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61 lines
1.5 KiB
61 lines
1.5 KiB
3 years ago
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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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$id: http://devicetree.org/schemas/iio/adc/qcom,spmi-iadc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm's SPMI PMIC current ADC
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maintainers:
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- Jonathan Cameron <[email protected]>
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description: |
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QPNP PMIC current ADC (IADC) provides interface to clients to read current.
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A 16 bit ADC is used for current measurements. IADC can measure the current
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through an external resistor (channel 1) or internal (built-in) resistor
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(channel 0). When using an external resistor it is to be described by
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qcom,external-resistor-micro-ohms property.
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properties:
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compatible:
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const: qcom,spmi-iadc
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reg:
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description: IADC base address and length in the SPMI PMIC register map
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maxItems: 1
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qcom,external-resistor-micro-ohms:
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description:
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Sensor resistor value. If not defined value of 10000 micro Ohms
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will be used.
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interrupts:
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maxItems: 1
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description:
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End of conversion interrupt.
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"#io-channel-cells":
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const: 1
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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spmi_bus {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic_iadc: adc@3600 {
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compatible = "qcom,spmi-iadc";
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reg = <0x3600 0x100>;
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interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
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qcom,external-resistor-micro-ohms = <10000>;
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#io-channel-cells = <1>;
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};
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};
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...
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