linux-kernel - [RFC PATCH 3/5] dt-bindings: regulator: add documentation entry for 88pm88x-regulator

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Date: Thu, 28 Dec 2023 10:39:12 +0100
From: Karel Balej <karelb@...li.ms.mff.cuni.cz>
To: Karel Balej <balejk@...fyz.cz>,
	Lee Jones <lee@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Duje Mihanović <duje.mihanovic@...le.hr>,
	~postmarketos/upstreaming@...ts.sr.ht,
	phone-devel@...r.kernel.org
Subject: [RFC PATCH 3/5] dt-bindings: regulator: add documentation entry for 88pm88x-regulator

From: Karel Balej <balejk@...fyz.cz>

The Marvell 88PM88X PMICs provide regulators among other things.
Document how to use them.

Signed-off-by: Karel Balej <balejk@...fyz.cz>
---
 .../bindings/mfd/marvell,88pm88x.yaml         | 17 +++++++++++
 .../regulator/marvell,88pm88x-regulator.yaml  | 28 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/marvell,88pm88x-regulator.yaml

diff --git a/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
index 115b41c9f22c..e6944369fc5c 100644
--- a/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
+++ b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
@@ -54,6 +54,23 @@ examples:
         onkey {
           compatible = "marvell,88pm88x-onkey";
         };
+
+        regulators {
+          ldo2: ldo2 {
+            regulator-min-microvolt = <3100000>;
+            regulator-max-microvolt = <3300000>;
+            };
+
+          ldo15: ldo15 {
+            regulator-min-microvolt = <3300000>;
+            regulator-max-microvolt = <3300000>;
+            };
+
+          buck2: buck2 {
+            regulator-min-microvolt = <1800000>;
+            regulator-max-microvolt = <1800000>;
+            };
+        };
       };
     };
 ...
diff --git a/Documentation/devicetree/bindings/regulator/marvell,88pm88x-regulator.yaml b/Documentation/devicetree/bindings/regulator/marvell,88pm88x-regulator.yaml
new file mode 100644
index 000000000000..c6ac17b113e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/marvell,88pm88x-regulator.yaml
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/marvell,88pm88x-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell 88PM88X PMICs regulators
+
+maintainers:
+  - Karel Balej <balejk@...fyz.cz>
+
+description: |
+  This module is part of the Marvell 88PM88X MFD device. For more details
+  see Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml.
+
+  The regulator controller is represented as a sub-node of the PMIC node
+  in the device tree.
+
+  The valid names for 88PM886 regulator nodes are ldo[1-9], ldo1[0-6], buck[1-5].
+
+patternProperties:
+  "^(ldo|buck)[0-9]+$":
+    type: object
+    description:
+      Properties for single regulator.
+    $ref: regulator.yaml#
+
+additionalProperties: false
-- 
2.43.0