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Fri, 24 Apr 2026 16:21:10 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 1477805861798057828 EX-QQ-RecipientCnt: 20 From: Troy Mitchell Date: Fri, 24 Apr 2026 16:20:29 +0800 Subject: [PATCH v3 1/5] dt-bindings: dmaengine: Add SpacemiT K3 DMA compatible string Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260424-k3-pdma-v3-1-efdf2e414a08@linux.spacemit.com> References: <20260424-k3-pdma-v3-0-efdf2e414a08@linux.spacemit.com> In-Reply-To: <20260424-k3-pdma-v3-0-efdf2e414a08@linux.spacemit.com> To: Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Guodong Xu , Michael Turquette , Stephen Boyd , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Troy Mitchell X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777018865; l=1083; i=troy.mitchell@linux.spacemit.com; s=20250710; h=from:subject:message-id; bh=Lo/DwZzuoZUiWvEIhHh7o6kJxCCRQoshN/v5iQysrmY=; b=vnCQ3ZLAs9KSQIQnKxxJvybwJqfP/CL41CYNlk5lBFzIuIXAy5Vfjir+tJ9zfG/3FzU1IBUo/ JtOShwruYsmDrmsPAwEtoEvZVUD/xw58L517uzVgSsKfQ7ka0FVF2pK X-Developer-Key: i=troy.mitchell@linux.spacemit.com; a=ed25519; pk=lQa7BzLrq8DfZnChqmwJ5qQk8fP2USmY/4xZ2/MSsXc= X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:linux.spacemit.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: NvH2zBBgt3uT3LqkNSbETk4XKvG8OIUj+p436IV9O2xhzCTBcY/AdgX5 MsEFhI4z9FzVHYTkmLyVvxKU72gdZ7tdcnHc1p7qipATbtUNPrzWviUvNRxfXQtcjlaf7ei mwJf17awioDD6nTx2X5JrEJgPJCp8chBKCPlOaIhnwJhdV+sP4Pd9rWNhjkzZVsUQtj7M96 YB5azintr1nfrKSIYUGatdF+kDRSMxrhQa1mpASE2XWJn5EpBYQTVJefF3H3vPkTE9L+zx9 zK693npWbynorh4xaIfCFbV7bgVUE+9NJ9+UjW12H2oaj3BT5NDW5hbxDYsHBi1vryABYJw fiHBUgr2eLV8sDsSRWy2ZHlitk1OPb+gEUBwxgNvnQWnNHdT92wn+HaW23Nymt0dnOZR4KQ /RXbkD7/kq6HDFSynsO09llYnnJ9X4HwK0ovbfNlKmRu4S9GWvfIrw7MvVl2HxhobElnZTB hKHw3r4X1hQTyM0ZFGjDk/tqcNs8uqxubBB14/+FI1E4UduZms3aGenuvAXaRnXq9/qA3F7 qx9X7GKjuJOqbNFqBVJXWF5UpO+n3gqx6cxIIbf0e7hcYVRi4LQmMocXP94UGIFcf7DQdF9 Tm1F7635RHbR/WOhQJPMBRvQsfxggHkHNQ5v0D6kuLbF6vwsD6vCKwfox/KlN6Lj7bUua0e 5rTOEs0AynqW01secAnIFg0TKEP+EgyNJpJP1DKk8KCh/KfTLevBEyeW2J5f8zxYOWhIaEy 8GFeMiDm37VaMPvn2xullOwqSPObHt00crPj2P6flxueXbOHTl2ntEnLXJ8V9fsrwolKOwJ XxWPfYqlflz57p3vy4OIwqHWucJM2BRSvZHMOwa0dMSy8FcClZ4uSg7ANZyOfrk5uLBOCcH iGjiwLbPoQrtNsZWOaY0zmBwLAuOn/bkf/lp28mUsCxK9EidK9efh4c+twpF2whev4NDTue 5L0wErhUoPPgXgi4Zs0+Woq4BkElL0jPoJdPBB7946adBrwdVfua50ADqw8DrgcBlMcYzWE Mv2xY3b1iMMlGYbPOfc6s1tjluk6VXHBXN1F/ou0SNCwVPzeDZYS39M9LBqBM7ZsPClIiag 9NzOpoMoo8OHX6mnNQzJD25aUR8lkJVMW8Rnu9io4HE X-QQ-XMRINFO: Mp0Kj//9VHAxzExpfF+O8yhSrljjwrznVg== X-QQ-RECHKSPAM: 0 From: Guodong Xu Add the "spacemit,k3-pdma" compatible string for the SpacemiT K3 SoC. While the K3 PDMA IP reuses most of the design found on the earlier K1 SoC, a new compatible string is required because the DRCMR (DMA Request/Command Register) base address for extended DMA request numbers (>= 64) differs from the K1 implementation. Signed-off-by: Guodong Xu Signed-off-by: Troy Mitchell --- Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml b/Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml index ec06235baf5c..62ce6d81526b 100644 --- a/Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml +++ b/Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml @@ -14,7 +14,9 @@ allOf: properties: compatible: - const: spacemit,k1-pdma + enum: + - spacemit,k1-pdma + - spacemit,k3-pdma reg: maxItems: 1 -- 2.53.0