From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../bindings/sound/st,stm32-spdifrx.yaml           | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml

(limited to 'Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml')

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
new file mode 100644
index 0000000000..bc48151b9a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
+
+maintainers:
+  - Olivier Moysan <olivier.moysan@foss.st.com>
+
+description: |
+  The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
+  IEC-60958 and IEC-61937.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - st,stm32h7-spdifrx
+
+  "#sound-dai-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: kclk
+
+  interrupts:
+    maxItems: 1
+
+  dmas:
+    items:
+      - description: audio data capture DMA
+      - description: IEC status bits capture DMA
+
+  dma-names:
+    items:
+      - const: rx
+      - const: rx-ctrl
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - "#sound-dai-cells"
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - dmas
+  - dma-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    spdifrx: spdifrx@40004000 {
+        compatible = "st,stm32h7-spdifrx";
+        #sound-dai-cells = <0>;
+        reg = <0x40004000 0x400>;
+        clocks = <&rcc SPDIF_K>;
+        clock-names = "kclk";
+        interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+        dmas = <&dmamux1 2 93 0x400 0x0>,
+               <&dmamux1 3 94 0x400 0x0>;
+        dma-names = "rx", "rx-ctrl";
+        pinctrl-0 = <&spdifrx_pins>;
+        pinctrl-names = "default";
+    };
+
+...
-- 
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