diff options
Diffstat (limited to 'drivers/rtc/rtc-omap.c')
-rw-r--r-- | drivers/rtc/rtc-omap.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 64d9727b7229..73377b0d65da 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c | |||
@@ -34,7 +34,8 @@ | |||
34 | * Board-specific wiring options include using split power mode with | 34 | * Board-specific wiring options include using split power mode with |
35 | * RTC_OFF_NOFF used as the reset signal (so the RTC won't be reset), | 35 | * RTC_OFF_NOFF used as the reset signal (so the RTC won't be reset), |
36 | * and wiring RTC_WAKE_INT (so the RTC alarm can wake the system from | 36 | * and wiring RTC_WAKE_INT (so the RTC alarm can wake the system from |
37 | * low power modes). See the BOARD-SPECIFIC CUSTOMIZATION comment. | 37 | * low power modes) for OMAP1 boards (OMAP-L138 has this built into |
38 | * the SoC). See the BOARD-SPECIFIC CUSTOMIZATION comment. | ||
38 | */ | 39 | */ |
39 | 40 | ||
40 | #define OMAP_RTC_BASE 0xfffb4800 | 41 | #define OMAP_RTC_BASE 0xfffb4800 |
@@ -401,16 +402,17 @@ static int __init omap_rtc_probe(struct platform_device *pdev) | |||
401 | 402 | ||
402 | /* BOARD-SPECIFIC CUSTOMIZATION CAN GO HERE: | 403 | /* BOARD-SPECIFIC CUSTOMIZATION CAN GO HERE: |
403 | * | 404 | * |
404 | * - Boards wired so that RTC_WAKE_INT does something, and muxed | 405 | * - Device wake-up capability setting should come through chip |
405 | * right (W13_1610_RTC_WAKE_INT is the default after chip reset), | 406 | * init logic. OMAP1 boards should initialize the "wakeup capable" |
406 | * should initialize the device wakeup flag appropriately. | 407 | * flag in the platform device if the board is wired right for |
408 | * being woken up by RTC alarm. For OMAP-L138, this capability | ||
409 | * is built into the SoC by the "Deep Sleep" capability. | ||
407 | * | 410 | * |
408 | * - Boards wired so RTC_ON_nOFF is used as the reset signal, | 411 | * - Boards wired so RTC_ON_nOFF is used as the reset signal, |
409 | * rather than nPWRON_RESET, should forcibly enable split | 412 | * rather than nPWRON_RESET, should forcibly enable split |
410 | * power mode. (Some chip errata report that RTC_CTRL_SPLIT | 413 | * power mode. (Some chip errata report that RTC_CTRL_SPLIT |
411 | * is write-only, and always reads as zero...) | 414 | * is write-only, and always reads as zero...) |
412 | */ | 415 | */ |
413 | device_init_wakeup(&pdev->dev, 0); | ||
414 | 416 | ||
415 | if (new_ctrl & (u8) OMAP_RTC_CTRL_SPLIT) | 417 | if (new_ctrl & (u8) OMAP_RTC_CTRL_SPLIT) |
416 | pr_info("%s: split power mode\n", pdev->name); | 418 | pr_info("%s: split power mode\n", pdev->name); |