^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) * File: drivers/input/keyboard/adp5588_keys.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Description: keypad driver for ADP5588 and ADP5587
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * I2C QWERTY Keypad and IO Expander
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Bugs: Enter bugs at http://blackfin.uclinux.org/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2008-2010 Analog Devices Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/pm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/platform_data/adp5588.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* Key Event Register xy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define KEY_EV_PRESSED (1 << 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define KEY_EV_MASK (0x7F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define KP_SEL(x) (0xFFFF >> (16 - x)) /* 2^x-1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define KEYP_MAX_EVENT 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * Early pre 4.0 Silicon required to delay readout by at least 25ms,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * since the Event Counter Register updated 25ms after the interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * asserted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define WA_DELAYED_READOUT_REVID(rev) ((rev) < 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct adp5588_kpad {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct delayed_work work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) unsigned long delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned short keycode[ADP5588_KEYMAPSIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) const struct adp5588_gpi_map *gpimap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) unsigned short gpimapsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #ifdef CONFIG_GPIOLIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) unsigned char gpiomap[ADP5588_MAXGPIO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) bool export_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct gpio_chip gc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct mutex gpio_lock; /* Protect cached dir, dat_out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 dat_out[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 dir[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static int adp5588_read(struct i2c_client *client, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int ret = i2c_smbus_read_byte_data(client, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) dev_err(&client->dev, "Read Error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return i2c_smbus_write_byte_data(client, reg, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #ifdef CONFIG_GPIOLIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct adp5588_kpad *kpad = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) mutex_lock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (kpad->dir[bank] & bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) val = kpad->dat_out[bank];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) val = adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) mutex_unlock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return !!(val & bit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static void adp5588_gpio_set_value(struct gpio_chip *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned off, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct adp5588_kpad *kpad = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) mutex_lock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) kpad->dat_out[bank] |= bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) kpad->dat_out[bank] &= ~bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) kpad->dat_out[bank]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) mutex_unlock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct adp5588_kpad *kpad = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) mutex_lock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) kpad->dir[bank] &= ~bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) mutex_unlock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int adp5588_gpio_direction_output(struct gpio_chip *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) unsigned off, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct adp5588_kpad *kpad = gpiochip_get_data(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) mutex_lock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) kpad->dir[bank] |= bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) kpad->dat_out[bank] |= bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) kpad->dat_out[bank] &= ~bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) ret = adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) kpad->dat_out[bank]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ret |= adp5588_write(kpad->client, GPIO_DIR1 + bank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) kpad->dir[bank]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) mutex_unlock(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) const struct adp5588_kpad_platform_data *pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) bool pin_used[ADP5588_MAXGPIO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int n_unused = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) memset(pin_used, 0, sizeof(pin_used));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) for (i = 0; i < pdata->rows; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) pin_used[i] = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) for (i = 0; i < pdata->cols; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) pin_used[i + GPI_PIN_COL_BASE - GPI_PIN_BASE] = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) for (i = 0; i < kpad->gpimapsize; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) for (i = 0; i < ADP5588_MAXGPIO; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (!pin_used[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) kpad->gpiomap[n_unused++] = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return n_unused;
^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) static int adp5588_gpio_add(struct adp5588_kpad *kpad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct device *dev = &kpad->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) int i, error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (!gpio_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) kpad->gc.ngpio = adp5588_build_gpiomap(kpad, pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (kpad->gc.ngpio == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) dev_info(dev, "No unused gpios left to export\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) kpad->export_gpio = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) kpad->gc.direction_input = adp5588_gpio_direction_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) kpad->gc.direction_output = adp5588_gpio_direction_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) kpad->gc.get = adp5588_gpio_get_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) kpad->gc.set = adp5588_gpio_set_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) kpad->gc.can_sleep = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) kpad->gc.base = gpio_data->gpio_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) kpad->gc.label = kpad->client->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) kpad->gc.owner = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) kpad->gc.names = gpio_data->names;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) mutex_init(&kpad->gpio_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) error = gpiochip_add_data(&kpad->gc, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) dev_err(dev, "gpiochip_add failed, err: %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) kpad->dat_out[i] = adp5588_read(kpad->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) GPIO_DAT_OUT1 + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (gpio_data->setup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) error = gpio_data->setup(kpad->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) kpad->gc.base, kpad->gc.ngpio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) gpio_data->context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dev_warn(dev, "setup failed, %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static void adp5588_gpio_remove(struct adp5588_kpad *kpad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) struct device *dev = &kpad->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (!kpad->export_gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (gpio_data->teardown) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) error = gpio_data->teardown(kpad->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) kpad->gc.base, kpad->gc.ngpio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) gpio_data->context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) dev_warn(dev, "teardown failed %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) gpiochip_remove(&kpad->gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) static inline int adp5588_gpio_add(struct adp5588_kpad *kpad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static inline void adp5588_gpio_remove(struct adp5588_kpad *kpad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) for (i = 0; i < ev_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) int key = adp5588_read(kpad->client, Key_EVENTA + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) int key_val = key & KEY_EV_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) for (j = 0; j < kpad->gpimapsize; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (key_val == kpad->gpimap[j].pin) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) input_report_switch(kpad->input,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) kpad->gpimap[j].sw_evt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) key & KEY_EV_PRESSED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) input_report_key(kpad->input,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) kpad->keycode[key_val - 1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) key & KEY_EV_PRESSED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static void adp5588_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct adp5588_kpad *kpad = container_of(work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) struct adp5588_kpad, work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct i2c_client *client = kpad->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) int status, ev_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) status = adp5588_read(client, INT_STAT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) dev_err(&client->dev, "Event Overflow Error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (status & ADP5588_KE_INT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (ev_cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) adp5588_report_events(kpad, ev_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) input_sync(kpad->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) adp5588_write(client, INT_STAT, status); /* Status is W1C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static irqreturn_t adp5588_irq(int irq, void *handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct adp5588_kpad *kpad = handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) * use keventd context to read the event fifo registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * Schedule readout at least 25ms after notification for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * REVID < 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) schedule_delayed_work(&kpad->work, kpad->delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static int adp5588_setup(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) const struct adp5588_kpad_platform_data *pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) ret |= adp5588_write(client, KP_GPIO3, KP_SEL(pdata->cols) >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (pdata->en_keylock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) for (i = 0; i < KEYP_MAX_EVENT; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ret |= adp5588_read(client, Key_EVENTA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) for (i = 0; i < pdata->gpimapsize; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) unsigned short pin = pdata->gpimap[i].pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (pin <= GPI_PIN_ROW_END) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) evt_mode1 |= (1 << (pin - GPI_PIN_ROW_BASE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) evt_mode2 |= ((1 << (pin - GPI_PIN_COL_BASE)) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) evt_mode3 |= ((1 << (pin - GPI_PIN_COL_BASE)) >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (pdata->gpimapsize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ret |= adp5588_write(client, GPI_EM1, evt_mode1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ret |= adp5588_write(client, GPI_EM2, evt_mode2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ret |= adp5588_write(client, GPI_EM3, evt_mode3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (gpio_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) int pull_mask = gpio_data->pullup_dis_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) ret |= adp5588_write(client, GPIO_PULL1 + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) (pull_mask >> (8 * i)) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ret |= adp5588_write(client, INT_STAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ADP5588_CMP2_INT | ADP5588_CMP1_INT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ret |= adp5588_write(client, CFG, ADP5588_INT_CFG |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ADP5588_OVR_FLOW_IEN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) ADP5588_KE_IEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) dev_err(&client->dev, "Write Error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static void adp5588_report_switch_state(struct adp5588_kpad *kpad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) int gpi_stat1 = adp5588_read(kpad->client, GPIO_DAT_STAT1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) int gpi_stat2 = adp5588_read(kpad->client, GPIO_DAT_STAT2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) int gpi_stat3 = adp5588_read(kpad->client, GPIO_DAT_STAT3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) int gpi_stat_tmp, pin_loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) for (i = 0; i < kpad->gpimapsize; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) unsigned short pin = kpad->gpimap[i].pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) if (pin <= GPI_PIN_ROW_END) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) gpi_stat_tmp = gpi_stat1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) pin_loc = pin - GPI_PIN_ROW_BASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) } else if ((pin - GPI_PIN_COL_BASE) < 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) gpi_stat_tmp = gpi_stat2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) pin_loc = pin - GPI_PIN_COL_BASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) gpi_stat_tmp = gpi_stat3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) pin_loc = pin - GPI_PIN_COL_BASE - 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (gpi_stat_tmp < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) dev_err(&kpad->client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) "Can't read GPIO_DAT_STAT switch %d default to OFF\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) pin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) gpi_stat_tmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) input_report_switch(kpad->input,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) kpad->gpimap[i].sw_evt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) !(gpi_stat_tmp & (1 << pin_loc)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) input_sync(kpad->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static int adp5588_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) struct adp5588_kpad *kpad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) const struct adp5588_kpad_platform_data *pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) unsigned int revid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) I2C_FUNC_SMBUS_BYTE_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (!pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) dev_err(&client->dev, "no platform data?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (!pdata->rows || !pdata->cols || !pdata->keymap) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) dev_err(&client->dev, "no rows, cols or keymap from pdata\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (pdata->keymapsize != ADP5588_KEYMAPSIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) dev_err(&client->dev, "invalid keymapsize\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (!pdata->gpimap && pdata->gpimapsize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) dev_err(&client->dev, "invalid gpimap from pdata\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) if (pdata->gpimapsize > ADP5588_GPIMAPSIZE_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) dev_err(&client->dev, "invalid gpimapsize\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) for (i = 0; i < pdata->gpimapsize; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) unsigned short pin = pdata->gpimap[i].pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (pin < GPI_PIN_BASE || pin > GPI_PIN_END) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) dev_err(&client->dev, "invalid gpi pin data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (pin <= GPI_PIN_ROW_END) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (pin - GPI_PIN_ROW_BASE + 1 <= pdata->rows) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) dev_err(&client->dev, "invalid gpi row data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) if (pin - GPI_PIN_COL_BASE + 1 <= pdata->cols) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) dev_err(&client->dev, "invalid gpi col data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (!client->irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) dev_err(&client->dev, "no IRQ?