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

From: Steve Lee
Date: Tue Jun 02 2020 - 04:44:23 EST


Add DT binding of max98390 amplifier driver.

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

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@xxxxxxxxxxxxxxxxxxx>
+
+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