Configure the debounce configuration that makes sense for BeaglePlay usage model.
Signed-off-by: Nishanth Menon nm@ti.com --- Changes since V1: * No change
V1: https://lore.kernel.org/r/20240212155332.541949-5-nm@ti.com
board/beagle/beagleplay/beagleplay.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/board/beagle/beagleplay/beagleplay.c b/board/beagle/beagleplay/beagleplay.c index 2adb2517ef00..fe1c4f920329 100644 --- a/board/beagle/beagleplay/beagleplay.c +++ b/board/beagle/beagleplay/beagleplay.c @@ -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) { crystal_32k_enable(); + debounce_configure(); } #endif