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) input = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (!kpad || !input) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) error = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) goto err_free_mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) kpad->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) kpad->input = input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) INIT_DELAYED_WORK(&kpad->work, adp5588_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) ret = adp5588_read(client, DEV_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) error = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) goto err_free_mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) revid = (u8) ret & ADP5588_DEVICE_ID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) if (WA_DELAYED_READOUT_REVID(revid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) kpad->delay = msecs_to_jiffies(30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) input->name = client->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) input->phys = "adp5588-keys/input0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) input->dev.parent = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) input_set_drvdata(input, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) input->id.bustype = BUS_I2C;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) input->id.vendor = 0x0001;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) input->id.product = 0x0001;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) input->id.version = revid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) input->keycodesize = sizeof(kpad->keycode[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) input->keycodemax = pdata->keymapsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) input->keycode = kpad->keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) memcpy(kpad->keycode, pdata->keymap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) pdata->keymapsize * input->keycodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) kpad->gpimap = pdata->gpimap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) kpad->gpimapsize = pdata->gpimapsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) /* setup input device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) __set_bit(EV_KEY, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (pdata->repeat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) __set_bit(EV_REP, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) for (i = 0; i < input->keycodemax; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (kpad->keycode[i] <= KEY_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) __set_bit(kpad->keycode[i], input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) __clear_bit(KEY_RESERVED, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (kpad->gpimapsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) __set_bit(EV_SW, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) for (i = 0; i < kpad->gpimapsize; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) __set_bit(kpad->gpimap[i].sw_evt, input->swbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) error = input_register_device(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) dev_err(&client->dev, "unable to register input device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) goto err_free_mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) error = request_irq(client->irq, adp5588_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) IRQF_TRIGGER_FALLING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) client->dev.driver->name, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) dev_err(&client->dev, "irq %d busy?\n", client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) goto err_unreg_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) error = adp5588_setup(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) goto err_free_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (kpad->gpimapsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) adp5588_report_switch_state(kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) error = adp5588_gpio_add(kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) goto err_free_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) device_init_wakeup(&client->dev, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) i2c_set_clientdata(client, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) err_free_irq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) free_irq(client->irq, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) cancel_delayed_work_sync(&kpad->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) err_unreg_dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) input_unregister_device(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) input = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) err_free_mem:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) input_free_device(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) kfree(kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) static int adp5588_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) struct adp5588_kpad *kpad = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) adp5588_write(client, CFG, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) free_irq(client->irq, kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) cancel_delayed_work_sync(&kpad->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) input_unregister_device(kpad->input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) adp5588_gpio_remove(kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) kfree(kpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) static int adp5588_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) struct adp5588_kpad *kpad = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) struct i2c_client *client = kpad->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) disable_irq(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) cancel_delayed_work_sync(&kpad->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) if (device_may_wakeup(&client->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) enable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) static int adp5588_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) struct adp5588_kpad *kpad = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) struct i2c_client *client = kpad->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) if (device_may_wakeup(&client->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) disable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) enable_irq(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static const struct dev_pm_ops adp5588_dev_pm_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) .suspend = adp5588_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) .resume = adp5588_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) static const struct i2c_device_id adp5588_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) { "adp5588-keys", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) { "adp5587-keys", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) MODULE_DEVICE_TABLE(i2c, adp5588_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) static struct i2c_driver adp5588_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) .name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) .pm = &adp5588_dev_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) .probe = adp5588_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) .remove = adp5588_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) .id_table = adp5588_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) module_i2c_driver(adp5588_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) MODULE_DESCRIPTION("ADP5588/87 Keypad driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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