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counter: microchip-tcb-capture: Add capture extensions for registers RA/RB

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TCB hardware is capable of capturing the timer value to registers RA and
RB. Add these registers as capture extensions.

Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20250306134441.582819-3-csokas.bence@prolan.hu
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
This commit is contained in:
Bence Csókás
2025-03-06 14:44:37 +01:00
committed by William Breathitt Gray
parent e5d5813968
commit 1adc6240a8
2 changed files with 64 additions and 0 deletions
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6
include/uapi/linux/counter/microchip-tcb-capture.h
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@@ -12,6 +12,8 @@
* Count 0
* \__ Synapse 0 -- Signal 0 (Channel A, i.e. TIOA)
* \__ Synapse 1 -- Signal 1 (Channel B, i.e. TIOB)
* \__ Extension capture0 (RA register)
* \__ Extension capture1 (RB register)
*
* It also supports the following events:
*
@@ -25,6 +27,10 @@
* - RC compare triggered
*/
/* Capture extensions */
#define COUNTER_MCHP_EXCAP_RA 0
#define COUNTER_MCHP_EXCAP_RB 1
/* Event channels */
#define COUNTER_MCHP_EVCHN_CV 0
#define COUNTER_MCHP_EVCHN_RA 0