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Documentation: DT: Add iproc-static-adc binding

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The patch adds devicetree binding document for broadcom's
iproc-static-adc controller driver.

Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Raveendra Padasalagi 2016-06-28 13:10:34 +05:30 committed by Jonathan Cameron
parent b33b7d5ac3
commit d3c4d0ab3b
1 changed files with 41 additions and 0 deletions
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Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt Normal file
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* Broadcom's IPROC Static ADC controller
Broadcom iProc ADC controller has 8 channels 10bit ADC.
Allows user to convert analog input voltage values to digital.
Required properties:
- compatible: Must be "brcm,iproc-static-adc"
- adc-syscon: Handler of syscon node defining physical base address of the
controller and length of memory mapped region.
- #io-channel-cells = <1>; As ADC has multiple outputs
refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
- io-channel-ranges:
refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
- clocks: Clock used for this block.
- clock-names: Clock name should be given as tsc_clk.
- interrupts: interrupt line number.
For example:
ts_adc_syscon: ts_adc_syscon@180a6000 {
compatible = "brcm,iproc-ts-adc-syscon","syscon";
reg = <0x180a6000 0xc30>;
};
adc: adc@180a6000 {
compatible = "brcm,iproc-static-adc";
adc-syscon = <&ts_adc_syscon>;
#io-channel-cells = <1>;
io-channel-ranges;
clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
clock-names = "tsc_clk";
interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};