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Message-ID: <20260108214443.1127685-1-robh@kernel.org>
Date: Thu, 8 Jan 2026 15:44:40 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Bard Liao <bardliao@...ltek.com>
Cc: linux-sound@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: dt-bindings: Convert realtek,rt5651 to DT schema
Convert the Realtek RT5661 codec binding to DT schema format. Add
missing clocks/clock-names for MCLK which is in use already. Also add
the standard "#sound-dai-cells" property.
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
.../bindings/sound/realtek,rt5651.yaml | 100 ++++++++++++++++++
.../devicetree/bindings/sound/rt5651.txt | 63 -----------
2 files changed, 100 insertions(+), 63 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/realtek,rt5651.yaml
delete mode 100644 Documentation/devicetree/bindings/sound/rt5651.txt
diff --git a/Documentation/devicetree/bindings/sound/realtek,rt5651.yaml b/Documentation/devicetree/bindings/sound/realtek,rt5651.yaml
new file mode 100644
index 000000000000..dc4f2eef7cf9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/realtek,rt5651.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/realtek,rt5651.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RT5651 audio CODEC
+
+maintainers:
+ - Bard Liao <bardliao@...ltek.com>
+
+description: >
+ This device supports I2C only.
+
+ Pins on the device (for linking into audio routes) for RT5651:
+
+ * DMIC L1
+ * DMIC R1
+ * IN1P
+ * IN2P
+ * IN2N
+ * IN3P
+ * HPOL
+ * HPOR
+ * LOUTL
+ * LOUTR
+ * PDML
+ * PDMR
+
+allOf:
+ - $ref: /schemas/sound/dai-common.yaml#
+
+properties:
+ compatible:
+ const: realtek,rt5651
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: mclk
+
+ '#sound-dai-cells':
+ const: 0
+
+ realtek,in2-differential:
+ type: boolean
+ description: Indicate MIC2 input are differential, rather than single-ended.
+
+ realtek,dmic-en:
+ type: boolean
+ description: Indicates DMIC is used.
+
+ realtek,jack-detect-source:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Select jack-detect input pin.
+ enum: [1, 2, 3]
+
+ realtek,jack-detect-not-inverted:
+ type: boolean
+ description:
+ Normal jack-detect switches give an inverted (active-low) signal. Set this
+ bool in the rare case you've a jack-detect switch which is not inverted.
+
+ realtek,over-current-threshold-microamp:
+ description: Micbias over-current detection threshold in µA.
+ enum: [600, 1500, 2000]
+
+ realtek,over-current-scale-factor:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: >
+ Micbias over-current detection scale factor:
+
+ 0: scale current by 0.5
+ 1: scale current by 0.75
+ 2: scale current by 1.0
+ 3: scale current by 1.5
+ enum: [0, 1, 2, 3]
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ codec@1a {
+ compatible = "realtek,rt5651";
+ reg = <0x1a>;
+ realtek,dmic-en;
+ realtek,in2-differential;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/sound/rt5651.txt b/Documentation/devicetree/bindings/sound/rt5651.txt
deleted file mode 100644
index 56e736a1cba9..000000000000
--- a/Documentation/devicetree/bindings/sound/rt5651.txt
+++ /dev/null
@@ -1,63 +0,0 @@
-RT5651 audio CODEC
-
-This device supports I2C only.
-
-Required properties:
-
-- compatible : "realtek,rt5651".
-
-- reg : The I2C address of the device.
-
-Optional properties:
-
-- realtek,in2-differential
- Boolean. Indicate MIC2 input are differential, rather than single-ended.
-
-- realtek,dmic-en
- Boolean. true if dmic is used.
-
-- realtek,jack-detect-source
- u32. Valid values:
- 1: Use JD1_1 pin for jack-detect
- 2: Use JD1_2 pin for jack-detect
- 3: Use JD2 pin for jack-detect
-
-- realtek,jack-detect-not-inverted
- bool. Normal jack-detect switches give an inverted (active-low) signal,
- set this bool in the rare case you've a jack-detect switch which is not
- inverted.
-
-- realtek,over-current-threshold-microamp
- u32, micbias over-current detection threshold in µA, valid values are
- 600, 1500 and 2000µA.
-
-- realtek,over-current-scale-factor
- u32, micbias over-current detection scale-factor, valid values are:
- 0: Scale current by 0.5
- 1: Scale current by 0.75
- 2: Scale current by 1.0
- 3: Scale current by 1.5
-
-Pins on the device (for linking into audio routes) for RT5651:
-
- * DMIC L1
- * DMIC R1
- * IN1P
- * IN2P
- * IN2N
- * IN3P
- * HPOL
- * HPOR
- * LOUTL
- * LOUTR
- * PDML
- * PDMR
-
-Example:
-
-rt5651: codec@1a {
- compatible = "realtek,rt5651";
- reg = <0x1a>;
- realtek,dmic-en = "true";
- realtek,in2-diff = "false";
-};
--
2.51.0
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