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rtc: rockchip: config D2A_XO_START for rv1106

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Increase the anti-jamming ability of crystal vibration start-up.

Change-Id: I9cfeab7d2338cd2a38e6e86b78f6967c2d0bbdd1
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Elaine Zhang
2024-08-01 14:54:53 +08:00
committed by Tao Huang
parent e57a5a2bb8
commit b21b8b8e93
1 changed files with 9 additions and 0 deletions
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9
drivers/rtc/rtc-rockchip.c
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@@ -120,6 +120,9 @@
#define RV1106_RTC_D2A_XO_EN BIT(0)
#define RV1106_RTC_D2A_CLK_OUT_EN BIT(5)
/* RV1106_RTC_XO_TRIM bitfields */
#define RV1106_RTC_D2A_XO_START 0x7
/* RV1106_RTC_VPTAT_TRIM bitfields */
#define RV1106_CLK_32K_ENABLE BIT(5)
#define RV1106_D2A_POR_REG_SEL1 BIT(4)
@@ -523,6 +526,12 @@ static int rv1106_rtc_init(struct regmap *regmap)
RV1106_RTC_D2A_CLK_OUT_EN);
if (ret)
return ret;
ret = rockchip_rtc_update_bits(regmap, RV1106_RTC_XO_TRIM0,
RV1106_RTC_D2A_XO_START,
RV1106_RTC_D2A_XO_START);
if (ret)
return ret;
return ret;
}