943 lines
24 KiB
C
943 lines
24 KiB
C
/*
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* axp20x power button driver.
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*
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* Copyright (C) 2013 Carlo Caione <carlo@caione.org>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file "COPYING" in the main directory of this
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* archive for more details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(x) KBUILD_MODNAME ": " x
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#include <linux/errno.h>
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#include <linux/irq.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/mfd/axp2101.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#define AXP20X_PEK_STARTUP_MASK (0x03)
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#define AXP20X_PEK_SHUTDOWN_MASK (0x0c)
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#define axp2101_PONLEVEL (0x27)
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#define axp2101_PWROFF_EN (0x22)
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#define axp2101_PWR_TIME_CTRL (0x25)
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#define axp2101_VBAT_H (0x34)
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#define axp2101_INTSTS2 (0x49)
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#define IRQ_DBR_BIT BIT(0)
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#define IRQ_DBF_BIT BIT(1)
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struct pk_dts {
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uint32_t pmu_powkey_off_time;
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uint32_t pmu_powkey_off_func;
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uint32_t pmu_powkey_off_en;
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uint32_t pmu_powkey_off_delay_time;
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uint32_t pmu_powkey_long_time;
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uint32_t pmu_powkey_on_time;
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uint32_t pmu_pwrok_time;
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uint32_t pmu_pwrnoe_time;
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uint32_t pmu_powkey_wakeup_rising;
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uint32_t pmu_powkey_wakeup_falling;
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};
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struct axp20x_pek {
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struct axp20x_dev *axp20x;
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struct input_dev *input;
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struct pk_dts pk_dts;
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int irq_dbr;
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int irq_dbf;
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};
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struct axp20x_time {
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unsigned int time;
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unsigned int idx;
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};
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static const struct axp20x_time startup_time[] = {
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{ .time = 128, .idx = 0 },
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{ .time = 512, .idx = 1 },
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{ .time = 1000, .idx = 2 },
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{ .time = 2000, .idx = 3 },
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};
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static const struct axp20x_time shutdown_time[] = {
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{ .time = 4000, .idx = 0 },
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{ .time = 6000, .idx = 1 },
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{ .time = 8000, .idx = 2 },
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{ .time = 10000, .idx = 3 },
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};
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#define AXP_OF_PROP_READ(name, def_value) \
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do { \
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if (of_property_read_u32(node, #name, &pk_dts->name)) \
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pk_dts->name = def_value; \
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} while (0)
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static int axp_powerkey_dt_parse(struct device_node *node,
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struct pk_dts *pk_dts)
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{
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if (!of_device_is_available(node)) {
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pr_err("%s: failed\n", __func__);
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return -1;
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}
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AXP_OF_PROP_READ(pmu_powkey_off_time, 6000);
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AXP_OF_PROP_READ(pmu_powkey_off_func, 0);
