From patchwork Mon Mar 4 14:05:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [3/9] MXS/i.MX28: prepare different clocking of the built-in RTC Date: Mon, 04 Mar 2013 04:05:42 -0000 From: Steffen Trumtrar X-Patchwork-Id: 224732 Message-Id: <1362405948-12992-4-git-send-email-s.trumtrar@pengutronix.de> To: rtc-linux@googlegroups.com, devicetree-discuss@lists.ozlabs.org Cc: Shawn Guo , Alessandro Zummo , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, Juergen Beisert From: Juergen Beisert Signed-off-by: Juergen Beisert --- drivers/rtc/rtc-stmp3xxx.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 98f0d3c..7311292 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -53,18 +53,26 @@ #define STMP3XXX_RTC_PERSISTENT0 0x60 #define STMP3XXX_RTC_PERSISTENT0_SET 0x64 #define STMP3XXX_RTC_PERSISTENT0_CLR 0x68 +#define STMP3XXX_RTC_PERSISTENT0_CLOCKSOURCE (1 << 0) #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN 0x00000002 #define STMP3XXX_RTC_PERSISTENT0_ALARM_EN 0x00000004 +#define STMP3XXX_RTC_PERSISTENT0_XTAL24MHZ_PWRUP (1 << 4) +#define STMP3XXX_RTC_PERSISTENT0_XTAL32KHZ_PWRUP (1 << 5) +#define STMP3XXX_RTC_PERSISTENT0_XTAL32_FREQ (1 << 6) + #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE 0x00000080 #define STMP3XXX_RTC_PERSISTENT1 0x70 /* missing bitmask in headers */ #define STMP3XXX_RTC_PERSISTENT1_FORCE_UPDATER 0x80000000 +enum clock_source { MXS_UNKNOWN, MXS_OSC_24M, MXS_OSC_32K, MXS_OSC_32K768 }; + struct stmp3xxx_rtc_data { struct rtc_device *rtc; void __iomem *io; int irq_alarm; + enum clock_source clk_src; }; #if IS_ENABLED(CONFIG_STMP3XXX_RTC_WATCHDOG)