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authorMartin Schiller <ms@dev.tdt.de>2018-08-29 11:13:42 +0200
committerJohn Crispin <john@phrozen.org>2018-09-10 09:19:44 +0200
commitbc24f0ad2b3cc7ca7b74ecef8051c1bbff9d4277 (patch)
tree47ec8c60f35d5187e656fdf96297c61f18995f94
parent0317fc3658eb55596c72647f2e6c68bf06bf36ff (diff)
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kernel: backport rtc ds1308 support to 4.9
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
-rw-r--r--target/linux/generic/backport-4.9/095-v4.13-0001-rtc-ds1307-add-ds1308-variant.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/backport-4.9/095-v4.13-0001-rtc-ds1307-add-ds1308-variant.patch b/target/linux/generic/backport-4.9/095-v4.13-0001-rtc-ds1307-add-ds1308-variant.patch
new file mode 100644
index 0000000000..963466143c
--- /dev/null
+++ b/target/linux/generic/backport-4.9/095-v4.13-0001-rtc-ds1307-add-ds1308-variant.patch
@@ -0,0 +1,51 @@
+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)