drivers/rtc: convert mvrtc to DM

Add DM support for the Marvell RTC driver.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 277dc3de737c518c841a848e4317953c9dfbc6fa..a3f8c8aecc748c07739e45f565da925074817777 100644 (file)
--- 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 f7bf95c30292fd93d298f7588020835607756f01..94a065379c91d7d4ba9d9373d8c1185c0832e684 100644 (file)
--- 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 dc470a9b73c9924810424a10535f121a935fdbf6..87ff43299cad54b523d0a3fbc4e8a842ab4eb4f7 100644 (file)
--- 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