On Wed, Jul 29, 2020 at 01:19:21PM +0300, Codrin Ciubotariu wrote:
> This patch adds DT bindings for the new Microchip S/PDIF TX Controller
> embedded inside sama7g5 SoCs.
>
> Signed-off-by: Codrin Ciubotariu
> ---
>
> Changes in v2:
> - replaced https with http
> - reworked example, included bindings;
>
> .../bindings/sound/mchp,spdiftx.yaml | 80 +++
> 1 file changed, 80 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
> b/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
> new file mode 100644
> index ..2b7c27391f0d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mchp,spdiftx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip S/PDIF Tx Controller Device Tree Bindings
> +
> +maintainers:
> + - Codrin Ciubotariu
> +
> +description:
> +The Microchip Sony/Philips Digital Interface Transmitter is a
> +serial port compliant with the IEC-60958 standard.
> +
> +properties:
> + "#sound-dai-cells":
> +const: 0
> +
> + compatible:
> +oneOf:
> + - const: microchip,sama7g5-spdiftx
No need for 'oneOf' when only 1 entry.
> +
> + reg:
> +maxItems: 1
> +
> + interrupts:
> +maxItems: 1
> +
> + clocks:
> +items:
> + - description: Peripheral Bus Clock
> + - description: Generic Clock
> +
> + clock-names:
> +items:
> + - const: pclk
> + - const: gclk
> +
> + dmas:
> +description: TX DMA Channel
How many? (maxItems: 1)
> +
> + dma-names:
> +const: tx
> +
> + pinctrl-0: true
> +
> + pinctrl-names:
> +const: default
You can drop pinctrl props. They are always allowed.
> +
> +required:
> + - "#sound-dai-cells"
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - dmas
> + - dma-names
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +#include
> +#include
> +#include
> +
> +spdiftx@e1618000 {
> +#sound-dai-cells = <0>;
> +compatible = "microchip,sama7g5-spdiftx";
> +reg = <0xe1618000 0x4000>;
> +interrupts = ;
> +dmas = < AT91_XDMAC_DT_PERID(50)>;
> +dma-names = "tx";
> +clocks = < PMC_TYPE_PERIPHERAL 85>, < PMC_TYPE_GCK 85>;
> +clock-names = "pclk", "gclk";
> +pinctrl-names = "default";
> +pinctrl-0 = <_spdiftx_default>;
> +};
> --
> 2.25.1
>
