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    Subject[PATCH v6 09/40] dt-bindings: dma: Add Cirrus EP93xx
    From: Nikita Shubin <nikita.shubin@maquefel.me>

    Add YAML bindings for ep93xx SoC DMA.

    Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
    Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
    ---
    .../bindings/dma/cirrus,ep9301-dma-m2m.yaml | 84 ++++++++++++
    .../bindings/dma/cirrus,ep9301-dma-m2p.yaml | 144 +++++++++++++++++++++
    2 files changed, 228 insertions(+)

    diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml
    new file mode 100644
    index 000000000000..871b76ddf90f
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml
    @@ -0,0 +1,84 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2m.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Cirrus Logic ep93xx SoC DMA controller
    +
    +maintainers:
    + - Alexander Sverdlin <alexander.sverdlin@gmail.com>
    + - Nikita Shubin <nikita.shubin@maquefel.me>
    +
    +allOf:
    + - $ref: dma-controller.yaml#
    +
    +properties:
    + compatible:
    + oneOf:
    + - const: cirrus,ep9301-dma-m2m
    + - items:
    + - enum:
    + - cirrus,ep9302-dma-m2m
    + - cirrus,ep9307-dma-m2m
    + - cirrus,ep9312-dma-m2m
    + - cirrus,ep9315-dma-m2m
    + - const: cirrus,ep9301-dma-m2m
    +
    + reg:
    + items:
    + - description: m2m0 channel registers
    + - description: m2m1 channel registers
    +
    + clocks:
    + items:
    + - description: m2m0 channel gate clock
    + - description: m2m1 channel gate clock
    +
    + clock-names:
    + items:
    + - const: m2m0
    + - const: m2m1
    +
    + interrupts:
    + items:
    + - description: m2m0 channel interrupt
    + - description: m2m1 channel interrupt
    +
    + '#dma-cells':
    + const: 2
    + description: |
    + The first cell is the unique device channel number as indicated by this
    + table for ep93xx:
    +
    + 10: SPI controller
    + 11: IDE controller
    +
    + The second cell is the DMA direction line number:
    +
    + 1: Memory to device
    + 2: Device to memory
    +
    +required:
    + - compatible
    + - reg
    + - clocks
    + - clock-names
    + - interrupts
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
    + dma-controller@80000100 {
    + compatible = "cirrus,ep9301-dma-m2m";
    + reg = <0x80000100 0x0040>,
    + <0x80000140 0x0040>;
    + clocks = <&syscon EP93XX_CLK_M2M0>,
    + <&syscon EP93XX_CLK_M2M1>;
    + clock-names = "m2m0", "m2m1";
    + interrupt-parent = <&vic0>;
    + interrupts = <17>, <18>;
    + #dma-cells = <2>;
    + };
    diff --git a/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml
    new file mode 100644
    index 000000000000..d14c31553543
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml
    @@ -0,0 +1,144 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Cirrus Logic ep93xx SoC M2P DMA controller
    +
    +maintainers:
    + - Alexander Sverdlin <alexander.sverdlin@gmail.com>
    + - Nikita Shubin <nikita.shubin@maquefel.me>
    +
    +allOf:
    + - $ref: dma-controller.yaml#
    +
    +properties:
    + compatible:
    + oneOf:
    + - const: cirrus,ep9301-dma-m2p
    + - items:
    + - enum:
    + - cirrus,ep9302-dma-m2p
    + - cirrus,ep9307-dma-m2p
    + - cirrus,ep9312-dma-m2p
    + - cirrus,ep9315-dma-m2p
    + - const: cirrus,ep9301-dma-m2p
    +
    + reg:
    + items:
    + - description: m2p0 channel registers
    + - description: m2p1 channel registers
    + - description: m2p2 channel registers
    + - description: m2p3 channel registers
    + - description: m2p4 channel registers
    + - description: m2p5 channel registers
    + - description: m2p6 channel registers
    + - description: m2p7 channel registers
    + - description: m2p8 channel registers
    + - description: m2p9 channel registers
    +
    + clocks:
    + items:
    + - description: m2p0 channel gate clock
    + - description: m2p1 channel gate clock
    + - description: m2p2 channel gate clock
    + - description: m2p3 channel gate clock
    + - description: m2p4 channel gate clock
    + - description: m2p5 channel gate clock
    + - description: m2p6 channel gate clock
    + - description: m2p7 channel gate clock
    + - description: m2p8 channel gate clock
    + - description: m2p9 channel gate clock
    +
    + clock-names:
    + items:
    + - const: m2p0
    + - const: m2p1
    + - const: m2p2
    + - const: m2p3
    + - const: m2p4
    + - const: m2p5
    + - const: m2p6
    + - const: m2p7
    + - const: m2p8
    + - const: m2p9
    +
    + interrupts:
    + items:
    + - description: m2p0 channel interrupt
    + - description: m2p1 channel interrupt
    + - description: m2p2 channel interrupt
    + - description: m2p3 channel interrupt
    + - description: m2p4 channel interrupt
    + - description: m2p5 channel interrupt
    + - description: m2p6 channel interrupt
    + - description: m2p7 channel interrupt
    + - description: m2p8 channel interrupt
    + - description: m2p9 channel interrupt
    +
    + '#dma-cells':
    + const: 2
    + description: |
    + The first cell is the unique device channel number as indicated by this
    + table for ep93xx:
    +
    + 0: I2S channel 1
    + 1: I2S channel 2 (unused)
    + 2: AC97 channel 1 (unused)
    + 3: AC97 channel 2 (unused)
    + 4: AC97 channel 3 (unused)
    + 5: I2S channel 3 (unused)
    + 6: UART1 (unused)
    + 7: UART2 (unused)
    + 8: UART3 (unused)
    + 9: IRDA (unused)
    +
    + The second cell is the DMA direction line number:
    +
    + 1: Memory to device
    + 2: Device to memory
    +
    +required:
    + - compatible
    + - reg
    + - clocks
    + - clock-names
    + - interrupts
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
    + dma-controller@80000000 {
    + compatible = "cirrus,ep9301-dma-m2p";
    + reg = <0x80000000 0x0040>,
    + <0x80000040 0x0040>,
    + <0x80000080 0x0040>,
    + <0x800000c0 0x0040>,
    + <0x80000240 0x0040>,
    + <0x80000200 0x0040>,
    + <0x800002c0 0x0040>,
    + <0x80000280 0x0040>,
    + <0x80000340 0x0040>,
    + <0x80000300 0x0040>;
    + clocks = <&syscon EP93XX_CLK_M2P0>,
    + <&syscon EP93XX_CLK_M2P1>,
    + <&syscon EP93XX_CLK_M2P2>,
    + <&syscon EP93XX_CLK_M2P3>,
    + <&syscon EP93XX_CLK_M2P4>,
    + <&syscon EP93XX_CLK_M2P5>,
    + <&syscon EP93XX_CLK_M2P6>,
    + <&syscon EP93XX_CLK_M2P7>,
    + <&syscon EP93XX_CLK_M2P8>,
    + <&syscon EP93XX_CLK_M2P9>;
    + clock-names = "m2p0", "m2p1",
    + "m2p2", "m2p3",
    + "m2p4", "m2p5",
    + "m2p6", "m2p7",
    + "m2p8", "m2p9";
    + interrupt-parent = <&vic0>;
    + interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>;
    + #dma-cells = <2>;
    + };
    --
    2.41.0

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