( 10.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 | 18 +++++++++++++++++- 1 file changed, 17 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..af9936b32e9fe 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 +83,15 @@ required: - resets - reset-names - npu-supply - - sram-supply + +if: + properties: + compatible: + contains: + const: rockchip,rk3588-rknn-core +then: + required: + - sram-supply additionalProperties: false -- 2.39.5