rtc: rk808: rename rtc-rk808.c to rtc-rk8xx.c
diff mbox

Message ID 1451561857-3750-1-git-send-email-zhangqing
State New
Headers show

Commit Message

zhangqing@263.net Dec. 31, 2015, 11:37 a.m. UTC
From: zhangqing <zhangqing@rock-chips.com>

make rtc-rk8xx.c compatible for all pmic chips.
for pmic chips(rk808\rk807\rk816\rk818) in the future.

Signed-off-by: zhangqing <zhangqing@rock-chips.com>
---
 drivers/mfd/rk808.c                      |   2 +-
 drivers/rtc/Kconfig                      |   8 +-
 drivers/rtc/Makefile                     |   2 +-
 drivers/rtc/{rtc-rk808.c => rtc-rk8xx.c} | 218 ++++++++++++++++++-------------
 4 files changed, 131 insertions(+), 99 deletions(-)
 rename drivers/rtc/{rtc-rk808.c => rtc-rk8xx.c} (64%)

Patch
diff mbox

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 4b1e439..21da22b 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -77,7 +77,7 @@  static const struct mfd_cell rk808s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
 	{
-		.name = "rk808-rtc",
+		.name = "rk8xx-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = &rtc_resources[0],
 	},
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 376322f..d669473d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -325,15 +325,15 @@  config RTC_DRV_MAX77686
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-max77686.
 
-config RTC_DRV_RK808
-	tristate "Rockchip RK808 RTC"
+config RTC_DRV_RK8XX
+	tristate "Rockchip RK8XX RTC"
 	depends on MFD_RK808
 	help
 	  If you say yes here you will get support for the
-	  RTC of RK808 PMIC.
+	  RTC of RK8XX PMIC.
 
 	  This driver can also be built as a module. If so, the module
-	  will be called rk808-rtc.
+	  will be called rk8xx-rtc.
 
 config RTC_DRV_MAX77802
 	tristate "Maxim 77802 RTC"
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 62d61b2..5b1384a 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -120,7 +120,7 @@  obj-$(CONFIG_RTC_DRV_PUV3)	+= rtc-puv3.o
 obj-$(CONFIG_RTC_DRV_PXA)	+= rtc-pxa.o
 obj-$(CONFIG_RTC_DRV_R9701)	+= rtc-r9701.o
 obj-$(CONFIG_RTC_DRV_RC5T583)	+= rtc-rc5t583.o
-obj-$(CONFIG_RTC_DRV_RK808)	+= rtc-rk808.o
+obj-$(CONFIG_RTC_DRV_RK8XX)	+= rtc-rk8xx.o
 obj-$(CONFIG_RTC_DRV_RP5C01)	+= rtc-rp5c01.o
 obj-$(CONFIG_RTC_DRV_RS5C313)	+= rtc-rs5c313.o
 obj-$(CONFIG_RTC_DRV_RS5C348)	+= rtc-rs5c348.o
diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk8xx.c
similarity index 64%
rename from drivers/rtc/rtc-rk808.c
rename to drivers/rtc/rtc-rk8xx.c
index 35c9aad..5d946bf 100644
--- a/drivers/rtc/rtc-rk808.c
+++ b/drivers/rtc/rtc-rk8xx.c
@@ -1,5 +1,5 @@ 
 /*
- * RTC driver for Rockchip RK808
+ * RTC driver for Rockchip RK8XX
  *
  * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
  *
@@ -20,14 +20,33 @@ 
 #include <linux/kernel.h>
 #include <linux/rtc.h>
 #include <linux/bcd.h>
-#include <linux/mfd/rk808.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#define RK8XX_SECONDS_REG			0x00
+#define RK8XX_MINUTES_REG			0x01
+#define RK8XX_HOURS_REG				0x02
+#define RK8XX_DAYS_REG				0x03
+#define RK8XX_MONTHS_REG			0x04
+#define RK8XX_YEARS_REG				0x05
+#define RK8XX_WEEKS_REG				0x06
+#define RK8XX_ALARM_SECONDS_REG			0x08
+#define RK8XX_ALARM_MINUTES_REG			0x09
+#define RK8XX_ALARM_HOURS_REG			0x0A
+#define RK8XX_ALARM_DAYS_REG			0x0B
+#define RK8XX_ALARM_MONTHS_REG			0x0C
+#define RK8XX_ALARM_YEARS_REG			0x0D
+#define RK8XX_RTC_CTRL_REG			0x10
+#define RK8XX_RTC_STATUS_REG			0x11
+#define RK8XX_RTC_INT_REG			0x12
+#define RK8XX_RTC_COMP_LSB_REG			0x13
+#define RK8XX_RTC_COMP_MSB_REG			0x14
 
