[PATCH v3 05/14] rtc: pcf2127: adapt for CLKOUT register at any offset

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From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>

This will simplify the implementation of new variants into this driver.

Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
---
 drivers/rtc/rtc-pcf2127.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 5d8c06e32dce..38816ad065eb 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -116,6 +116,7 @@ struct pcf21xx_config {
 	u8 regs_alarm_base; /* Alarm function base registers. */
 	u8 reg_wd_ctl; /* Watchdog control register. */
 	u8 reg_wd_val; /* Watchdog value register. */
+	u8 reg_clkout; /* Clkout register. */
 };
 
 struct pcf2127 {
@@ -668,6 +669,7 @@ static struct pcf21xx_config pcf21xx_cfg[] = {
 		.regs_alarm_base = PCF2127_REG_ALARM_BASE,
 		.reg_wd_ctl = PCF2127_REG_WD_CTL,
 		.reg_wd_val = PCF2127_REG_WD_VAL,
+		.reg_clkout = PCF2127_REG_CLKOUT,
 	},
 	[PCF2129] = {
 		.max_register = 0x19,
@@ -677,6 +679,7 @@ static struct pcf21xx_config pcf21xx_cfg[] = {
 		.regs_alarm_base = PCF2127_REG_ALARM_BASE,
 		.reg_wd_ctl = PCF2127_REG_WD_CTL,
 		.reg_wd_val = PCF2127_REG_WD_VAL,
+		.reg_clkout = PCF2127_REG_CLKOUT,
 	},
 };
 
@@ -756,12 +759,12 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
 	regmap_clear_bits(pcf2127->regmap, PCF2127_REG_CTRL1,
 				PCF2127_BIT_CTRL1_POR_OVRD);
 
-	ret = regmap_read(pcf2127->regmap, PCF2127_REG_CLKOUT, &val);
+	ret = regmap_read(pcf2127->regmap, pcf2127->cfg->reg_clkout, &val);
 	if (ret < 0)
 		return ret;
 
 	if (!(val & PCF2127_BIT_CLKOUT_OTPR)) {
-		ret = regmap_set_bits(pcf2127->regmap, PCF2127_REG_CLKOUT,
+		ret = regmap_set_bits(pcf2127->regmap, pcf2127->cfg->reg_clkout,
 				      PCF2127_BIT_CLKOUT_OTPR);
 		if (ret < 0)
 			return ret;
-- 
2.30.2




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