86 lines
1.8 KiB
YAML
86 lines
1.8 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/ti,palmas-gpadc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Palmas general purpose ADC IP block devicetree bindings
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maintainers:
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- Tony Lindgren <tony@atomide.com>
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description: |
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This ADC is often used to provide channels via the io-channels
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consumer framework.
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Channels list:
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0 battery type
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1 battery temp NTC (optional current source)
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2 GP
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3 temp (with ext. diode, optional current source)
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4 GP
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5 GP
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6 VBAT_SENSE
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7 VCC_SENSE
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8 Backup Battery voltage
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9 external charger (VCHG)
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10 VBUS
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11 DC-DC current probe (how does this work?)
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12 internal die temp
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13 internal die temp
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14 USB ID pin voltage
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15 test network
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properties:
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compatible:
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const: ti,palmas-gpadc
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interrupts:
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minItems: 1
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maxItems: 3
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"#io-channel-cells":
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const: 1
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ti,channel0-current-microamp:
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description: Channel 0 current in uA.
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enum:
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- 0
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- 5
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- 15
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- 20
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ti,channel3-current-microamp:
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description: Channel 3 current in uA.
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enum:
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- 0
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- 10
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- 400
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- 800
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ti,enable-extended-delay:
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$ref: /schemas/types.yaml#/definitions/flag
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description: Enable extended delay.
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additionalProperties: false
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required:
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- compatible
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- "#io-channel-cells"
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examples:
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- |
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#include <dt-bindings/clock/mt8183-clk.h>
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pmic {
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compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
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adc {
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compatible = "ti,palmas-gpadc";
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interrupts = <18 0>,
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<16 0>,
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<17 0>;
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#io-channel-cells = <1>;
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ti,channel0-current-microamp = <5>;
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ti,channel3-current-microamp = <10>;
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};
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};
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...
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