[PATCH v3 4/8] dt-bindings: mfd: add Maxim MAX77714 PMIC
From: Luca Ceresoli <luca@lucaceresoli.net>
Date: 2021-11-11 22:59:40
Also in:
linux-devicetree, linux-watchdog, lkml
Subsystem:
maxim max77714 pmic mfd driver, multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Luca Ceresoli, Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add bindings for the MAX77714 PMIC with GPIO, RTC and watchdog. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> --- Changes in v3: - add 'regulators' node (Krzysztof Kozlowski, Rob Herring) Changes in v2: none --- .../bindings/mfd/maxim,max77714.yaml | 68 +++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
new file mode 100644
index 000000000000..74a6867d3c82
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml@@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/maxim,max77714.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX77714 PMIC with GPIO, RTC and watchdog from Maxim Integrated. + +maintainers: + - Luca Ceresoli <luca@lucaceresoli.net> + +description: | + MAX77714 is a Power Management IC with 4 buck regulators, 9 + low-dropout regulators, 8 GPIOs, RTC and watchdog. + +properties: + compatible: + const: maxim,max77714 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + description: + The first cell is the IRQ number, the second cell is the trigger type. + + regulators: + type: object + additionalProperties: false + + patternProperties: + '^(buck[0-3]|ldo[0-8])$': + type: object + unevaluatedProperties: false + $ref: /schemas/regulator/regulator.yaml# + +required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@1c { + compatible = "maxim,max77714"; + reg = <0x1c>; + interrupt-parent = <&gpio2>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + };
diff --git a/MAINTAINERS b/MAINTAINERS
index 5b7a13f706fa..af4e6dc948a3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS@@ -11568,6 +11568,11 @@ F: drivers/power/supply/max77650-charger.c F: drivers/regulator/max77650-regulator.c F: include/linux/mfd/max77650.h +MAXIM MAX77714 PMIC MFD DRIVER +M: Luca Ceresoli <luca@lucaceresoli.net> +S: Maintained +F: Documentation/devicetree/bindings/mfd/maxim,max77714.yaml + MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER M: Javier Martinez Canillas <javier@dowhile0.org> L: linux-kernel@vger.kernel.org
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2.25.1