Hello Rob,

Thanks a lot for your review!

Best Regards,
Katsuhiro Suzuki

On 2020/07/21 11:12, Rob Herring wrote:
On Tue, Jul 14, 2020 at 05:09:59PM +0900, Katsuhiro Suzuki wrote:
This patch converts ROHM BD28623UMV class D speaker amplifier binding
to DT schema.

Signed-off-by: Katsuhiro Suzuki <katsuh...@katsuster.net>
---
  .../bindings/sound/rohm,bd28623.txt           | 29 ---------
  .../bindings/sound/rohm,bd28623.yaml          | 65 +++++++++++++++++++
  2 files changed, 65 insertions(+), 29 deletions(-)
  delete mode 100644 Documentation/devicetree/bindings/sound/rohm,bd28623.txt
  create mode 100644 Documentation/devicetree/bindings/sound/rohm,bd28623.yaml

diff --git a/Documentation/devicetree/bindings/sound/rohm,bd28623.txt 
b/Documentation/devicetree/bindings/sound/rohm,bd28623.txt
deleted file mode 100644
index d84557c2686e..000000000000
--- a/Documentation/devicetree/bindings/sound/rohm,bd28623.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-ROHM BD28623MUV Class D speaker amplifier for digital input
-
-This codec does not have any control buses such as I2C, it detect format and
-rate of I2S signal automatically. It has two signals that can be connected
-to GPIOs: reset and mute.
-
-Required properties:
-- compatible      : should be "rohm,bd28623"
-- #sound-dai-cells: should be 0.
-- VCCA-supply     : regulator phandle for the VCCA supply
-- VCCP1-supply    : regulator phandle for the VCCP1 supply
-- VCCP2-supply    : regulator phandle for the VCCP2 supply
-
-Optional properties:
-- reset-gpios     : GPIO specifier for the active low reset line
-- mute-gpios      : GPIO specifier for the active low mute line
-
-Example:
-
-       codec {
-               compatible = "rohm,bd28623";
-               #sound-dai-cells = <0>;
-
-               VCCA-supply = <&vcc_reg>;
-               VCCP1-supply = <&vcc_reg>;
-               VCCP2-supply = <&vcc_reg>;
-               reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
-               mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
-       };
diff --git a/Documentation/devicetree/bindings/sound/rohm,bd28623.yaml 
b/Documentation/devicetree/bindings/sound/rohm,bd28623.yaml
new file mode 100644
index 000000000000..acd8609252b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/rohm,bd28623.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rohm,bd28623.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROHM BD28623MUV Class D speaker amplifier for digital input
+
+description:
+  This codec does not have any control buses such as I2C, it detect
+  format and rate of I2S signal automatically. It has two signals
+  that can be connected to GPIOs reset and mute.
+
+maintainers:
+  - Katsuhiro Suzuki <katsuh...@katsuster.net>
+
+properties:
+  compatible:
+    const: rohm,bd28623
+
+  "#sound-dai-cells":
+    const: 0
+
+  VCCA-supply:
+    description:
+      regulator phandle for the VCCA (for analog) power supply
+
+  VCCP1-supply:
+    description:
+      regulator phandle for the VCCP1 (for ch1) power supply
+
+  VCCP2-supply:
+    description:
+      regulator phandle for the VCCP2 (for ch2) power supply
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      GPIO specifier for the active low reset line
+
+  mute-gpios:
+    maxItems: 1
+    description:
+      GPIO specifier for the active low mute line
+
+required:
+  - compatible
+  - VCCA-supply
+  - VCCP1-supply
+  - VCCP2-supply
+  - "#sound-dai-cells"

Needs an:

additionalProperties: false

With that,

Reviewed-by: Rob Herring <r...@kernel.org>

+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    codec {
+      compatible = "rohm,bd28623";
+      #sound-dai-cells = <0>;
+
+      VCCA-supply = <&vcc_reg>;
+      VCCP1-supply = <&vcc_reg>;
+      VCCP2-supply = <&vcc_reg>;
+      reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+      mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+    };
--
2.27.0


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