Adding devicetree binding documentation for max11410 adc. Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx> --- .../bindings/iio/adc/adi,max11410.yaml | 176 ++++++++++++++++ .../devicetree/bindings/rtc/adi,max313xx.yaml | 195 ++++++++++++++++++ 2 files changed, 371 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml create mode 100644 Documentation/devicetree/bindings/rtc/adi,max313xx.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml new file mode 100644 index 0000000000..46a37303da --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,max11410.yaml @@ -0,0 +1,176 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,max11410.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX11410 ADC device driver + +maintainers: + - Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx> + +description: | + Bindings for the Analog Devices MAX11410 ADC device. Datasheet can be + found here: + https://datasheets.maximintegrated.com/en/ds/MAX11410.pdf + +properties: + compatible: + enum: + - adi,max11410 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 2 + + interrupt-names: + description: Name of the gpio pin of max11410 used for IRQ + items: + - enum: + - gpio0 + - gpio1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + avdd-supply: + description: Optional avdd supply. Used as reference when no explicit reference supplied. + + vref0p-supply: + description: vref0p supply can be used as reference for conversion. + + vref1p-supply: + description: vref1p supply can be used as reference for conversion. + + vref2p-supply: + description: vref2p supply can be used as reference for conversion. + + vref0n-supply: + description: vref0n supply can be used as reference for conversion. + + vref1n-supply: + description: vref1n supply can be used as reference for conversion. + + vref2n-supply: + description: vref2n supply can be used as reference for conversion. + + spi-max-frequency: + maximum: 8000000 + +required: + - compatible + - reg + +patternProperties: + "^channel(@[0-9])?$": + $ref: "adc.yaml" + type: object + description: Represents the external channels which are connected to the ADC. + + properties: + reg: + description: The channel number in single-ended mode. + minimum: 0 + maximum: 9 + + adi,reference: + description: | + Select the reference source to use when converting on + the specific channel. Valid values are: + 0: VREF0P/VREF0N + 1: VREF1P/VREF1N + 2: VREF2P/VREF2N + 3: AVDD/AGND + 4: VREF0P/AGND + 5: VREF1P/AGND + 6: VREF2P/AGND + If this field is left empty, AVDD/AGND is selected. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6] + default: 3 + + adi,input-mode: + description: | + Select signal path of input channels. Valid values are: + 0: Buffered, low-power, unity-gain path (default) + 1: Bypass path + 2: PGA path + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + default: 0 + + diff-channels: true + + bipolar: true + + settling-time-us: true + + adi,buffered-vrefp: + description: Enable buffered mode for positive reference. + type: boolean + + adi,buffered-vrefn: + description: Enable buffered mode for negative reference. + type: boolean + + required: + - reg + + additionalProperties: false + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + reg = <0>; + compatible = "adi,max11410"; + spi-max-frequency = <8000000>; + + interrupt-parent = <&gpio>; + interrupts = <25 2>; + interrupt-names = "gpio1"; + + avdd-supply = <&adc_avdd>; + + vref1p-supply = <&adc_vref1p>; + vref1n-supply = <&adc_vref1n>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + }; + + channel@1 { + reg = <1>; + diff-channels = <2 3>; + adi,reference = <1>; + bipolar; + settling-time-us = <100000>; + }; + + channel@2 { + reg = <2>; + diff-channels = <7 9>; + adi,reference = <5>; + adi,input-mode = <2>; + settling-time-us = <50000>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml new file mode 100644 index 0000000000..43576ec066 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml @@ -0,0 +1,195 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/adi,max313xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX313XX series I2C RTC driver + +maintainers: + - Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx> + - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx> + +description: Bindings for the Analog Devices MAX313XX series RTCs. + +properties: + compatible: + oneOf: + - enum: + - adi,max31328 + - adi,max31329 + - adi,max31331 + - adi,max31334 + - adi,max31341 + - adi,max31342 + - adi,max31343 + + reg: + description: I2C address of the RTC + items: + enum: [0x68, 0x69] + + interrupts: + minItems: 1 + maxItems: 2 + + interrupt-names: + description: | + Name of the interrupt pin of the RTC used for IRQ. Not required for + RTCs that only have single interrupt pin available. Some of the RTCs + share interrupt pins with clock input/output pins. + minItems: 1 + items: + - enum: + - INTA + - INTB + - enum: + - INTA + - INTB + + "#clock-cells": + description: | + RTC can be used as a clock source through its clock output pin when + supplied. + const: 0 + + clocks: + description: | + RTC uses this clock for clock input when supplied. Clock has to provide + one of these four frequencies: 1Hz, 50Hz, 60Hz or 32.768kHz. + maxItems: 1 + + trickle-diode-disable: true + + trickle-resistor-ohms: + description: Enables trickle charger with specified resistor value. + items: + enum: [3000, 6000, 11000] + + wakeup-source: true + +additionalProperties: false + +allOf: + - $ref: "rtc.yaml#" + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31342 + + then: + properties: + trickle-diode-disable: false + trickle-resistor-ohms: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31331 + - adi,max31334 + - adi,max31343 + + then: + properties: + clocks: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31341 + - adi,max31342 + + then: + properties: + reg: + items: + - const: 0x69 + + else: + properties: + reg: + items: + - const: 0x68 + +required: + - compatible + - reg + + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31328"; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31329"; + clocks = <&clkin>; + interrupt-parent = <&gpio>; + interrupts = <26 2>; + interrupt-names = "INTB"; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31331"; + #clock-cells = <0>; + interrupt-parent = <&gpio>; + interrupts = <25 2>, <26 2>; + interrupt-names = "INTA", "INTB"; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@69 { + reg = <0x69>; + compatible = "adi,max31341"; + #clock-cells = <0>; + clocks = <&clkin>; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + max31341: rtc@69 { + reg = <0x69>; + compatible = "adi,max31341"; + #clock-cells = <0>; + }; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31329"; + clocks = <&max31341>; + }; + }; -- 2.25.1
