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>

diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index 33890f9..a9bc5b6 100644 (file)
--- 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);

diff --git a/include/linux/iio/timer/stm32-timer-trigger.h b/include/linux/iio/timer/stm32-timer-trigger.h
index 20f4653..d68add8 100644 (file)
--- a/include/linux/iio/timer/stm32-timer-trigger.h
+++ b/include/linux/iio/timer/stm32-timer-trigger.h
@@ -55,12 +55,24 @@
 #define TIM9_CH1       "tim9_ch1"
 #define TIM9_CH2       "tim9_ch2"
 
+#define TIM10_OC1      "tim10_oc1"
+
+#define TIM11_OC1      "tim11_oc1"
+
 #define TIM12_TRGO     "tim12_trgo"
 #define TIM12_CH1      "tim12_ch1"
 #define TIM12_CH2      "tim12_ch2"
 
+#define TIM13_OC1      "tim13_oc1"
+
+#define TIM14_OC1      "tim14_oc1"
+
 #define TIM15_TRGO     "tim15_trgo"
 
+#define TIM16_OC1      "tim16_oc1"
+
+#define TIM17_OC1      "tim17_oc1"
+
 bool is_stm32_timer_trigger(struct iio_trigger *trig);
 
 #endif