Add DM support for the Marvell RTC driver.
Signed-off-by: Chris Packham judge.packham@gmail.com ---
drivers/rtc/Kconfig | 7 ++++++ drivers/rtc/mvrtc.c | 56 +++++++++++++++++++++++++++++++++++++++++++++ drivers/rtc/mvrtc.h | 5 ++++ 3 files changed, 68 insertions(+)
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 277dc3de737c..a3f8c8aecc74 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -48,6 +48,13 @@ config RTC_RX8010SJ help Support for Epson RX8010SJ Real Time Clock devices.
+config RTC_MV + bool "Enable Marvell RTC driver" + depends on DM_RTC + help + Enable Marvell RTC driver. This driver supports the rtc that is present + on some Marvell SoCs. + config RTC_S35392A bool "Enable S35392A driver" select BITREVERSE diff --git a/drivers/rtc/mvrtc.c b/drivers/rtc/mvrtc.c index f7bf95c30292..94a065379c91 100644 --- a/drivers/rtc/mvrtc.c +++ b/drivers/rtc/mvrtc.c @@ -10,6 +10,7 @@
#include <common.h> #include <command.h> +#include <dm.h> #include <rtc.h> #include <asm/io.h> #include "mvrtc.h" @@ -127,3 +128,58 @@ void rtc_reset(void) __mv_rtc_reset(regs); } #endif /* !CONFIG_DM_RTC */ + +#ifdef CONFIG_DM_RTC +static int mv_rtc_get(struct udevice *dev, struct rtc_time *tm) +{ + struct mvrtc_pdata *pdata = dev_get_platdata(dev); + struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase; + + return __mv_rtc_get(regs, tm); +} + +static int mv_rtc_set(struct udevice *dev, const struct rtc_time *tm) +{ + struct mvrtc_pdata *pdata = dev_get_platdata(dev); + struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase; + + return __mv_rtc_set(regs, tm); +} + +static int mv_rtc_reset(struct udevice *dev) +{ + struct mvrtc_pdata *pdata = dev_get_platdata(dev); + struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase; + + __mv_rtc_reset(regs); + return 0; +} + +static const struct rtc_ops mv_rtc_ops = { + .get = mv_rtc_get, + .set = mv_rtc_set, + .reset = mv_rtc_reset, +}; + +static const struct udevice_id mv_rtc_ids[] = { + { .compatible = "marvell,kirkwood-rtc" }, + { .compatible = "marvell,orion-rtc" }, + { } +}; + +static int mv_rtc_ofdata_to_platdata(struct udevice *dev) +{ + struct mvrtc_pdata *pdata = dev_get_platdata(dev); + + pdata->iobase = devfdt_get_addr(dev); + return 0; +} + +U_BOOT_DRIVER(rtc_mv) = { + .name = "rtc-mv", + .id = UCLASS_RTC, + .ofdata_to_platdata = mv_rtc_ofdata_to_platdata, + .of_match = mv_rtc_ids, + .ops = &mv_rtc_ops, +}; +#endif /* CONFIG_DM_RTC */ diff --git a/drivers/rtc/mvrtc.h b/drivers/rtc/mvrtc.h index dc470a9b73c9..87ff43299cad 100644 --- a/drivers/rtc/mvrtc.h +++ b/drivers/rtc/mvrtc.h @@ -20,6 +20,11 @@ struct mvrtc_registers { u32 date; };
+/* Platform data */ +struct mvrtc_pdata { + phys_addr_t iobase; +}; + /* time register */ #define MVRTC_SEC_SFT 0 #define MVRTC_SEC_MSK 0x7f