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AXP_OF_PROP_READ(pmu_powkey_off_en, 1);
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AXP_OF_PROP_READ(pmu_powkey_off_delay_time, 0);
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AXP_OF_PROP_READ(pmu_powkey_long_time, 1500);
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AXP_OF_PROP_READ(pmu_powkey_on_time, 1000);
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AXP_OF_PROP_READ(pmu_pwrok_time, 64);
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AXP_OF_PROP_READ(pmu_pwrnoe_time, 2000);
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pk_dts->pmu_powkey_wakeup_rising =
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of_property_read_bool(node, "wakeup_rising");
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pk_dts->pmu_powkey_wakeup_falling =
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of_property_read_bool(node, "wakeup_falling");
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return 0;
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}
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struct axp20x_pek_ext_attr {
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const struct axp20x_time *p_time;
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unsigned int mask;
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};
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static struct axp20x_pek_ext_attr axp20x_pek_startup_ext_attr = {
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.p_time = startup_time,
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.mask = AXP20X_PEK_STARTUP_MASK,
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};
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static struct axp20x_pek_ext_attr axp20x_pek_shutdown_ext_attr = {
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.p_time = shutdown_time,
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.mask = AXP20X_PEK_SHUTDOWN_MASK,
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};
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static struct axp20x_pek_ext_attr *get_axp_ext_attr(struct device_attribute *attr)
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{
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return container_of(attr, struct dev_ext_attribute, attr)->var;
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}
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static ssize_t axp20x_show_ext_attr(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct axp20x_pek *axp20x_pek = dev_get_drvdata(dev);
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struct axp20x_pek_ext_attr *axp20x_ea = get_axp_ext_attr(attr);
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unsigned int val;
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int ret, i;
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ret = regmap_read(axp20x_pek->axp20x->regmap, axp2101_PONLEVEL, &val);
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if (ret != 0)
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return ret;
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val &= axp20x_ea->mask;
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val >>= ffs(axp20x_ea->mask) - 1;
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for (i = 0; i < 4; i++)
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if (val == axp20x_ea->p_time[i].idx)
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val = axp20x_ea->p_time[i].time;
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return sprintf(buf, "%u\n", val);
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}
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static ssize_t axp20x_store_ext_attr(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct axp20x_pek *axp20x_pek = dev_get_drvdata(dev);
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struct axp20x_pek_ext_attr *axp20x_ea = get_axp_ext_attr(attr);
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char val_str[20];
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size_t len;
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int ret, i;
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unsigned int val, idx = 0;
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unsigned int best_err = UINT_MAX;
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val_str[sizeof(val_str) - 1] = '\0';
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strncpy(val_str, buf, sizeof(val_str) - 1);
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len = strlen(val_str);
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if (len && val_str[len - 1] == '\n')
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val_str[len - 1] = '\0';
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ret = kstrtouint(val_str, 10, &val);
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if (ret)
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return ret;
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for (i = 3; i >= 0; i--) {
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unsigned int err;
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err = abs(axp20x_ea->p_time[i].time - val);
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if (err < best_err) {
