[PATCH v3 2/2] WIP: dt-bindings: mediatek: mt6359: add codec document

Jiaxin Yu
2020-08-14T10:47:20Z

This patch adds MediaTek MT6359 codec document.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
---
.../devicetree/bindings/sound/mt6359.yaml | 68 +++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/mt6359.yaml

diff --git a/Documentation/devicetree/bindings/sound/mt6359.yaml b/Documentation/devicetree/bindings/sound/mt6359.yaml
new file mode 100644
index 0000000000000..a669b49965874
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt6359.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mt6359.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek MT6359 Codec Device Tree Bindings
+
+maintainers:
+ - Eason Yen <eason.yen@mediatek.com>
+ - Jiaxin Yu <jiaxin.yu@mediatek.com>
+ - Shane Chien <shane.chien@mediatek.com>
+
+description: |
+ The communication between MT6359 and SoC is through Mediatek PMIC wrapper.
+ For more detail, please visit Mediatek PMIC wrapper documentation.
+ Must be a child node of PMIC wrapper.
+
+properties:
+ compatible:
+ const: mediatek,mt6359-sound
+
+ mediatek,dmic-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Indicates how many data pins are used to transmit two channels of PDM
+ signal. 0 means two wires, 1 means one wire. Default value is 0.
+ enum:
+ - 0 # one wire
+ - 1 # two wires
+
+ mediatek,mic-type-0:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Specifies the type of mic type connected to adc0
+
+ enum:
+ - 0 # IDLE - mic in turn-off status
+ - 1 # ACC - analog mic with alternating coupling
+ - 2 # DMIC - digital mic
+ - 3 # DCC - analog mic with direct couping
+ - 4 # DCC_ECM_DIFF - analog electret condenser mic with differential mode
+ - 5 # DCC_ECM_SINGLE - analog electret condenser mic with single mode
+
+ mediatek,mic-type-1:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Specifies the type of mic type connected to adc1
+
+ mediatek,mic-type-2:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Specifies the type of mic type connected to adc2
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ mt6359codec: mt6359codec {
+ compatible = "mediatek,mt6359-sound";
+ mediatek,dmic-mode = <0>;
+ mediatek,mic-type-0 = <2>;
+ };
+
+...