diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc')
11 files changed, 365 insertions, 87 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml index ff4f5c21c548..8dae89ecb64d 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7380.yaml @@ -25,6 +25,7 @@ description: | * https://www.analog.com/en/products/ad7386-4.html * https://www.analog.com/en/products/ad7387-4.html * https://www.analog.com/en/products/ad7388-4.html + * https://www.analog.com/en/products/ad7389-4.html * https://www.analog.com/en/products/adaq4370-4.html * https://www.analog.com/en/products/adaq4380-4.html * https://www.analog.com/en/products/adaq4381-4.html @@ -49,6 +50,7 @@ properties: - adi,ad7386-4 - adi,ad7387-4 - adi,ad7388-4 + - adi,ad7389-4 - adi,adaq4370-4 - adi,adaq4380-4 - adi,adaq4381-4 @@ -213,6 +215,15 @@ allOf: properties: refin-supply: false + # adi,ad7389-4 is internal reference only + - if: + properties: + compatible: + const: adi,ad7389-4 + then: + properties: + refio-supply: false + # adaq devices need more supplies and using channel to declare gain property # only applies to adaq devices - if: diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml index 44c671eeda73..d0cb32f136e5 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7476.yaml @@ -17,35 +17,40 @@ description: | properties: compatible: - enum: - - adi,ad7091 - - adi,ad7091r - - adi,ad7273 - - adi,ad7274 - - adi,ad7276 - - adi,ad7277 - - adi,ad7278 - - adi,ad7466 - - adi,ad7467 - - adi,ad7468 - - adi,ad7475 - - adi,ad7476 - - adi,ad7476a - - adi,ad7477 - - adi,ad7477a - - adi,ad7478 - - adi,ad7478a - - adi,ad7495 - - adi,ad7910 - - adi,ad7920 - - adi,ad7940 - - ti,adc081s - - ti,adc101s - - ti,adc121s - - ti,ads7866 - - ti,ads7867 - - ti,ads7868 - - lltc,ltc2314-14 + oneOf: + - items: + - enum: + - adi,ad7091 + - adi,ad7091r + - adi,ad7273 + - adi,ad7274 + - adi,ad7276 + - adi,ad7277 + - adi,ad7278 + - adi,ad7466 + - adi,ad7467 + - adi,ad7468 + - adi,ad7475 + - adi,ad7476 + - adi,ad7476a + - adi,ad7477 + - adi,ad7477a + - adi,ad7478 + - adi,ad7478a + - adi,ad7495 + - adi,ad7910 + - adi,ad7920 + - adi,ad7940 + - ti,adc081s + - ti,adc101s + - ti,adc121s + - ti,ads7866 + - ti,ads7867 + - ti,ads7868 + - lltc,ltc2314-14 + - items: + - const: rohm,bu79100g + - const: ti,ads7866 reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml index 52d3f1ce3367..1a5209139e13 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml @@ -45,6 +45,14 @@ properties: "#size-cells": const: 0 + '#trigger-source-cells': + description: | + Cell indicates the output signal: 0 = BUSY, 1 = FIRSTDATA. + + For convenience, macros for these values are available in + dt-bindings/iio/adc/adi,ad7606.h. + const: 1 + # According to the datasheet, "Data is clocked in from SDI on the falling # edge of SCLK, while data is clocked out on DOUTA on the rising edge of # SCLK". Also, even if not stated textually in the datasheet, it is made @@ -215,12 +223,6 @@ allOf: - required: - pwms - - oneOf: - - required: - - interrupts - - required: - - io-backends - - if: properties: compatible: diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml index b0962a4583ac..bb9825e7346d 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml @@ -23,6 +23,7 @@ properties: - amlogic,meson8m2-saradc - amlogic,meson-gxbb-saradc - amlogic,meson-gxl-saradc + - amlogic,meson-gxlx-saradc - amlogic,meson-gxm-saradc - amlogic,meson-axg-saradc - amlogic,meson-g12a-saradc diff --git a/Documentation/devicetree/bindings/iio/adc/mediatek,mt2701-auxadc.yaml b/Documentation/devicetree/bindings/iio/adc/mediatek,mt2701-auxadc.yaml index 6168b44ea72c..b489c984c1bb 100644 --- a/Documentation/devicetree/bindings/iio/adc/mediatek,mt2701-auxadc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/mediatek,mt2701-auxadc.yaml @@ -34,6 +34,7 @@ properties: - const: mediatek,mt2701-auxadc - items: - enum: + - mediatek,mt6893-auxadc - mediatek,mt8183-auxadc - mediatek,mt8186-auxadc - mediatek,mt8188-auxadc diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml index 06951ec5f5da..3a69ec60edb9 100644 --- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml +++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml @@ -32,6 +32,9 @@ properties: spi-max-frequency: maximum: 20000000 + reset-gpios: + maxItems: 1 + clocks: description: | Phandle and clock identifier for external sampling clock. @@ -71,6 +74,7 @@ unevaluatedProperties: false examples: - | + #include <dt-bindings/gpio/gpio.h> spi { #address-cells = <1>; #size-cells = <0>; @@ -80,6 +84,7 @@ examples: reg = <0>; interrupt-parent = <&gpio5>; interrupts = <15 2>; + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; spi-max-frequency = <20000000>; microchip,device-addr = <0>; vref-supply = <&vref_reg>; diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml new file mode 100644 index 000000000000..8ce7d415d956 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nuvoton,nct7201.