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1282 lines
34 KiB
1282 lines
34 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Base driver for Marvell 88PM8607 |
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* |
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* Copyright (C) 2009 Marvell International Ltd. |
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* |
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* Author: Haojian Zhuang <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/err.h> |
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#include <linux/i2c.h> |
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#include <linux/irq.h> |
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#include <linux/interrupt.h> |
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#include <linux/irqdomain.h> |
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#include <linux/of.h> |
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#include <linux/of_platform.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/mfd/core.h> |
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#include <linux/mfd/88pm860x.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/power/charger-manager.h> |
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#define INT_STATUS_NUM 3 |
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static const struct resource bk0_resources[] = { |
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{2, 2, "duty cycle", IORESOURCE_REG, }, |
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{3, 3, "always on", IORESOURCE_REG, }, |
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{3, 3, "current", IORESOURCE_REG, }, |
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}; |
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static const struct resource bk1_resources[] = { |
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{4, 4, "duty cycle", IORESOURCE_REG, }, |
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{5, 5, "always on", IORESOURCE_REG, }, |
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{5, 5, "current", IORESOURCE_REG, }, |
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}; |
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static const struct resource bk2_resources[] = { |
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{6, 6, "duty cycle", IORESOURCE_REG, }, |
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{7, 7, "always on", IORESOURCE_REG, }, |
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{5, 5, "current", IORESOURCE_REG, }, |
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}; |
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static const struct resource led0_resources[] = { |
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/* RGB1 Red LED */ |
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{0xd, 0xd, "control", IORESOURCE_REG, }, |
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{0xc, 0xc, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource led1_resources[] = { |
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/* RGB1 Green LED */ |
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{0xe, 0xe, "control", IORESOURCE_REG, }, |
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{0xc, 0xc, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource led2_resources[] = { |
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/* RGB1 Blue LED */ |
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{0xf, 0xf, "control", IORESOURCE_REG, }, |
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{0xc, 0xc, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource led3_resources[] = { |
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/* RGB2 Red LED */ |
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{0x9, 0x9, "control", IORESOURCE_REG, }, |
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{0x8, 0x8, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource led4_resources[] = { |
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/* RGB2 Green LED */ |
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{0xa, 0xa, "control", IORESOURCE_REG, }, |
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{0x8, 0x8, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource led5_resources[] = { |
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/* RGB2 Blue LED */ |
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{0xb, 0xb, "control", IORESOURCE_REG, }, |
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{0x8, 0x8, "blink", IORESOURCE_REG, }, |
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}; |
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static const struct resource buck1_resources[] = { |
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{0x24, 0x24, "buck set", IORESOURCE_REG, }, |
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}; |
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static const struct resource buck2_resources[] = { |
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{0x25, 0x25, "buck set", IORESOURCE_REG, }, |
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}; |
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static const struct resource buck3_resources[] = { |
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{0x26, 0x26, "buck set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo1_resources[] = { |
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{0x10, 0x10, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo2_resources[] = { |
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{0x11, 0x11, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo3_resources[] = { |