 /* RTC_CTRL_REG bitfields */
 #define BIT_RTC_CTRL_REG_STOP_RTC_M		BIT(0)
 
-/* RK808 has a shadowed register for saving a "frozen" RTC time.
+/* RK8xx has a shadowed register for saving a "frozen" RTC time.
  * When user setting "GET_TIME" to 1, the time will save in this shadowed
  * register. If set "READSEL" to 1, user read rtc time register, actually
  * get the time of that moment. If we need the real time, clr this bit.
@@ -47,17 +66,25 @@ 
 
 /* REG_SECONDS_REG through REG_YEARS_REG is how many registers? */
 
-#define NUM_TIME_REGS	(RK808_WEEKS_REG - RK808_SECONDS_REG + 1)
-#define NUM_ALARM_REGS	(RK808_ALARM_YEARS_REG - RK808_ALARM_SECONDS_REG + 1)
+#define NUM_TIME_REGS	(RK8XX_WEEKS_REG - RK8XX_SECONDS_REG + 1)
+#define NUM_ALARM_REGS	(RK8XX_ALARM_YEARS_REG - RK8XX_ALARM_SECONDS_REG + 1)
 
-struct rk808_rtc {
-	struct rk808 *rk808;
+static const struct regmap_config rk8xx_rtc_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = RK8XX_RTC_COMP_MSB_REG,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+struct rk8xx_rtc {
 	struct rtc_device *rtc;
+	struct i2c_client *i2c;
+	struct regmap *regmap;
 	int irq;
 };
 
 /*
- * The Rockchip calendar used by the RK808 counts November with 31 days. We use
+ * The Rockchip calendar used by the RK8xx counts November with 31 days. We use
  * these translation functions to convert its dates to/from the Gregorian
  * calendar used by the rest of the world. We arbitrarily define Jan 1st, 2016
  * as the day when both calendars were in sync, and treat all other dates
@@ -74,6 +101,7 @@  static void rockchip_to_gregorian(struct rtc_time *tm)
 {
 	/* If it's Nov 31st, rtc_tm_to_time64() will count that like Dec 1st */
 	time64_t time = rtc_tm_to_time64(tm);
+
 	rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm);
 }
 
@@ -81,6 +109,7 @@  static void gregorian_to_rockchip(struct rtc_time *tm)
 {
 	time64_t extra_days = nov2dec_transitions(tm);
 	time64_t time = rtc_tm_to_time64(tm);
+
 	rtc_time64_to_tm(time - extra_days * 86400, tm);
 
 	/* Compensate if we went back over Nov 31st (will work up to 2381) */
@@ -93,15 +122,14 @@  static void gregorian_to_rockchip(struct rtc_time *tm)
 }
 
 /* Read current time and date in RTC */
-static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
+static int rk8xx_rtc_readtime(struct device *dev, struct rtc_time *tm)
 {
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(dev);
-	struct rk808 *rk808 = rk808_rtc->rk808;
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(dev);
 	u8 rtc_data[NUM_TIME_REGS];
 	int ret;
 