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best_err = err;
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idx = axp20x_ea->p_time[i].idx;
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}
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if (!err)
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break;
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}
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idx <<= ffs(axp20x_ea->mask) - 1;
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ret = regmap_update_bits(axp20x_pek->axp20x->regmap,
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axp2101_PONLEVEL,
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axp20x_ea->mask, idx);
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if (ret != 0)
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return -EINVAL;
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return count;
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}
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static struct dev_ext_attribute axp20x_dev_attr_startup = {
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.attr = __ATTR(startup, 0644, axp20x_show_ext_attr, axp20x_store_ext_attr),
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.var = &axp20x_pek_startup_ext_attr,
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};
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static struct dev_ext_attribute axp20x_dev_attr_shutdown = {
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.attr = __ATTR(shutdown, 0644, axp20x_show_ext_attr, axp20x_store_ext_attr),
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.var = &axp20x_pek_shutdown_ext_attr,
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};
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static struct attribute *axp20x_attributes[] = {
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&axp20x_dev_attr_startup.attr.attr,
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&axp20x_dev_attr_shutdown.attr.attr,
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NULL,
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};
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static const struct attribute_group axp20x_attribute_group = {
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.attrs = axp20x_attributes,
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};
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static irqreturn_t axp20x_pek_irq(int irq, void *pwr)
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{
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struct input_dev *idev = pwr;
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struct axp20x_pek *axp20x_pek = input_get_drvdata(idev);
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/*
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* The power-button is connected to ground so a falling edge (dbf)
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* means it is pressed.
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*/
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if (irq == axp20x_pek->irq_dbf)
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input_report_key(idev, KEY_POWER, true);
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else if (irq == axp20x_pek->irq_dbr)
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input_report_key(idev, KEY_POWER, false);
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input_sync(idev);
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return IRQ_HANDLED;
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}
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static void axp20x_remove_sysfs_group(void *_data)
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{
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struct device *dev = _data;
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sysfs_remove_group(&dev->kobj, &axp20x_attribute_group);
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}
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static int axp152_config_set(struct axp20x_pek *axp20x_pek)
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{
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struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
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struct regmap *regmap = axp20x_dev->regmap;
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struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
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unsigned int val;
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regmap_read(regmap, AXP152_PEK_KEY, &val);
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if (pk_dts->pmu_powkey_on_time <= 128)
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val &= 0x3f;
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else if (pk_dts->pmu_powkey_on_time <= 1000) {
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val &= 0x3f;
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val |= 0x10;
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} else if (pk_dts->pmu_powkey_on_time <= 2000) {
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val &= 0x3f;
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val |= 0x11;
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} else {
