Add dt-binding docs for the Qualcomm SPMI RRADC found in PMICs like PMI8998 and PMI8994 Signed-off-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../bindings/iio/adc/qcom,spmi-rradc.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml new file mode 100644 index 000000000000..11d47c46a48d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/qcom,spmi-rradc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm's SPMI PMIC Round Robin ADC + +maintainers: + - Caleb Connolly <caleb.connolly@xxxxxxxxxx> + +description: | + The Qualcomm SPMI Round Robin ADC (RRADC) provides interface to clients to read the + voltage, current and temperature for supported peripherals such as the battery thermistor + die temperature, charger temperature, USB and DC input voltage / current and battery ID + resistor. + +properties: + compatible: + enum: + - qcom,pmi8998-rradc + - qcom,pm660-rradc + + reg: + description: rradc base address and length in the SPMI PMIC register map + maxItems: 1 + + qcom,batt-id-delay-ms: + description: + Sets the hardware settling time for the battery ID resistor. + enum: [0, 1, 4, 12, 20, 40, 60, 80] + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pmic { + #address-cells = <1>; + #size-cells = <0>; + + pmic_rradc: adc@4500 { + compatible = "qcom,pmi8998-rradc"; + reg = <0x4500>; + #io-channel-cells = <1>; + }; + }; +... -- 2.35.1
