diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc')
43 files changed, 1388 insertions, 596 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/ad7949.txt b/Documentation/devicetree/bindings/iio/adc/ad7949.txt deleted file mode 100644 index c7f5057356b1..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/ad7949.txt +++ /dev/null @@ -1,16 +0,0 @@ -* Analog Devices AD7949/AD7682/AD7689 - -Required properties: - - compatible: Should be one of - * "adi,ad7949" - * "adi,ad7682" - * "adi,ad7689" - - reg: spi chip select number for the device - - vref-supply: The regulator supply for ADC reference voltage - -Example: -adc@0 { - compatible = "adi,ad7949"; - reg = <0>; - vref-supply = <&vdd_supply>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.txt b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.txt deleted file mode 100644 index 9f5b88cf680d..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.txt +++ /dev/null @@ -1,41 +0,0 @@ -Analog Devices AD7768-1 ADC device driver - -Required properties for the AD7768-1: - -- compatible: Must be "adi,ad7768-1" -- reg: SPI chip select number for the device -- spi-max-frequency: Max SPI frequency to use - see: Documentation/devicetree/bindings/spi/spi-bus.txt -- clocks: phandle to the master clock (mclk) - see: Documentation/devicetree/bindings/clock/clock-bindings.txt -- clock-names: Must be "mclk". -- interrupts: IRQ line for the ADC - see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -- vref-supply: vref supply can be used as reference for conversion -- adi,sync-in-gpios: must be the device tree identifier of the SYNC-IN pin. Enables - synchronization of multiple devices that require simultaneous sampling. - A pulse is always required if the configuration is changed in any way, for example - if the filter decimation rate changes. As the line is active low, it should - be marked GPIO_ACTIVE_LOW. - -Optional properties: - - - reset-gpios : GPIO spec for the RESET pin. If specified, it will be asserted during - driver probe. As the line is active low, it should be marked GPIO_ACTIVE_LOW. - -Example: - - adc@0 { - compatible = "adi,ad7768-1"; - reg = <0>; - spi-max-frequency = <2000000>; - spi-cpol; - spi-cpha; - vref-supply = <&adc_vref>; - interrupts = <25 IRQ_TYPE_EDGE_RISING>; - interrupt-parent = <&gpio>; - adi,sync-in-gpios = <&gpio 22 GPIO_ACTIVE_LOW>; - reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; - clocks = <&ad7768_mclk>; - clock-names = "mclk"; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml new file mode 100644 index 000000000000..d3733ad8785a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad7768-1.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7768-1 ADC device driver + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + +description: | + Datasheet at: + https://www.analog.com/media/en/technical-documentation/data-sheets/ad7768-1.pdf + +properties: + compatible: + const: adi,ad7768-1 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: mclk + + interrupts: + maxItems: 1 + + vref-supply: + description: + ADC reference voltage supply + + adi,sync-in-gpios: + description: + Enables synchronization of multiple devices that require simultaneous + sampling. A pulse is always required if the configuration is changed + in any way, for example if the filter decimation rate changes. + As the line is active low, it should be marked GPIO_ACTIVE_LOW. + + reset-gpios: + maxItems: 1 + + spi-max-frequency: true + + spi-cpol: true + spi-cpha : true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - vref-supply + - spi-cpol + - spi-cpha + - adi,sync-in-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "adi,ad7768-1"; + reg = <0>; + spi-max-frequency = <2000000>; + spi-cpol; + spi-cpha; + vref-supply = <&adc_vref>; + interrupts = <25 IRQ_TYPE_EDGE_RISING>; + interrupt-parent = <&gpio>; + adi,sync-in-gpios = <&gpio 22 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; + clocks = <&ad7768_mclk>; + clock-names = "mclk"; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml new file mode 100644 index 000000000000..9b56bd4d5510 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad7949.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7949/AD7682/AD7689 analog to digital converters + +maintainers: + - Charles-Antoine Couret <charles-antoine.couret@essensium.com> + +description: | + Specifications on the converters can be found at: + AD7949: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf + AD7682/AD7698: + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf + +properties: + compatible: + enum: + - adi,ad7682 + - adi,ad7689 + - adi,ad7949 + + reg: + maxItems: 1 + + vref-supply: + description: + ADC reference voltage supply + + spi-max-frequency: true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - vref-supply + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "adi,ad7949"; + reg = <0>; + vref-supply = <&vdd_supply>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ads1015.txt b/Documentation/devicetree/bindings/iio/adc/ads1015.txt deleted file mode 100644 index 918a507d1159..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/ads1015.txt +++ /dev/null @@ -1,73 +0,0 @@ -ADS1015 (I2C) - -This device is a 12-bit A-D converter with 4 inputs. - -The inputs can be used single ended or in certain differential combinations. - -For configuration all possible combinations are mapped to 8 channels: - 0: Voltage over AIN0 and AIN1. - 1: Voltage over AIN0 and AIN3. - 2: Voltage over AIN1 and AIN3. - 3: Voltage over AIN2 and AIN3. - 4: Voltage over AIN0 and GND. - 5: Voltage over AIN1 and GND. - 6: Voltage over AIN2 and GND. - 7: Voltage over AIN3 and GND. - -Each channel can be configured individually: - - pga is the programmable gain amplifier (values are full scale) - 0: +/- 6.144 V - 1: +/- 4.096 V - 2: +/- 2.048 V (default) - 3: +/- 1.024 V - 4: +/- 0.512 V - 5: +/- 0.256 V - - data_rate in samples per second - 0: 128 - 1: 250 - 2: 490 - 3: 920 - 4: 1600 (default) - 5: 2400 - 6: 3300 - -1) The /ads1015 node - - Required properties: - - - compatible : must be "ti,ads1015" - - reg : I2C bus address of the device - - #address-cells : must be <1> - - #size-cells : must be <0> - - The node contains child nodes for each channel that the platform uses. - - Example ADS1015 node: - - ads1015@49 { - compatible = "ti,ads1015"; - reg = <0x49>; - #address-cells = <1>; - #size-cells = <0>; - - [ child node definitions... ] - } - -2) channel nodes - - Required properties: - - - reg : the channel number - - Optional properties: - - - ti,gain : the programmable gain amplifier setting - - ti,datarate : the converter data rate - - Example ADS1015 channel node: - - channel@4 { - reg = <4>; - ti,gain = <3>; - ti,datarate = <5>; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2400-adc.yaml b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2400-adc.yaml new file mode 100644 index 000000000000..7f534a933e92 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2400-adc.