This patch adds document the bindings for MAX77541 MFD driver. It also includes MAX77540 driver whose regmap is covered by MAX77541. Signed-off-by: Okan Sahin <okan.sahin@xxxxxxxxxx> --- .../devicetree/bindings/mfd/adi,max77541.yaml | 134 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 135 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/adi,max77541.yaml diff --git a/Documentation/devicetree/bindings/mfd/adi,max77541.yaml b/Documentation/devicetree/bindings/mfd/adi,max77541.yaml new file mode 100644 index 000000000000..205953e6dd15 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/adi,max77541.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/adi,max77541.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX77540/MAX77541 PMIC from ADI. + +maintainers: + - Okan Sahin <okan.sahin@xxxxxxxxxx> + +description: | + MAX77540 is a Power Management IC with 2 buck regulators. + + MAX77541 is a Power Management IC with 2 buck regulators and 1 ADC. + +properties: + compatible: + enum: + - adi,max77540 + - adi,max77541 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + $ref: /schemas/regulator/adi,max77541.yaml# + + adc: + type: object + additionalProperties: false + properties: + compatible: + const: adi,max77541-adc + required: + -compatible + +required: + - compatible + - reg + - interrupts + +allOf: + - if: + properties: + compatible: + contains: + const: adi,max77540 + then: + properties: + regulator: + properties: + compatible: + const: adi,max77540-regulator + else: + properties: + regulator: + properties: + compatible: + const: adi,max77541-regulator + adc: + properties: + compatible: + const: adi,max77541-adc + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@69 { + compatible = "adi,max77540"; + reg = <0x69>; + interrupt-parent = <&gpio>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + + regulators { + buck1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <5200000>; + regulator-boot-on; + regulator-always-on; + }; + buck2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <5200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; + + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@69 { + compatible = "adi,max77541"; + reg = <0x63>; + interrupt-parent = <&gpio>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + + regulators { + buck1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <5200000>; + regulator-boot-on; + regulator-always-on; + }; + buck2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <5200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + + adc { + compatible = "adi,max77541-adc"; + } + }; + }; \ No newline at end of file diff --git a/MAINTAINERS b/MAINTAINERS index af94d06bb9f0..22f5a9c490e3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12501,6 +12501,7 @@ MAXIM MAX77541 PMIC MFD DRIVER M: Okan Sahin <okan.sahin@xxxxxxxxxx> L: linux-kernel@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/mfd/adi,max77541.yaml F: drivers/mfd/max77541.c F: include/linux/mfd/max77541.h -- 2.30.2
