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rtc: rockchip: fix the rtc status error

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Signed-off-by: shengfei Xu <xsf@rock-chips.com>
Change-Id: I26837e185488db88d42ba413653cb456d713fce2
This commit is contained in:
shengfei Xu
2022-06-03 06:27:15 +00:00
committed by Tao Huang
parent f2f7eb7445
commit c8d77f93a6
1 changed files with 13 additions and 2 deletions
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15
drivers/rtc/rtc-rockchip.c
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@@ -86,6 +86,9 @@
#define RTC_VREF_INIT 0x40
#define D2A_POR_REG_SEL1 BIT(4)
#define D2A_POR_REG_SEL0 BIT(1)
#define NUM_TIME_REGS 8
#define NUM_ALARM_REGS 7
@@ -692,10 +695,18 @@ static int rockchip_rtc_probe(struct platform_device *pdev)
return dev_err_probe(dev, ret,
"Failed to add clk disable action.");
ret = rockchip_rtc_write(rtc->regmap, RTC_ANALOG_TEST, RTC_VREF_INIT);
ret = rockchip_rtc_update_bits(rtc->regmap, RTC_VPTAT_TRIM,
D2A_POR_REG_SEL1,
D2A_POR_REG_SEL1);
if (ret)
return dev_err_probe(&pdev->dev, ret,
"Failed to write RTC_ANALOG_TEST\n");
"Failed to write RTC_VPTAT_TRIM\n");
ret = rockchip_rtc_update_bits(rtc->regmap, RTC_ANALOG_EN,
D2A_POR_REG_SEL0,
0x00);
if (ret)
return dev_err_probe(&pdev->dev, ret,
"Failed to write RTC_ANALOG_EN\n");
ret = rockchip_rtc_update_bits(rtc->regmap, RTC_LDO_CTRL,
RTC_D2A_XO_EN,