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/aspeed,ast2400-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC that forms part of an ASPEED server management processor. + +maintainers: + - Joel Stanley <joel@jms.id.au> + +description: + This device is a 10-bit converter for 16 voltage channels. All inputs are + single ended. + +properties: + compatible: + enum: + - aspeed,ast2400-adc + - aspeed,ast2500-adc + + reg: + maxItems: 1 + + clocks: + description: + Input clock used to derive the sample clock. Expected to be the + SoC's APB clock. + + resets: + maxItems: 1 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - resets + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/aspeed-clock.h> + adc@1e6e9000 { + compatible = "aspeed,ast2400-adc"; + reg = <0x1e6e9000 0xb0>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_ADC>; + #io-channel-cells = <1>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt deleted file mode 100644 index 034fc2ba100e..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt +++ /dev/null @@ -1,22 +0,0 @@ -Aspeed ADC - -This device is a 10-bit converter for 16 voltage channels. All inputs are -single ended. - -Required properties: -- compatible: Should be "aspeed,ast2400-adc" or "aspeed,ast2500-adc" -- reg: memory window mapping address and length -- clocks: Input clock used to derive the sample clock. Expected to be the - SoC's APB clock. -- resets: Reset controller phandle -- #io-channel-cells: Must be set to <1> to indicate channels are selected - by index. - -Example: - adc@1e6e9000 { - compatible = "aspeed,ast2400-adc"; - reg = <0x1e6e9000 0xb0>; - clocks = <&syscon ASPEED_CLK_APB>; - resets = <&syscon ASPEED_RESET_ADC>; - #io-channel-cells = <1>; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt b/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt deleted file mode 100644 index 908334c6b07f..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt +++ /dev/null @@ -1,19 +0,0 @@ -* Berlin Analog to Digital Converter (ADC) - -The Berlin ADC has 8 channels, with one connected to a temperature sensor. -It is part of the system controller register set. The ADC node should be a -sub-node of the system controller node. - -Required properties: -- compatible: must be "marvell,berlin2-adc" -- interrupts: the interrupts for the ADC and the temperature sensor -- interrupt-names: should be "adc" and "tsen" - -Example: - -adc: adc { - compatible = "marvell,berlin2-adc"; - interrupt-parent = <&sic>; - interrupts = <12>, <14>; - interrupt-names = "adc", "tsen"; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/cc10001_adc.txt b/Documentation/devicetree/bindings/iio/adc/cc10001_adc.txt deleted file mode 100644 index 904f76de9055..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/cc10001_adc.txt +++ /dev/null @@ -1,22 +0,0 @@ -* Cosmic Circuits - Analog to Digital Converter (CC-10001-ADC) - -Required properties: - - compatible: Should be "cosmic,10001-adc" - - reg: Should contain adc registers location and length. - - clock-names: Should contain "adc". - - clocks: Should contain a clock specifier for each entry in clock-names - - vref-supply: The regulator supply ADC reference voltage. - -Optional properties: - - adc-reserved-channels: Bitmask of reserved channels, - i.e. channels that cannot be used by the OS. - -Example: -adc: adc@18101600 { - compatible = "cosmic,10001-adc"; - reg = <0x18101600 0x24>; - adc-reserved-channels = <0x2>; - clocks = <&adc_clk>; - clock-names = "adc"; - vref-supply = <®_1v8>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/cosmic,10001-adc.yaml b/Documentation/devicetree/bindings/iio/adc/cosmic,10001-adc.yaml new file mode 100644 index 000000000000..5d92b477e23f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/cosmic,10001-adc.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/cosmic,10001-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cosmic Circuits CC-10001 ADC + +maintainers: + - Jonathan Cameron <jic23@kernel.org> + +description: + Cosmic Circuits 10001 10-bit ADC device. + +properties: + compatible: + const: cosmic,10001-adc + + reg: + maxItems: 1 + + adc-reserved-channels: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Bitmask of reserved channels, i.e. channels that cannot be + used by the OS. + + clocks: + maxItems: 1 + + clock-names: + const: adc + + vref-supply: true + + "#io-channel-cells": + const: 1 + + +required: + - compatible + - reg + - clocks + - clock-names + - vref-supply + +additionalProperties: false + +examples: + - | + adc@18101600 { + compatible = "cosmic,10001-adc"; + reg = <0x18101600 0x24>; + adc-reserved-channels = <0x2>; + clocks = <&adc_clk>; + clock-names = "adc"; + vref-supply = <®_1v8>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt deleted file mode 100644 index ec04008e8f4f..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt +++ /dev/null @@ -1,17 +0,0 @@ -Motorola CPCAP PMIC ADC binding - -Required properties: -- compatible: Should be "motorola,cpcap-adc" or "motorola,mapphone-cpcap-adc" -- interrupts: The interrupt number for the ADC device -- interrupt-names: Should be "adcdone" -- #io-channel-cells: Number of cells in an IIO specifier - -Example: - -cpcap_adc: adc { - compatible = "motorola,mapphone-cpcap-adc"; - interrupt-parent = <&cpcap>; - interrupts = <8 IRQ_TYPE_NONE>; - interrupt-names = "adcdone"; - #io-channel-cells = <1>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/da9150-gpadc.txt b/Documentation/devicetree/bindings/iio/adc/da9150-gpadc.txt deleted file mode 100644 index c07228da92ac..