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ASoC: convert rockchip spdif bindings to yaml
Current dts files with 'spdif' nodes are manually verified. In order to automate this process rockchip-spdif.txt has to be converted to yaml. Also rk3188.dtsi, rk3288.dtsi use an extra fallback string, so change this in the documentation. Changed: "rockchip,rk3188-spdif", "rockchip,rk3066-spdif" "rockchip,rk3288-spdif", "rockchip,rk3066-spdif" Signed-off-by: Johan Jonker <jbx6244@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200404115225.4314-1-jbx6244@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
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* Rockchip SPDIF transceiver
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The S/PDIF audio block is a stereo transceiver that allows the
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processor to receive and transmit digital audio via an coaxial cable or
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a fibre cable.
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Required properties:
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- compatible: should be one of the following:
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- "rockchip,rk3066-spdif"
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- "rockchip,rk3188-spdif"
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- "rockchip,rk3228-spdif"
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- "rockchip,rk3288-spdif"
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- "rockchip,rk3328-spdif"
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- "rockchip,rk3366-spdif"
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- "rockchip,rk3368-spdif"
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- "rockchip,rk3399-spdif"
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- reg: physical base address of the controller and length of memory mapped
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region.
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- interrupts: should contain the SPDIF interrupt.
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- dmas: DMA specifiers for tx dma. See the DMA client binding,
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Documentation/devicetree/bindings/dma/dma.txt
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- dma-names: should be "tx"
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- clocks: a list of phandle + clock-specifier pairs, one for each entry
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in clock-names.
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- clock-names: should contain following:
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- "hclk": clock for SPDIF controller
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- "mclk" : clock for SPDIF bus
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Required properties on RK3288:
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- rockchip,grf: the phandle of the syscon node for the general register
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file (GRF)
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Example for the rk3188 SPDIF controller:
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spdif: spdif@1011e000 {
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compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
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reg = <0x1011e000 0x2000>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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dmas = <&dmac1_s 8>;
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dma-names = "tx";
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clock-names = "hclk", "mclk";
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clocks = <&cru HCLK_SPDIF>, <&cru SCLK_SPDIF>;
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#sound-dai-cells = <0>;
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};
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93
Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
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Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip SPDIF transceiver
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description:
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The S/PDIF audio block is a stereo transceiver that allows the
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processor to receive and transmit digital audio via a coaxial or
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fibre cable.
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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oneOf:
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- const: rockchip,rk3066-spdif
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- const: rockchip,rk3228-spdif
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- const: rockchip,rk3328-spdif
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- const: rockchip,rk3366-spdif
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- const: rockchip,rk3368-spdif
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- const: rockchip,rk3399-spdif
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- items:
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- enum:
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- rockchip,rk3188-spdif
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- rockchip,rk3288-spdif
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- const: rockchip,rk3066-spdif
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: clock for SPDIF bus
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- description: clock for SPDIF controller
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clock-names:
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items:
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- const: mclk
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- const: hclk
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dmas:
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maxItems: 1
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dma-names:
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const: tx
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rockchip,grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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The phandle of the syscon node for the GRF register.
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Required property on RK3288.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- dmas
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- dma-names
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if:
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properties:
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compatible:
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contains:
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const: rockchip,rk3288-spdif
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then:
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required:
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- rockchip,grf
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/rk3188-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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spdif: spdif@1011e000 {
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compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
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reg = <0x1011e000 0x2000>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
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clock-names = "mclk", "hclk";
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dmas = <&dmac1_s 8>;
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dma-names = "tx";
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};
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