From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Altherr Subject: [PATCH v2 1/2] Documentation: dt-bindings: Document bindings for Aspeed AST2400/AST2500 ADC Date: Tue, 21 Mar 2017 13:48:27 -0700 Message-ID: <20170321204828.31303-1-raltherr@google.com> Return-path: Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: openbmc-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hartmut Knaack , Rob Herring , Lars-Peter Clausen , Mark Rutland , Jonathan Cameron , Peter Meerwald-Stadler List-Id: devicetree@vger.kernel.org Signed-off-by: Rick Altherr --- Changes in v2: - Rewritten as an IIO ADC device .../devicetree/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..7748c2c2ad0c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt @@ -0,0 +1,20 @@ +Aspeed AST2400/2500 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>; + }; -- 2.12.1.500.gab5fba24ee-goog