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val &= 0x3f;
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val |= 0x01;
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}
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regmap_write(regmap, AXP152_PEK_KEY, val);
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/* pok long time set*/
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if (pk_dts->pmu_powkey_long_time < 1000)
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pk_dts->pmu_powkey_long_time = 1000;
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if (pk_dts->pmu_powkey_long_time > 2500)
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pk_dts->pmu_powkey_long_time = 2500;
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regmap_read(regmap, AXP152_PEK_KEY, &val);
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val &= 0xcf;
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val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500)
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<< 4);
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regmap_write(regmap, AXP152_PEK_KEY, val);
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/* pek offlevel poweroff en set*/
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if (pk_dts->pmu_powkey_off_en)
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pk_dts->pmu_powkey_off_en = 1;
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else
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pk_dts->pmu_powkey_off_en = 0;
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regmap_read(regmap, AXP152_PEK_KEY, &val);
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val &= 0xf7;
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val |= (pk_dts->pmu_powkey_off_en << 3);
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regmap_write(regmap, AXP152_PEK_KEY, val);
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/* pwrok time */
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if (pk_dts->pmu_pwrok_time == 64)
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regmap_update_bits(regmap, AXP152_PEK_KEY, 0x04,
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0x04); /* 64ms */
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else
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regmap_update_bits(regmap, AXP152_PEK_KEY, 0x04,
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0x00); /* 8ms */
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/* pek offlevel time set */
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if (pk_dts->pmu_powkey_off_time < 4000)
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pk_dts->pmu_powkey_off_time = 4000;
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if (pk_dts->pmu_powkey_off_time > 10000)
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pk_dts->pmu_powkey_off_time = 10000;
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regmap_read(regmap, AXP152_PEK_KEY, &val);
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val &= 0xfc;
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val |= ((pk_dts->pmu_powkey_off_time - 4000) / 2000);
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regmap_write(regmap, AXP152_PEK_KEY, val);
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return 0;
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}
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static int axp803_config_set(struct axp20x_pek *axp20x_pek)
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{
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struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
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struct regmap *regmap = axp20x_dev->regmap;
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struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
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unsigned int val;
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/* onlevel setting */
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regmap_read(regmap, AXP803_POK_SET, &val);
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if (pk_dts->pmu_powkey_on_time <= 128)
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val &= 0x3f;
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else if (pk_dts->pmu_powkey_on_time <= 1000) {
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val &= 0x3f;
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val |= 0x40;
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} else if (pk_dts->pmu_powkey_on_time <= 2000) {
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val &= 0x3f;
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val |= 0x80;
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} else {
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val &= 0x3f;
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val |= 0xc0;
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}
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regmap_write(regmap, AXP803_POK_SET, val);
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/* pok long time set*/
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if (pk_dts->pmu_powkey_long_time < 1000)
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pk_dts->pmu_powkey_long_time = 1000;