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/da9150-gpadc.txt +++ /dev/null @@ -1,16 +0,0 @@ -Dialog Semiconductor DA9150 IIO GPADC bindings - -Required properties: -- compatible: "dlg,da9150-gpadc" for DA9150 IIO GPADC -- #io-channel-cells: Should be set to <1> - (See Documentation/devicetree/bindings/iio/iio-bindings.txt for further info) - -For further information on GPADC channels, see device datasheet. - - -Example: - - gpadc: da9150-gpadc { - compatible = "dlg,da9150-gpadc"; - #io-channel-cells = <1>; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/dlg,da9150-gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/dlg,da9150-gpadc.yaml new file mode 100644 index 000000000000..cc29a2f2111a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/dlg,da9150-gpadc.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/dlg,da9150-gpadc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Dialog Semiconductor DA9150 IIO GPADC + +maintainers: + - Adam Thomson <Adam.Thomson.Opensource@diasemi.com> + +description: + This patch adds support for general purpose ADC within the + DA9150 Charger & Fuel-Gauge IC. + +properties: + compatible: + const: dlg,da9150-gpadc + + "#io-channel-cells": + const: 1 + +required: + - compatible + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + adc { + compatible = "dlg,da9150-gpadc"; + #io-channel-cells = <1>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt deleted file mode 100644 index eebdcec3dab5..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt +++ /dev/null @@ -1,57 +0,0 @@ -Freescale i.MX25 ADC GCQ device - -This is a generic conversion queue device that can convert any of the -analog inputs using the ADC unit of the i.MX25. - -Required properties: - - compatible: Should be "fsl,imx25-gcq". - - reg: Should be the register range of the module. - - interrupts: Should be the interrupt number of the module. - Typically this is <1>. - - #address-cells: Should be <1> (setting for the subnodes) - - #size-cells: Should be <0> (setting for the subnodes) - -Optional properties: - - vref-ext-supply: The regulator supplying the ADC reference voltage. - Required when at least one subnode uses the this reference. - - vref-xp-supply: The regulator supplying the ADC reference voltage on pin XP. - Required when at least one subnode uses this reference. - - vref-yp-supply: The regulator supplying the ADC reference voltage on pin YP. - Required when at least one subnode uses this reference. - -Sub-nodes: -Optionally you can define subnodes which define the reference voltage -for the analog inputs. - -Required properties for subnodes: - - reg: Should be the number of the analog input. - 0: xp - 1: yp - 2: xn - 3: yn - 4: wiper - 5: inaux0 - 6: inaux1 - 7: inaux2 -Optional properties for subnodes: - - fsl,adc-refp: specifies the positive reference input as defined in - <dt-bindings/iio/adc/fsl-imx25-gcq.h> - - fsl,adc-refn: specifies the negative reference input as defined in - <dt-bindings/iio/adc/fsl-imx25-gcq.h> - -Example: - - adc: adc@50030800 { - compatible = "fsl,imx25-gcq"; - reg = <0x50030800 0x60>; - interrupt-parent = <&tscadc>; - interrupts = <1>; - #address-cells = <1>; - #size-cells = <0>; - - inaux@5 { - reg = <5>; - fsl,adc-refp = <MX25_ADC_REFP_INT>; - fsl,adc-refn = <MX25_ADC_REFN_NGND>; - }; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.yaml b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.yaml new file mode 100644 index 000000000000..e9103497e3a4 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/fsl,imx25-gcq.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale ADC GCQ device + +description: + This is a generic conversion queue device that can convert any of the + analog inputs using the ADC unit of the i.MX25. + +maintainers: + - Jonathan Cameron <jic23@kernel.org> + +properties: + compatible: + const: fsl,imx25-gcq + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vref-ext-supply: + description: + The regulator supplying the ADC reference voltage. + Required when at least one subnode uses the this reference. + + vref-xp-supply: + description: + The regulator supplying the ADC reference voltage on pin XP. + Required when at least one subnode uses this reference. + + vref-yp-supply: + description: + The regulator supplying the ADC reference voltage on pin YP. + Required when at least one subnode uses this reference. + + "#io-channel-cells": + const: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - "#address-cells" + - "#size-cells" + +patternProperties: + "[a-z][a-z0-9]+@[0-9a-f]+$": + type: object + description: + Child nodes used to define the reference voltages used for each channel + + properties: + reg: + description: | + Number of the analog input. + 0: xp + 1: yp + 2: xn + 3: yn + 4: wiper + 5: inaux0 + 6: inaux1 + 7: inaux2 + items: + - minimum: 0 + maximum: 7 + + fsl,adc-refp: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Specifies the positive reference input as defined in + <dt-bindings/iio/adc/fsl-imx25-gcq.h> + 0: YP voltage reference + 1: XP voltage reference + 2: External voltage reference + 3: Internal voltage reference (default) + minimum: 0 + maximum: 3 + + fsl,adc-refn: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Specifies the negative reference input as defined in + <dt-bindings/iio/adc/fsl-imx25-gcq.h> + 0: XN ground reference + 1: YN ground reference + 2: Internal ground reference + 3: External ground reference (default) + minimum: 0 + maximum: 3 + + required: + - reg + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include <dt-bindings/iio/adc/fsl-imx25-gcq.h> + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@50030800 { + compatible = "fsl,imx25-gcq"; + reg = <0x50030800 0x60>; + interrupt-parent = <&tscadc>; + interrupts = <1>; + #address-cells = <1>; + #size-cells = <0>; + + inaux@5 { + reg = <5>; + fsl,adc-refp = <MX25_ADC_REFP_INT>; + fsl,adc-refn = <MX25_ADC_REFN_NGND>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx7d-adc.yaml b/Documentation/devicetree/bindings/iio/adc/fsl,imx7d-adc.yaml new file mode 100644 index 000000000000..afc5cc48a0ce --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx7d-adc.