linux-kernel - [RFC PATCH 1/5] dt-bindings: mfd: add entry for the Marvell 88PM88X PMICs

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Date: Sun, 17 Dec 2023 14:16:59 +0100
From: Karel Balej <karelb@...li.ms.mff.cuni.cz>
To: Karel Balej <balejk@...fyz.cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Lee Jones <lee@...nel.org>,
	linux-input@...r.kernel.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 1/5] dt-bindings: mfd: add entry for the Marvell 88PM88X PMICs

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

Marvell 88PM880 and 88PM886 are two similar PMICs with mostly matching
register mapping and subdevices such as onkey, regulators or battery and
charger. Both seem to come in two revisions which seem to be handled
slightly differently in some subdevice drivers.

Signed-off-by: Karel Balej <balejk@...fyz.cz>
---
 .../bindings/mfd/marvell,88pm88x.yaml         | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml

diff --git a/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
new file mode 100644
index 000000000000..e075729c360f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/marvell,88pm88x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell 88PM88X PMIC core MFD
+
+maintainers:
+  - Karel Balej <balejk@...fyz.cz>
+
+description: |
+  Marvell 88PM880 and 88PM886 are two similar PMICs providing
+  several functions such as onkey, regulators or battery and
+  charger. Both seem to come in two revisions -- A0 and A1.
+
+properties:
+  compatible:
+    const: marvell,88pm886-a1
+
+  reg:
+    description: I2C device address
+    maxItems: 1
+
+  interrupt-controller: true
+
+  interrupts:
+    maxItems: 1
+
+  "#interrupt-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - interrupt-controller
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      pmic0: 88pm886@30 {
+        compatible = "marvell,88pm886-a1";
+        reg = <0x30>;
+        interrupts = <0 4 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-parent = <&gic>;
+        interrupt-controller;
+        #interrupt-cells = <1>;
+      };
+    };
+...
-- 
2.43.0