* [rtc-linux] Re: [PATCH] rtc: rk808: rename rtc-rk808.c to rtc-rk8xx.c
[not found] <5684a3c1.060b620a.6fa22.2470SMTPIN_ADDED_BROKEN@mx.google.com>
@ 2016-01-11 8:46 ` Lee Jones
0 siblings, 0 replies; only message in thread
From: Lee Jones @ 2016-01-11 8:46 UTC (permalink / raw)
To: zhangqing
Cc: heiko, a.zummo, alexandre.belloni, huangtao, zyw, linux-rockchip,
linux-kernel, rtc-linux, zhangqing
On Thu, 31 Dec 2015, zhangqing@263.net wrote:
> From: zhangqing <zhangqing@rock-chips.com>
>=20
> make rtc-rk8xx.c compatible for all pmic chips.
> for pmic chips(rk808\rk807\rk816\rk818) in the future.
>=20
> Signed-off-by: zhangqing <zhangqing@rock-chips.com>
> ---
> drivers/mfd/rk808.c | 2 +-
Acked-by: Lee Jones <lee.jones@linaro.org>
> drivers/rtc/Kconfig | 8 +-
> drivers/rtc/Makefile | 2 +-
> drivers/rtc/{rtc-rk808.c =3D> rtc-rk8xx.c} | 218 ++++++++++++++++++-----=
--------
> 4 files changed, 131 insertions(+), 99 deletions(-)
> rename drivers/rtc/{rtc-rk808.c =3D> rtc-rk8xx.c} (64%)
>=20
> 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[] =3D {
> { .name =3D "rk808-clkout", },
> { .name =3D "rk808-regulator", },
> {
> - .name =3D "rk808-rtc",
> + .name =3D "rk8xx-rtc",
> .num_resources =3D ARRAY_SIZE(rtc_resources),
> .resources =3D &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.
> =20
> -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.
> =20
> This driver can also be built as a module. If so, the module
> - will be called rk808-rtc.
> + will be called rk8xx-rtc.
> =20
> 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-$(CONFIG_RTC_DRV_PUV3) +=3D rtc-puv3.o
> obj-$(CONFIG_RTC_DRV_PXA) +=3D rtc-pxa.o
> obj-$(CONFIG_RTC_DRV_R9701) +=3D rtc-r9701.o
> obj-$(CONFIG_RTC_DRV_RC5T583) +=3D rtc-rc5t583.o
> -obj-$(CONFIG_RTC_DRV_RK808) +=3D rtc-rk808.o
> +obj-$(CONFIG_RTC_DRV_RK8XX) +=3D rtc-rk8xx.o
> obj-$(CONFIG_RTC_DRV_RP5C01) +=3D rtc-rp5c01.o
> obj-$(CONFIG_RTC_DRV_RS5C313) +=3D rtc-rs5c313.o
> obj-$(CONFIG_RTC_DRV_RS5C348) +=3D 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
> =20
> /* RTC_CTRL_REG bitfields */
> #define BIT_RTC_CTRL_REG_STOP_RTC_M BIT(0)
> =20
> -/* 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 shadowe=
d
> * register. If set "READSEL" to 1, user read rtc time register, actuall=
y
> * get the time of that moment. If we need the real time, clr this bit.
