diff mbox series

[v9,1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma

Message ID 1633438536-11399-2-git-send-email-akhilrajeev@nvidia.com (mailing list archive)
State Superseded
Headers show
Series Add NVIDIA Tegra GPC-DMA driver | expand

Commit Message

Akhil R Oct. 5, 2021, 12:55 p.m. UTC 
Add DT binding document for NVIDIA Tegra GPCDMA controller.

Signed-off-by: Rajesh Gumasta <rgumasta@nvidia.com>
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
---
 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml      | 108 +++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml

Comments

Vinod Koul Oct. 25, 2021, 5:50 a.m. UTC | #1 
On 05-10-21, 18:25, Akhil R wrote:
> Add DT binding document for NVIDIA Tegra GPCDMA controller.

why is Rob and DT list not cced here?

> 
> Signed-off-by: Rajesh Gumasta <rgumasta@nvidia.com>
> Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
> Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
> ---
>  .../bindings/dma/nvidia,tegra186-gpc-dma.yaml      | 108 +++++++++++++++++++++
>  1 file changed, 108 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> 
> diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> new file mode 100644
> index 0000000..d3f58d8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> @@ -0,0 +1,108 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings
> +
> +description: |
> +  The Tegra General Purpose Central (GPC) DMA controller is used for faster
> +  data transfers between memory to memory, memory to device and device to
> +  memory.
> +
> +maintainers:
> +  - Jon Hunter <jonathanh@nvidia.com>
> +  - Rajesh Gumasta <rgumasta@nvidia.com>
> +
> +allOf:
> +  - $ref: "dma-controller.yaml#"
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +        - nvidia,tegra186-gpcdma
> +        - nvidia,tegra194-gpcdma
> +      - items:
> +        - const: nvidia,tegra186-gpcdma
> +        - const: nvidia,tegra194-gpcdma
> +
> +  "#dma-cells":
> +    const: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 32
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    const: gpcdma
> +
> +  iommus:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - resets
> +  - reset-names
> +  - "#dma-cells"
> +  - iommus
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/memory/tegra186-mc.h>
> +    #include <dt-bindings/reset/tegra186-reset.h>
> +
> +    gpcdma:dma-controller@2600000 {
> +        compatible = "nvidia,tegra186-gpcdma";
> +        reg = <0x2600000 0x0>;
> +        resets = <&bpmp TEGRA186_RESET_GPCDMA>;
> +        reset-names = "gpcdma";
> +        interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
> +        #dma-cells = <1>;
> +        iommus = <&smmu TEGRA186_SID_GPCDMA_0>;
> +        dma-coherent;
> +    };
> +...
> -- 
> 2.7.4
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
new file mode 100644
index 0000000..d3f58d8
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
@@ -0,0 +1,108 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings
+
+description: |
+  The Tegra General Purpose Central (GPC) DMA controller is used for faster
+  data transfers between memory to memory, memory to device and device to
+  memory.
+
+maintainers:
+  - Jon Hunter <jonathanh@nvidia.com>
+  - Rajesh Gumasta <rgumasta@nvidia.com>
+
+allOf:
+  - $ref: "dma-controller.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+        - nvidia,tegra186-gpcdma
+        - nvidia,tegra194-gpcdma
+      - items:
+        - const: nvidia,tegra186-gpcdma
+        - const: nvidia,tegra194-gpcdma
+
+  "#dma-cells":
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 32
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: gpcdma
+
+  iommus:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - resets
+  - reset-names
+  - "#dma-cells"
+  - iommus
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/memory/tegra186-mc.h>
+    #include <dt-bindings/reset/tegra186-reset.h>
+
+    gpcdma:dma-controller@2600000 {
+        compatible = "nvidia,tegra186-gpcdma";
+        reg = <0x2600000 0x0>;
+        resets = <&bpmp TEGRA186_RESET_GPCDMA>;
+        reset-names = "gpcdma";
+        interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+        #dma-cells = <1>;
+        iommus = <&smmu TEGRA186_SID_GPCDMA_0>;
+        dma-coherent;
+    };
+...