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dt-bindings: dma: Add Cirrus EP93xx
Add YAML bindings for ep93xx SoC DMA. Signed-off-by: Nikita Shubin <[email protected]> Tested-by: Alexander Sverdlin <[email protected]> Reviewed-by: Krzysztof Kozlowski <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Acked-by: Vinod Koul <[email protected]> Acked-by: Miquel Raynal <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]>
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‎Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2m.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2m.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cirrus Logic ep93xx SoC DMA controller
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maintainers:
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- Alexander Sverdlin <[email protected]>
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- Nikita Shubin <[email protected]>
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allOf:
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- $ref: dma-controller.yaml#
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properties:
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compatible:
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oneOf:
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- const: cirrus,ep9301-dma-m2m
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- items:
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- enum:
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- cirrus,ep9302-dma-m2m
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- cirrus,ep9307-dma-m2m
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- cirrus,ep9312-dma-m2m
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- cirrus,ep9315-dma-m2m
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- const: cirrus,ep9301-dma-m2m
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reg:
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items:
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- description: m2m0 channel registers
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- description: m2m1 channel registers
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clocks:
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items:
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- description: m2m0 channel gate clock
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- description: m2m1 channel gate clock
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clock-names:
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items:
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- const: m2m0
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- const: m2m1
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interrupts:
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items:
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- description: m2m0 channel interrupt
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- description: m2m1 channel interrupt
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'#dma-cells':
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const: 2
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description: |
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The first cell is the unique device channel number as indicated by this
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table for ep93xx:
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10: SPI controller
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11: IDE controller
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The second cell is the DMA direction line number:
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1: Memory to device
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2: Device to memory
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/cirrus,ep9301-syscon.h>
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dma-controller@80000100 {
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compatible = "cirrus,ep9301-dma-m2m";
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reg = <0x80000100 0x0040>,
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<0x80000140 0x0040>;
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clocks = <&syscon EP93XX_CLK_M2M0>,
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<&syscon EP93XX_CLK_M2M1>;
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clock-names = "m2m0", "m2m1";
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interrupt-parent = <&vic0>;
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interrupts = <17>, <18>;
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#dma-cells = <2>;
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};

‎Documentation/devicetree/bindings/dma/cirrus,ep9301-dma-m2p.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/dma/cirrus,ep9301-dma-m2p.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cirrus Logic ep93xx SoC M2P DMA controller
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maintainers:
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- Alexander Sverdlin <[email protected]>
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- Nikita Shubin <[email protected]>
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allOf:
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- $ref: dma-controller.yaml#
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properties:
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compatible:
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oneOf:
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- const: cirrus,ep9301-dma-m2p
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- items:
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- enum:
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- cirrus,ep9302-dma-m2p
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- cirrus,ep9307-dma-m2p
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- cirrus,ep9312-dma-m2p
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- cirrus,ep9315-dma-m2p
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- const: cirrus,ep9301-dma-m2p
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reg:
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items:
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- description: m2p0 channel registers
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- description: m2p1 channel registers
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- description: m2p2 channel registers
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- description: m2p3 channel registers
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- description: m2p4 channel registers
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- description: m2p5 channel registers
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- description: m2p6 channel registers
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- description: m2p7 channel registers
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- description: m2p8 channel registers
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- description: m2p9 channel registers
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clocks:
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items:
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- description: m2p0 channel gate clock
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- description: m2p1 channel gate clock
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- description: m2p2 channel gate clock
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- description: m2p3 channel gate clock
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- description: m2p4 channel gate clock
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- description: m2p5 channel gate clock
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- description: m2p6 channel gate clock
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- description: m2p7 channel gate clock
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- description: m2p8 channel gate clock
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- description: m2p9 channel gate clock
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clock-names:
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items:
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- const: m2p0
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- const: m2p1
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- const: m2p2
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- const: m2p3
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- const: m2p4
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- const: m2p5
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- const: m2p6
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- const: m2p7
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- const: m2p8
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- const: m2p9
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interrupts:
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items:
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- description: m2p0 channel interrupt
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- description: m2p1 channel interrupt
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- description: m2p2 channel interrupt
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- description: m2p3 channel interrupt
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- description: m2p4 channel interrupt
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- description: m2p5 channel interrupt
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- description: m2p6 channel interrupt
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- description: m2p7 channel interrupt
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- description: m2p8 channel interrupt
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- description: m2p9 channel interrupt
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'#dma-cells':
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const: 2
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description: |
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The first cell is the unique device channel number as indicated by this
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table for ep93xx:
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0: I2S channel 1
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1: I2S channel 2 (unused)
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2: AC97 channel 1 (unused)
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3: AC97 channel 2 (unused)
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4: AC97 channel 3 (unused)
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5: I2S channel 3 (unused)
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6: UART1 (unused)
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7: UART2 (unused)
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8: UART3 (unused)
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9: IRDA (unused)
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The second cell is the DMA direction line number:
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1: Memory to device
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2: Device to memory
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/cirrus,ep9301-syscon.h>
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dma-controller@80000000 {
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compatible = "cirrus,ep9301-dma-m2p";
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reg = <0x80000000 0x0040>,
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<0x80000040 0x0040>,
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<0x80000080 0x0040>,
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<0x800000c0 0x0040>,
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<0x80000240 0x0040>,
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<0x80000200 0x0040>,
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<0x800002c0 0x0040>,
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<0x80000280 0x0040>,
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<0x80000340 0x0040>,
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<0x80000300 0x0040>;
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clocks = <&syscon EP93XX_CLK_M2P0>,
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<&syscon EP93XX_CLK_M2P1>,
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<&syscon EP93XX_CLK_M2P2>,
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<&syscon EP93XX_CLK_M2P3>,
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<&syscon EP93XX_CLK_M2P4>,
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<&syscon EP93XX_CLK_M2P5>,
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<&syscon EP93XX_CLK_M2P6>,
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<&syscon EP93XX_CLK_M2P7>,
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<&syscon EP93XX_CLK_M2P8>,
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<&syscon EP93XX_CLK_M2P9>;
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clock-names = "m2p0", "m2p1",
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"m2p2", "m2p3",
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"m2p4", "m2p5",
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"m2p6", "m2p7",
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"m2p8", "m2p9";
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interrupt-parent = <&vic0>;
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interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>;
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#dma-cells = <2>;
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};

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