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if (pk_dts->pmu_powkey_long_time > 2500)
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pk_dts->pmu_powkey_long_time = 2500;
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regmap_read(regmap, AXP803_POK_SET, &val);
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val &= 0xcf;
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val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500)
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<< 4);
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regmap_write(regmap, AXP803_POK_SET, val);
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/* pek offlevel poweroff en set*/
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if (pk_dts->pmu_powkey_off_en)
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pk_dts->pmu_powkey_off_en = 1;
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else
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pk_dts->pmu_powkey_off_en = 0;
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regmap_read(regmap, AXP803_POK_SET, &val);
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val &= 0xf7;
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val |= (pk_dts->pmu_powkey_off_en << 3);
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regmap_write(regmap, AXP803_POK_SET, val);
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/*Init offlevel restart or not */
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if (pk_dts->pmu_powkey_off_func)
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regmap_update_bits(regmap, AXP803_POK_SET, 0x04,
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0x01); /* restart */
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else
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regmap_update_bits(regmap, AXP803_POK_SET, 0x04,
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0x00); /* not restart*/
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/* pek offlevel poweroff time set */
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if (pk_dts->pmu_powkey_off_time < 4000)
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pk_dts->pmu_powkey_off_time = 4000;
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if (pk_dts->pmu_powkey_off_time > 10000)
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pk_dts->pmu_powkey_off_time = 10000;
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regmap_read(regmap, AXP803_POK_SET, &val);
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val &= 0xfc;
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val |= ((pk_dts->pmu_powkey_off_time - 4000) / 2000);
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regmap_write(regmap, AXP803_POK_SET, val);
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return 0;
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}
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static int axp2585_config_set(struct axp20x_pek *axp20x_pek)
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{
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struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
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struct regmap *regmap = axp20x_dev->regmap;
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struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
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unsigned int val;
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/* onlevel setting */
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regmap_read(regmap, AXP2585_POK_SET, &val);
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if (pk_dts->pmu_powkey_on_time <= 628)
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val &= 0xf3;
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else if (pk_dts->pmu_powkey_on_time <= 1500) {
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val &= 0xf3;
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val |= 0x04;
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} else if (pk_dts->pmu_powkey_on_time <= 2500) {
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val &= 0xf3;
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val |= 0x08;
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} else {
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val &= 0xf3;
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val |= 0x0c;
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}
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regmap_write(regmap, AXP2585_POK_SET, val);
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/* pok long time set*/
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if (pk_dts->pmu_powkey_long_time < 1000)
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pk_dts->pmu_powkey_long_time = 1000;
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if (pk_dts->pmu_powkey_long_time > 2500)
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pk_dts->pmu_powkey_long_time = 2500;
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regmap_read(regmap, AXP2585_POK_SET, &val);
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val &= 0x3f;
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val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500)
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<< 6);
