linux-kernel - [PATCH 6/8] dt-bindings: soc: socionext: Add UniPhier ADAMV block

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Message-Id: <20221129103509.9958-7-hayashi.kunihiko@socionext.com>
Date:   Tue, 29 Nov 2022 19:35:07 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH 6/8] dt-bindings: soc: socionext: Add UniPhier ADAMV block

Add devicetree binding schema for the ADAMV block implemented on Socionext
Uniphier SoCs.

The ADAMV block is analog signal amplifier that is a part of the external
video and audio I/O system. This block is implemented on LD11 and LD20,
and this is defined for controlling audio I/O reset only.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 .../socionext/socionext,uniphier-adamv.yaml   | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-adamv.yaml

diff --git a/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-adamv.yaml b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-adamv.yaml
new file mode 100644
index 000000000000..ae806960b3f1
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-adamv.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-adamv.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier ADAMV block
+
+maintainers:
+  - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
+
+description: |+
+  ADAMV block implemented on Socionext UniPhier SoCs is an analog signal
+  amplifier that is a part of the external video and audio I/O system.
+
+  This block is defined for controlling audio I/O reset only.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - socionext,uniphier-ld11-adamv
+          - socionext,uniphier-ld20-adamv
+          - socionext,uniphier-adamv
+      - const: simple-mfd
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+patternProperties:
+  "^reset-controller(@[0-9a-f]+)?$":
+    $ref: /schemas/reset/socionext,uniphier-reset.yaml#
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@...20000 {
+        compatible = "socionext,uniphier-ld20-adamv",
+                     "simple-mfd", "syscon";
+        reg = <0x57920000 0x1000>;
+
+        reset-controller {
+            compatible = "socionext,uniphier-ld20-adamv-reset";
+            #reset-cells = <1>;
+        };
+    };
-- 
2.25.1