149 lines
3.6 KiB
YAML
149 lines
3.6 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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$id: http://devicetree.org/schemas/iio/adc/amlogic,meson-saradc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Amlogic Meson SAR (Successive Approximation Register) A/D converter
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maintainers:
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- Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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description:
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Binding covers a range of ADCs found on Amlogic Meson SoCs.
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properties:
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compatible:
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oneOf:
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- const: amlogic,meson-saradc
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- items:
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- enum:
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- amlogic,meson8-saradc
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- amlogic,meson8b-saradc
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- amlogic,meson8m2-saradc
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- amlogic,meson-gxbb-saradc
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- amlogic,meson-gxl-saradc
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- amlogic,meson-gxm-saradc
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- amlogic,meson-axg-saradc
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- amlogic,meson-g12a-saradc
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- const: amlogic,meson-saradc
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reg:
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maxItems: 1
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interrupts:
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description: Interrupt indicates end of sampling.
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maxItems: 1
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clocks:
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minItems: 2
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maxItems: 4
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clock-names:
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minItems: 2
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items:
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- const: clkin
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- const: core
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- const: adc_clk
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- const: adc_sel
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vref-supply: true
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"#io-channel-cells":
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const: 1
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amlogic,hhi-sysctrl:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Syscon which contains the 5th bit of the TSC (temperature sensor
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coefficient) on Meson8b and Meson8m2 (which used to calibrate the
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temperature sensor)
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nvmem-cells:
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description: phandle to the temperature_calib eFuse cells
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maxItems: 1
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nvmem-cell-names:
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const: temperature_calib
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,meson8-saradc
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- amlogic,meson8b-saradc
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- amlogic,meson8m2-saradc
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then:
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properties:
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clocks:
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maxItems: 2
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clock-names:
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maxItems: 2
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else:
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properties:
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nvmem-cells: false
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mvmem-cel-names: false
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clocks:
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minItems: 4
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clock-names:
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minItems: 4
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,meson8b-saradc
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- amlogic,meson8m2-saradc
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then:
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properties:
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amlogic,hhi-sysctrl: true
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else:
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properties:
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amlogic,hhi-sysctrl: false
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- "#io-channel-cells"
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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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#include <dt-bindings/clock/gxbb-clkc.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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adc@8680 {
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compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc";
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#io-channel-cells = <1>;
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reg = <0x0 0x8680 0x0 0x34>;
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interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>;
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clocks = <&xtal>,
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<&clkc CLKID_SAR_ADC>,
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<&clkc CLKID_SAR_ADC_CLK>,
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<&clkc CLKID_SAR_ADC_SEL>;
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clock-names = "clkin", "core", "adc_clk", "adc_sel";
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};
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adc@9680 {
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compatible = "amlogic,meson8b-saradc", "amlogic,meson-saradc";
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#io-channel-cells = <1>;
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reg = <0x0 0x9680 0x0 0x34>;
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interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>;
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clocks = <&xtal>, <&clkc CLKID_SAR_ADC>;
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clock-names = "clkin", "core";
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nvmem-cells = <&tsens_caldata>;
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nvmem-cell-names = "temperature_calib";
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amlogic,hhi-sysctrl = <&hhi>;
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};
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};
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...
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