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From:   Pascal Paillet <p.paillet@st.com>
To:     Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>
CC:     <p.paillet@st.com>
Subject: [PATCH v2] regulator: Convert stm32-pwr regulator to json-schema
Date:   Thu, 5 Dec 2019 15:08:09 +0100
Message-ID: <20191205140809.19413-1-p.paillet@st.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
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Convert the stm32-pwr regulator binding to DT schema format using
json-schema.

Signed-off-by: Pascal Paillet <p.paillet@st.com>
---
Changes since v1:
- remove a regulator.yaml reference
- add /schemas/types.yaml#/definitions/phandle-array for supply
- fix indent below required

 .../regulator/st,stm32mp1-pwr-reg.txt         | 43 ------------
 .../regulator/st,stm32mp1-pwr-reg.yaml        | 66 +++++++++++++++++++
 2 files changed, 66 insertions(+), 43 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
 create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml

diff --git a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
deleted file mode 100644
index e372dd3f0c8a..000000000000
--- a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-STM32MP1 PWR Regulators
------------------------
-
-Available Regulators in STM32MP1 PWR block are:
-  - reg11 for regulator 1V1
-  - reg18 for regulator 1V8
-  - usb33 for the swtich USB3V3
-
-Required properties:
-- compatible: Must be "st,stm32mp1,pwr-reg"
-- list of child nodes that specify the regulator reg11, reg18 or usb33
-  initialization data for defined regulators. The definition for each of
-  these nodes is defined using the standard binding for regulators found at
-  Documentation/devicetree/bindings/regulator/regulator.txt.
-- vdd-supply: phandle to the parent supply/regulator node for vdd input
-- vdd_3v3_usbfs-supply: phandle to the parent supply/regulator node for usb33
-
-Example:
-
-pwr_regulators: pwr@50001000 {
-	compatible = "st,stm32mp1,pwr-reg";
-	reg = <0x50001000 0x10>;
-	vdd-supply = <&vdd>;
-	vdd_3v3_usbfs-supply = <&vdd_usb>;
-
-	reg11: reg11 {
-		regulator-name = "reg11";
-		regulator-min-microvolt = <1100000>;
-		regulator-max-microvolt = <1100000>;
-	};
-
-	reg18: reg18 {
-		regulator-name = "reg18";
-		regulator-min-microvolt = <1800000>;
-		regulator-max-microvolt = <1800000>;
-	};
-
-	usb33: usb33 {
-		regulator-name = "usb33";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml
new file mode 100644
index 000000000000..cc66a7c91260
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/st,stm32mp1-pwr-reg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STM32MP1 PWR voltage regulators
+
+maintainers:
+  - Pascal Paillet <p.paillet@st.com>
+
+properties:
+  compatible:
+    const: st,stm32mp1,pwr-reg
+
+  reg:
+    maxItems: 1
+
+  vdd-supply:
+    description: Input supply phandle(s) for vdd input
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+
+  vdd_3v3_usbfs-supply:
+    description: Input supply phandle(s) for vdd_3v3_usbfs input
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+
+patternProperties:
+  "^(reg11|reg18|usb33)$":
+    type: object
+
+    allOf:
+      - $ref: "regulator.yaml#"
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    pwr@50001000 {
+      compatible = "st,stm32mp1,pwr-reg";
+      reg = <0x50001000 0x10>;
+      vdd-supply = <&vdd>;
+      vdd_3v3_usbfs-supply = <&vdd_usb>;
+
+      reg11 {
+        regulator-name = "reg11";
+        regulator-min-microvolt = <1100000>;
+        regulator-max-microvolt = <1100000>;
+      };
+
+      reg18 {
+        regulator-name = "reg18";
+        regulator-min-microvolt = <1800000>;
+        regulator-max-microvolt = <1800000>;
+      };
+
+      usb33 {
+        regulator-name = "usb33";
+        regulator-min-microvolt = <3300000>;
+        regulator-max-microvolt = <3300000>;
+      };
+    };
+...
-- 
2.17.1