From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko =?ISO-8859-1?Q?St=FCbner?=) Date: Wed, 23 Jul 2014 23:24:37 +0200 Subject: [PATCH v6 2/2] dt-bindings: document Rockchip saradc In-Reply-To: <1984475.34C1XMW1q3@diego> References: <1984475.34C1XMW1q3@diego> Message-ID: <8132020.MqcOnlblHg@diego> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This add the necessary binding documentation for the saradc found in all recent processors from Rockchip. Signed-off-by: Heiko Stuebner --- changes since v5: - remove clock-frquency property as described in patch 1/2 .../bindings/iio/adc/rockchip-saradc.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt 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 0000000..5d3ec1d --- /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 at 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>; + }; -- 1.9.0