diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc')
10 files changed, 54 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt index d1acd5ea2737..54b823f3a453 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt @@ -4,6 +4,7 @@ Required properties: - compatible: depending on the SoC this should be one of: - "amlogic,meson8-saradc" for Meson8 - "amlogic,meson8b-saradc" for Meson8b + - "amlogic,meson8m2-saradc" for Meson8m2 - "amlogic,meson-gxbb-saradc" for GXBB - "amlogic,meson-gxl-saradc" for GXL - "amlogic,meson-gxm-saradc" for GXM diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 6469a4cd2a6d..4a3c1d496e1a 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -21,6 +21,14 @@ Optional properties: - dmas: Phandle to dma channel for the ADC. - dma-names: Must be "rx" when dmas property is being used. See ../../dma/dma.txt for details. + - #io-channel-cells: in case consumer drivers are attached, this must be 1. + See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details. + +Properties for consumer drivers: + - Consumer drivers can be connected to this producer device, as specified + in <Documentation/devicetree/bindings/iio/iio-bindings.txt> + - Channels exposed are specified in: + <dt-bindings/iio/adc/at91-sama5d2_adc.txt> Example: @@ -38,4 +46,5 @@ adc: adc@fc030000 { atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>; dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; dma-names = "rx"; + #io-channel-cells = <1>; } diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt index b3629405f568..7222328a3d0d 100644 --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.txt @@ -8,11 +8,17 @@ Required properties: See Documentation/devicetree/bindings/gpio/gpio.txt - avdd-supply: Definition of the regulator used as analog supply +Optional properties: + - clock-frequency: Frequency of PD_SCK in Hz + Minimum value allowed is 10 kHz because of maximum + high time of 50 microseconds. + Example: -weight@0 { +weight { compatible = "avia,hx711"; sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>; dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; avdd-suppy = <&avdd>; + clock-frequency = <100000>; }; diff --git a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt index 487ea966858e..ec04008e8f4f 100644 --- a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt @@ -2,7 +2,6 @@ Motorola CPCAP PMIC ADC binding Required properties: - compatible: Should be "motorola,cpcap-adc" or "motorola,mapphone-cpcap-adc" -- interrupt-parent: The interrupt controller - interrupts: The interrupt number for the ADC device - interrupt-names: Should be "adcdone" - #io-channel-cells: Number of cells in an IIO specifier diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt index b0866d36a307..eebdcec3dab5 100644 --- a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt @@ -8,7 +8,6 @@ Required properties: - reg: Should be the register range of the module. - interrupts: Should be the interrupt number of the module. Typically this is <1>. - - interrupt-parent: phandle to the tsadc module of the i.MX25. - #address-cells: Should be <1> (setting for the subnodes) - #size-cells: Should be <0> (setting for the subnodes) diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt index a8770cc6bcad..e680c61dfb84 100644 --- a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt @@ -3,8 +3,6 @@ Required properties: - compatible: Should be "maxim,max1027" or "maxim,max1029" or "maxim,max1031" - reg: SPI chip select number for the device - - interrupt-parent: phandle to the parent interrupt controller - see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - interrupts: IRQ line for the ADC see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt index ba24ca7ba95e..59b92cd32552 100644 --- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt +++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt @@ -7,7 +7,7 @@ Required properties: Example node: - ads1202: adc@0 { + ads1202: adc { compatible = "sd-modulator"; #io-channel-cells = <0>; }; diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt new file mode 100644 index 000000000000..8aad960de50b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt @@ -0,0 +1,36 @@ +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. + +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>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt index f1ead43a1a95..8346bcb04ad7 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt @@ -60,7 +60,6 @@ Required properties: - reg: Offset of ADC instance in ADC block (e.g. may be 0x0, 0x100, 0x200). - clocks: Input clock private to this ADC instance. It's required only on stm32f4, that has per instance clock input for registers access. -- interrupt-parent: Phandle to the parent interrupt controller. - interrupts: IRQ Line for the ADC (e.g. may be 0 for adc@0, 1 for adc@100 or 2 for adc@200). - st,adc-channels: List of single-ended channels muxed for this ADC. diff --git a/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt index d71258e2d456..e0e0755cabd8 100644 --- a/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt +++ b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt @@ -22,7 +22,6 @@ Required properties: clock to the AXI bus interface of the core. Optional properties: - - interrupt-parent: phandle to the parent interrupt controller - xlnx,external-mux: * "none": No external multiplexer is used, this is the default if the property is omitted. |