[v6,4/8] dt-bindings: regulator: Add document for MT6359 regulator

diff --git a/Documentation/devicetree/bindings/regulator/mt6359-regulator.yaml b/Documentation/devicetree/bindings/regulator/mt6359-regulator.yaml
new file mode 100644
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@@ -0,0 +1,169 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mt6359-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MT6359 Regulator from MediaTek Integrated
+
+maintainers:
+  - Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
+
+description: |
+  List of regulators provided by this controller. It is named
+  according to its regulator type, buck_<name> and ldo_<name>.
+  MT6359 regulators node should be sub node of the MT6397 MFD node.
+
+properties:
+  $nodename:
+    pattern: "^pmic$"
+
+  mt6359regulator:
+    type: object
+    description:
+      list of regulators provided by this controller.
+
+    patternProperties:
+      "^buck_v(s1|gpu11|modem|pu|core|s2|pa|proc2|proc1|core_sshub)$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^v(s1|gpu11|modem|pu|core|s2|pa|proc2|proc1|core_sshub)$"
+
+        unevaluatedProperties: false
+
+      "^ldo_v(ibr|rf12|usb|camio|efuse|xo22)$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^v(ibr|rf12|usb|camio|efuse|xo22)$"
+
+        unevaluatedProperties: false
+
+      "^ldo_v(rfck|emc|a12|a09|ufs|bbck)$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^v(rfck|emc|a12|a09|ufs|bbck)$"
+
+        unevaluatedProperties: false
+
+      "^ldo_vcn(18|13|33_1_bt|13_1_wifi|33_2_bt|33_2_wifi)$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^vcn(18|13|33_1_bt|13_1_wifi|33_2_bt|33_2_wifi)$"
+
+        unevaluatedProperties: false
+
+      "^ldo_vsram_(proc2|others|md|proc1|others_sshub)$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^vsram_(proc2|others|md|proc1|others_sshub)$"
+
+        unevaluatedProperties: false
+
+      "^ldo_v(fe|bif|io)28$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^v(fe|bif|io)28$"
+
+        unevaluatedProperties: false
+
+      "^ldo_v(aud|io|aux|rf|m)18$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^v(aud|io|aux|rf|m)18$"
+
+        unevaluatedProperties: false
+
+      "^ldo_vsim[12]$":
+        type: object
+        $ref: "regulator.yaml#"
+
+        properties:
+          regulator-name:
+            pattern: "^vsim[12]$"
+
+        required:
+          - regulator-name
+
+        unevaluatedProperties: false
+
+additionalProperties: false
+
+examples:
+  - |
+    pmic {
+      mt6359regulator {
+        mt6359_vgpu11_buck_reg: buck_vgpu11 {
+          regulator-name = "vgpu11";
+          regulator-min-microvolt = <400000>;
+          regulator-max-microvolt = <1193750>;
+          regulator-enable-ramp-delay = <200>;
+          regulator-always-on;
+          regulator-allowed-modes = <0 1 2>;
+        };
+
+        mt6359_vcamio_ldo_reg: ldo_vcamio {
+          regulator-name = "vcamio";
+          regulator-min-microvolt = <1700000>;
+          regulator-max-microvolt = <1900000>;
+        };
+
+        mt6359_vcn18_ldo_reg: ldo_vcn18 {
+          regulator-name = "vcn18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <240>;
+        };
+
+        mt6359_vsram_proc2_ldo_reg: ldo_vsram_proc2 {
+          regulator-name = "vsram_proc2";
+          regulator-min-microvolt = <500000>;
+          regulator-max-microvolt = <1293750>;
+          regulator-ramp-delay = <7500>;
+          regulator-enable-ramp-delay = <240>;
+          regulator-always-on;
+        };
+
+        mt6359_vfe28_ldo_reg: ldo_vfe28 {
+          regulator-name = "vfe28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <120>;
+        };
+
+        mt6359_vaud18_ldo_reg: ldo_vaud18 {
+          regulator-name = "vaud18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <240>;
+        };
+
+        mt6359_vsim1_ldo_reg: ldo_vsim1 {
+          regulator-name = "vsim1";
+          regulator-min-microvolt = <1700000>;
+          regulator-max-microvolt = <3100000>;
+          regulator-enable-ramp-delay = <480>;
+        };
+      };
+    };
+...