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regmap_write(regmap, AXP2585_POK_SET, val);
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/* pek offlevel poweroff time set */
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if (pk_dts->pmu_powkey_off_time < 4500)
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pk_dts->pmu_powkey_off_time = 4500;
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if (pk_dts->pmu_powkey_off_time > 10500)
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pk_dts->pmu_powkey_off_time = 10500;
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regmap_read(regmap, AXP2585_POK_SET, &val);
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val &= 0xfc;
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val |= ((pk_dts->pmu_powkey_off_time - 4500) / 2000);
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regmap_write(regmap, AXP2585_POK_SET, val);
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return 0;
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}
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static int axp2202_config_set(struct axp20x_pek *axp20x_pek)
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{
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struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
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struct regmap *regmap = axp20x_dev->regmap;
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struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
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unsigned int val;
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regmap_read(regmap, AXP2202_PONLEVEL, &val);
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if (pk_dts->pmu_powkey_on_time < 128)
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val &= 0x3C;
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else if (pk_dts->pmu_powkey_on_time < 512) {
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val &= 0x3C;
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val |= 0x01;
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} else if (pk_dts->pmu_powkey_on_time < 1000) {
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val &= 0x3C;
|
|
val |= 0x02;
|
|
} else {
|
|
val &= 0x3C;
|
|
val |= 0x03;
|
|
}
|
|
regmap_write(regmap, AXP2202_PONLEVEL, val);
|
|
|
|
/* pok long time set*/
|
|
if (pk_dts->pmu_powkey_long_time < 1000)
|
|
pk_dts->pmu_powkey_long_time = 1000;
|
|
|
|
if (pk_dts->pmu_powkey_long_time > 2500)
|
|
pk_dts->pmu_powkey_long_time = 2500;
|
|
|
|
regmap_read(regmap, AXP2202_PONLEVEL, &val);
|
|
val &= 0xcf;
|
|
val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500)
|
|
<< 4);
|
|
regmap_write(regmap, AXP2202_PONLEVEL, val);
|
|
|
|
/* pek offlevel poweroff en set*/
|
|
if (pk_dts->pmu_powkey_off_en)
|
|
pk_dts->pmu_powkey_off_en = 1;
|
|
else
|
|
pk_dts->pmu_powkey_off_en = 0;
|
|
|
|
regmap_read(regmap, AXP2202_PWROFF_EN, &val);
|
|
val &= 0xfD;
|
|
val |= (pk_dts->pmu_powkey_off_en << 1);
|
|
regmap_write(regmap, AXP2202_PWROFF_EN, val);
|
|
|
|
/*Init offlevel restart or not */
|
|
if (pk_dts->pmu_powkey_off_func)
|
|
regmap_update_bits(regmap, AXP2202_PWROFF_EN, 0x01,
|
|
0x01); /* restart */
|
|
else
|
|
regmap_update_bits(regmap, AXP2202_PWROFF_EN, 0x01,
|
|
0x00); /* power off */
|
|
|
|
/* pek delay set */
|
|
/* regmap_read(regmap, AXP2202_PWR_TIME_CTRL, &val); */
|
|
/* val &= 0xfc; */
|
|
/* if (pk_dts->pmu_pwrok_time < 32) */
|
|
/* val |= ((pk_dts->pmu_pwrok_time / 8) - 1); */
|
|
/* else */
|
|
/* val |= ((pk_dts->pmu_pwrok_time / 32) + 1); */
|
|
/* regmap_write(regmap, AXP2202_PWR_TIME_CTRL, val); */
|
|
|
|
/* pek offlevel time set */
|
|
if (pk_dts->pmu_powkey_off_time < 4000)
|
|
pk_dts->pmu_powkey_off_time = 4000;
|
|
|
|
if (pk_dts->pmu_powkey_off_time > 10000)
|
|
pk_dts->pmu_powkey_off_time = 10000;
|
|
|
|
regmap_read(regmap, AXP2202_PONLEVEL, &val);
|
|
val &= 0xf3;
|
|
val |= ((pk_dts->pmu_powkey_off_time - 4000) / 2000
|
|
<< 2);
|
|
regmap_write(regmap, AXP2202_PONLEVEL, val);
|
|
|
|
/* vbat use all channels */
|
|
/* regmap_write(regmap, AXP2202_VBAT_H, 0x40); */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp2201_config_set(struct axp20x_pek *axp20x_pek)
|
|
{
|
|
struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
|
|
struct regmap *regmap = axp20x_dev->regmap;
|
|
struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
|
|
unsigned int val;
|
|
|
|
regmap_read(regmap, axp2101_PONLEVEL, &val);
|
|
if (pk_dts->pmu_powkey_on_time < 128)
|
|
val &= 0x3C;
|
|
else if (pk_dts->pmu_powkey_on_time < 512) {
|
|
val &= 0x3C;
|
|
val |= 0x01;
|
|
} else if (pk_dts->pmu_powkey_on_time < 1000) {
|
|
val &= 0x3C;
|
|
val |= 0x02;
|
|
} else {
|
|
val &= 0x3C;
|
|
val |= 0x03;
|
|
}
|
|
regmap_write(regmap, axp2101_PONLEVEL, val);
|
|
|
|
/* pok long time set*/
|
|
if (pk_dts->pmu_powkey_long_time < 1000)
|
|
pk_dts->pmu_powkey_long_time = 1000;
|
|
|
|
if (pk_dts->pmu_powkey_long_time > 2500)
|
|
pk_dts->pmu_powkey_long_time = 2500;
|
|
|
|
regmap_read(regmap, axp2101_PONLEVEL, &val);
|
|
val &= 0xcf;
|
|
val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500)
|
|
<< 4);
|
|
regmap_write(regmap, axp2101_PONLEVEL, val);
|
|
|
|
/* pek offlevel poweroff en set*/
|
|
if (pk_dts->pmu_powkey_off_en)
|
|
