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authorFabrice Gasnier <fabrice.gasnier@st.com>2017-08-03 12:14:14 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2017-08-12 15:05:27 +0300
commit25892d6eac9cb752af95bcd539ed5e1158eba760 (patch)
treebb0eef4fda17456c52eabff44cbd6ae8eeddcf6e /drivers/iio/trigger
parent45fff14bab00eea97e0f60a2a5ba3eca97bd476a (diff)
downloadlinux-25892d6eac9cb752af95bcd539ed5e1158eba760.tar.xz
iio: trigger: stm32-timer: add output compare triggers
Add output compare trigger sources available on some instances. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/trigger')
-rw-r--r--drivers/iio/trigger/stm32-timer-trigger.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index 33890f9ad11b..a9bc5b603b86 100644
--- a/drivers/iio/trigger/stm32-timer-trigger.c
+++ b/drivers/iio/trigger/stm32-timer-trigger.c
@@ -29,12 +29,14 @@ static const void *triggers_table[][MAX_TRIGGERS] = {
{ TIM7_TRGO,},
{ TIM8_TRGO, TIM8_TRGO2, TIM8_CH1, TIM8_CH2, TIM8_CH3, TIM8_CH4,},
{ TIM9_TRGO, TIM9_CH1, TIM9_CH2,},
- { }, /* timer 10 */
- { }, /* timer 11 */
+ { TIM10_OC1,},
+ { TIM11_OC1,},
{ TIM12_TRGO, TIM12_CH1, TIM12_CH2,},
- { }, /* timer 13 */
- { }, /* timer 14 */
+ { TIM13_OC1,},
+ { TIM14_OC1,},
{ TIM15_TRGO,},
+ { TIM16_OC1,},
+ { TIM17_OC1,},
};
/* List the triggers accepted by each timer */
@@ -47,10 +49,10 @@ static const void *valids_table[][MAX_VALIDS] = {
{ }, /* timer 6 */
{ }, /* timer 7 */
{ TIM1_TRGO, TIM2_TRGO, TIM4_TRGO, TIM5_TRGO,},
- { TIM2_TRGO, TIM3_TRGO,},
+ { TIM2_TRGO, TIM3_TRGO, TIM10_OC1, TIM11_OC1,},
{ }, /* timer 10 */
{ }, /* timer 11 */
- { TIM4_TRGO, TIM5_TRGO,},
+ { TIM4_TRGO, TIM5_TRGO, TIM13_OC1, TIM14_OC1,},
};
static const void *stm32h7_valids_table[][MAX_VALIDS] = {
@@ -65,10 +67,12 @@ static const void *stm32h7_valids_table[][MAX_VALIDS] = {
{ }, /* timer 9 */
{ }, /* timer 10 */
{ }, /* timer 11 */
- { TIM4_TRGO, TIM5_TRGO,},
+ { TIM4_TRGO, TIM5_TRGO, TIM13_OC1, TIM14_OC1,},
{ }, /* timer 13 */
{ }, /* timer 14 */
- { TIM1_TRGO, TIM3_TRGO,},
+ { TIM1_TRGO, TIM3_TRGO, TIM16_OC1, TIM17_OC1,},
+ { }, /* timer 16 */
+ { }, /* timer 17 */
};
struct stm32_timer_trigger {
@@ -91,6 +95,11 @@ static bool stm32_timer_is_trgo2_name(const char *name)
return !!strstr(name, "trgo2");
}
+static bool stm32_timer_is_trgo_name(const char *name)
+{
+ return (!!strstr(name, "trgo") && !strstr(name, "trgo2"));
+}
+
static int stm32_timer_start(struct stm32_timer_trigger *priv,
struct iio_trigger *trig,
unsigned int frequency)
@@ -355,6 +364,7 @@ static int stm32_setup_iio_triggers(struct stm32_timer_trigger *priv)
while (cur && *cur) {
struct iio_trigger *trig;
+ bool cur_is_trgo = stm32_timer_is_trgo_name(*cur);
bool cur_is_trgo2 = stm32_timer_is_trgo2_name(*cur);
if (cur_is_trgo2 && !priv->has_trgo2) {
@@ -371,10 +381,9 @@ static int stm32_setup_iio_triggers(struct stm32_timer_trigger *priv)
/*
* sampling frequency and master mode attributes
- * should only be available on trgo trigger which
- * is always the first in the list.
+ * should only be available on trgo/trgo2 triggers
*/
- if (cur == priv->triggers || cur_is_trgo2)
+ if (cur_is_trgo || cur_is_trgo2)
trig->dev.groups = stm32_trigger_attr_groups;
iio_trigger_set_drvdata(trig, priv);