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{0x12, 0x12, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo4_resources[] = { |
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{0x13, 0x13, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo5_resources[] = { |
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{0x14, 0x14, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo6_resources[] = { |
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{0x15, 0x15, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo7_resources[] = { |
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{0x16, 0x16, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo8_resources[] = { |
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{0x17, 0x17, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo9_resources[] = { |
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{0x18, 0x18, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo10_resources[] = { |
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{0x19, 0x19, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo12_resources[] = { |
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{0x1a, 0x1a, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo_vibrator_resources[] = { |
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{0x28, 0x28, "ldo set", IORESOURCE_REG, }, |
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}; |
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static const struct resource ldo14_resources[] = { |
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{0x1b, 0x1b, "ldo set", IORESOURCE_REG, }, |
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}; |
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static struct resource touch_resources[] = { |
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{PM8607_IRQ_PEN, PM8607_IRQ_PEN, "touch", IORESOURCE_IRQ,}, |
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}; |
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static struct resource onkey_resources[] = { |
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{PM8607_IRQ_ONKEY, PM8607_IRQ_ONKEY, "onkey", IORESOURCE_IRQ,}, |
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}; |
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static struct resource codec_resources[] = { |
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/* Headset microphone insertion or removal */ |
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{PM8607_IRQ_MICIN, PM8607_IRQ_MICIN, "micin", IORESOURCE_IRQ,}, |
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/* Hook-switch press or release */ |
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{PM8607_IRQ_HOOK, PM8607_IRQ_HOOK, "hook", IORESOURCE_IRQ,}, |
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/* Headset insertion or removal */ |
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{PM8607_IRQ_HEADSET, PM8607_IRQ_HEADSET, "headset", IORESOURCE_IRQ,}, |
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/* Audio short */ |
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{PM8607_IRQ_AUDIO_SHORT, PM8607_IRQ_AUDIO_SHORT, "audio-short", |
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IORESOURCE_IRQ,}, |
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}; |
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static struct resource battery_resources[] = { |
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{PM8607_IRQ_CC, PM8607_IRQ_CC, "columb counter", IORESOURCE_IRQ,}, |
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{PM8607_IRQ_BAT, PM8607_IRQ_BAT, "battery", IORESOURCE_IRQ,}, |
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}; |
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static struct resource charger_resources[] = { |
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{PM8607_IRQ_CHG, PM8607_IRQ_CHG, "charger detect", IORESOURCE_IRQ,}, |
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{PM8607_IRQ_CHG_DONE, PM8607_IRQ_CHG_DONE, "charging done", |
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IORESOURCE_IRQ,}, |
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{PM8607_IRQ_CHG_FAIL, PM8607_IRQ_CHG_FAIL, "charging timeout", |
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IORESOURCE_IRQ,}, |
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{PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging fault", |
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IORESOURCE_IRQ,}, |
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{PM8607_IRQ_GPADC1, PM8607_IRQ_GPADC1, "battery temperature", |
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IORESOURCE_IRQ,}, |
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{PM8607_IRQ_VBAT, PM8607_IRQ_VBAT, "battery voltage", IORESOURCE_IRQ,}, |
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{PM8607_IRQ_VCHG, PM8607_IRQ_VCHG, "vchg voltage", IORESOURCE_IRQ,}, |
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}; |
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static struct resource rtc_resources[] = { |
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{PM8607_IRQ_RTC, PM8607_IRQ_RTC, "rtc", IORESOURCE_IRQ,}, |
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}; |
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static struct mfd_cell bk_devs[] = { |
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{ |
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.name = "88pm860x-backlight", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(bk0_resources), |
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.resources = bk0_resources, |
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}, { |
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.name = "88pm860x-backlight", |
