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mfd: rn5t618: Do not cache various USB related registers

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These register get reset to their OTP defaults after USB plugging.
And while at it, also add a missing register for detecting the
charger type.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Andreas Kemnade 2021-03-14 12:02:36 +01:00 committed by Lee Jones
parent c0d46b89dd
commit 4502647e60
2 changed files with 4 additions and 0 deletions
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3
drivers/mfd/rn5t618.c
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@ -45,8 +45,11 @@ static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
case RN5T618_INTMON:
case RN5T618_RTC_CTRL1 ... RN5T618_RTC_CTRL2:
case RN5T618_RTC_SECONDS ... RN5T618_RTC_YEAR:
case RN5T618_CHGCTL1:
case RN5T618_REGISET1 ... RN5T618_REGISET2:
case RN5T618_CHGSTATE:
case RN5T618_CHGCTRL_IRR ... RN5T618_CHGERR_MONI:
case RN5T618_GCHGDET:
case RN5T618_CONTROL ... RN5T618_CC_AVEREG0:
return true;
default:

1
include/linux/mfd/rn5t618.h
View File

@ -188,6 +188,7 @@
#define RN5T618_CHGOSCSCORESET3 0xd7
#define RN5T618_CHGOSCFREQSET1 0xd8
#define RN5T618_CHGOSCFREQSET2 0xd9
#define RN5T618_GCHGDET 0xda
#define RN5T618_CONTROL 0xe0
#define RN5T618_SOC 0xe1
#define RN5T618_RE_CAP_H 0xe2