From: Conor Dooley conor.dooley@microchip.com
Convert the Synopsys DesignWare I2S controller binding to dt-schema. There was no listed maintainer but Jose Abreu was the last editor of the txt binding so add him as maintainer.
Signed-off-by: Conor Dooley conor.dooley@microchip.com --- .../bindings/sound/designware-i2s.txt | 35 ------- .../bindings/sound/snps,designware-i2s.yaml | 94 +++++++++++++++++++ 2 files changed, 94 insertions(+), 35 deletions(-) delete mode 100644 Documentation/devicetree/bindings/sound/designware-i2s.txt create mode 100644 Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml
diff --git a/Documentation/devicetree/bindings/sound/designware-i2s.txt b/Documentation/devicetree/bindings/sound/designware-i2s.txt deleted file mode 100644 index 6a536d570e29..000000000000 --- a/Documentation/devicetree/bindings/sound/designware-i2s.txt +++ /dev/null @@ -1,35 +0,0 @@ -DesignWare I2S controller - -Required properties: - - compatible : Must be "snps,designware-i2s" - - reg : Must contain the I2S core's registers location and length - - clocks : Pairs of phandle and specifier referencing the controller's - clocks. The controller expects one clock: the clock used as the sampling - rate reference clock sample. - - clock-names : "i2sclk" for the sample rate reference clock. - - dmas: Pairs of phandle and specifier for the DMA channels that are used by - the core. The core expects one or two dma channels: one for transmit and - one for receive. - - dma-names : "tx" for the transmit channel, "rx" for the receive channel. - -Optional properties: - - interrupts: The interrupt line number for the I2S controller. Add this - parameter if the I2S controller that you are using does not support DMA. - -For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' -properties please check: - * resource-names.txt - * clock/clock-bindings.txt - * dma/dma.txt - -Example: - - soc_i2s: i2s@7ff90000 { - compatible = "snps,designware-i2s"; - reg = <0x0 0x7ff90000 0x0 0x1000>; - clocks = <&scpi_i2sclk 0>; - clock-names = "i2sclk"; - #sound-dai-cells = <0>; - dmas = <&dma0 5>; - dma-names = "tx"; - }; diff --git a/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml b/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml new file mode 100644 index 000000000000..4b0795819064 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/snps,designware-i2s.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/snps,designware-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DesignWare I2S controller + +maintainers: + - Jose Abreu joabreu@synopsys.com + +properties: + compatible: + oneOf: + - items: + - const: canaan,k210-i2s + - const: snps,designware-i2s + - enum: + - snps,designware-i2s + + reg: + maxItems: 1 + + interrupts: + description: | + The interrupt line number for the I2S controller. Add this + parameter if the I2S controller that you are using does not + support DMA. + maxItems: 1 + + clocks: + description: Sampling rate reference clock + maxItems: 1 + + clock-names: + const: i2sclk + + resets: + maxItems: 1 + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + minItems: 1 + + dma-names: + items: + - const: tx + - const: rx + minItems: 1 + +if: + properties: + compatible: + contains: + const: canaan,k210-i2s + +then: + properties: + "#sound-dai-cells": + const: 1 + +else: + properties: + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - clock-names + +oneOf: + - required: + - dmas + - dma-names + - required: + - interrupts + +unevaluatedProperties: false + +examples: + - | + soc_i2s: i2s@7ff90000 { + compatible = "snps,designware-i2s"; + reg = <0x7ff90000 0x1000>; + clocks = <&scpi_i2sclk 0>; + clock-names = "i2sclk"; + #sound-dai-cells = <0>; + dmas = <&dma0 5>; + dma-names = "tx"; + };