 	/* Force an update of the shadowed registers right now */
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_CTRL_REG,
 				 BIT_RTC_CTRL_REG_RTC_GET_TIME,
 				 BIT_RTC_CTRL_REG_RTC_GET_TIME);
 	if (ret) {
@@ -115,7 +143,7 @@  static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
 	 * 32khz. If we clear the GET_TIME bit here, the time of i2c transfer
 	 * certainly more than 31.25us: 16 * 2.5us at 400kHz bus frequency.
 	 */
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_CTRL_REG,
 				 BIT_RTC_CTRL_REG_RTC_GET_TIME,
 				 0);
 	if (ret) {
@@ -123,7 +151,7 @@  static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
 		return ret;
 	}
 
-	ret = regmap_bulk_read(rk808->regmap, RK808_SECONDS_REG,
+	ret = regmap_bulk_read(rk8xx_rtc->regmap, RK8XX_SECONDS_REG,
 			       rtc_data, NUM_TIME_REGS);
 	if (ret) {
 		dev_err(dev, "Failed to bulk read rtc_data: %d\n", ret);
@@ -146,10 +174,9 @@  static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
 }
 
 /* Set current time and date in RTC */
-static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
+static int rk8xx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(dev);
-	struct rk808 *rk808 = rk808_rtc->rk808;
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(dev);
 	u8 rtc_data[NUM_TIME_REGS];
 	int ret;
 
@@ -166,7 +193,7 @@  static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	rtc_data[6] = bin2bcd(tm->tm_wday);
 
 	/* Stop RTC while updating the RTC registers */
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_CTRL_REG,
 				 BIT_RTC_CTRL_REG_STOP_RTC_M,
 				 BIT_RTC_CTRL_REG_STOP_RTC_M);
 	if (ret) {
@@ -174,14 +201,14 @@  static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		return ret;
 	}
 
-	ret = regmap_bulk_write(rk808->regmap, RK808_SECONDS_REG,
+	ret = regmap_bulk_write(rk8xx_rtc->regmap, RK8XX_SECONDS_REG,
 				rtc_data, NUM_TIME_REGS);
 	if (ret) {
 		dev_err(dev, "Failed to bull write rtc_data: %d\n", ret);
 		return ret;
 	}
 	/* Start RTC again */
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_CTRL_REG,
 				 BIT_RTC_CTRL_REG_STOP_RTC_M, 0);
 	if (ret) {
 		dev_err(dev, "Failed to update RTC control: %d\n", ret);
@@ -191,15 +218,15 @@  static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
 }
 
 /* Read alarm time and date in RTC */
-static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
+static int rk8xx_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(dev);
-	struct rk808 *rk808 = rk808_rtc->rk808;
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(dev);
 	u8 alrm_data[NUM_ALARM_REGS];
 	uint32_t int_reg;
 	int ret;
 
-	ret = regmap_bulk_read(rk808->regmap, RK808_ALARM_SECONDS_REG,
+	ret = regmap_bulk_read(rk8xx_rtc->regmap,
+			       RK8XX_ALARM_SECONDS_REG,
 			       alrm_data, NUM_ALARM_REGS);
 
 	alrm->time.tm_sec = bcd2bin(alrm_data[0] & SECONDS_REG_MSK);
@@ -210,7 +237,8 @@  static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	alrm->time.tm_year = (bcd2bin(alrm_data[5] & YEARS_REG_MSK)) + 100;
 	rockchip_to_gregorian(&alrm->time);
 
-	ret = regmap_read(rk808->regmap, RK808_RTC_INT_REG, &int_reg);
+	ret = regmap_read(rk8xx_rtc->regmap,
+			  RK8XX_RTC_INT_REG, &int_reg);
 	if (ret) {
 		dev_err(dev, "Failed to read RTC INT REG: %d\n", ret);
 		return ret;
@@ -226,37 +254,34 @@  static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	return 0;
 }
 
-static int rk808_rtc_stop_alarm(struct rk808_rtc *rk808_rtc)
+static int rk8xx_rtc_stop_alarm(struct rk8xx_rtc *rk8xx_rtc)
 {
-	struct rk808 *rk808 = rk808_rtc->rk808;
 	int ret;
 