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/fsl,imx7d-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale ADC found on the imx7d SoC + +maintainers: + - Haibo Chen <haibo.chen@nxp.com> + +properties: + compatible: + const: fsl,imx7d-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: adc + + vref-supply: true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - vref-supply + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/imx7d-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@30610000 { + compatible = "fsl,imx7d-adc"; + reg = <0x30610000 0x10000>; + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7D_ADC_ROOT_CLK>; + clock-names = "adc"; + vref-supply = <®_vcc_3v3_mcu>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,vf610-adc.yaml b/Documentation/devicetree/bindings/iio/adc/fsl,vf610-adc.yaml new file mode 100644 index 000000000000..1ca571056ea9 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/fsl,vf610-adc.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/fsl,vf610-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC found on Freescale vf610 and similar SoCs + +maintainers: + - Fugang Duan <fugang.duan@nxp.com> + +description: + ADCs found on vf610/i.MX6slx and upward SoCs from Freescale. + +properties: + compatible: + const: fsl,vf610-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: ADC source clock (ipg clock) + maxItems: 1 + + clock-names: + const: adc + + vref-supply: + description: ADC reference voltage supply. + + fsl,adck-max-frequency: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 3 + maxItems: 3 + description: | + Maximum frequencies from datasheet operating requirements. + Three values necessary to cover the 3 conversion modes. + * Frequency in normal mode (ADLPC=0, ADHSC=0) + * Frequency in high-speed mode (ADLPC=0, ADHSC=1) + * Frequency in low-power mode (ADLPC=1, ADHSC=0) + + min-sample-time: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Minimum sampling time in nanoseconds. This value has + to be chosen according to the conversion mode and the connected analog + source resistance (R_as) and capacitance (C_as). Refer the datasheet's + operating requirements. A safe default across a wide range of R_as and + C_as as well as conversion modes is 1000ns. + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - vref-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/vf610-clock.h> + adc@4003b000 { + compatible = "fsl,vf610-adc"; + reg = <0x4003b000 0x1000>; + interrupts = <0 53 0x04>; + clocks = <&clks VF610_CLK_ADC0>; + clock-names = "adc"; + fsl,adck-max-frequency = <30000000>, <40000000>, <20000000>; + vref-supply = <®_vcc_3v3_mcu>; + min-sample-time = <10000>; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/hi8435.txt b/Documentation/devicetree/bindings/iio/adc/hi8435.txt deleted file mode 100644 index 3b0348c5e516..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/hi8435.txt +++ /dev/null @@ -1,21 +0,0 @@ -Holt Integrated Circuits HI-8435 threshold detector bindings - -Required properties: - - compatible: should be "holt,hi8435" - - reg: spi chip select number for the device - -Recommended properties: - - spi-max-frequency: definition as per - Documentation/devicetree/bindings/spi/spi-bus.txt - -Optional properties: - - gpios: GPIO used for controlling the reset pin - -Example: -sensor@0 { - compatible = "holt,hi8435"; - reg = <0>; - gpios = <&gpio6 1 0>; - - spi-max-frequency = <1000000>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/holt,hi8435.yaml b/Documentation/devicetree/bindings/iio/adc/holt,hi8435.yaml new file mode 100644 index 000000000000..9514c3381c42 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/holt,hi8435.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/holt,hi8435.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Holt Integrated Circuits HI-8435 SPI threshold detector + +maintainers: + - Vladimir Barinov <vladimir.barinov@cogentembedded.com> + +description: | + Datasheet: http://www.holtic.com/documents/427-hi-8435_v-rev-lpdf.do + +properties: + compatible: + const: holt,hi8435 + + reg: + maxItems: 1 + + gpios: + description: + GPIO used for controlling the reset pin + maxItems: 1 + + spi-max-frequency: true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + threshold-detector@0 { + compatible = "holt,hi8435"; + reg = <0>; + gpios = <&gpio6 1 0>; + spi-max-frequency = <1000000>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt b/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt deleted file mode 100644 index f1f3a552459b..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt +++ /dev/null @@ -1,24 +0,0 @@ -Freescale imx7d ADC bindings - -The devicetree bindings are for the ADC driver written for -imx7d SoC. - -Required properties: -- compatible: Should be "fsl,imx7d-adc" -- reg: Offset and length of the register set for the ADC device -- interrupts: The interrupt number for the ADC device -- clocks: The root clock of the ADC controller -- clock-names: Must contain "adc", matching entry in the clocks property -- vref-supply: The regulator supply ADC reference voltage -- #io-channel-cells: Must be 1 as per ../iio-bindings.txt - -Example: -adc1: adc@30610000 { - compatible = "fsl,imx7d-adc"; - reg = <0x30610000 0x10000>; - interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_ADC_ROOT_CLK>; - clock-names = "adc"; - vref-supply = <®_vcc_3v3_mcu>; - #io-channel-cells = <1>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt b/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt deleted file mode 100644 index 9ada5abd45fa..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt +++ /dev/null @@ -1,20 +0,0 @@ -NXP LPC1850 ADC bindings - -Required properties: -- compatible: Should be "nxp,lpc1850-adc" -- reg: Offset and length of the register set for the ADC device -- interrupts: The interrupt number for the ADC device -- clocks: The root clock of the ADC controller -- vref-supply: The regulator supply ADC reference voltage -- resets: phandle to reset controller and line specifier - -Example: - -adc0: adc@400e3000 { - compatible = "nxp,lpc1850-adc"; - reg = <0x400e3000 0x1000>; - interrupts = <17>; - clocks = <&ccu1 CLK_APB3_ADC0>; - vref-supply = <®_vdda>; - resets = <&rgu 40>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt deleted file mode 100644 index 3a1bc669bd51..