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| author |  Fabrice Gasnier <fabrice.gasnier@foss.st.com>
| 2024-03-07 14:33:03 +0100 |
|---|---|---|
| committer |  William Breathitt Gray <wbg@kernel.org>
| 2024-04-02 13:10:34 -0400 |
| commit | efec660d78f06cd1101b3300ebfef4918cc0f63f (patch) | |
| tree | 0087c504b98edc0030b30a63789a5f731a051ea5 /drivers/counter | |
| parent | counter: stm32-timer-cnt: add checks on quadrature encoder capability (diff) | |
| download | linux-efec660d78f06cd1101b3300ebfef4918cc0f63f.tar.gz linux-efec660d78f06cd1101b3300ebfef4918cc0f63f.tar.bz2 linux-efec660d78f06cd1101b3300ebfef4918cc0f63f.zip | |
counter: stm32-timer-cnt: introduce channels
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>
Diffstat (limited to 'drivers/counter')
| -rw-r--r-- | drivers/counter/stm32-timer-cnt.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c index 17f87ace450d..f63d0c3e3f22 100644 --- a/drivers/counter/stm32-timer-cnt.c +++ b/drivers/counter/stm32-timer-cnt.c @@ -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 = { |