diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
10 files changed, 152 insertions, 167 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml index 9692b7f719f5..e932d5aed02f 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml @@ -45,15 +45,12 @@ properties: refin1-supply: description: refin1 supply can be used as reference for conversion. - maxItems: 1 refin2-supply: description: refin2 supply can be used as reference for conversion. - maxItems: 1 avdd-supply: description: avdd supply can be used as reference for conversion. - maxItems: 1 required: - compatible diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml index cc544fdc38be..6eb33207a167 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml @@ -31,10 +31,7 @@ properties: spi-cpha: true - avcc-supply: - description: - Phandle to the Avcc power supply - maxItems: 1 + avcc-supply: true interrupts: maxItems: 1 diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml index d1109416963c..9acde6d2e2d9 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml @@ -39,7 +39,6 @@ properties: avdd-supply: description: The regulator supply for the ADC reference voltage. - maxItems: 1 powerdown-gpios: description: diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml index d76ece97c76c..91ab9c842273 100644 --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml @@ -41,7 +41,6 @@ properties: avdd-supply: description: Definition of the regulator used as analog supply - maxItems: 1 clock-frequency: minimum: 20000 diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt deleted file mode 100644 index e1fe02f3e3e9..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.txt +++ /dev/null @@ -1,107 +0,0 @@ -Samsung Exynos Analog to Digital Converter bindings - -The devicetree bindings are for the new ADC driver written for -Exynos4 and upward SoCs from Samsung. - -New driver handles the following -1. Supports ADC IF found on EXYNOS4412/EXYNOS5250 - and future SoCs from Samsung -2. Add ADC driver under iio/adc framework -3. Also adds the Documentation for device tree bindings - -Required properties: -- compatible: Must be "samsung,exynos-adc-v1" - for Exynos5250 controllers. - Must be "samsung,exynos-adc-v2" for - future controllers. - Must be "samsung,exynos3250-adc" for - controllers compatible with ADC of Exynos3250. - Must be "samsung,exynos4212-adc" for - controllers compatible with ADC of Exynos4212 and Exynos4412. - Must be "samsung,exynos7-adc" for - the ADC in Exynos7 and compatibles - Must be "samsung,s3c2410-adc" for - the ADC in s3c2410 and compatibles - Must be "samsung,s3c2416-adc" for - the ADC in s3c2416 and compatibles - Must be "samsung,s3c2440-adc" for - the ADC in s3c2440 and compatibles - Must be "samsung,s3c2443-adc" for - the ADC in s3c2443 and compatibles - Must be "samsung,s3c6410-adc" for - the ADC in s3c6410 and compatibles - Must be "samsung,s5pv210-adc" for - the ADC in s5pv210 and compatibles -- reg: List of ADC register address range - - The base address and range of ADC register - - The base address and range of ADC_PHY register (every - SoC except for s3c24xx/s3c64xx ADC) -- interrupts: Contains the interrupt information for the timer. The - format is being dependent on which interrupt controller - the Samsung device uses. -- #io-channel-cells = <1>; As ADC has multiple outputs -- clocks From common clock bindings: handles to clocks specified - in "clock-names" property, in the same order. -- clock-names From common clock bindings: list of clock input names - used by ADC block: - - "adc" : ADC bus clock - - "sclk" : ADC special clock (only for Exynos3250 and - compatible ADC block) -- vdd-supply VDD input supply. - -- samsung,syscon-phandle Contains the PMU system controller node - (To access the ADC_PHY register on Exynos5250/5420/5800/3250) -Optional properties: -- has-touchscreen: If present, indicates that a touchscreen is - connected an usable. - -Note: child nodes can be added for auto probing from device tree. - -Example: adding device info in dtsi file - -adc: adc@12d10000 { - compatible = "samsung,exynos-adc-v1"; - reg = <0x12D10000 0x100>; - interrupts = <0 106 0>; - #io-channel-cells = <1>; - io-channel-ranges; - - clocks = <&clock 303>; - clock-names = "adc"; - - vdd-supply = <&buck5_reg>; - samsung,syscon-phandle = <&pmu_system_controller>; -}; - -Example: adding device info in dtsi file for Exynos3250 with additional sclk - -adc: adc@126c0000 { - compatible = "samsung,exynos3250-adc", "samsung,exynos-adc-v2; - reg = <0x126C0000 0x100>; - interrupts = <0 137 0>; - #io-channel-cells = <1>; - io-channel-ranges; - - clocks = <&cmu CLK_TSADC>, <&cmu CLK_SCLK_TSADC>; - clock-names = "adc", "sclk"; - - vdd-supply = <&buck5_reg>; - samsung,syscon-phandle = <&pmu_system_controller>; -}; - -Example: Adding child nodes in dts file - -adc@12d10000 { - - /* NTC thermistor is a hwmon device */ - ncp15wb473@0 { - compatible = "murata,ncp15wb473"; - pullup-uv = <1800000>; - pullup-ohm = <47000>; - pulldown-ohm = <0>; - io-channels = <&adc 4>; - }; -}; - -Note: Does not apply to ADC driver under arch/arm/plat-samsung/ -Note: The child node can be added under the adc node or separately. diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml new file