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52 lines
1.3 KiB
Diff
52 lines
1.3 KiB
Diff
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From 300a7735becf55f7fd18f8cd3dc3b945a0cab712 Mon Sep 17 00:00:00 2001
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From: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
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Date: Thu, 8 Jun 2017 12:36:54 +0200
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Subject: rtc: ds1307: add ds1308 variant
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The ds1308 variant is very similar to the already supported ds1338
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variant, it have more debug registers and a square wave clock output.
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Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
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Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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---
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drivers/rtc/rtc-ds1307.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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--- a/drivers/rtc/rtc-ds1307.c
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+++ b/drivers/rtc/rtc-ds1307.c
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@@ -31,6 +31,7 @@
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*/
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enum ds_type {
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ds_1307,
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+ ds_1308,
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ds_1337,
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ds_1338,
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ds_1339,
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@@ -144,6 +145,10 @@ static struct chip_desc chips[last_ds_ty
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.nvram_offset = 8,
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.nvram_size = 56,
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},
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+ [ds_1308] = {
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+ .nvram_offset = 8,
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+ .nvram_size = 56,
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+ },
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[ds_1337] = {
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.alarm = 1,
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},
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@@ -175,6 +180,7 @@ static struct chip_desc chips[last_ds_ty
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static const struct i2c_device_id ds1307_id[] = {
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{ "ds1307", ds_1307 },
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+ { "ds1308", ds_1308 },
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{ "ds1337", ds_1337 },
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{ "ds1338", ds_1338 },
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{ "ds1339", ds_1339 },
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@@ -1488,6 +1494,7 @@ read_rtc:
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goto read_rtc;
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}
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break;
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+ case ds_1308:
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case ds_1338:
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/* clock halted? turn it on, so clock can tick. */
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if (tmp & DS1307_BIT_CH)
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