From: Heiko Stübner Date: Wed, 23 Jul 2014 21:24:00 +0000 (+0100) Subject: dt-bindings: document Rockchip saradc X-Git-Tag: firefly_0821_release~176^2~3121^2~437^2~21 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5aa89392fad217fae7df361dc812a27d5177d980;p=firefly-linux-kernel-4.4.55.git dt-bindings: document Rockchip saradc This add the necessary binding documentation for the saradc found in all recent processors from Rockchip. Signed-off-by: Heiko Stuebner Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt new file mode 100644 index 000000000000..5d3ec1df226d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -0,0 +1,24 @@ +Rockchip Successive Approximation Register (SAR) A/D Converter bindings + +Required properties: +- compatible: Should be "rockchip,saradc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. +- clocks: Must contain an entry for each entry in clock-names. +- clock-names: Shall be "saradc" for the converter-clock, and "apb_pclk" for + the peripheral clock. +- vref-supply: The regulator supply ADC reference voltage. +- #io-channel-cells: Should be 1, see ../iio-bindings.txt + +Example: + saradc: saradc@2006c000 { + compatible = "rockchip,saradc"; + reg = <0x2006c000 0x100>; + interrupts = ; + clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>; + clock-names = "saradc", "apb_pclk"; + #io-channel-cells = <1>; + vref-supply = <&vcc18>; + };