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.id = 1, |
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.num_resources = ARRAY_SIZE(bk1_resources), |
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.resources = bk1_resources, |
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}, { |
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.name = "88pm860x-backlight", |
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.id = 2, |
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.num_resources = ARRAY_SIZE(bk2_resources), |
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.resources = bk2_resources, |
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}, |
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}; |
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static struct mfd_cell led_devs[] = { |
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{ |
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.name = "88pm860x-led", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(led0_resources), |
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.resources = led0_resources, |
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}, { |
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.name = "88pm860x-led", |
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.id = 1, |
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.num_resources = ARRAY_SIZE(led1_resources), |
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.resources = led1_resources, |
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}, { |
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.name = "88pm860x-led", |
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.id = 2, |
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.num_resources = ARRAY_SIZE(led2_resources), |
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.resources = led2_resources, |
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}, { |
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.name = "88pm860x-led", |
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.id = 3, |
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.num_resources = ARRAY_SIZE(led3_resources), |
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.resources = led3_resources, |
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}, { |
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.name = "88pm860x-led", |
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.id = 4, |
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.num_resources = ARRAY_SIZE(led4_resources), |
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.resources = led4_resources, |
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}, { |
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.name = "88pm860x-led", |
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.id = 5, |
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.num_resources = ARRAY_SIZE(led5_resources), |
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.resources = led5_resources, |
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}, |
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}; |
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static struct mfd_cell reg_devs[] = { |
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{ |
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.name = "88pm860x-regulator", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(buck1_resources), |
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.resources = buck1_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 1, |
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.num_resources = ARRAY_SIZE(buck2_resources), |
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.resources = buck2_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 2, |
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.num_resources = ARRAY_SIZE(buck3_resources), |
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.resources = buck3_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 3, |
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.num_resources = ARRAY_SIZE(ldo1_resources), |
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.resources = ldo1_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 4, |
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.num_resources = ARRAY_SIZE(ldo2_resources), |
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.resources = ldo2_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 5, |
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.num_resources = ARRAY_SIZE(ldo3_resources), |
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.resources = ldo3_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 6, |
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.num_resources = ARRAY_SIZE(ldo4_resources), |
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.resources = ldo4_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 7, |
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.num_resources = ARRAY_SIZE(ldo5_resources), |
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.resources = ldo5_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 8, |
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.num_resources = ARRAY_SIZE(ldo6_resources), |
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.resources = ldo6_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 9, |
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.num_resources = ARRAY_SIZE(ldo7_resources), |
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.resources = ldo7_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 10, |
