diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc')
8 files changed, 218 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml index 261601729745..36775f8f71df 100644 --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml @@ -22,7 +22,6 @@ properties: maxItems: 1 label: - $ref: /schemas/types.yaml#/definitions/string description: Unique name to identify which channel this is. bipolar: diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml index 7aa748d6b7a0..eecd5fbab695 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml @@ -44,6 +44,9 @@ properties: Pin that controls the powerdown mode of the device. maxItems: 1 + io-backends: + maxItems: 1 + reset-gpios: description: Reset pin for the device. @@ -68,6 +71,7 @@ examples: reg = <0>; clocks = <&adc_clk>; clock-names = "adc-clk"; + io-backends = <&iio_backend>; }; }; ... diff --git a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml index 9996dd93f84b..3d49d21ad33d 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml @@ -39,12 +39,15 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: A reference to a the actual ADC to which this FPGA ADC interfaces to. + deprecated: true + + '#io-backend-cells': + const: 0 required: - compatible - dmas - reg - - adi,adc-dev additionalProperties: false @@ -55,7 +58,6 @@ examples: reg = <0x44a00000 0x10000>; dmas = <&rx_dma 0>; dma-names = "rx"; - - adi,adc-dev = <&spi_adc>; + #io-backend-cells = <0>; }; ... diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml new file mode 100644 index 000000000000..47a11a9ac95e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/microchip,pac1934.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PAC1934 Power Monitors with Accumulator + +maintainers: + - Marius Cristea <marius.cristea@microchip.com> + +description: | + This device is part of the Microchip family of Power Monitors with + Accumulator. + The datasheet for PAC1931, PAC1932, PAC1933 and PAC1934 can be found here: + https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.pdf + +properties: + compatible: + enum: + - microchip,pac1931 + - microchip,pac1932 + - microchip,pac1933 + - microchip,pac1934 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + interrupts: + maxItems: 1 + + slow-io-gpios: + description: + A GPIO used to trigger a change is sampling rate (lowering the chip power + consumption). If configured in SLOW mode, if this pin is forced high, + sampling rate is forced to eight samples/second. When it is forced low, + the sampling rate is 1024 samples/second unless a different sample rate + has been programmed. + +patternProperties: + "^channel@[1-4]+$": + type: object + $ref: adc.yaml + description: + Represents the external channels which are connected to the ADC. + + properties: + reg: + items: + minimum: 1 + maximum: 4 + + shunt-resistor-micro-ohms: + description: + Value in micro Ohms of the shunt resistor connected between + the SENSE+ and SENSE- inputs, across which the current is measured. + Value is needed to compute the scaling of the measured current. + + required: + - reg + - shunt-resistor-micro-ohms + + unevaluatedProperties: false + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + power-monitor@10 { + compatible = "microchip,pac1934"; + reg = <0x10>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@1 { + reg = <0x1>; + shunt-resistor-micro-ohms = <24900000>; + label = "CPU"; + }; + + channel@2 { + reg = <0x2>; + shunt-resistor-micro-ohms = <49900000>; + label = "GPU"; + }; + + channel@3 { + reg = <0x3>; + shunt-resistor-micro-ohms = <75000000>; + label = "MEM"; + bipolar; + }; + + channel@4 { + reg = <0x4>; + shunt-resistor-micro-ohms = <100000000>; + label = "NET"; + bipolar; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml index dacc526dc695..dfc3f512918f 100644 --- a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml @@ -31,7 +31,6 @@ properties: - description: normal conversion, include EOC (End of Conversion), ECH (End of Chain), JEOC (End of Injected Conversion) and JECH (End of injected Chain). - - description: Self-testing Interrupts. clocks: maxItems: 1 @@ -70,8 +69,7 @@ examples: reg = <0x44530000 0x10000>; interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>; + <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clk IMX93_CLK_ADC1_GATE>; clock-names = "ipg"; vref-supply = <®_vref_1v8>; diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml index 40fa0710f1f0..c28db0d635a0 100644 --- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml @@ -75,7 +75,6 @@ patternProperties: in the PMIC-specific files in include/dt-bindings/iio/. label: - $ref: /schemas/types.yaml#/definitions/string description: | ADC input of the platform as seen in the schematics. For thermistor inputs connected to generic AMUX or GPIO inputs diff --git a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml index 88e008629ea8..af2c3a67f888 100644 --- a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml +++ b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml @@ -25,7 +25,14 @@ description: | properties: compatible: - const: richtek,rtq6056 + oneOf: + - enum: + - richtek,rtq6056 + - richtek,rtq6059 + - items: + - enum: + - richtek,rtq6053 + - const: richtek,rtq6056 reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml new file mode 100644 index 000000000000..bf5a43a81d59 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,ads1298.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments' ads1298 medical ADC chips + +description: | + Datasheet at: https://www.ti.com/product/ADS1298 + Bindings for this chip aren't complete. + +maintainers: + - Mike Looijmans <mike.looijmans@topic.nl> + +properties: + compatible: + enum: + - ti,ads1298 + + reg: + maxItems: 1 + + spi-cpha: true + + reset-gpios: + maxItems: 1 + + avdd-supply: + description: + Analog power supply, voltage between AVDD and AVSS. When providing a + symmetric +/- 2.5V, the regulator should report 5V. + + vref-supply: + description: + Optional reference voltage. If omitted, internal reference is used, + which is 2.4V when analog supply is below 4.4V, 4V otherwise. + + clocks: + description: Optional 2.048 MHz external source clock on CLK pin + maxItems: 1 + + interrupts: + description: Interrupt on DRDY pin, triggers on falling edge + maxItems: 1 + + label: true + +required: + - compatible + - reg + - avdd-supply + - interrupts + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@1 { + reg = <1>; + compatible = "ti,ads1298"; + label = "ads1298-1-ecg"; + avdd-supply = <®_iso_5v_a>; + clocks = <&clk_ads1298>; + interrupt-parent = <&gpio0>; + interrupts = <78 IRQ_TYPE_EDGE_FALLING>; + spi-max-frequency = <20000000>; + spi-cpha; + }; + }; +... |