Hi Alexandre,
Any comments?
Regards,
Biwen Li
> -----Original Message-----
> From: Biwen Li <biwen...@oss.nxp.com>
> Sent: 2020年12月2日 11:19
> To: Leo Li <leoyang...@nxp.com>; alexandre.bell...@bootlin.com; Anson
> Huang <anson.hu...@nxp.com>; Aisheng Dong <aisheng.d...@nxp.com>
> Cc: linux-kernel@vger.kernel.org; Jiafei Pan <jiafei....@nxp.com>;
> linux-...@vger.kernel.org; Biwen Li <biwen...@nxp.com>
> Subject: [v2 1/2] rtc: pcf2127: properly set flag WD_CD for rtc chips(pcf2129,
> pca2129)
>
> From: Biwen Li <biwen...@nxp.com>
>
> Properly set flag WD_CD for rtc chips(pcf2129, pca2129)
>
> Signed-off-by: Biwen Li <biwen...@nxp.com>
> ---
> Change in v2:
> - set flag WD_CD according to compatible
>
> drivers/rtc/rtc-pcf2127.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index
> 03c9cb6b0b6e..a5418b657c50 100644
> --- a/drivers/rtc/rtc-pcf2127.c
> +++ b/drivers/rtc/rtc-pcf2127.c
> @@ -620,6 +620,10 @@ static int pcf2127_probe(struct device *dev, struct
> regmap *regmap,
> * Watchdog timer enabled and reset pin /RST activated when timed out.
> * Select 1Hz clock source for watchdog timer.
> * Note: Countdown timer disabled and not available.
> + * For pca2129, pcf2129, only bit[7] is for Symbol WD_CD
> + * of register watchdg_tim_ctl. The bit[6] is labeled
> + * as T. Bits labeled as T must always be written with
> + * logic 0.
> */
> ret = regmap_update_bits(pcf2127->regmap, PCF2127_REG_WD_CTL,
> PCF2127_BIT_WD_CTL_CD1 |
> @@ -627,7 +631,8 @@ static int pcf2127_probe(struct device *dev, struct
> regmap *regmap,
> PCF2127_BIT_WD_CTL_TF1 |
> PCF2127_BIT_WD_CTL_TF0,
> PCF2127_BIT_WD_CTL_CD1 |
> - PCF2127_BIT_WD_CTL_CD0 |
> + (device_property_match_string(dev,
> "compatible",
> "nxp,pcf2127")
> + ? (PCF2127_BIT_WD_CTL_CD0) : (0)) |
> PCF2127_BIT_WD_CTL_TF1);
> if (ret) {
> dev_err(dev, "%s: watchdog config (wd_ctl) failed\n", __func__);
> --
> 2.17.1