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.num_resources = ARRAY_SIZE(ldo8_resources), |
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.resources = ldo8_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 11, |
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.num_resources = ARRAY_SIZE(ldo9_resources), |
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.resources = ldo9_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 12, |
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.num_resources = ARRAY_SIZE(ldo10_resources), |
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.resources = ldo10_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 13, |
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.num_resources = ARRAY_SIZE(ldo12_resources), |
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.resources = ldo12_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 14, |
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.num_resources = ARRAY_SIZE(ldo_vibrator_resources), |
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.resources = ldo_vibrator_resources, |
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}, { |
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.name = "88pm860x-regulator", |
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.id = 15, |
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.num_resources = ARRAY_SIZE(ldo14_resources), |
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.resources = ldo14_resources, |
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}, |
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}; |
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static struct mfd_cell touch_devs[] = { |
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{"88pm860x-touch", -1,}, |
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}; |
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static struct mfd_cell onkey_devs[] = { |
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{"88pm860x-onkey", -1,}, |
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}; |
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static struct mfd_cell codec_devs[] = { |
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{"88pm860x-codec", -1,}, |
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}; |
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static struct regulator_consumer_supply preg_supply[] = { |
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REGULATOR_SUPPLY("preg", "charger-manager"), |
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}; |
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static struct regulator_init_data preg_init_data = { |
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.num_consumer_supplies = ARRAY_SIZE(preg_supply), |
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.consumer_supplies = &preg_supply[0], |
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}; |
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static struct charger_regulator chg_desc_regulator_data[] = { |
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{ .regulator_name = "preg", }, |
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}; |
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static struct mfd_cell power_devs[] = { |
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{"88pm860x-battery", -1,}, |
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{"88pm860x-charger", -1,}, |
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{"88pm860x-preg", -1,}, |
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{"charger-manager", -1,}, |
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}; |
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static struct mfd_cell rtc_devs[] = { |
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{"88pm860x-rtc", -1,}, |
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}; |
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struct pm860x_irq_data { |
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int reg; |
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int mask_reg; |
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int enable; /* enable or not */ |
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int offs; /* bit offset in mask register */ |
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}; |
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static struct pm860x_irq_data pm860x_irqs[] = { |
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[PM8607_IRQ_ONKEY] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 0, |
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}, |
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[PM8607_IRQ_EXTON] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 1, |
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}, |
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[PM8607_IRQ_CHG] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 2, |
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}, |
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[PM8607_IRQ_BAT] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 3, |
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}, |
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[PM8607_IRQ_RTC] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 4, |
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}, |
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[PM8607_IRQ_CC] = { |
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.reg = PM8607_INT_STATUS1, |
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.mask_reg = PM8607_INT_MASK_1, |
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.offs = 1 << 5, |