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton nct7201 and similar ADCs + +maintainers: + - Eason Yang <j2anfernee@gmail.com> + +description: | + The NCT7201/NCT7202 is a Nuvoton Hardware Monitor IC, contains up to 12 + voltage monitoring channels, with SMBus interface, and up to 4 sets SMBus + address selection by ADDR connection. It also provides ALERT# signal for + event notification and reset input RSTIN# to recover it from a fault + condition. + + NCT7201 contains 8 voltage monitor inputs (VIN1~VIN8). + NCT7202 contains 12 voltage monitor inputs (VIN1~VIN12). + +properties: + compatible: + enum: + - nuvoton,nct7201 + - nuvoton,nct7202 + + reg: + maxItems: 1 + + vdd-supply: + description: + A 3.3V to supply that powers the chip. + + vref-supply: + description: + The regulator supply for the ADC reference voltage. + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@1d { + compatible = "nuvoton,nct7202"; + reg = <0x1d>; + vdd-supply = <&vdd>; + vref-supply = <&vref>; + interrupt-parent = <&gpio3>; + interrupts = <30 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio3 28 GPIO_ACTIVE_LOW>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml index f39bc92c2b99..862e450da214 100644 --- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Qualcomm's SPMI PMIC Round Robin ADC maintainers: - - Caleb Connolly <caleb.connolly@linaro.org> + - Casey Connolly <casey.connolly@linaro.org> description: | The Qualcomm SPMI Round Robin ADC (RRADC) provides interface to clients to diff --git a/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml b/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml new file mode 100644 index 000000000000..2a8ad4fdfc6b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/rohm,bd79104.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM Semiconductor BD79104 ADC + +maintainers: + - Matti Vaittinen <mazziesaccount@gmail.com> + +description: | + 12 bit SPI ADC with 8 channels. + +properties: + compatible: + const: rohm,bd79104 + + reg: + maxItems: 1 + + vdd-supply: true + iovdd-supply: true + +# The component data-sheet says the frequency is 20M. I, however, found +# that the ROHM evaluation board BD79104FV-EVK-001 had problems with 20M. +# I have successfully used it with 4M. My _assumption_ is that this is not +# the limitation of the component itself, but a limitation of the EVK. + spi-max-frequency: + maximum: 20000000 + + "#io-channel-cells": + const: 1 + + spi-cpha: true + spi-cpol: true + +required: + - compatible + - reg + - vdd-supply + - iovdd-supply + - spi-cpha + - spi-cpol + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "rohm,bd79104"; + reg = <0>; + vdd-supply = <&vdd_supply>; + iovdd-supply = <&iovdd_supply>; + spi-max-frequency = <4000000>; + spi-cpha; + spi-cpol; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/rohm,bd79124.yaml b/Documentation/devicetree/bindings/iio/adc/rohm,bd79124.yaml new file mode 100644 index 000000000000..503285823376 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/rohm,bd79124.yaml @@ -0,0 +1,114 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/rohm,bd79124.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD79124 ADC/GPO + +maintainers: + - Matti Vaittinen <mazziesaccount@gmail.com> + +description: | + The ROHM BD79124 is a 12-bit, 8-channel, SAR ADC. The ADC supports + an automatic measurement mode, with an alarm interrupt for out-of-window + measurements. ADC input pins can be also configured as general purpose + outputs. + +properties: + compatible: + const: rohm,bd79124 + + reg: + description: + I2C slave address. + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 1 + description: + The pin number. + + vdd-supply: true + + iovdd-supply: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^channel@[0-7]+$": + type: object + $ref: /schemas/iio/adc/adc.yaml# + description: Represents ADC channel. + + properties: + reg: + description: AIN pin number + minimum: 0 + maximum: 7 + + required: + - reg + + additionalProperties: false + +required: + - compatible + - reg + - iovdd-supply + - vdd-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/leds/common.