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board: beagle: beagleplay: Configure debounce registers

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Configure the debounce configuration that makes sense for BeaglePlay
usage model.

Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Nishanth Menon
2024-02-20 12:39:51 -06:00
committed by Tom Rini
parent 5c550d96eb
commit 1b61f76a87
1 changed files with 24 additions and 0 deletions
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24
board/beagle/beagleplay/beagleplay.c
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@@ -59,8 +59,32 @@ static void crystal_32k_enable(void)
} }
} }
static void debounce_configure(void)
{
/* Configure debounce one time from R5 */
if (IS_ENABLED(CONFIG_CPU_V7R)) {
/*
* Setup debounce time registers.
* arbitrary values. Times are approx
*/
/* 1.9ms debounce @ 32k */
writel(0x1, CTRLMMR_DBOUNCE_CFG(1));
/* 5ms debounce @ 32k */
writel(0x5, CTRLMMR_DBOUNCE_CFG(2));
/* 20ms debounce @ 32k */
writel(0x14, CTRLMMR_DBOUNCE_CFG(3));
/* 46ms debounce @ 32k */
writel(0x18, CTRLMMR_DBOUNCE_CFG(4));
/* 100ms debounce @ 32k */
writel(0x1c, CTRLMMR_DBOUNCE_CFG(5));
/* 156ms debounce @ 32k */
writel(0x1f, CTRLMMR_DBOUNCE_CFG(6));
}
}
void spl_board_init(void) void spl_board_init(void)
{ {
crystal_32k_enable(); crystal_32k_enable();
debounce_configure();
} }
#endif #endif