> @@ -47,17 +66,25 @@
> =20
> /* REG_SECONDS_REG through REG_YEARS_REG is how many registers? */
> =20
> -#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)
> =20
> -struct rk808_rtc {
> - struct rk808 *rk808;
> +static const struct regmap_config rk8xx_rtc_regmap_config =3D {
> + .reg_bits =3D 8,
> + .val_bits =3D 8,
> + .max_register =3D RK8XX_RTC_COMP_MSB_REG,
> + .cache_type =3D REGCACHE_RBTREE,
> +};
> +
> +struct rk8xx_rtc {
> struct rtc_device *rtc;
> + struct i2c_client *i2c;
> + struct regmap *regmap;
> int irq;
> };
> =20
> /*
> - * 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 Gregoria=
n
> * 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 date=
s
> @@ -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 =3D rtc_tm_to_time64(tm);
> +
> rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm);
> }
> =20
> @@ -81,6 +109,7 @@ static void gregorian_to_rockchip(struct rtc_time *tm)
> {
> time64_t extra_days =3D nov2dec_transitions(tm);
> time64_t time =3D rtc_tm_to_time64(tm);
> +
> rtc_time64_to_tm(time - extra_days * 86400, tm);
> =20
> /* 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 *t=
m)
> }
> =20
> /* 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 =3D dev_get_drvdata(dev);
> - struct rk808 *rk808 =3D rk808_rtc->rk808;
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(dev);
> u8 rtc_data[NUM_TIME_REGS];
> int ret;
> =20
> /* Force an update of the shadowed registers right now */
> - ret =3D regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
> + ret =3D 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, str=
uct 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 =3D regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
> + ret =3D 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, str=
uct rtc_time *tm)
> return ret;
> }
> =20
> - ret =3D regmap_bulk_read(rk808->regmap, RK808_SECONDS_REG,
> + ret =3D 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, st=
ruct rtc_time *tm)
> }
> =20
> /* 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 =3D dev_get_drvdata(dev);
> - struct rk808 *rk808 =3D rk808_rtc->rk808;
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(dev);
> u8 rtc_data[NUM_TIME_REGS];
> int ret;
> =20
> @@ -166,7 +193,7 @@ static int rk808_rtc_set_time(struct device *dev, str=
uct rtc_time *tm)
> rtc_data[6] =3D bin2bcd(tm->tm_wday);
> =20
> /* Stop RTC while updating the RTC registers */
> - ret =3D regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
> + ret =3D 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, s=
truct rtc_time *tm)
> return ret;
> }
> =20
> - ret =3D regmap_bulk_write(rk808->regmap, RK808_SECONDS_REG,
> + ret =3D 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 =3D regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
> + ret =3D 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, s=
truct rtc_time *tm)
> }
> =20
> /* Read alarm time and date in RTC */
> -static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *al=
rm)
> +static int rk8xx_rtc_readalarm(struct device *dev, struct rtc_wkalrm *al=
rm)
> {
> - struct rk808_rtc *rk808_rtc =3D dev_get_drvdata(dev);
> - struct rk808 *rk808 =3D rk808_rtc->rk808;
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(dev);
> u8 alrm_data[NUM_ALARM_REGS];
> uint32_t int_reg;
> int ret;
> =20
> - ret =3D regmap_bulk_read(rk808->regmap, RK808_ALARM_SECONDS_REG,
> + ret =3D regmap_bulk_read(rk8xx_rtc->regmap,
> + RK8XX_ALARM_SECONDS_REG,
> alrm_data, NUM_ALARM_REGS);
> =20
> alrm->time.tm_sec =3D bcd2bin(alrm_data[0] & SECONDS_REG_MSK);
> @@ -210,7 +237,8 @@ static int rk808_rtc_readalarm(struct device *dev, st=
