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From 300a7735becf55f7fd18f8cd3dc3b945a0cab712 Mon Sep 17 00:00:00 2001
From: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Date: Thu, 8 Jun 2017 12:36:54 +0200
Subject: 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>
---
drivers/rtc/rtc-ds1307.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -31,6 +31,7 @@
*/
enum ds_type {
ds_1307,
+ ds_1308,
ds_1337,
ds_1338,
ds_1339,
@@ -144,6 +145,10 @@ static struct chip_desc chips[last_ds_ty
.nvram_offset = 8,
.nvram_size = 56,
},
+ [ds_1308] = {
+ .nvram_offset = 8,
+ .nvram_size = 56,
+ },
[ds_1337] = {
.alarm = 1,
},
@@ -175,6 +180,7 @@ static struct chip_desc chips[last_ds_ty
static const struct i2c_device_id ds1307_id[] = {
{ "ds1307", ds_1307 },
+ { "ds1308", ds_1308 },
{ "ds1337", ds_1337 },
{ "ds1338", ds_1338 },
{ "ds1339", ds_1339 },
@@ -1488,6 +1494,7 @@ 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)
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