From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> The afe/voltage-divider.yaml example uses this device with 2 properties not provided by trivial-devices.yaml (spi-max-frequency and #io-channel-cells) Solve that by creating a more specific binding doc. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Cc: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Cc: Philippe Reynes <tremyfr@xxxxxxxx> --- .../bindings/iio/adc/maxim,max1027.yaml | 64 +++++++++++++++++++ .../devicetree/bindings/trivial-devices.yaml | 12 ---- 2 files changed, 64 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/maxim,max1027.yaml b/Documentation/devicetree/bindings/iio/adc/maxim,max1027.yaml new file mode 100644 index 000000000000..09e853c50c76 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/maxim,max1027.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/maxim,max1027.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX1027 and similar ADCs + +maintainers: + - Miquel Raynal <miquel.raynal@xxxxxxxxxxx> + - Philippe Reynes <tremyfr@xxxxxxxx> + +description: | + 300ks/s SPI ADCs with temperature sensors. + +properties: + compatible: + enum: + # 10-bit 8 channels + - maxim,max1027 + # 10-bit 12 channels + - maxim,max1029 + # 10-bit 16 channels + - maxim,max1031 + # 12-bit 8 channels + - maxim,max1227 + # 12-bit 12 channels + - maxim,max1229 + # 12-bit 16 channels + - maxim,max1231 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + spi-max-frequency: true + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + maxadc: adc@0 { + compatible = "maxim,max1027"; + reg = <0>; + #io-channel-cells = <1>; + interrupt-parent = <&gpio5>; + interrupts = <15 IRQ_TYPE_EDGE_RISING>; + spi-max-frequency = <1000000>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index d154ea97e30d..185e09e61e16 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -108,18 +108,6 @@ properties: - isil,isl68137 # 5 Bit Programmable, Pulse-Width Modulator - maxim,ds1050 - # 10-bit 8 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1027 - # 10-bit 12 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1029 - # 10-bit 16 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1031 - # 12-bit 8 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1227 - # 12-bit 12 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1229 - # 12-bit 16 channels 300ks/s SPI ADC with temperature sensor - - maxim,max1231 # Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs - maxim,max1237 # PECI-to-I2C translator for PECI-to-SMBus/I2C protocol conversion -- 2.28.0
