[PATCH 1/2] dt-bindings: mediatek: mt6359: add ASoC mt6359 accdet document

[Argus Lin <argus.lin@mediatek.com>]

This patch adds MediaTek MT6359 accdet document.

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
---
 .../devicetree/bindings/sound/mt6359-accdet.yaml   | 142 +++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/mt6359-accdet.yaml

diff --git a/Documentation/devicetree/bindings/sound/mt6359-accdet.yaml b/Documentation/devicetree/bindings/sound/mt6359-accdet.yaml
new file mode 100644
index 0000000..fde0d29
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt6359-accdet.yaml
@@ -0,0 +1,142 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mt6359-accdet.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Technologies Inc. MT6359 ASoC accdet driver bindings
+
+maintainers:
+  - Chipeng Chang <chipeng.chang@mediatek.com>
+
+description: |
+  This binding describes the Mediatek Technologies MT6359 ASoC
+  accdet driver.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt6359-accdet
+      - mediatek,pmic-accdet
+
+  accdet-name:
+    maxItems: 1
+    description: named as "mt6359-accdet" for snd_soc_card_jack.
+
+  accdet-mic-vol:
+    maxItems: 1
+    description: |
+      accdet micbias1 voltage.
+
+      enum:
+        - 0x00 # 1.7v - micbias1 volage is 1.7v.
+        - 0x01 # 1.8v - micbias1 volage is 1.8v.
+        - 0x02 # 1.9v - micbias1 volage is 1.9v.
+        - 0x03 # 2.0v - micbias1 volage is 2.0v.
+        - 0x04 # 2.1v - micbias1 volage is 2.1v.
+        - 0x05 # 2.5v - micbias1 volage is 2.5v.
+        - 0x06 # 2.6v - micbias1 volage is 2.6v.
+        - 0x07 # 2.7v - micbias1 volage is 2.7v.
+        - 0x08 # 2.8v - micbias1 volage is 2.8v.
+        - 0x09 # 2.85v - micbias1 volage is 2.85v.
+
+  accdet-plugout-debounce:
+    maxItems: 1
+    description: For using ap gpio eint only, it is sw debounce time.
+
+  accdet-mic-mode:
+    maxItems: 1
+    description: |
+      value as 1, 2, 6 to indicate ACC/DCC mode. default is DCC mode 2.
+
+      enum:
+        - 0x01 # ACC - ACC mode.
+        - 0x02 # DCC - low cost without in bias.
+        - 0x06 # DCC - low cost with in bias.
+
+  eint_use_ext_res:
+    maxItems: 1
+    description: select HP_EINT pull up resistance, default 0 use internal resistance.
+
+  headset-mode-setting:
+    maxItems: 15
+    description: |
+       headset-mode-setting : Indicates customized pwm, debounce setting
+       accdet pwm_width, pwm_thresh, fall_delay, rise_delay
+       debounce0, debounce1, debounce3, debounce4
+       eint pwm_width, eint pwm_thresh
+       eint deb(debounce0, debounce1, debounce2, debounce3), inv_debounce.
+
+  headset-use-ap-eint:
+    maxItems: 1
+    description: indicates to use ap gpio.
+
+  headset-eint-num:
+    maxItems: 1
+    description: |
+      incicates pmic eint usage.
+
+      enum:
+        - 0x0 # PMIC_EINT0 - use pmic eint0 to trigger plug interrupt.
+        - 0x1 # PMIC_EINT1 - use pmic eint1 to trigger plug interrupt.
+        - 0x2 # PMIC_BI_EINT - use pmic eint0/1 to trigger plug interrupt.
+
+  headset-eint-trig-mode:
+    maxItems: 1
+    description: |
+      incicates pmic eint trigger mode.
+
+      enum:
+        - 0x0 # PMIC_GPIO - use pmic gpio to detect plug status by setting polarity to high or low.
+        - 0x1 # PMIC_INVERTER - use pmic inverter to detect plug status.
+
+  headset-key-mode:
+    maxItems: 1
+    description: |
+      incicates key mode type.
+
+      enum:
+        - 0x0 # THREE_KEY - support 3-key key mode.
+        - 0x1 # FOUR_KEY - support 4-key key mode.
+        - 0x1 # TRI_KEY_CDD - support 3-key google CDD key mode.
+
+  headset-three-key-threshold:
+    maxItems: 4
+    description: |
+      3 key device detection threshold: 0--MD_MAX--UP_MAX--DW_MAX.
+
+  headset-three-key-threshold-CDD:
+    maxItems: 4
+    description: |
+       3 key CDD device detection threshold: 0--MD_MAX--UP_MAX--DW_MAX.
+
+  headset-four-key-threshold:
+    maxItems: 4
+    description: |
+      4 key device detection threshold: 0--MD_MAX--VOICE_MAX--UP_MAX--DW_MAX.
+
+additionalProperties: false
+
+examples:
+  - |
+    accdet: accdet {
+        compatible = "mediatek,mt6359-accdet";
+        accdet-name = "mt6359-accdet";
+        accdet-mic-vol = <8>;
+        accdet-plugout-debounce = <1>;
+        accdet-mic-mode = <2>;
+        eint_use_ext_res = <0>;
+        headset-mode-setting = <0x500 0x500 1 0x1f0
+                                0x800 0x800 0x20 0x44
+                                0x4 0x1
+                                0x5 0x3 0x3 0x5 0xe>;
+        headset-use-ap-eint = <0>;
+        headset-eint-num = <0>;
+        headset-eint-trig-mode = <1>;
+        headset-key-mode = <0>;
+        headset-three-key-threshold = <0 80 220 400>;
+        headset-three-key-threshold-CDD = <0 121 192 600>;
+        headset-four-key-threshold = <0 58 121 192 400>;
+        status = "okay";
+    };
+...
--
1.8.1.1.dirty
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