^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Base driver for Marvell 88PM805
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2012 Marvell International Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Haojian Zhuang <haojian.zhuang@marvell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Joseph(Yossi) Hanin <yhanin@marvell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Qiao Zhou <zhouqiao@marvell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This file is subject to the terms and conditions of the GNU General
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Public License. See the file "COPYING" in the main directory of this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * archive for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * along with this program; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/mfd/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/mfd/88pm80x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static const struct i2c_device_id pm80x_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {"88PM805", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {} /* NULL terminated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* Interrupt Number in 88PM805 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) PM805_IRQ_LDO_OFF, /*0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) PM805_IRQ_SRC_DPLL_LOCK, /*1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) PM805_IRQ_CLIP_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) PM805_IRQ_MIC_CONFLICT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) PM805_IRQ_HP2_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) PM805_IRQ_HP1_SHRT, /*5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) PM805_IRQ_FINE_PLL_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) PM805_IRQ_RAW_PLL_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) PM805_IRQ_VOLP_BTN_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) PM805_IRQ_VOLM_BTN_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) PM805_IRQ_SHRT_BTN_DET, /*10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) PM805_IRQ_MIC_DET, /*11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) PM805_MAX_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct resource codec_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* Headset microphone insertion or removal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .name = "micin",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .start = PM805_IRQ_MIC_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .end = PM805_IRQ_MIC_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /* Audio short HP1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .name = "audio-short1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .start = PM805_IRQ_HP1_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .end = PM805_IRQ_HP1_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Audio short HP2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .name = "audio-short2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .start = PM805_IRQ_HP2_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .end = PM805_IRQ_HP2_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) },
^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) static const struct mfd_cell codec_devs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .name = "88pm80x-codec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .num_resources = ARRAY_SIZE(codec_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .resources = &codec_resources[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static struct regmap_irq pm805_irqs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* INT0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) [PM805_IRQ_LDO_OFF] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .mask = PM805_INT1_HP1_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) [PM805_IRQ_SRC_DPLL_LOCK] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .mask = PM805_INT1_HP2_SHRT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) [PM805_IRQ_CLIP_FAULT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .mask = PM805_INT1_MIC_CONFLICT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) [PM805_IRQ_MIC_CONFLICT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .mask = PM805_INT1_CLIP_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) [PM805_IRQ_HP2_SHRT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .mask = PM805_INT1_LDO_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) [PM805_IRQ_HP1_SHRT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .mask = PM805_INT1_SRC_DPLL_LOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* INT1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) [PM805_IRQ_FINE_PLL_FAULT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .mask = PM805_INT2_MIC_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) [PM805_IRQ_RAW_PLL_FAULT] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .mask = PM805_INT2_SHRT_BTN_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) [PM805_IRQ_VOLP_BTN_DET] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .mask = PM805_INT2_VOLM_BTN_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) [PM805_IRQ_VOLM_BTN_DET] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .mask = PM805_INT2_VOLP_BTN_DET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) [PM805_IRQ_SHRT_BTN_DET] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .mask = PM805_INT2_RAW_PLL_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) [PM805_IRQ_MIC_DET] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .reg_offset = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .mask = PM805_INT2_FINE_PLL_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static int device_irq_init_805(struct pm80x_chip *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct regmap *map = chip->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) unsigned long flags = IRQF_ONESHOT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int data, mask, ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (!map || !chip->irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) dev_err(chip->dev, "incorrect parameters\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * irq_mode defines the way of clearing interrupt. it's read-clear by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * default.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) mask =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) PM805_STATUS0_INT_CLEAR | PM805_STATUS0_INV_INT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) PM800_STATUS0_INT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) data = PM805_STATUS0_INT_CLEAR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) ret = regmap_update_bits(map, PM805_INT_STATUS0, mask, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * PM805_INT_STATUS is under 32K clock domain, so need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * add proper delay before the next I2C register access.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) usleep_range(1000, 3000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ret =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) regmap_add_irq_chip(chip->regmap, chip->irq, flags, -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) chip->regmap_irq_chip, &chip->irq_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static void device_irq_exit_805(struct pm80x_chip *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) regmap_del_irq_chip(chip->irq, chip->irq_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static struct regmap_irq_chip pm805_irq_chip = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .name = "88pm805",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) .irqs = pm805_irqs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .num_irqs = ARRAY_SIZE(pm805_irqs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .num_regs = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .status_base = PM805_INT_STATUS1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .mask_base = PM805_INT_MASK1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .ack_base = PM805_INT_STATUS1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int device_805_init(struct pm80x_chip *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct regmap *map = chip->regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (!map) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) dev_err(chip->dev, "regmap is invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) chip->regmap_irq_chip = &pm805_irq_chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ret = device_irq_init_805(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) dev_err(chip->dev, "Failed to init pm805 irq!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) goto out_irq_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ARRAY_SIZE(codec_devs), &codec_resources[0], 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) dev_err(chip->dev, "Failed to add codec subdev\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) goto out_codec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) dev_info(chip->dev, "[%s]:Added mfd codec_devs\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) out_codec:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) device_irq_exit_805(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) out_irq_init:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return ret;
^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) static int pm805_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) struct pm80x_chip *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) struct pm80x_platform_data *pdata = dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ret = pm80x_init(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) dev_err(&client->dev, "pm805_init fail!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) goto out_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) chip = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) ret = device_805_init(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) dev_err(chip->dev, "Failed to initialize 88pm805 devices\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) goto err_805_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (pdata && pdata->plat_config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) pdata->plat_config(chip, pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) err_805_init:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) pm80x_deinit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) out_init:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static int pm805_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct pm80x_chip *chip = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) mfd_remove_devices(chip->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) device_irq_exit_805(chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) pm80x_deinit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static struct i2c_driver pm805_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) .name = "88PM805",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) .pm = &pm80x_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) .probe = pm805_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) .remove = pm805_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) .id_table = pm80x_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static int __init pm805_i2c_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) return i2c_add_driver(&pm805_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) subsys_initcall(pm805_i2c_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static void __exit pm805_i2c_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) i2c_del_driver(&pm805_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) module_exit(pm805_i2c_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM805");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) MODULE_AUTHOR("Qiao Zhou <zhouqiao@marvell.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) MODULE_LICENSE("GPL");