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_INT_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_INT_REG,
 				 BIT_RTC_INTERRUPTS_REG_IT_ALARM_M, 0);
 
 	return ret;
 }
 
-static int rk808_rtc_start_alarm(struct rk808_rtc *rk808_rtc)
+static int rk8xx_rtc_start_alarm(struct rk8xx_rtc *rk8xx_rtc)
 {
-	struct rk808 *rk808 = rk808_rtc->rk808;
 	int ret;
 
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_INT_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_INT_REG,
 				 BIT_RTC_INTERRUPTS_REG_IT_ALARM_M,
 				 BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
 
 	return ret;
 }
 
-static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
+static int rk8xx_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(dev);
-	struct rk808 *rk808 = rk808_rtc->rk808;
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(dev);
 	u8 alrm_data[NUM_ALARM_REGS];
 	int ret;
 
-	ret = rk808_rtc_stop_alarm(rk808_rtc);
+	ret = rk8xx_rtc_stop_alarm(rk8xx_rtc);
 	if (ret) {
 		dev_err(dev, "Failed to stop alarm: %d\n", ret);
 		return ret;
@@ -274,14 +299,15 @@  static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	alrm_data[4] = bin2bcd(alrm->time.tm_mon + 1);
 	alrm_data[5] = bin2bcd(alrm->time.tm_year - 100);
 
-	ret = regmap_bulk_write(rk808->regmap, RK808_ALARM_SECONDS_REG,
+	ret = regmap_bulk_write(rk8xx_rtc->regmap,
+				RK8XX_ALARM_SECONDS_REG,
 				alrm_data, NUM_ALARM_REGS);
 	if (ret) {
 		dev_err(dev, "Failed to bulk write: %d\n", ret);
 		return ret;
 	}
 	if (alrm->enabled) {
-		ret = rk808_rtc_start_alarm(rk808_rtc);
+		ret = rk8xx_rtc_start_alarm(rk8xx_rtc);
 		if (ret) {
 			dev_err(dev, "Failed to start alarm: %d\n", ret);
 			return ret;
@@ -290,15 +316,15 @@  static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	return 0;
 }
 
-static int rk808_rtc_alarm_irq_enable(struct device *dev,
+static int rk8xx_rtc_alarm_irq_enable(struct device *dev,
 				      unsigned int enabled)
 {
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(dev);
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(dev);
 
 	if (enabled)
-		return rk808_rtc_start_alarm(rk808_rtc);
+		return rk8xx_rtc_start_alarm(rk8xx_rtc);
 
-	return rk808_rtc_stop_alarm(rk808_rtc);
+	return rk8xx_rtc_stop_alarm(rk8xx_rtc);
 }
 
 /*
@@ -311,14 +337,13 @@  static int rk808_rtc_alarm_irq_enable(struct device *dev,
  * bit 2: every hour
  * bit 3: every day
  */
-static irqreturn_t rk808_alarm_irq(int irq, void *data)
+static irqreturn_t rk8xx_alarm_irq(int irq, void *data)
 {
-	struct rk808_rtc *rk808_rtc = data;
-	struct rk808 *rk808 = rk808_rtc->rk808;
-	struct i2c_client *client = rk808->i2c;
+	struct rk8xx_rtc *rk8xx_rtc = data;
+	struct i2c_client *client = rk8xx_rtc->i2c;
 	int ret;
 
-	ret = regmap_write(rk808->regmap, RK808_RTC_STATUS_REG,
+	ret = regmap_write(rk8xx_rtc->regmap, RK8XX_RTC_STATUS_REG,
 			   RTC_STATUS_MASK);
 	if (ret) {
 		dev_err(&client->dev,
@@ -326,29 +351,29 @@  static irqreturn_t rk808_alarm_irq(int irq, void *data)
 		return ret;
 	}
 