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt +++ /dev/null @@ -1,21 +0,0 @@ -* NXP LPC32xx SoC ADC controller - -Required properties: -- compatible: must be "nxp,lpc3220-adc" -- reg: physical base address of the controller and length of memory mapped - region. -- interrupts: The ADC interrupt - -Optional: - - vref-supply: The regulator supply ADC reference voltage, optional - for legacy reason, but highly encouraging to us in new device tree - -Example: - - adc@40048000 { - compatible = "nxp,lpc3220-adc"; - reg = <0x40048000 0x1000>; - interrupt-parent = <&mic>; - interrupts = <39 0>; - vref-supply = <&vcc>; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/marvell,berlin2-adc.yaml b/Documentation/devicetree/bindings/iio/adc/marvell,berlin2-adc.yaml new file mode 100644 index 000000000000..b3b292fb1c59 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/marvell,berlin2-adc.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/marvell,berlin2-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Berlin 2 Analog to Digital Converter (ADC) + +maintainers: + - Antoine Tenart <antoine.tenart@free-electrons.com> + +description: + The Berlin ADC has 8 channels, with one connected to a temperature sensor. + It is part of the system controller register set. The ADC node should be a + sub-node of the system controller node. + +properties: + compatible: + const: marvell,berlin2-adc + + interrupts: + minItems: 2 + maxItems: 2 + + interrupt-names: + items: + - const: adc + - const: tsen + + "#io-channel-cells": + const: 1 + +required: + - compatible + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + sysctrl { + adc { + compatible = "marvell,berlin2-adc"; + interrupt-parent = <&sic>; + interrupts = <12>, <14>; + interrupt-names = "adc", "tsen"; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/motorola,cpcap-adc.yaml b/Documentation/devicetree/bindings/iio/adc/motorola,cpcap-adc.yaml new file mode 100644 index 000000000000..a6cb857a232d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/motorola,cpcap-adc.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/motorola,cpcap-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Motorola CPCAP PMIC ADC binding + +maintainers: + - Tony Lindgren <tony@atomide.com> + +description: + On Motorola phones like droid 4 there is a custom CPCAP PMIC. This PMIC + has ADCs that are used for battery charging and USB PHY VBUS and ID pin + detection. + +properties: + compatible: + enum: + - motorola,cpcap-adc + - motorola,mapphone-cpcap-adc + + interrupts: + maxItems: 1 + + interrupt-names: + const: adcdone + + "#io-channel-cells": + const: 1 + +required: + - compatible + - interrupts + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + pmic { + #address-cells = <1>; + #size-cells = <0>; + adc { + compatible = "motorola,mapphone-cpcap-adc"; + interrupt-parent = <&cpcap>; + interrupts = <8 IRQ_TYPE_NONE>; + interrupt-names = "adcdone"; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nau7802.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nau7802.yaml new file mode 100644 index 000000000000..04566ff02eb6 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nau7802.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nuvoton,nau7802.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NAU7802 I2c Analog to Digital Converter (ADC) + +maintainers: + - Alexandre Belloni <alexandre.belloni@bootlin.com> + - Maxime Ripard <mripard@kernel.org> + +properties: + compatible: + const: nuvoton,nau7802 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + nuvoton,vldo: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Internal reference voltage in millivolts to be configured. + minimum: 2400 + maximum: 4500 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + nau7802@2a { + compatible = "nuvoton,nau7802"; + reg = <0x2a>; + nuvoton,vldo = <3000>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt deleted file mode 100644 index ef8eeec1a997..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt +++ /dev/null @@ -1,26 +0,0 @@ -Nuvoton NPCM Analog to Digital Converter (ADC) - -The NPCM ADC is a 10-bit converter for eight channel inputs. - -Required properties: -- compatible: "nuvoton,npcm750-adc" for the NPCM7XX BMC. -- reg: specifies physical base address and size of the registers. -- interrupts: Contain the ADC interrupt with flags for falling edge. -- resets : phandle to the reset control for this device. - -Optional properties: -- clocks: phandle of ADC reference clock, in case the clock is not - added the ADC will use the default ADC sample rate. -- vref-supply: The regulator supply ADC reference voltage, in case the - vref-supply is not added the ADC will use internal voltage - reference. - -Example: - -adc: adc@f000c000 { - compatible = "nuvoton,npcm750-adc"; - reg = <0xf000c000 0x8>; - interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk NPCM7XX_CLK_ADC>; - resets = <&rstc NPCM7XX_RESET_IPSRST1 NPCM7XX_RESET_ADC>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm750-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm750-adc.yaml new file mode 100644 index 000000000000..001cf263b7d5 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm750-adc.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nuvoton,npcm750-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM BMC Analog to Digital Converter (ADC) + +maintainers: + - Tomer Maimon <tmaimon77@gmail.com> + +description: + The NPCM ADC is a 10-bit converter for eight channel inputs. + +properties: + compatible: + const: nuvoton,npcm750-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: ADC interrupt, should be set for falling edge. + + resets: + maxItems: 1 + + clocks: + maxItems: 1 + description: If not provided the defulat ADC sample rate will be used. + + vref-supply: + description: If not supplied, the internal voltage reference will be used. + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h> + #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h> + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@f000c000 { + compatible = "nuvoton,npcm750-adc"; + reg = <0xf000c000 0x8>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk NPCM7XX_CLK_ADC>; + resets = <&rstc NPCM7XX_RESET_IPSRST1 NPCM7XX_RESET_ADC>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton-nau7802.txt b/Documentation/devicetree/bindings/iio/adc/nuvoton-nau7802.txt deleted file mode 100644 index e9582e6fe350..