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([51.37.234.167]) by smtp.gmail.com with ESMTPSA id u23-20020a7bcb17000000b0039aef592ca0sm3834371wmj.35.2022.06.29.11.44.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jun 2022 11:44:43 -0700 (PDT) From: Conor Dooley To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Sam Ravnborg , Eugeniy Paltsev , Vinod Koul , Liam Girdwood , Mark Brown , Serge Semin , Daniel Lezcano , Palmer Dabbelt , Palmer Dabbelt Cc: Thomas Gleixner , Paul Walmsley , Albert Ou , Conor Dooley , Masahiro Yamada , Damien Le Moal , Geert Uytterhoeven , Niklas Cassel , Dillon Min , Jose Abreu , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, alsa-devel@alsa-project.org, linux-spi@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v3 05/15] dt-bindings: dma: dw-axi-dmac: extend the number of interrupts Date: Wed, 29 Jun 2022 19:43:34 +0100 Message-Id: <20220629184343.3438856-6-mail@conchuod.ie> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220629184343.3438856-1-mail@conchuod.ie> References: <20220629184343.3438856-1-mail@conchuod.ie> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220629_114446_493149_63241B14 X-CRM114-Status: GOOD ( 12.88 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Conor Dooley The Canaan k210 apparently has a Sysnopsys Designware AXI DMA controller, but according to the documentation & devicetree it has 6 interrupts rather than the standard one. Support the 6 interrupt configuration by unconditionally extending the binding to a maximum of 8 per-channel interrupts thereby matching the number of possible channels. Link: https://canaan-creative.com/wp-content/uploads/2020/03/kendryte_standalone_programming_guide_20190311144158_en.pdf #Page 51 Signed-off-by: Conor Dooley Reviewed-by: Serge Semin Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index 4324a94b26b2..e33ef22aec9c 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -34,7 +34,9 @@ properties: - const: axidma_apb_regs interrupts: - maxItems: 1 + description: per channel interrupts + minItems: 1 + maxItems: 8 clocks: items: