Add DM support for the Marvell RTC driver.
Signed-off-by: Chris Packham <[email protected]>
---
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
--
2.17.0
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