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| Started by | Joshua Clayton <stillcompiling@gmail.com> |
|---|---|
| First post | 2015-12-01 19:20 +0100 |
| Last post | 2015-12-01 19:20 +0100 |
| Articles | 1 — 1 participant |
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Re: [PATCH 1/9] rtc-pcf2123: Document all registers and useful bits Joshua Clayton <stillcompiling@gmail.com> - 2015-12-01 19:20 +0100
| From | Joshua Clayton <stillcompiling@gmail.com> |
|---|---|
| Date | 2015-12-01 19:20 +0100 |
| Subject | Re: [PATCH 1/9] rtc-pcf2123: Document all registers and useful bits |
| Message-ID | <qAXGW-4Gh-7@gated-at.bofh.it> |
On Tue, 24 Nov 2015 22:51:36 +0100 Alexandre Belloni <alexandre.belloni@free-electrons.com> wrote: > Hi, > > On 04/11/2015 at 07:36:32 -0800, Joshua Clayton wrote : > > Document all 16 registers in the pcf2123, as well as > > useful bit masks from the Control1 and seconds registers > > > > Signed-off-by: Joshua Clayton <stillcompiling@gmail.com> > > --- > > drivers/rtc/rtc-pcf2123.c | 23 ++++++++++++++++++++++- > > 1 file changed, 22 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c > > index d1953bb..7756210 100644 > > --- a/drivers/rtc/rtc-pcf2123.c > > +++ b/drivers/rtc/rtc-pcf2123.c > > @@ -47,6 +47,7 @@ > > > > #define DRV_VERSION "0.6" > > > > +/* REGISTERS */ > > #define PCF2123_REG_CTRL1 (0x00) /* Control Register > > 1 */ #define PCF2123_REG_CTRL2 (0x01) /* Control > > Register 2 */ #define PCF2123_REG_SC > > (0x02) /* datetime */ @@ -56,7 +57,27 @@ > > #define PCF2123_REG_DW (0x06) > > #define PCF2123_REG_MO (0x07) > > #define PCF2123_REG_YR (0x08) > > - > > +#define PCF2123_REG_ALRM_MN (0x09) /* Alarm > > Registers */ +#define PCF2123_REG_ALRM_HR (0x0a) > > +#define PCF2123_REG_ALRM_DM (0x0b) > > +#define PCF2123_REG_ALRM_DW (0x0c) > > +#define PCF2123_REG_OFFSET (0x0d) /* Clock Rate > > Offset Register */ +#define PCF2123_REG_TMR_CLKOUT > > (0x0e) /* Timer Registers */ +#define > > PCF2123_REG_CTDWN_TMR (0x0f) +#define > > PCF2123_REG_MAX (PCF2123_REG_CTDWN_TMR) + > > +/* PCF2123_REG_CTRL1 BITS */ > > +#define CTRL1_CLEAR (0x00) /* Clear */ > > +#define CTRL1_CORRECTION_INT (0x02) /* Correction > > Interrupt */ +#define CTRL1_12_HOUR (0x04) /* > > 12 hour time */ +#define CTRL1_STOP (0x20) /* > > Stop the clock */ +#define CTRL1_SW_RESET > > (0x58) /* Software reset */ +#define > > CTRL1_EXT_TEST (0x80) /* External Clock Test > > mode */ + +/* PCF2123_REG_SC BITS */ > > +#define OSC_HAS_STOPPED (0x80) /* Clock has > > been stopped */ + > > Can you use the BIT() macro? > > Sure. I Will change that in v2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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