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/nuvoton-nau7802.txt +++ /dev/null @@ -1,18 +0,0 @@ -* Nuvoton NAU7802 Analog to Digital Converter (ADC) - -Required properties: - - compatible: Should be "nuvoton,nau7802" - - reg: Should contain the ADC I2C address - -Optional properties: - - nuvoton,vldo: Internal reference voltage in millivolts to be - configured valid values are between 2400 mV and 4500 mV. - - interrupts: IRQ line for the ADC. If not used the driver will use - polling. - -Example: -adc2: nau7802@2a { - compatible = "nuvoton,nau7802"; - reg = <0x2a>; - nuvoton,vldo = <3000>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,lpc1850-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,lpc1850-adc.yaml new file mode 100644 index 000000000000..6404fb73f8ed --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nxp,lpc1850-adc.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nxp,lpc1850-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP LPC1850 ADC bindings + +maintainers: + - Joachim Eastwood <manabian@gmail.com> + +description: + Supports the ADC found on the LPC1850 SoC. + +properties: + compatible: + const: nxp,lpc1850-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + vref-supply: true + + resets: + maxItems: 1 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - vref-supply + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/lpc18xx-ccu.h> + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@400e3000 { + compatible = "nxp,lpc1850-adc"; + reg = <0x400e3000 0x1000>; + interrupts = <17>; + clocks = <&ccu1 CLK_APB3_ADC0>; + vref-supply = <®_vdda>; + resets = <&rgu 40>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml new file mode 100644 index 000000000000..2c5032be83bd --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nxp,lpc3220-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP LPC3220 SoC ADC controller + +maintainers: + - Gregory Clement <gregory.clement@bootlin.com> + +description: + This hardware block has been used on several LPC32XX SoCs. + +properties: + compatible: + const: nxp,lpc3220-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vref-supply: true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@40048000 { + compatible = "nxp,lpc3220-adc"; + reg = <0x40048000 0x1000>; + interrupt-parent = <&mic>; + interrupts = <39 0>; + vref-supply = <&vcc>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml index cc3c8ea6a894..37d6591ff78c 100644 --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml @@ -41,7 +41,10 @@ properties: maxItems: 2 interrupts: - maxItems: 1 + description: + ADC interrupt followed by optional touchscreen interrupt. + minItems: 1 + maxItems: 2 "#io-channel-cells": const: 1 @@ -78,7 +81,6 @@ allOf: - samsung,exynos-adc-v2 - samsung,exynos3250-adc - samsung,exynos4212-adc - - samsung,s5pv210-adc then: required: - samsung,syscon-phandle @@ -107,6 +109,15 @@ allOf: items: - const: adc + - if: + required: + - has-touchscreen + then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + examples: - | adc: adc@12d10000 { diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc2720-adc.yaml b/Documentation/devicetree/bindings/iio/adc/sprd,sc2720-adc.yaml new file mode 100644 index 000000000000..caa3ee0b4b8c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc2720-adc.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/sprd,sc2720-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Spreadtrum SC27XX series PMICs ADC binding + +maintainers: + - Baolin Wang <baolin.wang7@gmail.com> + +description: + Supports the ADC found on these PMICs. + +properties: + compatible: + enum: + - sprd,sc2720-adc + - sprd,sc2721-adc + - sprd,sc2723-adc + - sprd,sc2730-adc + - sprd,sc2731-adc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#io-channel-cells": + const: 1 + + hwlocks: + maxItems: 1 + + nvmem-cells: + maxItems: 2 + + nvmem-cell-names: + items: + - const: big_scale_calib + - const: small_scale_calib + +required: + - compatible + - reg + - interrupts + - "#io-channel-cells" + - hwlocks + - nvmem-cells + - nvmem-cell-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + pmic { + #address-cells = <1>; + #size-cells = <0>; + adc@480 { + compatible = "sprd,sc2731-adc"; + reg = <0x480>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + #io-channel-cells = <1>; + hwlocks = <&hwlock 4>; + nvmem-cells = <&adc_big_scale>, <&adc_small_scale>; + nvmem-cell-names = "big_scale_calib", "small_scale_calib"; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt deleted file mode 100644 index b4daa15dcf15..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt +++ /dev/null @@ -1,40 +0,0 @@ -Spreadtrum SC27XX series PMICs ADC binding - -Required properties: -- compatible: Should be one of the following. - "sprd,sc2720-adc" - "sprd,sc2721-adc" - "sprd,sc2723-adc" - "sprd,sc2730-adc" - "sprd,sc2731-adc" -- reg: The address offset of ADC controller. -- interrupt-parent: The interrupt controller. -- interrupts: The interrupt number for the ADC device. -- #io-channel-cells: Number of cells in an IIO specifier. -- hwlocks: Reference to a phandle of a hwlock provider node. -- nvmem-cells: A phandle to the calibration cells provided by eFuse device. -- nvmem-cell-names: Should be "big_scale_calib", "small_scale_calib". - -Example: - - sc2731_pmic: pmic@0 { - compatible = "sprd,sc2731"; - reg = <0>; - spi-max-frequency = <26000000>; - interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; - interrupt-controller; - #interrupt-cells = <2>; - #address-cells = <1>; - #size-cells = <0>; - - pmic_adc: adc@480 { - compatible = "sprd,sc2731-adc"; - reg = <0x480>; - interrupt-parent = <&sc2731_pmic>; - interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; - #io-channel-cells = <1>; - hwlocks = <&hwlock 4>; - nvmem-cells = <&adc_big_scale>, <&adc_small_scale>; - nvmem-cell-names = "big_scale_calib", "small_scale_calib"; - }; - }; diff --git a/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml new file mode 100644 index 000000000000..9049c699152f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/st,stmpe-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC on an STMPE multifunction