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}, |
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[PM8607_IRQ_VBAT] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 0, |
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}, |
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[PM8607_IRQ_VCHG] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 1, |
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}, |
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[PM8607_IRQ_VSYS] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 2, |
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}, |
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[PM8607_IRQ_TINT] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 3, |
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}, |
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[PM8607_IRQ_GPADC0] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 4, |
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}, |
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[PM8607_IRQ_GPADC1] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 5, |
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}, |
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[PM8607_IRQ_GPADC2] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 6, |
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}, |
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[PM8607_IRQ_GPADC3] = { |
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.reg = PM8607_INT_STATUS2, |
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.mask_reg = PM8607_INT_MASK_2, |
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.offs = 1 << 7, |
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}, |
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[PM8607_IRQ_AUDIO_SHORT] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 0, |
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}, |
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[PM8607_IRQ_PEN] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 1, |
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}, |
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[PM8607_IRQ_HEADSET] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 2, |
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}, |
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[PM8607_IRQ_HOOK] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 3, |
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}, |
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[PM8607_IRQ_MICIN] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 4, |
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}, |
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[PM8607_IRQ_CHG_FAIL] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 5, |
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}, |
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[PM8607_IRQ_CHG_DONE] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 6, |
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}, |
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[PM8607_IRQ_CHG_FAULT] = { |
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.reg = PM8607_INT_STATUS3, |
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.mask_reg = PM8607_INT_MASK_3, |
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.offs = 1 << 7, |
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}, |
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}; |
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static irqreturn_t pm860x_irq(int irq, void *data) |
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{ |
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struct pm860x_chip *chip = data; |
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struct pm860x_irq_data *irq_data; |
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struct i2c_client *i2c; |
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int read_reg = -1, value = 0; |
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int i; |
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|
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i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; |
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for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) { |
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irq_data = &pm860x_irqs[i]; |
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if (read_reg != irq_data->reg) { |
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read_reg = irq_data->reg; |
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value = pm860x_reg_read(i2c, irq_data->reg); |
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} |
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if (value & irq_data->enable) |
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handle_nested_irq(chip->irq_base + i); |
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} |
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return IRQ_HANDLED; |
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} |
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static void pm860x_irq_lock(struct irq_data *data) |
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{ |
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struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); |
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|
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mutex_lock(&chip->irq_lock); |
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} |
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static void pm860x_irq_sync_unlock(struct irq_data *data) |
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{ |