pk_dts->pmu_powkey_off_en = 1;
|
|
else
|
|
pk_dts->pmu_powkey_off_en = 0;
|
|
|
|
regmap_read(regmap, axp2101_PWROFF_EN, &val);
|
|
val &= 0x0D;
|
|
val |= (pk_dts->pmu_powkey_off_en << 1);
|
|
regmap_write(regmap, axp2101_PWROFF_EN, val);
|
|
|
|
/*Init offlevel restart or not */
|
|
if (pk_dts->pmu_powkey_off_func)
|
|
regmap_update_bits(regmap, axp2101_PWROFF_EN, 0x01,
|
|
0x01); /* restart */
|
|
else
|
|
regmap_update_bits(regmap, axp2101_PWROFF_EN, 0x01,
|
|
0x00); /* not restart*/
|
|
|
|
/* pek delay set */
|
|
regmap_read(regmap, axp2101_PWR_TIME_CTRL, &val);
|
|
val &= 0xfc;
|
|
if (pk_dts->pmu_pwrok_time < 32)
|
|
val |= ((pk_dts->pmu_pwrok_time / 8) - 1);
|
|
else
|
|
val |= ((pk_dts->pmu_pwrok_time / 32) + 1);
|
|
regmap_write(regmap, axp2101_PWR_TIME_CTRL, val);
|
|
|
|
/* pek offlevel time set */
|
|
if (pk_dts->pmu_powkey_off_time < 4000)
|
|
pk_dts->pmu_powkey_off_time = 4000;
|
|
|
|
if (pk_dts->pmu_powkey_off_time > 10000)
|
|
pk_dts->pmu_powkey_off_time = 10000;
|
|
|
|
regmap_read(regmap, axp2101_PONLEVEL, &val);
|
|
val &= 0x33;
|
|
val |= ((pk_dts->pmu_powkey_off_time - 4000) / 2000
|
|
<< 2);
|
|
regmap_write(regmap, axp2101_PONLEVEL, val);
|
|
|
|
/* vbat use all channels */
|
|
regmap_write(regmap, axp2101_VBAT_H, 0x40);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp806_config_set(struct axp20x_pek *axp20x_pek)
|
|
{
|
|
struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
|
|
struct regmap *regmap = axp20x_dev->regmap;
|
|
struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
|
|
unsigned int val;
|
|
|
|
regmap_read(regmap, AXP806_POK_SET, &val);
|
|
if (pk_dts->pmu_powkey_on_time < 128)
|
|
val &= 0x3f;
|
|
else if (pk_dts->pmu_powkey_on_time < 1000) {
|
|
val &= 0x3f;
|
|
val |= 0x40;
|
|
} else if (pk_dts->pmu_powkey_on_time < 2000) {
|
|
val &= 0x3f;
|
|
val |= 0x80;
|
|
} else {
|
|
val &= 0x3f;
|
|
val |= 0xc0;
|
|
}
|
|
regmap_write(regmap, AXP806_POK_SET, val);
|
|
|
|
/* pok long time set*/
|
|
if (pk_dts->pmu_powkey_long_time < 1000)
|
|
pk_dts->pmu_powkey_long_time = 1000;
|
|
|
|
if (pk_dts->pmu_powkey_long_time > 2500)
|
|
pk_dts->pmu_powkey_long_time = 2500;
|
|
|
|
regmap_read(regmap, AXP806_POK_SET, &val);
|
|
val &= 0xcf;
|
|
val |= (((pk_dts->pmu_powkey_long_time - 1000) / 500) << 4);
|
|
regmap_write(regmap, AXP806_POK_SET, val);
|
|
|
|
/*Init offlevel restart or not */
|
|
if (pk_dts->pmu_powkey_off_func)
|
|
regmap_update_bits(regmap, AXP806_POK_SET, 0x04, 0x04); /* restart */
|
|
else
|
|
regmap_update_bits(regmap, AXP806_POK_SET, 0x04, 0x00); /* not restart*/
|
|
|
|
/* pek offlevel poweroff en set*/
|
|
if (pk_dts->pmu_powkey_off_en)
|
|
pk_dts->pmu_powkey_off_en = 1;
|
|
else
|
|
pk_dts->pmu_powkey_off_en = 0;
|
|
|
|
regmap_read(regmap, AXP806_POK_SET, &val);
|
|
val &= 0xf7;
|
|
val |= (pk_dts->pmu_powkey_off_en << 3);
|
|
regmap_write(regmap, AXP806_POK_SET, val);
|
|
|
|
/* pek offlevel time set */
|
|
if (pk_dts->pmu_powkey_off_time < 4000)
|
|
pk_dts->pmu_powkey_off_time = 4000;
|
|
|
|
if (pk_dts->pmu_powkey_off_time > 10000)
|
|
pk_dts->pmu_powkey_off_time = 10000;
|
|
|
|
regmap_read(regmap, AXP806_POK_SET, &val);
|
|
val &= 0xfc;
|
|
val |= (pk_dts->pmu_powkey_off_time - 4000) / 2000;
|
|
regmap_write(regmap, AXP806_POK_SET, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp1530_config_set(struct axp20x_pek *axp20x_pek)
|
|
{
|
|
struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
|
|
struct regmap *regmap = axp20x_dev->regmap;
|
|
struct pk_dts *pk_dts = &axp20x_pek->pk_dts;
|
|
unsigned int val;
|
|
|
|
/* pek offlevel poweroff en set*/
|
|
if (pk_dts->pmu_powkey_off_en)
|
|
pk_dts->pmu_powkey_off_en = 1;
|
|
else
|
|
pk_dts->pmu_powkey_off_en = 0;
|
|
|
|
regmap_read(regmap, AXP1530_PWROK_SET, &val);
|
|
val &= 0xFD;
|
|
val |= (pk_dts->pmu_powkey_off_en << 1);
|
|
regmap_write(regmap, AXP1530_PWROK_SET, val);
|
|
|
|
/*Init offlevel restart or not */
|
|
if (pk_dts->pmu_powkey_off_func)
|
|
regmap_update_bits(regmap, AXP1530_PWROK_SET, 0x01,
|
|
0x01); /* restart */
|
|
else
|
|
regmap_update_bits(regmap, AXP1530_PWROK_SET, 0x01,
|
|
0x00); /* power off */
|
|
|
|
/* pek offlevel time set */
|
|
if (pk_dts->pmu_powkey_off_time < 10000)
|
|
pk_dts->pmu_powkey_off_time = 0;
|
|
else
|
|
pk_dts->pmu_powkey_off_time = 1;
|
|
|
|
regmap_read(regmap, AXP1530_POK_CONRTOL, &val);
|
|
val &= 0xFD;
|
|
val |= (pk_dts->pmu_powkey_off_time << 1);
|
|
regmap_write(regmap, AXP1530_POK_CONRTOL, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void axp20x_dts_param_set(struct axp20x_pek *axp20x_pek)
|
|
{
|
|
struct axp20x_dev *axp20x_dev = axp20x_pek->axp20x;
|
|
|
|
if (!axp_powerkey_dt_parse(axp20x_pek->input->dev.parent->of_node,
|
|
&axp20x_pek->pk_dts)) {
|
|
switch (axp20x_dev->variant) {
|
|
case AXP152_ID:
|
|
axp152_config_set(axp20x_pek);
|
|
break;
|
|
case AXP2202_ID:
|
|
axp2202_config_set(axp20x_pek);
|
|
break;
|
|
case AXP2585_ID:
|
|
axp2585_config_set(axp20x_pek);
|
|
break;
|
|
case AXP803_ID:
|
|
axp803_config_set(axp20x_pek);
|
|
break;
|
|
case AXP2101_ID:
|
|
axp2201_config_set(axp20x_pek);
|
|
break;
|
|
case AXP806_ID:
|
|
axp806_config_set(axp20x_pek);
|
|
break;
|
|
case AXP1530_ID:
|
|
axp1530_config_set(axp20x_pek);
|
|
break;
|
|
default:
|
|
pr_warn("Setting power key for unsupported AXP variant\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