device. + +maintainers: + - Stefan Agner <stefan@agner.ch> + +description: + This ADC forms part of an ST microelectronics STMPE multifunction device . + The ADC is shared with the STMPE touchscreen. As a result some ADC related + settings are specified in the parent node. + The node name myst be stmpe_adc and should be a child node of the stmpe node + to which it belongs. + +properties: + compatible: + const: st,stmpe-adc + + st,norequest-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Bitmask specifying which ADC channels should _not_ be + requestable due to different usage (e.g. touch). + + "#io-channel-cells": + const: 1 + +required: + - compatible + +additionalProperties: false + +examples: + - | + stmpe { + stmpe_adc { + compatible = "st,stmpe-adc"; + st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */ + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/stmpe-adc.txt b/Documentation/devicetree/bindings/iio/adc/stmpe-adc.txt deleted file mode 100644 index 480e66422625..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/stmpe-adc.txt +++ /dev/null @@ -1,21 +0,0 @@ -STMPE ADC driver ----------------- - -Required properties: - - compatible: "st,stmpe-adc" - -Optional properties: -Note that the ADC is shared with the STMPE touchscreen. ADC related settings -have to be done in the mfd. -- st,norequest-mask: bitmask specifying which ADC channels should _not_ be - requestable due to different usage (e.g. touch) - -Node name must be stmpe_adc and should be child node of stmpe node to -which it belongs. - -Example: - - stmpe_adc { - compatible = "st,stmpe-adc"; - st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */ - }; diff --git a/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml b/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml new file mode 100644 index 000000000000..ec3b2edf1fb7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,adc12138.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments ADC12138 and similar self-calibrating ADCs + +maintainers: + - Akinobu Mita <akinobu.mita@gmail.com> + +description: | + 13 bit ADCs with 1, 2 or 8 inputs and self calibrating circuitry to + correct for linearity, zero and full scale errors. + +properties: + compatible: + enum: + - ti,adc12130 + - ti,adc12132 + - ti,adc12138 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: End of Conversion (EOC) interrupt + + clocks: + maxItems: 1 + description: Conversion clock input. + + spi-max-frequency: true + + vref-p-supply: + description: The regulator supply for positive analog voltage reference + + vref-n-supply: + description: | + The regulator supply for negative analog voltage reference + (Note that this must not go below GND or exceed vref-p) + If not specified, this is assumed to be analog ground. + + ti,acquisition-time: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 6, 10, 18, 34 ] + description: | + The number of conversion clock periods for the S/H's acquisition time. + For high source impedances, this value can be increased to 18 or 34. + For less ADC accuracy and/or slower CCLK frequencies this value may be + decreased to 6. See section 6.0 INPUT SOURCE RESISTANCE in the + datasheet for details. + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - vref-p-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "ti,adc12138"; + reg = <0>; + interrupts = <28 IRQ_TYPE_EDGE_RISING>; + interrupt-parent = <&gpio1>; + clocks = <&cclk>; + vref-p-supply = <&ldo4_reg>; + spi-max-frequency = <5000000>; + ti,acquisition-time = <6>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml new file mode 100644 index 000000000000..2c2d01bbc296 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,ads1015.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI ADS1015 4 channel I2C analog to digital converter + +maintainers: + - Daniel Baluta <daniel.baluta@nxp.com> + +description: | + Datasheet at: https://www.ti.com/lit/gpn/ads1015 + Supports both single ended and differential channels. + +properties: + compatible: + const: ti,ads1015 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +patternProperties: + "^channel@[0-7]+$": + type: object + description: + Child nodes needed for each channel that the platform uses. + + properties: + reg: + description: | + 0: Voltage over AIN0 and AIN1. + 1: Voltage over AIN0 and AIN3. + 2: Voltage over AIN1 and AIN3. + 3: Voltage over AIN2 and AIN3. + 4: Voltage over AIN0 and GND. + 5: Voltage over AIN1 and GND. + 6: Voltage over AIN2 and GND. + 7: Voltage over AIN3 and GND. + items: + - minimum: 0 + maximum: 7 + + ti,gain: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + description: | + pga is the programmable gain amplifier (values are full scale) + 0: +/- 6.144 V + 1: +/- 4.096 V + 2: +/- 2.048 V (default) + 3: +/- 1.024 V + 4: +/- 0.512 V + 5: +/- 0.256 V + + ti,datarate: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 6 + description: | + Data acquisition rate in samples per second + 0: 128 + 1: 250 + 2: 490 + 3: 920 + 4: 1600 (default) + 5: 2400 + 6: 3300 + + required: + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@49 { + compatible = "ti,ads1015"; + reg = <0x49>; + #address-cells = <1>; + #size-cells = <0>; + channel@0 { + reg = <0>; + }; + channel@4 { + reg = <4>; + ti,gain = <3>; + ti,datarate = <5>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml new file mode 100644 index 000000000000..5ab5027be97e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7950.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,ads7950.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments ADS7950 and similar ADCs + +maintainers: + - David Lechner <david@lechnology.com> + +description: | + Family of 4-16 channel, 8-12 bit ADCs with SPI interface. + +properties: + compatible: + enum: + - ti,ads7950 + - ti,ads7951 + - ti,ads7952 + - ti,ads7953 + - ti,ads7954 + - ti,ads7955 + - ti,ads7956 + - ti,ads7957 + - ti,ads7958 + - ti,ads7959 + - ti,ads7960 + - ti,ads7961 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 20000000 + + vref-supply: + description: Supplies the 2.5V or 5V reference voltage + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - vref-supply + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "ti,ads7957"; + reg = <0>; + vref-supply = <&refin_supply>; + spi-max-frequency = <10000000>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ti,twl4030-madc.yaml b/Documentation/devicetree/bindings/iio/adc/ti,twl4030-madc.yaml new file mode 100644 index 000000000000..6781ad2f0f51 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,twl4030-madc.