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dt-bindings: iio: stm32-adc: add support for STM32MP1 

Document support for STM32MP1 ADC. It's quite similar to STM32H7 ADC.
Introduce "st,stm32mp1-adc" compatible to handle variants of this
hardware such as vregready flag, interrupts, clock rate.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
hifive-unleashed-5.1
Fabrice Gasnier 2018-05-02 09:44:49 +02:00 committed by Jonathan Cameron
parent 04e7b3d7ea
commit 92a3737607
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
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@ -24,8 +24,11 @@ Required properties:
- compatible: Should be one of:
"st,stm32f4-adc-core"
"st,stm32h7-adc-core"
"st,stm32mp1-adc-core"
- reg: Offset and length of the ADC block register set.
- interrupts: Must contain the interrupt for ADC block.
- interrupts: One or more interrupts for ADC block. Some parts like stm32f4
and stm32h7 share a common ADC interrupt line. stm32mp1 has two separate
interrupt lines, one for each ADC within ADC block.
- clocks: Core can use up to two clocks, depending on part used:
- "adc" clock: for the analog circuitry, common to all ADCs.
It's required on stm32f4.
@ -53,6 +56,7 @@ Required properties:
- compatible: Should be one of:
"st,stm32f4-adc"
"st,stm32h7-adc"
"st,stm32mp1-adc"
- reg: Offset of ADC instance in ADC block (e.g. may be 0x0, 0x100, 0x200).
- clocks: Input clock private to this ADC instance. It's required only on
stm32f4, that has per instance clock input for registers access.