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

Message ID 20231217131838.7569-2-karelb@gimli.ms.mff.cuni.cz
State New
Headers show
Series support for Marvell 88PM886 PMIC | expand

Commit Message

Karel Balej Dec. 17, 2023, 1:16 p.m. UTC 
From: Karel Balej <balejk@matfyz.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@matfyz.cz>
---
 .../bindings/mfd/marvell,88pm88x.yaml         | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/marvell,88pm88x.yaml
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Patch

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@matfyz.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>;
+      };
+    };
+...