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Diffstat (limited to 'drivers/mfd/as3722.c')
-rw-r--r--drivers/mfd/as3722.c54
1 files changed, 22 insertions, 32 deletions
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index f87342c211bc..7ab6fcc9c27c 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Core driver for ams AS3722 PMICs
*
@@ -6,20 +7,6 @@
*
* Author: Florian Lobmaier <florian.lobmaier@ams.com>
* Author: Laxman Dewangan <ldewangan@nvidia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/err.h>
@@ -37,21 +24,11 @@
#define AS3722_DEVICE_ID 0x0C
static const struct resource as3722_rtc_resource[] = {
- {
- .name = "as3722-rtc-alarm",
- .start = AS3722_IRQ_RTC_ALARM,
- .end = AS3722_IRQ_RTC_ALARM,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(AS3722_IRQ_RTC_ALARM, "as3722-rtc-alarm"),
};
static const struct resource as3722_adc_resource[] = {
- {
- .name = "as3722-adc",
- .start = AS3722_IRQ_ADC,
- .end = AS3722_IRQ_ADC,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(AS3722_IRQ_ADC, "as3722-adc"),
};
static const struct mfd_cell as3722_devs[] = {
@@ -322,7 +299,7 @@ static const struct regmap_config as3722_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = AS3722_MAX_REGISTER,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.rd_table = &as3722_readable_table,
.wr_table = &as3722_writable_table,
.volatile_table = &as3722_volatile_table,
@@ -349,17 +326,19 @@ static int as3722_i2c_of_probe(struct i2c_client *i2c,
"ams,enable-internal-int-pullup");
as3722->en_intern_i2c_pullup = of_property_read_bool(np,
"ams,enable-internal-i2c-pullup");
+ as3722->en_ac_ok_pwr_on = of_property_read_bool(np,
+ "ams,enable-ac-ok-power-on");
as3722->irq_flags = irqd_get_trigger_type(irq_data);
dev_dbg(&i2c->dev, "IRQ flags are 0x%08lx\n", as3722->irq_flags);
return 0;
}
-static int as3722_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int as3722_i2c_probe(struct i2c_client *i2c)
{
struct as3722 *as3722;
unsigned long irq_flags;
int ret;
+ u8 val = 0;
as3722 = devm_kzalloc(&i2c->dev, sizeof(struct as3722), GFP_KERNEL);
if (!as3722)
@@ -398,6 +377,15 @@ static int as3722_i2c_probe(struct i2c_client *i2c,
if (ret < 0)
return ret;
+ if (as3722->en_ac_ok_pwr_on)
+ val = AS3722_CTRL_SEQU1_AC_OK_PWR_ON;
+ ret = as3722_update_bits(as3722, AS3722_CTRL_SEQU1_REG,
+ AS3722_CTRL_SEQU1_AC_OK_PWR_ON, val);
+ if (ret < 0) {
+ dev_err(as3722->dev, "CTRLsequ1 update failed: %d\n", ret);
+ return ret;
+ }
+
ret = devm_mfd_add_devices(&i2c->dev, -1, as3722_devs,
ARRAY_SIZE(as3722_devs), NULL, 0,
regmap_irq_get_domain(as3722->irq_data));
@@ -406,7 +394,9 @@ static int as3722_i2c_probe(struct i2c_client *i2c,
return ret;
}
- device_init_wakeup(as3722->dev, true);
+ ret = devm_device_init_wakeup(as3722->dev);
+ if (ret)
+ return dev_err_probe(as3722->dev, ret, "Failed to init wakeup\n");
dev_dbg(as3722->dev, "AS3722 core driver initialized successfully\n");
return 0;
@@ -442,8 +432,8 @@ static const struct of_device_id as3722_of_match[] = {
MODULE_DEVICE_TABLE(of, as3722_of_match);
static const struct i2c_device_id as3722_i2c_id[] = {
- { "as3722", 0 },
- {},
+ { "as3722" },
+ {}
};
MODULE_DEVICE_TABLE(i2c, as3722_i2c_id);