From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Mon, 11 Oct 2021 23:37:19 +0200
Subject: dt-bindings: phy: Add bindings for the Amlogic Meson CVBS DAC

Amlogic Meson SoCs embed a Composite Video Baseband Signal DAC. Add the
bindings for this IP.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
 Documentation/devicetree/bindings/phy/amlogic,meson-cvbs-dac-phy.yaml | 82 ++++++++++
 1 file changed, 82 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson-cvbs-dac-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson-cvbs-dac-phy.yaml
new file mode 100644
index 000000000000..111111111111
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/amlogic,meson-cvbs-dac-phy.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/amlogic,meson-cvbs-dac-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson Composite Video Baseband Signal DAC
+
+maintainers:
+  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+
+description: |+
+  The CVBS DAC node should be the child of a syscon node with the
+  required property:
+
+  compatible = "amlogic,meson-hhi-sysctrl", "simple-mfd", "syscon"
+
+  Refer to the bindings described in
+  Documentation/devicetree/bindings/mfd/syscon.yaml
+
+properties:
+  $nodename:
+    pattern: "^video-dac@[0-9a-f]+$"
+
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - amlogic,meson8-cvbs-dac
+              - amlogic,meson8b-cvbs-dac
+              - amlogic,meson-gxbb-cvbs-dac
+              - amlogic,meson-gxl-cvbs-dac
+              - amlogic,meson-g12a-cvbs-dac
+          - const: amlogic,meson-cvbs-dac
+      - const: amlogic,meson-cvbs-dac
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+
+  nvmem-cells:
+    minItems: 1
+
+  nvmem-cell-names:
+    items:
+      - const: cvbs_trimming
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    video-dac@2f4 {
+      compatible = "amlogic,meson8-cvbs-dac", "amlogic,meson-cvbs-dac";
+      reg = <0x2f4 0x8>;
+
+      #phy-cells = <0>;
+
+      clocks = <&vdac_clock>;
+
+      nvmem-cells = <&cvbs_trimming>;
+      nvmem-cell-names = "cvbs_trimming";
+    };
+  - |
+    video-dac@2ec {
+      compatible = "amlogic,meson-g12a-cvbs-dac", "amlogic,meson-cvbs-dac";
+      reg = <0x2ec 0x8>;
+
+      #phy-cells = <0>;
+
+      clocks = <&vdac_clock>;
+    };
-- 
Armbian