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| author | Sean Nyekjaer <sean.nyekjaer@prevas.dk> | 2017-06-08 13:36:54 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-07-06 23:37:17 +0300 |
| commit | 300a7735becf55f7fd18f8cd3dc3b945a0cab712 (patch) | |
| tree | 8eacec9257a586c88a4372d507c1529e72376300 /drivers/rtc/rtc-ds1307.c | |
| parent | c35c4195f919a077ce106ec84cfcecbb0b67db30 (diff) | |
| download | linux-300a7735becf55f7fd18f8cd3dc3b945a0cab712.tar.xz | |
rtc: ds1307: add ds1308 variant
The ds1308 variant is very similar to the already supported ds1338
variant, it have more debug registers and a square wave clock output.
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-ds1307.c')
| -rw-r--r-- | drivers/rtc/rtc-ds1307.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 922675281b7a..57ea25400ecd 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -34,6 +34,7 @@ */ enum ds_type { ds_1307, + ds_1308, ds_1337, ds_1338, ds_1339, @@ -152,6 +153,10 @@ static struct chip_desc chips[last_ds_type] = { .nvram_offset = 8, .nvram_size = 56, }, + [ds_1308] = { + .nvram_offset = 8, + .nvram_size = 56, + }, [ds_1337] = { .alarm = 1, .century_reg = DS1307_REG_MONTH, @@ -198,6 +203,7 @@ static struct chip_desc chips[last_ds_type] = { static const struct i2c_device_id ds1307_id[] = { { "ds1307", ds_1307 }, + { "ds1308", ds_1308 }, { "ds1337", ds_1337 }, { "ds1338", ds_1338 }, { "ds1339", ds_1339 }, @@ -223,6 +229,10 @@ static const struct of_device_id ds1307_of_match[] = { .data = (void *)ds_1307 }, { + .compatible = "dallas,ds1308", + .data = (void *)ds_1308 + }, + { .compatible = "dallas,ds1337", .data = (void *)ds_1337 }, @@ -282,6 +292,7 @@ MODULE_DEVICE_TABLE(of, ds1307_of_match); #ifdef CONFIG_ACPI static const struct acpi_device_id ds1307_acpi_ids[] = { { .id = "DS1307", .driver_data = ds_1307 }, + { .id = "DS1308", .driver_data = ds_1308 }, { .id = "DS1337", .driver_data = ds_1337 }, { .id = "DS1338", .driver_data = ds_1338 }, { .id = "DS1339", .driver_data = ds_1339 }, @@ -1558,6 +1569,7 @@ read_rtc: goto read_rtc; } break; + case ds_1308: case ds_1338: /* clock halted? turn it on, so clock can tick. */ if (tmp & DS1307_BIT_CH) |