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counter: stm32-timer-cnt: introduce channels

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Simply add channels 3 and 4 that can be used for capture. Statically
add them, despite some timers doesn't have them. Rather rely on
stm32_action_read that will report "none" action for these currently.

Reviewed-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20240307133306.383045-8-fabrice.gasnier@foss.st.com
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
This commit is contained in:
Fabrice Gasnier 2024-03-07 14:33:03 +01:00 committed by William Breathitt Gray
parent 29646ee33c
commit efec660d78
1 changed files with 20 additions and 0 deletions
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20
drivers/counter/stm32-timer-cnt.c
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@ -25,6 +25,8 @@
#define STM32_CH1_SIG 0
#define STM32_CH2_SIG 1
#define STM32_CLOCK_SIG 2
#define STM32_CH3_SIG 3
#define STM32_CH4_SIG 4
struct stm32_timer_regs {
u32 cr1;
@ -365,6 +367,14 @@ static struct counter_signal stm32_signals[] = {
.ext = stm32_count_clock_ext,
.num_ext = ARRAY_SIZE(stm32_count_clock_ext),
},
{
.id = STM32_CH3_SIG,
.name = "Channel 3"
},
{
.id = STM32_CH4_SIG,
.name = "Channel 4"
},
};
static struct counter_synapse stm32_count_synapses[] = {
@ -383,6 +393,16 @@ static struct counter_synapse stm32_count_synapses[] = {
.num_actions = ARRAY_SIZE(stm32_clock_synapse_actions),
.signal = &stm32_signals[STM32_CLOCK_SIG]
},
{
.actions_list = stm32_synapse_actions,
.num_actions = ARRAY_SIZE(stm32_synapse_actions),
.signal = &stm32_signals[STM32_CH3_SIG]
},
{
.actions_list = stm32_synapse_actions,
.num_actions = ARRAY_SIZE(stm32_synapse_actions),
.signal = &stm32_signals[STM32_CH4_SIG]
},
};
static struct counter_count stm32_counts = {