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + adc: adc@10 { + compatible = "rohm,bd79124"; + reg = <0x10>; + + interrupt-parent = <&gpio1>; + interrupts = <29 8>; + + vdd-supply = <&dummyreg>; + iovdd-supply = <&dummyreg>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + }; + channel@1 { + reg = <1>; + }; + channel@2 { + reg = <2>; + }; + channel@3 { + reg = <3>; + }; + channel@4 { + reg = <4>; + }; + channel@5 { + reg = <5>; + }; + channel@6 { + reg = <6>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml index ef9dcc365eab..17bb60e18a1c 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml @@ -498,7 +498,7 @@ patternProperties: examples: - | // Example 1: with stm32f429, ADC1, single-ended channel 8 - adc123: adc@40012000 { + adc123: adc@40012000 { compatible = "st,stm32f4-adc-core"; reg = <0x40012000 0x400>; interrupts = <18>; @@ -512,28 +512,28 @@ examples: #address-cells = <1>; #size-cells = <0>; adc@0 { - compatible = "st,stm32f4-adc"; - #io-channel-cells = <1>; - reg = <0x0>; - clocks = <&rcc 0 168>; - interrupt-parent = <&adc123>; - interrupts = <0>; - st,adc-channels = <8>; - dmas = <&dma2 0 0 0x400 0x0>; - dma-names = "rx"; - assigned-resolution-bits = <8>; + compatible = "st,stm32f4-adc"; + #io-channel-cells = <1>; + reg = <0x0>; + clocks = <&rcc 0 168>; + interrupt-parent = <&adc123>; + interrupts = <0>; + st,adc-channels = <8>; + dmas = <&dma2 0 0 0x400 0x0>; + dma-names = "rx"; + assigned-resolution-bits = <8>; }; // ... // other adc child nodes follow... - }; + }; - | // Example 2: with stm32mp157c to setup ADC1 with: // - channels 0 & 1 as single-ended // - channels 2 & 3 as differential (with resp. 6 & 7 negative inputs) - #include <dt-bindings/interrupt-controller/arm-gic.h> - #include <dt-bindings/clock/stm32mp1-clks.h> - adc12: adc@48003000 { + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + adc12: adc@48003000 { compatible = "st,stm32mp1-adc-core"; reg = <0x48003000 0x400>; interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, @@ -550,27 +550,27 @@ examples: #address-cells = <1>; #size-cells = <0>; adc@0 { - compatible = "st,stm32mp1-adc"; - #io-channel-cells = <1>; - reg = <0x0>; - interrupt-parent = <&adc12>; - interrupts = <0>; - st,adc-channels = <0 1>; - st,adc-diff-channels = <2 6>, <3 7>; - st,min-sample-time-nsecs = <5000>; - dmas = <&dmamux1 9 0x400 0x05>; - dma-names = "rx"; + compatible = "st,stm32mp1-adc"; + #io-channel-cells = <1>; + reg = <0x0>; + interrupt-parent = <&adc12>; + interrupts = <0>; + st,adc-channels = <0 1>; + st,adc-diff-channels = <2 6>, <3 7>; + st,min-sample-time-nsecs = <5000>; + dmas = <&dmamux1 9 0x400 0x05>; + dma-names = "rx"; }; // ... // other adc child node follow... - }; + }; - | // Example 3: with stm32mp157c to setup ADC2 with: // - internal channels 13, 14, 15. - #include <dt-bindings/interrupt-controller/arm-gic.h> - #include <dt-bindings/clock/stm32mp1-clks.h> - adc122: adc@48003000 { + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + adc122: adc@48003000 { compatible = "st,stm32mp1-adc-core"; reg = <0x48003000 0x400>; interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, @@ -587,28 +587,28 @@ examples: #address-cells = <1>; #size-cells = <0>; adc@100 { - compatible = "st,stm32mp1-adc"; - #io-channel-cells = <1>; - reg = <0x100>; - interrupts = <1>; - #address-cells = <1>; - #size-cells = <0>; - channel@13 { - reg = <13>; - label = "vrefint"; - st,min-sample-time-ns = <9000>; - }; - channel@14 { - reg = <14>; - label = "vddcore"; - st,min-sample-time-ns = <9000>; - }; - channel@15 { - reg = <15>; - label = "vbat"; - st,min-sample-time-ns = <9000>; - }; + compatible = "st,stm32mp1-adc"; + #io-channel-cells = <1>; + reg = <0x100>; + interrupts = <1>; + #address-cells = <1>; + #size-cells = <0>; + channel@13 { + reg = <13>; + label = "vrefint"; + st,min-sample-time-ns = <9000>; + }; + channel@14 { + reg = <14>; + label = "vddcore"; + st,min-sample-time-ns = <9000>; + }; + channel@15 { + reg = <15>; + label = "vbat"; + st,min-sample-time-ns = <9000>; + }; }; - }; + }; ... |