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struct pm860x_chip *chip = irq_data_get_irq_chip_data(data); |
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struct pm860x_irq_data *irq_data; |
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struct i2c_client *i2c; |
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static unsigned char cached[3] = {0x0, 0x0, 0x0}; |
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unsigned char mask[3]; |
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int i; |
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|
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i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; |
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/* Load cached value. In initial, all IRQs are masked */ |
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for (i = 0; i < 3; i++) |
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mask[i] = cached[i]; |
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for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) { |
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irq_data = &pm860x_irqs[i]; |
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switch (irq_data->mask_reg) { |
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case PM8607_INT_MASK_1: |
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mask[0] &= ~irq_data->offs; |
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mask[0] |= irq_data->enable; |
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break; |
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case PM8607_INT_MASK_2: |
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mask[1] &= ~irq_data->offs; |
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mask[1] |= irq_data->enable; |
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break; |
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case PM8607_INT_MASK_3: |
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mask[2] &= ~irq_data->offs; |
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mask[2] |= irq_data->enable; |
|
break; |
|
default: |
|
dev_err(chip->dev, "wrong IRQ\n"); |
|
break; |
|
} |
|
} |
|
/* update mask into registers */ |
|
for (i = 0; i < 3; i++) { |
|
if (mask[i] != cached[i]) { |
|
cached[i] = mask[i]; |
|
pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]); |
|
} |
|
} |
|
|
|
mutex_unlock(&chip->irq_lock); |
|
} |
|
|
|
static void pm860x_irq_enable(struct irq_data *data) |
|
{ |
|
pm860x_irqs[data->hwirq].enable = pm860x_irqs[data->hwirq].offs; |
|
} |
|
|
|
static void pm860x_irq_disable(struct irq_data *data) |
|
{ |
|
pm860x_irqs[data->hwirq].enable = 0; |
|
} |
|
|
|
static struct irq_chip pm860x_irq_chip = { |
|
.name = "88pm860x", |
|
.irq_bus_lock = pm860x_irq_lock, |
|
.irq_bus_sync_unlock = pm860x_irq_sync_unlock, |
|
.irq_enable = pm860x_irq_enable, |
|
.irq_disable = pm860x_irq_disable, |
|
}; |
|
|
|
static int pm860x_irq_domain_map(struct irq_domain *d, unsigned int virq, |
|
irq_hw_number_t hw) |
|
{ |
|
irq_set_chip_data(virq, d->host_data); |
|
irq_set_chip_and_handler(virq, &pm860x_irq_chip, handle_edge_irq); |
|
irq_set_nested_thread(virq, 1); |
|
irq_set_noprobe(virq); |
|
return 0; |
|
} |
|
|
|
static const struct irq_domain_ops pm860x_irq_domain_ops = { |
|
.map = pm860x_irq_domain_map, |
|
.xlate = irq_domain_xlate_onetwocell, |
|
}; |
|
|
|
static int device_irq_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? |
|
chip->client : chip->companion; |
|
unsigned char status_buf[INT_STATUS_NUM]; |
|
unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; |
|
int data, mask, ret = -EINVAL; |
|
int nr_irqs, irq_base = -1; |
|
struct device_node *node = i2c->dev.of_node; |
|
|
|
mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR |
|
| PM8607_B0_MISC1_INT_MASK; |
|
data = 0; |
|
chip->irq_mode = 0; |
|
if (pdata && pdata->irq_mode) { |
|
/* |
|
* irq_mode defines the way of clearing interrupt. If it's 1, |
|
* clear IRQ by write. Otherwise, clear it by read. |
|
* This control bit is valid from 88PM8607 B0 steping. |
|
*/ |
|
data |= PM8607_B0_MISC1_INT_CLEAR; |
|
chip->irq_mode = 1; |
|
} |
|
ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data); |
|
if (ret < 0) |
|
goto out; |
|
|
|
/* mask all IRQs */ |
|
memset(status_buf, 0, INT_STATUS_NUM); |
|
ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1, |
|
INT_STATUS_NUM, status_buf); |
|
if (ret < 0) |
|
goto out; |
|
|
|
if (chip->irq_mode) { |
|
/* clear interrupt status by write */ |
|
memset(status_buf, 0xFF, INT_STATUS_NUM); |
|
ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1, |
|
INT_STATUS_NUM, status_buf); |
|
} else { |
|
/* clear interrupt status by read */ |
|
ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1, |
|
INT_STATUS_NUM, status_buf); |
|
} |
|
if (ret < 0) |
|
goto out; |
|
|
|
mutex_init(&chip->irq_lock); |
|
|
|
if (pdata && pdata->irq_base) |
|
irq_base = pdata->irq_base; |
|
nr_irqs = ARRAY_SIZE(pm860x_irqs); |
|
chip->irq_base = irq_alloc_descs(irq_base, 0, nr_irqs, 0); |
|
if (chip->irq_base < 0) { |
|
dev_err(&i2c->dev, "Failed to allocate interrupts, ret:%d\n", |
|
chip->irq_base); |
|
ret = -EBUSY; |
|
goto out; |
|
} |
|
irq_domain_add_legacy(node, nr_irqs, chip->irq_base, 0, |
|
&pm860x_irq_domain_ops, chip); |
|
chip->core_irq = i2c->irq; |
|
if (!chip->core_irq) |
|
goto out; |
|
|
|
ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, |
|
flags | IRQF_ONESHOT, "88pm860x", chip); |
|
if (ret) { |
|
dev_err(chip->dev, "Failed to request IRQ: %d\n", ret); |
|
chip->core_irq = 0; |
|
} |
|
|
|
return 0; |
|
out: |
|
chip->core_irq = 0; |
|
return ret; |
|
} |
|
|
|
static void device_irq_exit(struct pm860x_chip *chip) |
