diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc')
5 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt index f9e3ff2..0471891 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt @@ -7,6 +7,7 @@ Required properties: - "amlogic,meson-gxm-saradc" for GXM along with the generic "amlogic,meson-saradc" - reg: the physical base address and length of the registers +- interrupts: the interrupt indicating end of sampling - clocks: phandle and clock identifier (see clock-names) - clock-names: mandatory clocks: - "clkin" for the reference clock (typically XTAL) @@ -23,6 +24,7 @@ Example: compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc"; #io-channel-cells = <1>; reg = <0x0 0x8680 0x0 0x34>; + interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>; clocks = <&xtal>, <&clkc CLKID_SAR_ADC>, <&clkc CLKID_SANA>, diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt new file mode 100644 index 0000000..674e133 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt @@ -0,0 +1,20 @@ +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. +- #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 = <&clk_apb>; + #io-channel-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt new file mode 100644 index 0000000..487ea96 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt @@ -0,0 +1,18 @@ +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 + +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/ltc2497.txt b/Documentation/devicetree/bindings/iio/adc/ltc2497.txt new file mode 100644 index 0000000..a237ed9 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ltc2497.txt @@ -0,0 +1,13 @@ +* Linear Technology / Analog Devices LTC2497 ADC + +Required properties: + - compatible: Must be "lltc,ltc2497" + - reg: Must contain the ADC I2C address + - vref-supply: The regulator supply for ADC reference voltage + +Example: + ltc2497: adc@76 { + compatible = "lltc,ltc2497"; + reg = <0x76>; + vref-supply = <<c2497_reg>; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt index 205593f..e0a9b9d 100644 --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -4,6 +4,7 @@ Required properties: - compatible: should be "rockchip,<name>-saradc" or "rockchip,rk3066-tsadc" - "rockchip,saradc": for rk3188, rk3288 - "rockchip,rk3066-tsadc": for rk3036 + - "rockchip,rk3328-saradc", "rockchip,rk3399-saradc": for rk3328 - "rockchip,rk3399-saradc": for rk3399 - reg: physical base address of the controller and length of memory mapped |
