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From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: alexandre.belloni@bootlin.com, lgirdwood@gmail.com,
	nicolas.ferre@microchip.com, robh+dt@kernel.org, tiwai@suse.com,
	ludovic.desroches@microchip.com, broonie@kernel.org,
	Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Subject: [PATCH v2 1/2] dt-bindings: sound: add DT bindings for Microchip S/PDIF TX Controller
Date: Wed, 29 Jul 2020 13:19:21 +0300
Message-ID: <20200729101922.3033616-1-codrin.ciubotariu@microchip.com> (raw)

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
+
+  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>;
+    };
-- 
2.25.1


             reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29 10:19 Codrin Ciubotariu [this message]
2020-07-29 10:19 ` [PATCH v2 2/2] ASoC: mchp-spdiftx: add driver for " Codrin Ciubotariu
2020-07-31 21:30 ` [PATCH v2 1/2] dt-bindings: sound: add DT bindings for Microchip " Rob Herring

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