linux-kernel - [V7 PATCH] dt-bindings: Added device tree binding for max98390

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Date:   Tue,  2 Jun 2020 17:43:37 +0900
From:   Steve Lee <steves.lee@...imintegrated.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     ryan.lee.maxim@...il.com, ryans.lee@...imintegrated.com,
        steves.lee.maxim@...il.com,
        Steve Lee <steves.lee@...imintegrated.com>
Subject: [V7 PATCH] dt-bindings: Added device tree binding for max98390

Add DT binding of max98390 amplifier driver.

Signed-off-by: Steve Lee <steves.lee@...imintegrated.com>
---

Changed since V6:
	* Re-confirm yaml dt binding check
	* Add minimum and maximum value for each temperature_calib and r0_calib
	* Add maxim prefix for naming.
Changed since V5:
	* Change txt to yaml and fix up the examples.
Changed since V4:
	* No changes.
Changed since V3:
	* No changes.
Changed since V2:
	* No changes.
Changed since V1:
	* Modified sample text in example

 .../bindings/sound/maxim,max98390.yaml        | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/maxim,max98390.yaml

diff --git a/Documentation/devicetree/bindings/sound/maxim,max98390.yaml b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml
new file mode 100644
index 000000000000..e5ac35280da3
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/maxim,max98390.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX98390 Speaker Amplifier with Integrated Dynamic Speaker Management
+
+maintainers:
+  - Steve Lee <steves.lee@...imintegrated.com>
+
+properties:
+  compatible:
+      const: maxim,max98390
+
+  reg:
+    maxItems: 1
+    description: I2C address of the device.
+
+  maxim,temperature_calib:
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+    description: The calculated temperature data was measured while doing the calibration.
+    minimum: 0
+    maximum: 65535
+
+  maxim,r0_calib:
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+    description: This is r0 calibration data which was measured in factory mode.
+    minimum: 1
+    maximum: 8388607
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      max98390: amplifier@38 {
+        compatible = "maxim,max98390";
+        reg = <0x38>;
+        maxim,temperature_calib = <1024>;
+        maxim,r0_calib = <100232>;
+      };
+    };
-- 
2.17.1