From fb87ecf19e350d73206c5fbf28a28588f171f15d Mon Sep 17 00:00:00 2001 From: Rick Altherr Date: Tue, 28 Mar 2017 14:52:58 -0700 Subject: [PATCH] Documentation: dt-bindings: Document bindings for Aspeed ADC Signed-off-by: Rick Altherr Acked-by: Joel Stanley Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../bindings/iio/adc/aspeed_adc.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt 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 000000000000..674e133b7cd7 --- /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>; + }; -- 2.39.5