-	rtc_update_irq(rk808_rtc->rtc, 1, RTC_IRQF | RTC_AF);
+	rtc_update_irq(rk8xx_rtc->rtc, 1, RTC_IRQF | RTC_AF);
 	dev_dbg(&client->dev,
-		 "%s:irq=%d\n", __func__, irq);
+		"%s:irq=%d\n", __func__, irq);
 	return IRQ_HANDLED;
 }
 
-static const struct rtc_class_ops rk808_rtc_ops = {
-	.read_time = rk808_rtc_readtime,
-	.set_time = rk808_rtc_set_time,
-	.read_alarm = rk808_rtc_readalarm,
-	.set_alarm = rk808_rtc_setalarm,
-	.alarm_irq_enable = rk808_rtc_alarm_irq_enable,
+static const struct rtc_class_ops rk8xx_rtc_ops = {
+	.read_time = rk8xx_rtc_readtime,
+	.set_time = rk8xx_rtc_set_time,
+	.read_alarm = rk8xx_rtc_readalarm,
+	.set_alarm = rk8xx_rtc_setalarm,
+	.alarm_irq_enable = rk8xx_rtc_alarm_irq_enable,
 };
 
 #ifdef CONFIG_PM_SLEEP
 /* Turn off the alarm if it should not be a wake source. */
-static int rk808_rtc_suspend(struct device *dev)
+static int rk8xx_rtc_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(&pdev->dev);
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(&pdev->dev);
 
 	if (device_may_wakeup(dev))
-		enable_irq_wake(rk808_rtc->irq);
+		enable_irq_wake(rk8xx_rtc->irq);
 
 	return 0;
 }
@@ -356,37 +381,44 @@  static int rk808_rtc_suspend(struct device *dev)
 /* Enable the alarm if it should be enabled (in case it was disabled to
  * prevent use as a wake source).
  */
-static int rk808_rtc_resume(struct device *dev)
+static int rk8xx_rtc_resume(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-	struct rk808_rtc *rk808_rtc = dev_get_drvdata(&pdev->dev);
+	struct rk8xx_rtc *rk8xx_rtc = dev_get_drvdata(&pdev->dev);
 
 	if (device_may_wakeup(dev))
-		disable_irq_wake(rk808_rtc->irq);
+		disable_irq_wake(rk8xx_rtc->irq);
 
 	return 0;
 }
 #endif
 
-static SIMPLE_DEV_PM_OPS(rk808_rtc_pm_ops,
-	rk808_rtc_suspend, rk808_rtc_resume);
+static SIMPLE_DEV_PM_OPS(rk8xx_rtc_pm_ops,
+	rk8xx_rtc_suspend, rk8xx_rtc_resume);
 
-static int rk808_rtc_probe(struct platform_device *pdev)
+static int rk8xx_rtc_probe(struct platform_device *pdev)
 {
-	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
-	struct rk808_rtc *rk808_rtc;
+	struct i2c_client *client = to_i2c_client(pdev->dev.parent);
+	struct rk8xx_rtc *rk8xx_rtc;
 	struct rtc_time tm;
 	int ret;
 
-	rk808_rtc = devm_kzalloc(&pdev->dev, sizeof(*rk808_rtc), GFP_KERNEL);
-	if (rk808_rtc == NULL)
+	rk8xx_rtc = devm_kzalloc(&pdev->dev, sizeof(*rk8xx_rtc), GFP_KERNEL);
+	if (rk8xx_rtc == NULL)
 		return -ENOMEM;
 
-	platform_set_drvdata(pdev, rk808_rtc);
-	rk808_rtc->rk808 = rk808;
+	rk8xx_rtc->regmap = devm_regmap_init_i2c(client,
+					     &rk8xx_rtc_regmap_config);
+	if (IS_ERR(rk8xx_rtc->regmap)) {
+		dev_err(&pdev->dev, "regmap initialization failed\n");
+		return PTR_ERR(rk8xx_rtc->regmap);
+	}
+
+	platform_set_drvdata(pdev, rk8xx_rtc);
+	rk8xx_rtc->i2c = client;
 
