From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/drivers/regulator/da9210-regulator.c | 87 +++++++------------------------------------
1 files changed, 14 insertions(+), 73 deletions(-)
diff --git a/kernel/drivers/regulator/da9210-regulator.c b/kernel/drivers/regulator/da9210-regulator.c
index d0496d6..7493af0 100644
--- a/kernel/drivers/regulator/da9210-regulator.c
+++ b/kernel/drivers/regulator/da9210-regulator.c
@@ -1,22 +1,7 @@
-/*
- * da9210-regulator.c - Regulator device driver for DA9210
- * Copyright (C) 2013 Dialog Semiconductor Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// da9210-regulator.c - Regulator device driver for DA9210
+// Copyright (C) 2013 Dialog Semiconductor Ltd.
#include <linux/err.h>
#include <linux/i2c.h>
@@ -41,10 +26,6 @@
.val_bits = 8,
};
-static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
- int max_uA);
-static int da9210_get_current_limit(struct regulator_dev *rdev);
-
static const struct regulator_ops da9210_buck_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
@@ -52,8 +33,8 @@
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear,
- .set_current_limit = da9210_set_current_limit,
- .get_current_limit = da9210_get_current_limit,
+ .set_current_limit = regulator_set_current_limit_regmap,
+ .get_current_limit = regulator_get_current_limit_regmap,
};
/* Default limits measured in millivolts and milliamps */
@@ -62,7 +43,7 @@
#define DA9210_STEP_MV 10
/* Current limits for buck (uA) indices corresponds with register values */
-static const int da9210_buck_limits[] = {
+static const unsigned int da9210_buck_limits[] = {
1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000,
3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000
};
@@ -80,46 +61,11 @@
.enable_reg = DA9210_REG_BUCK_CONT,
.enable_mask = DA9210_BUCK_EN,
.owner = THIS_MODULE,
+ .curr_table = da9210_buck_limits,
+ .n_current_limits = ARRAY_SIZE(da9210_buck_limits),
+ .csel_reg = DA9210_REG_BUCK_ILIM,
+ .csel_mask = DA9210_BUCK_ILIM_MASK,
};
-
-static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
- int max_uA)
-{
- struct da9210 *chip = rdev_get_drvdata(rdev);
- unsigned int sel;
- int i;
-
- /* search for closest to maximum */
- for (i = ARRAY_SIZE(da9210_buck_limits)-1; i >= 0; i--) {
- if (min_uA <= da9210_buck_limits[i] &&
- max_uA >= da9210_buck_limits[i]) {
- sel = i;
- sel = sel << DA9210_BUCK_ILIM_SHIFT;
- return regmap_update_bits(chip->regmap,
- DA9210_REG_BUCK_ILIM,
- DA9210_BUCK_ILIM_MASK, sel);
- }
- }
-
- return -EINVAL;
-}
-
-static int da9210_get_current_limit(struct regulator_dev *rdev)
-{
- struct da9210 *chip = rdev_get_drvdata(rdev);
- unsigned int data;
- unsigned int sel;
- int ret;
-
- ret = regmap_read(chip->regmap, DA9210_REG_BUCK_ILIM, &data);
- if (ret < 0)
- return ret;
-
- /* select one of 16 values: 0000 (1600mA) to 1111 (4600mA) */
- sel = (data & DA9210_BUCK_ILIM_MASK) >> DA9210_BUCK_ILIM_SHIFT;
-
- return da9210_buck_limits[sel];
-}
static irqreturn_t da9210_irq_handler(int irq, void *data)
{
@@ -130,8 +76,6 @@
error = regmap_read(chip->regmap, DA9210_REG_EVENT_B, &val);
if (error < 0)
goto error_i2c;
-
- mutex_lock(&chip->rdev->mutex);
if (val & DA9210_E_OVCURR) {
regulator_notifier_call_chain(chip->rdev,
@@ -157,8 +101,6 @@
handled |= DA9210_E_VMAX;
}
- mutex_unlock(&chip->rdev->mutex);
-
if (handled) {
/* Clear handled events */
error = regmap_write(chip->regmap, DA9210_REG_EVENT_B, handled);
@@ -179,14 +121,13 @@
* I2C driver interface functions
*/
-static const struct of_device_id da9210_dt_ids[] = {
+static const struct of_device_id __maybe_unused da9210_dt_ids[] = {
{ .compatible = "dlg,da9210", },
{ }
};
MODULE_DEVICE_TABLE(of, da9210_dt_ids);
-static int da9210_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int da9210_i2c_probe(struct i2c_client *i2c)
{
struct da9210 *chip;
struct device *dev = &i2c->dev;
@@ -282,7 +223,7 @@
.name = "da9210",
.of_match_table = of_match_ptr(da9210_dt_ids),
},
- .probe = da9210_i2c_probe,
+ .probe_new = da9210_i2c_probe,
.id_table = da9210_i2c_id,
};
--
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