^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * OnKey device driver for DA9063, DA9062 and DA9061 PMICs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2015 Dialog Semiconductor Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/mfd/da9063/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/mfd/da9063/registers.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/mfd/da9062/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/mfd/da9062/registers.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct da906x_chip_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* REGS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) int onkey_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) int onkey_pwr_signalling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int onkey_fault_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int onkey_shutdown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* MASKS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int onkey_nonkey_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int onkey_nonkey_lock_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int onkey_key_reset_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int onkey_shutdown_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* NAMES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct da9063_onkey {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct delayed_work work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) const struct da906x_chip_config *config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) char phys[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) bool key_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static const struct da906x_chip_config da9063_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* REGS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .onkey_status = DA9063_REG_STATUS_A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .onkey_pwr_signalling = DA9063_REG_CONTROL_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .onkey_fault_log = DA9063_REG_FAULT_LOG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .onkey_shutdown = DA9063_REG_CONTROL_F,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* MASKS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .onkey_nonkey_mask = DA9063_NONKEY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .onkey_nonkey_lock_mask = DA9063_NONKEY_LOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .onkey_key_reset_mask = DA9063_KEY_RESET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .onkey_shutdown_mask = DA9063_SHUTDOWN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* NAMES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .name = DA9063_DRVNAME_ONKEY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static const struct da906x_chip_config da9062_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* REGS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .onkey_status = DA9062AA_STATUS_A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .onkey_pwr_signalling = DA9062AA_CONTROL_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .onkey_fault_log = DA9062AA_FAULT_LOG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .onkey_shutdown = DA9062AA_CONTROL_F,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* MASKS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .onkey_nonkey_mask = DA9062AA_NONKEY_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .onkey_nonkey_lock_mask = DA9062AA_NONKEY_LOCK_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .onkey_key_reset_mask = DA9062AA_KEY_RESET_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .onkey_shutdown_mask = DA9062AA_SHUTDOWN_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /* NAMES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .name = "da9062-onkey",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static const struct of_device_id da9063_compatible_reg_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) { .compatible = "dlg,da9063-onkey", .data = &da9063_regs },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) { .compatible = "dlg,da9062-onkey", .data = &da9062_regs },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) MODULE_DEVICE_TABLE(of, da9063_compatible_reg_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static void da9063_poll_on(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct da9063_onkey *onkey = container_of(work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct da9063_onkey,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) const struct da906x_chip_config *config = onkey->config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int fault_log = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) bool poll = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* Poll to see when the pin is released */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) error = regmap_read(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) config->onkey_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) dev_err(onkey->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) "Failed to read ON status: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) goto err_poll;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (!(val & config->onkey_nonkey_mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) error = regmap_update_bits(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) config->onkey_pwr_signalling,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) config->onkey_nonkey_lock_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) dev_err(onkey->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) "Failed to reset the Key Delay %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) goto err_poll;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) input_report_key(onkey->input, KEY_POWER, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) input_sync(onkey->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) poll = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * If the fault log KEY_RESET is detected, then clear it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * and shut down the system.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) error = regmap_read(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) config->onkey_fault_log,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) &fault_log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) dev_warn(&onkey->input->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) "Cannot read FAULT_LOG: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) } else if (fault_log & config->onkey_key_reset_mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) error = regmap_write(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) config->onkey_fault_log,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) config->onkey_key_reset_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) dev_warn(&onkey->input->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) "Cannot reset KEY_RESET fault log: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) /* at this point we do any S/W housekeeping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * and then send shutdown command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) dev_dbg(&onkey->input->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) "Sending SHUTDOWN to PMIC ...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) error = regmap_write(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) config->onkey_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) config->onkey_shutdown_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) dev_err(&onkey->input->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) "Cannot SHUTDOWN PMIC: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) err_poll:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (poll)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) schedule_delayed_work(&onkey->work, msecs_to_jiffies(50));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static irqreturn_t da9063_onkey_irq_handler(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct da9063_onkey *onkey = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) const struct da906x_chip_config *config = onkey->config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) error = regmap_read(onkey->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) config->onkey_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (onkey->key_power && !error && (val & config->onkey_nonkey_mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) input_report_key(onkey->input, KEY_POWER, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) input_sync(onkey->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) schedule_delayed_work(&onkey->work, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) dev_dbg(onkey->dev, "KEY_POWER long press.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) input_report_key(onkey->input, KEY_POWER, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) input_sync(onkey->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) input_report_key(onkey->input, KEY_POWER, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) input_sync(onkey->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) dev_dbg(onkey->dev, "KEY_POWER short press.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static void da9063_cancel_poll(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct da9063_onkey *onkey = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) cancel_delayed_work_sync(&onkey->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static int da9063_onkey_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct da9063_onkey *onkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) const struct of_device_id *match;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) match = of_match_node(da9063_compatible_reg_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) pdev->dev.of_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (!match)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) onkey = devm_kzalloc(&pdev->dev, sizeof(struct da9063_onkey),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (!onkey) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) dev_err(&pdev->dev, "Failed to allocate memory.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) onkey->config = match->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) onkey->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) onkey->regmap = dev_get_regmap(pdev->dev.parent, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (!onkey->regmap) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) dev_err(&pdev->dev, "Parent regmap unavailable.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) onkey->key_power = !of_property_read_bool(pdev->dev.of_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) "dlg,disable-key-power");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) onkey->input = devm_input_allocate_device(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (!onkey->input) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) dev_err(&pdev->dev, "Failed to allocated input device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) onkey->input->name = onkey->config->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) snprintf(onkey->phys, sizeof(onkey->phys), "%s/input0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) onkey->config->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) onkey->input->phys = onkey->phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) onkey->input->dev.parent = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) input_set_capability(onkey->input, EV_KEY, KEY_POWER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) INIT_DELAYED_WORK(&onkey->work, da9063_poll_on);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) error = devm_add_action(&pdev->dev, da9063_cancel_poll, onkey);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) "Failed to add cancel poll action: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) irq = platform_get_irq_byname(pdev, "ONKEY");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (irq < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) error = devm_request_threaded_irq(&pdev->dev, irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) NULL, da9063_onkey_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) IRQF_TRIGGER_LOW | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) "ONKEY", onkey);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) "Failed to request IRQ %d: %d\n", irq, error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) error = input_register_device(onkey->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) "Failed to register input device: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) static struct platform_driver da9063_onkey_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) .probe = da9063_onkey_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) .name = DA9063_DRVNAME_ONKEY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .of_match_table = da9063_compatible_reg_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) module_platform_driver(da9063_onkey_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) MODULE_DESCRIPTION("Onkey device driver for Dialog DA9063, DA9062 and DA9061");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) MODULE_ALIAS("platform:" DA9063_DRVNAME_ONKEY);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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