ruct rtc_wkalrm *alrm)
> alrm->time.tm_year =3D (bcd2bin(alrm_data[5] & YEARS_REG_MSK)) + 100;
> rockchip_to_gregorian(&alrm->time);
> =20
> - ret =3D regmap_read(rk808->regmap, RK808_RTC_INT_REG, &int_reg);
> + ret =3D 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;
> }
> =20
> -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 =3D rk808_rtc->rk808;
> int ret;
> =20
> - ret =3D regmap_update_bits(rk808->regmap, RK808_RTC_INT_REG,
> + ret =3D regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_INT_REG,
> BIT_RTC_INTERRUPTS_REG_IT_ALARM_M, 0);
> =20
> return ret;
> }
> =20
> -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 =3D rk808_rtc->rk808;
> int ret;
> =20
> - ret =3D regmap_update_bits(rk808->regmap, RK808_RTC_INT_REG,
> + ret =3D regmap_update_bits(rk8xx_rtc->regmap, RK8XX_RTC_INT_REG,
> BIT_RTC_INTERRUPTS_REG_IT_ALARM_M,
> BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
> =20
> return ret;
> }
> =20
> -static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alr=
m)
> +static int rk8xx_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alr=
m)
> {
> - struct rk808_rtc *rk808_rtc =3D dev_get_drvdata(dev);
> - struct rk808 *rk808 =3D rk808_rtc->rk808;
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(dev);
> u8 alrm_data[NUM_ALARM_REGS];
> int ret;
> =20
> - ret =3D rk808_rtc_stop_alarm(rk808_rtc);
> + ret =3D 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, s=
truct rtc_wkalrm *alrm)
> alrm_data[4] =3D bin2bcd(alrm->time.tm_mon + 1);
> alrm_data[5] =3D bin2bcd(alrm->time.tm_year - 100);
> =20
> - ret =3D regmap_bulk_write(rk808->regmap, RK808_ALARM_SECONDS_REG,
> + ret =3D 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 =3D rk808_rtc_start_alarm(rk808_rtc);
> + ret =3D 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, s=
truct rtc_wkalrm *alrm)
> return 0;
> }
> =20
> -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 =3D dev_get_drvdata(dev);
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(dev);
> =20
> if (enabled)
> - return rk808_rtc_start_alarm(rk808_rtc);
> + return rk8xx_rtc_start_alarm(rk8xx_rtc);
> =20
> - return rk808_rtc_stop_alarm(rk808_rtc);
> + return rk8xx_rtc_stop_alarm(rk8xx_rtc);
> }
> =20
> /*
> @@ -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 =3D data;
> - struct rk808 *rk808 =3D rk808_rtc->rk808;
> - struct i2c_client *client =3D rk808->i2c;
> + struct rk8xx_rtc *rk8xx_rtc =3D data;
> + struct i2c_client *client =3D rk8xx_rtc->i2c;
> int ret;
> =20
> - ret =3D regmap_write(rk808->regmap, RK808_RTC_STATUS_REG,
> + ret =3D 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 *d=
ata)
> return ret;
> }
> =20
> - 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=3D%d\n", __func__, irq);
> + "%s:irq=3D%d\n", __func__, irq);
> return IRQ_HANDLED;
> }
> =20
> -static const struct rtc_class_ops rk808_rtc_ops =3D {
> - .read_time =3D rk808_rtc_readtime,
> - .set_time =3D rk808_rtc_set_time,
> - .read_alarm =3D rk808_rtc_readalarm,
> - .set_alarm =3D rk808_rtc_setalarm,
> - .alarm_irq_enable =3D rk808_rtc_alarm_irq_enable,
> +static const struct rtc_class_ops rk8xx_rtc_ops =3D {
> + .read_time =3D rk8xx_rtc_readtime,
> + .set_time =3D rk8xx_rtc_set_time,
> + .read_alarm =3D rk8xx_rtc_readalarm,
> + .set_alarm =3D rk8xx_rtc_setalarm,
> + .alarm_irq_enable =3D rk8xx_rtc_alarm_irq_enable,
> };
> =20
> #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 =3D to_platform_device(dev);
> - struct rk808_rtc *rk808_rtc =3D dev_get_drvdata(&pdev->dev);
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(&pdev->dev);
> =20
