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| author |   Rick Altherr <raltherr@google.com> | 2017-03-28 14:52:58 -0700 |
|---|---|---|
| committer |   Jonathan Cameron <jic23@kernel.org> | 2017-04-01 11:50:18 +0100 |
| commit | fb87ecf19e350d73206c5fbf28a28588f171f15d (patch) | |
| tree | 4d73f8857bf94acfe5e73e159adf39c6c86b446b /Documentation/devicetree/bindings/iio | |
| parent | staging: iio: light: tsl2x7x constify attribute_group structures (diff) | |
| download | linux-dev-fb87ecf19e350d73206c5fbf28a28588f171f15d.tar.xz linux-dev-fb87ecf19e350d73206c5fbf28a28588f171f15d.zip | |
Documentation: dt-bindings: Document bindings for Aspeed ADC
Signed-off-by: Rick Altherr <raltherr@google.com>
Acked-by: Joel Stanley <joel@jms.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/iio')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt | 20 |
1 files changed, 20 insertions, 0 deletions
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>; + }; |