This patch adds DT bindings for the new Microchip S/PDIF TX Controller
embedded inside sama7g5 SoCs.
Signed-off-by: Codrin Ciubotariu
---
Changes in v3:
- removed 'oneOf' from 'compatible' property;
- added 'maxItems: 1' to 'dmas' property;
- removed pinctrl related properties;
Changes in v2:
- replaced https with http;
- reworked example, included bindings;
.../bindings/sound/mchp,spdiftx.yaml | 75 +++
1 file changed, 75 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 ..a03b0b871fc9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
@@ -0,0 +1,75 @@
+# 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:
+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
+maxItems: 1
+
+ dma-names:
+const: tx
+
+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