static int axp20x_pek_probe(struct platform_device *pdev)
|
|
{
|
|
struct axp20x_pek *axp20x_pek;
|
|
struct axp20x_dev *axp20x;
|
|
struct input_dev *idev;
|
|
int error;
|
|
|
|
axp20x_pek = devm_kzalloc(&pdev->dev, sizeof(struct axp20x_pek),
|
|
GFP_KERNEL);
|
|
if (!axp20x_pek)
|
|
return -ENOMEM;
|
|
|
|
axp20x_pek->axp20x = dev_get_drvdata(pdev->dev.parent);
|
|
axp20x = axp20x_pek->axp20x;
|
|
|
|
if (!axp20x->irq) {
|
|
pr_err("axp2101-pek can not register without irq\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
axp20x_pek->irq_dbr = platform_get_irq_byname(pdev, "PEK_DBR");
|
|
if (axp20x_pek->irq_dbr < 0) {
|
|
dev_err(&pdev->dev, "No IRQ for PEK_DBR, error=%d\n",
|
|
axp20x_pek->irq_dbr);
|
|
return axp20x_pek->irq_dbr;
|
|
}
|
|
axp20x_pek->irq_dbr = regmap_irq_get_virq(axp20x->regmap_irqc,
|
|
axp20x_pek->irq_dbr);
|
|
|
|
axp20x_pek->irq_dbf = platform_get_irq_byname(pdev, "PEK_DBF");
|
|
if (axp20x_pek->irq_dbf < 0) {
|
|
dev_err(&pdev->dev, "No IRQ for PEK_DBF, error=%d\n",
|
|
axp20x_pek->irq_dbf);
|
|
return axp20x_pek->irq_dbf;
|
|
}
|
|
axp20x_pek->irq_dbf = regmap_irq_get_virq(axp20x->regmap_irqc,
|
|
axp20x_pek->irq_dbf);
|
|
|
|
axp20x_pek->input = devm_input_allocate_device(&pdev->dev);
|
|
if (!axp20x_pek->input)
|
|
return -ENOMEM;
|
|
|
|
idev = axp20x_pek->input;
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP2585_ID:
|
|
idev->name = "axp2585-pek";
|
|
break;
|
|
case AXP2202_ID:
|
|
idev->name = "axp2202-pek";
|
|
break;
|
|
case AXP152_ID:
|
|
idev->name = "axp152-pek";
|
|
break;
|
|
case AXP803_ID:
|
|
idev->name = "axp803-pek";
|
|
break;
|
|
case AXP806_ID:
|
|
idev->name = "axp806-pek";
|
|
break;
|
|
default:
|
|
idev->name = "axp2101-pek";
|
|
break;
|
|
}
|
|
|
|
idev->phys = "m1kbd/input2";
|
|
idev->dev.parent = &pdev->dev;
|
|
|
|
input_set_capability(idev, EV_KEY, KEY_POWER);
|
|
set_bit(EV_REP, idev->evbit);
|
|
|
|
input_set_drvdata(idev, axp20x_pek);
|
|
|
|
axp20x_dts_param_set(axp20x_pek);
|
|
error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbr,
|
|
axp20x_pek_irq, 0,
|
|
"axp20x-pek-dbr", idev);
|
|
if (error < 0) {
|
|
dev_err(axp20x->dev, "Failed to request dbr IRQ#%d: %d\n",
|
|
axp20x_pek->irq_dbr, error);
|
|
return error;
|
|
}
|
|
|
|
error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbf,
|
|
axp20x_pek_irq, 0,
|
|
"axp20x-pek-dbf", idev);
|
|
if (error < 0) {
|
|
dev_err(axp20x->dev, "Failed to request dbf IRQ#%d: %d\n",
|
|
axp20x_pek->irq_dbf, error);
|
|
return error;
|
|
}
|
|
|
|
if (axp20x->variant == AXP2101_ID) {
|
|
error = sysfs_create_group(&pdev->dev.kobj,
|
|
&axp20x_attribute_group);
|
|
if (error) {
|
|
dev_err(axp20x->dev,
|
|
"Failed to create sysfs attributes: %d\n",
|
|
error);
|
|
return error;
|
|
}
|
|
|
|
error = devm_add_action(&pdev->dev, axp20x_remove_sysfs_group,
|
|
&pdev->dev);
|
|
if (error) {
|
|
axp20x_remove_sysfs_group(&pdev->dev);
|
|
dev_err(&pdev->dev,
|
|
"Failed to add sysfs cleanup action: %d\n",
|
|
error);
|
|
return error;
|
|
}
|
|
}
|
|
|
|
error = input_register_device(idev);
|
|
if (error) {
|
|
dev_err(axp20x->dev, "Can't register input device: %d\n",
|
|
error);
|
|
return error;
|
|
}
|
|
|
|
platform_set_drvdata(pdev, axp20x_pek);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp20x_pek_remove(struct platform_device *pdev)
|
|
{
|
|
struct axp20x_pek *axp20x_pek = platform_get_drvdata(pdev);
|
|
struct axp20x_dev *axp20x = axp20x_pek->axp20x;
|
|
|
|
if (axp20x->variant == AXP2101_ID) {
|
|
axp20x_remove_sysfs_group(&pdev->dev);
|
|
}
|
|
|
|
input_unregister_device(axp20x_pek->input);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp2101_powerkey_suspend(struct device *dev)
|
|
{
|
|
struct platform_device *pdev = to_platform_device(dev);
|
|
struct axp20x_pek *axp20x_pek = platform_get_drvdata(pdev);
|
|
|
|
if (!axp20x_pek->pk_dts.pmu_powkey_wakeup_rising) {
|
|
disable_irq(axp20x_pek->irq_dbr);
|
|
}
|
|
|
|
if (!axp20x_pek->pk_dts.pmu_powkey_wakeup_falling) {
|
|
disable_irq(axp20x_pek->irq_dbf);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int axp2101_powerkey_resume(struct device *dev)
|
|
{
|
|
struct platform_device *pdev = to_platform_device(dev);
|
|
struct axp20x_pek *axp20x_pek = platform_get_drvdata(pdev);
|
|
|
|
if (!axp20x_pek->pk_dts.pmu_powkey_wakeup_rising) {
|
|
enable_irq(axp20x_pek->irq_dbr);
|
|
}
|
|
|
|
if (!axp20x_pek->pk_dts.pmu_powkey_wakeup_falling) {
|
|
enable_irq(axp20x_pek->irq_dbf);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops axp2101_powerkey_pm_ops = {
|
|
.suspend = axp2101_powerkey_suspend,
|
|
.resume = axp2101_powerkey_resume,
|
|
};
|
|
|
|
static struct of_device_id axp_match_table[] = {
|
|
{ .compatible = "x-powers,axp2585-pek" },
|
|
{ .compatible = "x-powers,axp2202-pek" },
|
|
{ .compatible = "x-powers,axp803-pek" },
|
|
{ .compatible = "x-powers,axp806-pek" },
|
|
{ .compatible = "x-powers,axp152-pek" },
|
|
{ /* sentinel */ },
|
|
};
|
|
|
|
static struct platform_driver axp20x_pek_driver = {
|
|
.probe = axp20x_pek_probe,
|
|
.remove = axp20x_pek_remove,
|
|
.driver = {
|
|
.of_match_table = axp_match_table,
|
|
.name = "axp2101-pek",
|
|
.pm = &axp2101_powerkey_pm_ops,
|
|
},
|
|
};
|
|
module_platform_driver(axp20x_pek_driver);
|
|
|
|
MODULE_DESCRIPTION("axp2101 Power Button");
|
|
MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:axp2101-pek");
|