diff mbox series

[v2,1/2] dt-bindings: sound: add DT bindings for Microchip S/PDIF TX Controller

Message ID 20200729101922.3033616-1-codrin.ciubotariu@microchip.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] dt-bindings: sound: add DT bindings for Microchip S/PDIF TX Controller | expand

Commit Message

Codrin Ciubotariu July 29, 2020, 10:19 a.m. UTC
This patch adds DT bindings for the new Microchip S/PDIF TX Controller
embedded inside sama7g5 SoCs.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---

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

Comments

Rob Herring (Arm) July 31, 2020, 9:30 p.m. UTC | #1
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 <codrin.ciubotariu@microchip.com>
> ---
> 
> 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 000000000000..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 <codrin.ciubotariu@microchip.com>
> +
> +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 <dt-bindings/clock/at91.h>
> +    #include <dt-bindings/dma/at91.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    spdiftx@e1618000 {
> +        #sound-dai-cells = <0>;
> +        compatible = "microchip,sama7g5-spdiftx";
> +        reg = <0xe1618000 0x4000>;
> +        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
> +        dmas = <&dma0 AT91_XDMAC_DT_PERID(50)>;
> +        dma-names = "tx";
> +        clocks = <&pmc PMC_TYPE_PERIPHERAL 85>, <&pmc PMC_TYPE_GCK 85>;
> +        clock-names = "pclk", "gclk";
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&pinctrl_spdiftx_default>;
> +    };
> -- 
> 2.25.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml b/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
new file mode 100644
index 000000000000..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 <codrin.ciubotariu@microchip.com>
+
+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
+
+  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
+
+  dma-names:
+    const: tx
+
+  pinctrl-0: true
+
+  pinctrl-names:
+    const: default
+
+required:
+  - "#sound-dai-cells"
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - dmas
+  - dma-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/at91.h>
+    #include <dt-bindings/dma/at91.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    spdiftx@e1618000 {
+        #sound-dai-cells = <0>;
+        compatible = "microchip,sama7g5-spdiftx";
+        reg = <0xe1618000 0x4000>;
+        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+        dmas = <&dma0 AT91_XDMAC_DT_PERID(50)>;
+        dma-names = "tx";
+        clocks = <&pmc PMC_TYPE_PERIPHERAL 85>, <&pmc PMC_TYPE_GCK 85>;
+        clock-names = "pclk", "gclk";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_spdiftx_default>;
+    };