> if (device_may_wakeup(dev))
> - enable_irq_wake(rk808_rtc->irq);
> + enable_irq_wake(rk8xx_rtc->irq);
> =20
> 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 =3D to_platform_device(dev);
> - struct rk808_rtc *rk808_rtc =3D dev_get_drvdata(&pdev->dev);
> + struct rk8xx_rtc *rk8xx_rtc =3D dev_get_drvdata(&pdev->dev);
> =20
> if (device_may_wakeup(dev))
> - disable_irq_wake(rk808_rtc->irq);
> + disable_irq_wake(rk8xx_rtc->irq);
> =20
> return 0;
> }
> #endif
> =20
> -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);
> =20
> -static int rk808_rtc_probe(struct platform_device *pdev)
> +static int rk8xx_rtc_probe(struct platform_device *pdev)
> {
> - struct rk808 *rk808 =3D dev_get_drvdata(pdev->dev.parent);
> - struct rk808_rtc *rk808_rtc;
> + struct i2c_client *client =3D to_i2c_client(pdev->dev.parent);
> + struct rk8xx_rtc *rk8xx_rtc;
> struct rtc_time tm;
> int ret;
> =20
> - rk808_rtc =3D devm_kzalloc(&pdev->dev, sizeof(*rk808_rtc), GFP_KERNEL);
> - if (rk808_rtc =3D=3D NULL)
> + rk8xx_rtc =3D devm_kzalloc(&pdev->dev, sizeof(*rk8xx_rtc), GFP_KERNEL);
> + if (rk8xx_rtc =3D=3D NULL)
> return -ENOMEM;
> =20
> - platform_set_drvdata(pdev, rk808_rtc);
> - rk808_rtc->rk808 =3D rk808;
> + rk8xx_rtc->regmap =3D 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 =3D client;
> =20
> /* start rtc running by default, and use shadowed timer. */
> - ret =3D regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
> + ret =3D 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 *pd=
ev)
> return ret;
> }
> =20
> - ret =3D regmap_write(rk808->regmap, RK808_RTC_STATUS_REG,
> + ret =3D 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 *pd=
ev)
> }
> =20
> /* set init time */
> - ret =3D rk808_rtc_readtime(&pdev->dev, &tm);
> + ret =3D 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)
> =20
> device_init_wakeup(&pdev->dev, 1);
> =20
> - rk808_rtc->rtc =3D devm_rtc_device_register(&pdev->dev, "rk808-rtc",
> - &rk808_rtc_ops, THIS_MODULE);
> - if (IS_ERR(rk808_rtc->rtc)) {
> - ret =3D PTR_ERR(rk808_rtc->rtc);
> + rk8xx_rtc->rtc =3D devm_rtc_device_register(&pdev->dev, "rk8xx-rtc",
> + &rk8xx_rtc_ops, THIS_MODULE);
> + if (IS_ERR(rk8xx_rtc->rtc)) {
> + ret =3D PTR_ERR(rk8xx_rtc->rtc);
> return ret;
> }
> =20
> - rk808_rtc->irq =3D platform_get_irq(pdev, 0);
> - if (rk808_rtc->irq < 0) {
> - if (rk808_rtc->irq !=3D -EPROBE_DEFER)
> + rk8xx_rtc->irq =3D platform_get_irq(pdev, 0);
> + if (rk8xx_rtc->irq < 0) {
> + if (rk8xx_rtc->irq !=3D -EPROBE_DEFER)
> dev_err(&pdev->dev, "Wake up is not possible as irq =3D %d\n",
> - rk808_rtc->irq);
> - return rk808_rtc->irq;
> + rk8xx_rtc->irq);
> + return rk8xx_rtc->irq;
> }
> =20
> - /* request alarm irq of rk808 */
> - ret =3D devm_request_threaded_irq(&pdev->dev, rk808_rtc->irq, NULL,
> - rk808_alarm_irq, 0,
> - "RTC alarm", rk808_rtc);
> + /* request alarm irq of rk8xx */
> + ret =3D 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);
> }
> =20
> return ret;
> }
> =20
> -static struct platform_driver rk808_rtc_driver =3D {
> - .probe =3D rk808_rtc_probe,
> +static struct platform_driver rk8xx_rtc_driver =3D {
> + .probe =3D rk8xx_rtc_probe,
> .driver =3D {
> - .name =3D "rk808-rtc",
> - .pm =3D &rk808_rtc_pm_ops,
> + .name =3D "rk8xx-rtc",
> + .pm =3D &rk8xx_rtc_pm_ops,
> },
> };
> =20
> -module_platform_driver(rk808_rtc_driver);
> +module_platform_driver(rk8xx_rtc_driver);
> =20
> -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");
--=20
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org =E2=94=82 Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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