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authorCodrin Ciubotariu <codrin.ciubotariu@microchip.com>2020-09-09 17:53:47 +0300
committerMark Brown <broonie@kernel.org>2020-09-09 17:15:57 +0100
commit7a8cca56f75ec9fe94550f846e66d62bc3a2778c (patch)
treef2289b266d0d880ad479e0c77d01a2e63139f82d
parent06ca24e98e6bcc17c32ebe4b2fc579e5bf9ff5b2 (diff)
ASoC: add DT bindings for Microchip S/PDIF TX Controller
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> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200909145348.367033-1-codrin.ciubotariu@microchip.com Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml75
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml b/Documentation/devicetree/bindings/sound/mchp,spdiftx.yaml
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index 000000000000..a03b0b871fc9
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+++ 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 <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:
+ 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 <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>;
+ };