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drivers/rtc: convert mvrtc to DM

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Add DM support for the Marvell RTC driver.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Chris Packham 2018-05-28 23:39:58 +12:00 committed by Tom Rini
parent 942bb6e2ad
commit d3671dfcdb
3 changed files with 68 additions and 0 deletions
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7
drivers/rtc/Kconfig
View file

@ -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

56
drivers/rtc/mvrtc.c
View file

@ -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 */

5
drivers/rtc/mvrtc.h
View file

@ -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