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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2020-02-22 12:20:42 +0100 |
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committer | Rob Herring <robh@kernel.org> | 2020-02-26 23:14:37 +0100 |
commit | 7ebec90559ff772783208c88510632d0ced90da6 (patch) | |
tree | b7b6877fdb8d10179e934719e6b12a08c8a2117f | |
parent | dt-bindings: interrupt-controller: Convert UniPhier AIDET to json-schema (diff) | |
download | linux-7ebec90559ff772783208c88510632d0ced90da6.tar.xz linux-7ebec90559ff772783208c88510632d0ced90da6.zip |
dt-bindings: dma: Convert UniPhier MIO DMA controller to json-schema
Convert the UniPhier MIO (Media I/O) DMA controller binding to DT
schema format.
While I was here, I added the resets property.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/dma/socionext,uniphier-mio-dmac.yaml | 63 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/dma/uniphier-mio-dmac.txt | 25 |
2 files changed, 63 insertions, 25 deletions
diff --git a/Documentation/devicetree/bindings/dma/socionext,uniphier-mio-dmac.yaml b/Documentation/devicetree/bindings/dma/socionext,uniphier-mio-dmac.yaml new file mode 100644 index 000000000000..e7bf6dd7da29 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/socionext,uniphier-mio-dmac.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/socionext,uniphier-mio-dmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: UniPhier Media IO DMA controller + +description: | + This works as an external DMA engine for SD/eMMC controllers etc. + found in UniPhier LD4, Pro4, sLD8 SoCs. + +maintainers: + - Masahiro Yamada <yamada.masahiro@socionext.com> + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + const: socionext,uniphier-mio-dmac + + reg: + maxItems: 1 + + interrupts: + description: | + A list of interrupt specifiers associated with the DMA channels. + The number of interrupt lines is SoC-dependent. + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + '#dma-cells': + description: The single cell represents the channel index. + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - '#dma-cells' + +additionalProperties: false + +examples: + - | + // In the example below, "interrupts = <0 68 4>, <0 68 4>, ..." is not a + // typo. The first two channels share a single interrupt line. + + dmac: dma-controller@5a000000 { + compatible = "socionext,uniphier-mio-dmac"; + reg = <0x5a000000 0x1000>; + interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>, + <0 71 4>, <0 72 4>, <0 73 4>, <0 74 4>; + clocks = <&mio_clk 7>; + resets = <&mio_rst 7>; + #dma-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/dma/uniphier-mio-dmac.txt b/Documentation/devicetree/bindings/dma/uniphier-mio-dmac.txt deleted file mode 100644 index b12388dc7eac..000000000000 --- a/Documentation/devicetree/bindings/dma/uniphier-mio-dmac.txt +++ /dev/null @@ -1,25 +0,0 @@ -UniPhier Media IO DMA controller - -This works as an external DMA engine for SD/eMMC controllers etc. -found in UniPhier LD4, Pro4, sLD8 SoCs. - -Required properties: -- compatible: should be "socionext,uniphier-mio-dmac". -- reg: offset and length of the register set for the device. -- interrupts: a list of interrupt specifiers associated with the DMA channels. -- clocks: a single clock specifier. -- #dma-cells: should be <1>. The single cell represents the channel index. - -Example: - dmac: dma-controller@5a000000 { - compatible = "socionext,uniphier-mio-dmac"; - reg = <0x5a000000 0x1000>; - interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>, - <0 71 4>, <0 72 4>, <0 73 4>, <0 74 4>; - clocks = <&mio_clk 7>; - #dma-cells = <1>; - }; - -Note: -In the example above, "interrupts = <0 68 4>, <0 68 4>, ..." is not a typo. -The first two channels share a single interrupt line. |