From: Fabrice Gasnier <fabrice.gasnier@st.com>
To: <jic23@kernel.org>, <linux@armlinux.org.uk>, <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <linux-iio@vger.kernel.org>, <mark.rutland@arm.com>,
<mcoquelin.stm32@gmail.com>, <alexandre.torgue@st.com>,
<lars@metafoo.de>, <knaack.h@gmx.de>, <pmeerw@pmeerw.net>,
<fabrice.gasnier@st.com>, <benjamin.gaignard@linaro.org>,
<benjamin.gaignard@st.com>
Subject: [PATCH v2 5/5] iio: adc: stm32: add exti gpio trigger source
Date: Mon, 30 Jan 2017 15:34:00 +0100 [thread overview]
Message-ID: <1485786840-4557-6-git-send-email-fabrice.gasnier@st.com> (raw)
In-Reply-To: <1485786840-4557-1-git-send-email-fabrice.gasnier@st.com>
STM32F4 ADC can use exti11 (gpio) signal as trigger source for
conversions.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
---
drivers/iio/adc/stm32-adc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index be0e457..0118c9c 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -26,6 +26,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include <linux/iio/timer/stm32-timer-trigger.h>
+#include <linux/iio/trigger/stm32-exti-trigger.h>
#include <linux/iio/trigger.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
@@ -240,6 +241,7 @@ struct stm32_adc_chan_spec {
{ TIM5_CH3, STM32_EXT12 },
{ TIM8_CH1, STM32_EXT13 },
{ TIM8_TRGO, STM32_EXT14 },
+ { STM32_EXTI(11), STM32_EXT15 },
{}, /* sentinel */
};
@@ -409,6 +411,11 @@ static int stm32_adc_get_trig_extsel(struct iio_trigger *trig)
!strcmp(stm32f4_adc_trigs[i].name, trig->name)) {
return stm32f4_adc_trigs[i].extsel;
}
+
+ if (is_stm32_exti_trigger(trig) &&
+ !strcmp(stm32f4_adc_trigs[i].name, trig->name)) {
+ return stm32f4_adc_trigs[i].extsel;
+ }
}
return -EINVAL;
--
1.9.1
prev parent reply other threads:[~2017-01-30 15:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-30 14:33 [PATCH v2 0/5] Add EXTI GPIO trigger support to STM32 ADC Fabrice Gasnier
2017-01-30 14:33 ` [PATCH v2 1/5] Documentation: dt: iio: document stm32 adc trigger polarity Fabrice Gasnier
2017-02-05 9:56 ` Jonathan Cameron
2017-01-30 14:33 ` [PATCH v2 2/5] iio: adc: stm32: add dt option to set default " Fabrice Gasnier
2017-01-30 14:33 ` [PATCH v2 3/5] Documentation: dt: iio: document stm32 exti trigger Fabrice Gasnier
2017-01-30 14:33 ` [PATCH v2 4/5] iio: trigger: add support for STM32 EXTI triggers Fabrice Gasnier
2017-02-03 19:40 ` Linus Walleij
2017-02-04 11:39 ` Jonathan Cameron
2017-02-04 20:03 ` Linus Walleij
2017-02-05 10:00 ` Jonathan Cameron
2017-02-06 16:01 ` Fabrice Gasnier
2017-02-11 10:29 ` Jonathan Cameron
2017-02-17 16:05 ` Fabrice Gasnier
2017-02-19 12:49 ` Jonathan Cameron
2017-01-30 14:34 ` Fabrice Gasnier [this message]
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