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iio: stm32 trigger: Add support for TRGO2 triggers

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Add support for TRGO2 trigger that can be found on STM32F7.
Add additional master modes supported by TRGO2.
Register additional "tim[1/8]_trgo2" triggers for timer1 & timer8.
Detect TRGO2 timer capability (master mode selection 2).

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Fabrice Gasnier 2017-05-02 14:33:45 +02:00 • committed by Jonathan Cameron
parent f80ac400ee
commit 6fb34812c2
4 changed files with 151 additions and 14 deletions
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2
include/linux/iio/timer/stm32-timer-trigger.h
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@ -10,6 +10,7 @@
#define _STM32_TIMER_TRIGGER_H_
#define TIM1_TRGO "tim1_trgo"
#define TIM1_TRGO2 "tim1_trgo2"
#define TIM1_CH1 "tim1_ch1"
#define TIM1_CH2 "tim1_ch2"
#define TIM1_CH3 "tim1_ch3"
@ -44,6 +45,7 @@
#define TIM7_TRGO "tim7_trgo"
#define TIM8_TRGO "tim8_trgo"
#define TIM8_TRGO2 "tim8_trgo2"
#define TIM8_CH1 "tim8_ch1"
#define TIM8_CH2 "tim8_ch2"
#define TIM8_CH3 "tim8_ch3"