 	/* start rtc running by default, and use shadowed timer. */
-	ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
+	ret = regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_CTRL_REG,
 				 BIT_RTC_CTRL_REG_STOP_RTC_M |
 				 BIT_RTC_CTRL_REG_RTC_READSEL_M,
 				 BIT_RTC_CTRL_REG_RTC_READSEL_M);
@@ -396,7 +428,7 @@  static int rk808_rtc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = regmap_write(rk808->regmap, RK808_RTC_STATUS_REG,
+	ret = regmap_write(rk8xx_rtc->regmap, RK8XX_RTC_STATUS_REG,
 			   RTC_STATUS_MASK);
 	if (ret) {
 		dev_err(&pdev->dev,
@@ -405,7 +437,7 @@  static int rk808_rtc_probe(struct platform_device *pdev)
 	}
 
 	/* set init time */
-	ret = rk808_rtc_readtime(&pdev->dev, &tm);
+	ret = rk8xx_rtc_readtime(&pdev->dev, &tm);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to read RTC time\n");
 		return ret;
@@ -416,45 +448,45 @@  static int rk808_rtc_probe(struct platform_device *pdev)
 
 	device_init_wakeup(&pdev->dev, 1);
 
-	rk808_rtc->rtc = devm_rtc_device_register(&pdev->dev, "rk808-rtc",
-						  &rk808_rtc_ops, THIS_MODULE);
-	if (IS_ERR(rk808_rtc->rtc)) {
-		ret = PTR_ERR(rk808_rtc->rtc);
+	rk8xx_rtc->rtc = devm_rtc_device_register(&pdev->dev, "rk8xx-rtc",
+						  &rk8xx_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rk8xx_rtc->rtc)) {
+		ret = PTR_ERR(rk8xx_rtc->rtc);
 		return ret;
 	}
 
-	rk808_rtc->irq = platform_get_irq(pdev, 0);
-	if (rk808_rtc->irq < 0) {
-		if (rk808_rtc->irq != -EPROBE_DEFER)
+	rk8xx_rtc->irq = platform_get_irq(pdev, 0);
+	if (rk8xx_rtc->irq < 0) {
+		if (rk8xx_rtc->irq != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "Wake up is not possible as irq = %d\n",
-				rk808_rtc->irq);
-		return rk808_rtc->irq;
+				rk8xx_rtc->irq);
+		return rk8xx_rtc->irq;
 	}
 
-	/* request alarm irq of rk808 */
-	ret = devm_request_threaded_irq(&pdev->dev, rk808_rtc->irq, NULL,
-					rk808_alarm_irq, 0,
-					"RTC alarm", rk808_rtc);
+	/* request alarm irq of rk8xx */
+	ret = devm_request_threaded_irq(&pdev->dev, rk8xx_rtc->irq, NULL,
+					rk8xx_alarm_irq, 0,
+					"RTC alarm", rk8xx_rtc);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to request alarm IRQ %d: %d\n",
-			rk808_rtc->irq, ret);
+			rk8xx_rtc->irq, ret);
 	}
 
 	return ret;
 }
 
-static struct platform_driver rk808_rtc_driver = {
-	.probe = rk808_rtc_probe,
+static struct platform_driver rk8xx_rtc_driver = {
+	.probe = rk8xx_rtc_probe,
 	.driver = {
-		.name = "rk808-rtc",
-		.pm = &rk808_rtc_pm_ops,
+		.name = "rk8xx-rtc",
+		.pm = &rk8xx_rtc_pm_ops,
 	},
 };
 
-module_platform_driver(rk808_rtc_driver);
+module_platform_driver(rk8xx_rtc_driver);
 
-MODULE_DESCRIPTION("RTC driver for the rk808 series PMICs");
+MODULE_DESCRIPTION("RTC driver for the rk8xx series PMICs");
 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
 MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:rk808-rtc");
+MODULE_ALIAS("platform:rk8xx-rtc");