mode 100644 index 000000000000..f46de17c0878 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml @@ -0,0 +1,151 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/samsung,exynos-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos Analog to Digital Converter (ADC) + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + enum: + - samsung,exynos-adc-v1 # Exynos5250 + - samsung,exynos-adc-v2 + - samsung,exynos3250-adc + - samsung,exynos4212-adc # Exynos4212 and Exynos4412 + - samsung,exynos7-adc + - samsung,s3c2410-adc + - samsung,s3c2416-adc + - samsung,s3c2440-adc + - samsung,s3c2443-adc + - samsung,s3c6410-adc + - samsung,s5pv210-adc + + reg: + maxItems: 1 + + clocks: + description: + Phandle to ADC bus clock. For Exynos3250 additional clock is needed. + minItems: 1 + maxItems: 2 + + clock-names: + description: + Must contain clock names (adc, sclk) matching phandles in clocks + property. + minItems: 1 + maxItems: 2 + + interrupts: + maxItems: 1 + + "#io-channel-cells": + const: 1 + + vdd-supply: true + + samsung,syscon-phandle: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: + Phandle to the PMU system controller node (to access the ADC_PHY + register on Exynos3250/4x12/5250/5420/5800). + + has-touchscreen: + description: + If present, indicates that a touchscreen is connected and usable. + type: boolean + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - "#io-channel-cells" + - vdd-supply + +allOf: + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos-adc-v1 + - samsung,exynos-adc-v2 + - samsung,exynos3250-adc + - samsung,exynos4212-adc + - samsung,s5pv210-adc + then: + required: + - samsung,syscon-phandle + + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos3250-adc + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: adc + - const: sclk + else: + properties: + clocks: + minItems: 1 + maxItems: 1 + clock-names: + items: + - const: adc + +examples: + - | + adc: adc@12d10000 { + compatible = "samsung,exynos-adc-v1"; + reg = <0x12d10000 0x100>; + interrupts = <0 106 0>; + #io-channel-cells = <1>; + io-channel-ranges; + + clocks = <&clock 303>; + clock-names = "adc"; + + vdd-supply = <&buck5_reg>; + samsung,syscon-phandle = <&pmu_system_controller>; + + /* NTC thermistor is a hwmon device */ + ncp15wb473@0 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 4>; + }; + }; + + - | + #include <dt-bindings/clock/exynos3250.h> + + adc@126c0000 { + compatible = "samsung,exynos3250-adc"; + reg = <0x126C0000 0x100>; + interrupts = <0 137 0>; + #io-channel-cells = <1>; + io-channel-ranges; + + clocks = <&cmu CLK_TSADC>, + <&cmu CLK_SCLK_TSADC>; + clock-names = "adc", "sclk"; + + vdd-supply = <&buck5_reg>; + samsung,syscon-phandle = <&pmu_system_controller>; + }; diff --git a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml index a551d3101f93..19e53930ebf6 100644 --- a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml +++ b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml @@ -25,7 +25,6 @@ properties: vcc-supply: description: regulator that provides power to the sensor - maxItems: 1 plantower,set-gpios: description: GPIO connected to the SET line diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml index c6721a7e8938..519137e5c170 100644 --- a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml +++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml @@ -28,12 +28,10 @@ properties: vddd-supply: description: digital voltage regulator (see regulator/regulator.txt) - maxItems: 1 vdda-supply: description: analog voltage regulator (see regulator/regulator.txt) - maxItems: 1 reset-gpios: description: diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt deleted file mode 100644 index 85e6806b17d7..000000000000 --- a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt +++ /dev/null @@ -1,23 +0,0 @@ -STMicroelectronics STM32 Low-Power Timer Trigger - -STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used -by STM32 internal ADC and/or DAC. - -Must be a sub-node of an STM32 Low-Power Timer device tree node. -See ../mfd/stm32-lptimer.txt for details about the parent node. - -Required properties: -- compatible: Must be "st,stm32-lptimer-trigger". -- reg: Identify trigger hardware block. Must be 0, 1 or 2 - respectively for lptimer1, lptimer2 or lptimer3 - trigger output. - -Example: - timer@40002400 { - compatible = "st,stm32-lptimer"; - ... - trigger@0 { - compatible = "st,stm32-lptimer-trigger"; - reg = <0>; - }; - }; diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt deleted file mode 100644 index b8e8c769d434..000000000000 --- a/Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt +++ /dev/null @@ -1,25 +0,0 @@ -STMicroelectronics STM32 Timers IIO timer bindings - -Must be a sub-node of an STM32 Timers device tree node. -See ../mfd/stm32-timers.txt for details about the parent node. - -Required parameters: -- compatible: Must be one of: - "st,stm32-timer-trigger" - "st,stm32h7-timer-trigger" -- reg: Identify trigger hardware block. - -Example: - timers@40010000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "st,stm32-timers"; - reg = <0x40010000 0x400>; - clocks = <&rcc 0 160>; - clock-names = "int"; - - timer@0 { - compatible = "st,stm32-timer-trigger"; - reg = <0>; - }; - }; |