linux-kernel - [PATCH] RTC: DS1340 Add support for trickle charger.

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Date:   Fri, 20 Apr 2018 11:34:02 +0200
From:   Andrea Greco <andrea.greco.gapmilano@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     andrea.greco.gapmilano@...il.com, Andrea Greco <a.greco@...gma.it>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] RTC: DS1340 Add support for trickle charger.

From: Andrea Greco <a.greco@...gma.it>

Add support Dallas DS1340 trickle charger function.

Signed-off-by: Andrea Greco <a.greco@...gma.it>
---
 drivers/rtc/rtc-ds1307.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index a13e59edff53..e9ec4160d7f6 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -201,6 +201,7 @@ static const struct chip_desc chips[last_ds_type] = {
 		.century_reg	= DS1307_REG_HOUR,
 		.century_enable_bit = DS1340_BIT_CENTURY_EN,
 		.century_bit	= DS1340_BIT_CENTURY,
+		.do_trickle_setup = &do_trickle_setup_ds1339,
 		.trickle_charger_reg = 0x08,
 	},
 	[ds_1341] = {
@@ -1371,6 +1372,7 @@ static void ds1307_clks_register(struct ds1307 *ds1307)
 static const struct regmap_config regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
+	.max_register = 0x9,
 };
 
 static int ds1307_probe(struct i2c_client *client,
-- 
2.14.3