From: Keguang Zhang via B4 Relay <devnull+keguang.zhang.gmail.com@kernel.org> To: Keguang Zhang <keguang.zhang@gmail.com>, Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org> Cc: linux-mips@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 1/2] dt-bindings: dma: Add Loongson-1 DMA Date: Sat, 16 Mar 2024 19:33:53 +0800 [thread overview] Message-ID: <20240316-loongson1-dma-v6-1-90de2c3cc928@gmail.com> (raw) In-Reply-To: <20240316-loongson1-dma-v6-0-90de2c3cc928@gmail.com> From: Keguang Zhang <keguang.zhang@gmail.com> Add devicetree binding document for Loongson-1 DMA. Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com> --- V5 -> V6: Change the compatible to the fallback Some minor fixes V4 -> V5: A newly added patch --- .../devicetree/bindings/dma/loongson,ls1x-dma.yaml | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml b/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml new file mode 100644 index 000000000000..06358df725c6 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/loongson,ls1x-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-1 DMA Controller + +maintainers: + - Keguang Zhang <keguang.zhang@gmail.com> + +description: + Loongson-1 DMA controller provides 3 independent channels for + peripherals such as NAND and AC97. + +properties: + compatible: + oneOf: + - const: loongson,ls1b-dma + - items: + - enum: + - loongson,ls1c-dma + - const: loongson,ls1b-dma + + reg: + maxItems: 1 + + interrupts: + description: Each channel has a dedicated interrupt line. + minItems: 1 + maxItems: 3 + + interrupt-names: + minItems: 1 + items: + - pattern: ch0 + - pattern: ch1 + - pattern: ch2 + + '#dma-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - '#dma-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + dma-controller@1fd01160 { + compatible = "loongson,ls1b-dma"; + reg = <0x1fd01160 0x4>; + + interrupt-parent = <&intc0>; + interrupts = <13 IRQ_TYPE_EDGE_RISING>, + <14 IRQ_TYPE_EDGE_RISING>, + <15 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ch0", "ch1", "ch2"; + + #dma-cells = <1>; + }; -- 2.40.1
WARNING: multiple messages have this Message-ID (diff)
From: Keguang Zhang <keguang.zhang@gmail.com> To: Keguang Zhang <keguang.zhang@gmail.com>, Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org> Cc: linux-mips@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 1/2] dt-bindings: dma: Add Loongson-1 DMA Date: Sat, 16 Mar 2024 19:33:53 +0800 [thread overview] Message-ID: <20240316-loongson1-dma-v6-1-90de2c3cc928@gmail.com> (raw) In-Reply-To: <20240316-loongson1-dma-v6-0-90de2c3cc928@gmail.com> Add devicetree binding document for Loongson-1 DMA. Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com> --- V5 -> V6: Change the compatible to the fallback Some minor fixes V4 -> V5: A newly added patch --- .../devicetree/bindings/dma/loongson,ls1x-dma.yaml | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml b/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml new file mode 100644 index 000000000000..06358df725c6 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/loongson,ls1x-dma.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/loongson,ls1x-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-1 DMA Controller + +maintainers: + - Keguang Zhang <keguang.zhang@gmail.com> + +description: + Loongson-1 DMA controller provides 3 independent channels for + peripherals such as NAND and AC97. + +properties: + compatible: + oneOf: + - const: loongson,ls1b-dma + - items: + - enum: + - loongson,ls1c-dma + - const: loongson,ls1b-dma + + reg: + maxItems: 1 + + interrupts: + description: Each channel has a dedicated interrupt line. + minItems: 1 + maxItems: 3 + + interrupt-names: + minItems: 1 + items: + - pattern: ch0 + - pattern: ch1 + - pattern: ch2 + + '#dma-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - '#dma-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + dma-controller@1fd01160 { + compatible = "loongson,ls1b-dma"; + reg = <0x1fd01160 0x4>; + + interrupt-parent = <&intc0>; + interrupts = <13 IRQ_TYPE_EDGE_RISING>, + <14 IRQ_TYPE_EDGE_RISING>, + <15 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ch0", "ch1", "ch2"; + + #dma-cells = <1>; + }; -- 2.40.1
next prev parent reply other threads:[~2024-03-16 11:34 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-16 11:33 [PATCH v6 0/2] Add support for Loongson1 DMA Keguang Zhang via B4 Relay 2024-03-16 11:33 ` Keguang Zhang 2024-03-16 11:33 ` Keguang Zhang via B4 Relay [this message] 2024-03-16 11:33 ` [PATCH v6 1/2] dt-bindings: dma: Add Loongson-1 DMA Keguang Zhang 2024-03-17 14:40 ` Conor Dooley 2024-03-18 6:18 ` Keguang Zhang 2024-03-18 11:29 ` Conor Dooley 2024-03-19 2:16 ` Keguang Zhang 2024-03-19 8:28 ` Keguang Zhang 2024-03-16 11:33 ` [PATCH v6 2/2] dmaengine: Loongson1: Add Loongson1 dmaengine driver Keguang Zhang via B4 Relay 2024-03-16 11:33 ` Keguang Zhang 2024-03-16 14:04 ` [PATCH v6 0/2] Add support for Loongson1 DMA Huacai Chen 2024-03-18 2:07 ` Keguang Zhang 2024-03-18 7:31 ` Huacai Chen 2024-03-18 11:28 ` Conor Dooley 2024-03-18 14:26 ` Huacai Chen 2024-03-18 15:42 ` Conor Dooley 2024-03-19 2:32 ` Keguang Zhang 2024-03-19 2:40 ` Huacai Chen 2024-03-19 17:40 ` Conor Dooley 2024-03-20 2:27 ` Keguang Zhang
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