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,twl4030-madc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MADC subsystem in the TWL4030 power module + +maintainers: + - Sebastian Reichel <sre@kernel.org> + +description: + The MADC subsystem in the TWL4030 consists of a 10-bit ADC + combined with a 16-input analog multiplexer. + +properties: + compatible: + const: ti,twl4030-madc + + interrupts: + maxItems: 1 + + ti,system-uses-second-madc-irq: + type: boolean + description: + Set if the second madc irq register should be used, which is intended + to be used by Co-Processors (e.g. a modem). + + "#io-channel-cells": + const: 1 + +required: + - compatible + - interrupts + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + twl { + madc { + compatible = "ti,twl4030-madc"; + interrupts = <3>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt deleted file mode 100644 index 049a1d36f013..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt +++ /dev/null @@ -1,37 +0,0 @@ -* Texas Instruments' ADC12130/ADC12132/ADC12138 - -Required properties: - - compatible: Should be one of - * "ti,adc12130" - * "ti,adc12132" - * "ti,adc12138" - - reg: SPI chip select number for the device - - interrupts: Should contain interrupt for EOC (end of conversion) - - clocks: phandle to conversion clock input - - spi-max-frequency: Definision as per - Documentation/devicetree/bindings/spi/spi-bus.txt - - vref-p-supply: The regulator supply for positive analog voltage reference - -Optional properties: - - vref-n-supply: The regulator supply for negative analog voltage reference - (Note that this must not go below GND or exceed vref-p) - If not specified, this is assumed to be analog ground. - - ti,acquisition-time: The number of conversion clock periods for the S/H's - acquisition time. Should be one of 6, 10, 18, 34. If not specified, - default value of 10 is used. - For high source impedances, this value can be increased to 18 or 34. - For less ADC accuracy and/or slower CCLK frequencies this value may be - decreased to 6. See section 6.0 INPUT SOURCE RESISTANCE in the - datasheet for details. - -Example: -adc@0 { - compatible = "ti,adc12138"; - reg = <0>; - interrupts = <28 IRQ_TYPE_EDGE_RISING>; - interrupt-parent = <&gpio1>; - clocks = <&cclk>; - vref-p-supply = <&ldo4_reg>; - spi-max-frequency = <5000000>; - ti,acquisition-time = <6>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt b/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt deleted file mode 100644 index e77a6f7e1001..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt +++ /dev/null @@ -1,23 +0,0 @@ -* Texas Instruments ADS7950 family of A/DC chips - -Required properties: - - compatible: Must be one of "ti,ads7950", "ti,ads7951", "ti,ads7952", - "ti,ads7953", "ti,ads7954", "ti,ads7955", "ti,ads7956", "ti,ads7957", - "ti,ads7958", "ti,ads7959", "ti,ads7960", or "ti,ads7961" - - reg: SPI chip select number for the device - - #io-channel-cells: Must be 1 as per ../iio-bindings.txt - - vref-supply: phandle to a regulator node that supplies the 2.5V or 5V - reference voltage - -Recommended properties: - - spi-max-frequency: Definition as per - Documentation/devicetree/bindings/spi/spi-bus.txt - -Example: -adc@0 { - compatible = "ti,ads7957"; - reg = <0>; - #io-channel-cells = <1>; - vref-supply = <&refin_supply>; - spi-max-frequency = <10000000>; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt b/Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt deleted file mode 100644 index 6bdd21404b57..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt +++ /dev/null @@ -1,24 +0,0 @@ -* TWL4030 Monitoring Analog to Digital Converter (MADC) - -The MADC subsystem in the TWL4030 consists of a 10-bit ADC -combined with a 16-input analog multiplexer. - -Required properties: - - compatible: Should contain "ti,twl4030-madc". - - interrupts: IRQ line for the MADC submodule. - - #io-channel-cells: Should be set to <1>. - -Optional properties: - - ti,system-uses-second-madc-irq: boolean, set if the second madc irq register - should be used, which is intended to be used - by Co-Processors (e.g. a modem). - -Example: - -&twl { - madc { - compatible = "ti,twl4030-madc"; - interrupts = <3>; - #io-channel-cells = <1>; - }; -}; diff --git a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt deleted file mode 100644 index 1aad0514e647..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt +++ /dev/null @@ -1,36 +0,0 @@ -Freescale vf610 Analog to Digital Converter bindings - -The devicetree bindings are for the new ADC driver written for -vf610/i.MX6slx and upward SoCs from Freescale. - -Required properties: -- compatible: Should contain "fsl,vf610-adc" -- reg: Offset and length of the register set for the device -- interrupts: Should contain the interrupt for the device -- clocks: The clock is needed by the ADC controller, ADC clock source is ipg clock. -- clock-names: Must contain "adc", matching entry in the clocks property. -- vref-supply: The regulator supply ADC reference voltage. - -Recommended properties: -- fsl,adck-max-frequency: Maximum frequencies according to datasheets operating - requirements. Three values are required, depending on conversion mode: - - Frequency in normal mode (ADLPC=0, ADHSC=0) - - Frequency in high-speed mode (ADLPC=0, ADHSC=1) - - Frequency in low-power mode (ADLPC=1, ADHSC=0) -- min-sample-time: Minimum sampling time in nanoseconds. This value has - to be chosen according to the conversion mode and the connected analog - source resistance (R_as) and capacitance (C_as). Refer the datasheet's - operating requirements. A safe default across a wide range of R_as and - C_as as well as conversion modes is 1000ns. - -Example: -adc0: adc@4003b000 { - compatible = "fsl,vf610-adc"; - reg = <0x4003b000 0x1000>; - interrupts = <0 53 0x04>; - clocks = <&clks VF610_CLK_ADC0>; - clock-names = "adc"; - fsl,adck-max-frequency = <30000000>, <40000000>, - <20000000>; - vref-supply = <®_vcc_3v3_mcu>; -}; |