From 4502647e60cb4afd74f74d648bc2990954c1b73a Mon Sep 17 00:00:00 2001 From: Andreas Kemnade Date: Sun, 14 Mar 2021 12:02:36 +0100 Subject: [PATCH] mfd: rn5t618: Do not cache various USB related registers 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 Signed-off-by: Lee Jones --- drivers/mfd/rn5t618.c | 3 +++ include/linux/mfd/rn5t618.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index dc452df1f1bf..6ed04e6dbc78 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -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: diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h index fba0df13d9a8..8aa0bda1af4f 100644 --- a/include/linux/mfd/rn5t618.h +++ b/include/linux/mfd/rn5t618.h @@ -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