|
{ |
|
if (chip->core_irq) |
|
free_irq(chip->core_irq, chip); |
|
} |
|
|
|
int pm8606_osc_enable(struct pm860x_chip *chip, unsigned short client) |
|
{ |
|
int ret = -EIO; |
|
struct i2c_client *i2c = (chip->id == CHIP_PM8606) ? |
|
chip->client : chip->companion; |
|
|
|
dev_dbg(chip->dev, "%s(B): client=0x%x\n", __func__, client); |
|
dev_dbg(chip->dev, "%s(B): vote=0x%x status=%d\n", |
|
__func__, chip->osc_vote, |
|
chip->osc_status); |
|
|
|
mutex_lock(&chip->osc_lock); |
|
/* Update voting status */ |
|
chip->osc_vote |= client; |
|
/* If reference group is off - turn on*/ |
|
if (chip->osc_status != PM8606_REF_GP_OSC_ON) { |
|
chip->osc_status = PM8606_REF_GP_OSC_UNKNOWN; |
|
/* Enable Reference group Vsys */ |
|
if (pm860x_set_bits(i2c, PM8606_VSYS, |
|
PM8606_VSYS_EN, PM8606_VSYS_EN)) |
|
goto out; |
|
|
|
/*Enable Internal Oscillator */ |
|
if (pm860x_set_bits(i2c, PM8606_MISC, |
|
PM8606_MISC_OSC_EN, PM8606_MISC_OSC_EN)) |
|
goto out; |
|
/* Update status (only if writes succeed) */ |
|
chip->osc_status = PM8606_REF_GP_OSC_ON; |
|
} |
|
mutex_unlock(&chip->osc_lock); |
|
|
|
dev_dbg(chip->dev, "%s(A): vote=0x%x status=%d ret=%d\n", |
|
__func__, chip->osc_vote, |
|
chip->osc_status, ret); |
|
return 0; |
|
out: |
|
mutex_unlock(&chip->osc_lock); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL(pm8606_osc_enable); |
|
|
|
int pm8606_osc_disable(struct pm860x_chip *chip, unsigned short client) |
|
{ |
|
int ret = -EIO; |
|
struct i2c_client *i2c = (chip->id == CHIP_PM8606) ? |
|
chip->client : chip->companion; |
|
|
|
dev_dbg(chip->dev, "%s(B): client=0x%x\n", __func__, client); |
|
dev_dbg(chip->dev, "%s(B): vote=0x%x status=%d\n", |
|
__func__, chip->osc_vote, |
|
chip->osc_status); |
|
|
|
mutex_lock(&chip->osc_lock); |
|
/* Update voting status */ |
|
chip->osc_vote &= ~(client); |
|
/* |
|
* If reference group is off and this is the last client to release |
|
* - turn off |
|
*/ |
|
if ((chip->osc_status != PM8606_REF_GP_OSC_OFF) && |
|
(chip->osc_vote == REF_GP_NO_CLIENTS)) { |
|
chip->osc_status = PM8606_REF_GP_OSC_UNKNOWN; |
|
/* Disable Reference group Vsys */ |
|
if (pm860x_set_bits(i2c, PM8606_VSYS, PM8606_VSYS_EN, 0)) |
|
goto out; |
|
/* Disable Internal Oscillator */ |
|
if (pm860x_set_bits(i2c, PM8606_MISC, PM8606_MISC_OSC_EN, 0)) |
|
goto out; |
|
chip->osc_status = PM8606_REF_GP_OSC_OFF; |
|
} |
|
mutex_unlock(&chip->osc_lock); |
|
|
|
dev_dbg(chip->dev, "%s(A): vote=0x%x status=%d ret=%d\n", |
|
__func__, chip->osc_vote, |
|
chip->osc_status, ret); |
|
return 0; |
|
out: |
|
mutex_unlock(&chip->osc_lock); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL(pm8606_osc_disable); |
|
|
|
static void device_osc_init(struct i2c_client *i2c) |
|
{ |
|
struct pm860x_chip *chip = i2c_get_clientdata(i2c); |
|
|
|
mutex_init(&chip->osc_lock); |
|
/* init portofino reference group voting and status */ |
|
/* Disable Reference group Vsys */ |
|
pm860x_set_bits(i2c, PM8606_VSYS, PM8606_VSYS_EN, 0); |
|
/* Disable Internal Oscillator */ |
|
pm860x_set_bits(i2c, PM8606_MISC, PM8606_MISC_OSC_EN, 0); |
|
|
|
chip->osc_vote = REF_GP_NO_CLIENTS; |
|
chip->osc_status = PM8606_REF_GP_OSC_OFF; |
|
} |
|
|
|
static void device_bk_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret, i; |
|
|
|
if (pdata && pdata->backlight) { |
|
if (pdata->num_backlights > ARRAY_SIZE(bk_devs)) |
|
pdata->num_backlights = ARRAY_SIZE(bk_devs); |
|
for (i = 0; i < pdata->num_backlights; i++) { |
|
bk_devs[i].platform_data = &pdata->backlight[i]; |
|
bk_devs[i].pdata_size = |
|
sizeof(struct pm860x_backlight_pdata); |
|
} |
|
} |
|
ret = mfd_add_devices(chip->dev, 0, bk_devs, |
|
ARRAY_SIZE(bk_devs), NULL, 0, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add backlight subdev\n"); |
|
} |
|
|
|
static void device_led_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret, i; |
|
|
|
if (pdata && pdata->led) { |
|
if (pdata->num_leds > ARRAY_SIZE(led_devs)) |
|
pdata->num_leds = ARRAY_SIZE(led_devs); |
|
for (i = 0; i < pdata->num_leds; i++) { |
|
led_devs[i].platform_data = &pdata->led[i]; |
|
led_devs[i].pdata_size = |
|
sizeof(struct pm860x_led_pdata); |
|
} |
|
} |
|
ret = mfd_add_devices(chip->dev, 0, led_devs, |
|
ARRAY_SIZE(led_devs), NULL, 0, NULL); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to add led subdev\n"); |
|
return; |
|
} |
|
} |
|
|
|
static void device_regulator_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
if (pdata == NULL) |
|
return; |
|
if (pdata->buck1) { |
|
reg_devs[0].platform_data = pdata->buck1; |
|
reg_devs[0].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->buck2) { |
|
reg_devs[1].platform_data = pdata->buck2; |
|
reg_devs[1].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->buck3) { |
|
reg_devs[2].platform_data = pdata->buck3; |
|
reg_devs[2].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo1) { |
|
reg_devs[3].platform_data = pdata->ldo1; |
|
reg_devs[3].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo2) { |
|
reg_devs[4].platform_data = pdata->ldo2; |
|
reg_devs[4].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo3) { |
|
reg_devs[5].platform_data = pdata->ldo3; |
|
reg_devs[5].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo4) { |
|
reg_devs[6].platform_data = pdata->ldo4; |
|
reg_devs[6].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo5) { |
|
reg_devs[7].platform_data = pdata->ldo5; |
|
reg_devs[7].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo6) { |
|
reg_devs[8].platform_data = pdata->ldo6; |
|
reg_devs[8].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo7) { |
|
reg_devs[9].platform_data = pdata->ldo7; |
|
reg_devs[9].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo8) { |
|
reg_devs[10].platform_data = pdata->ldo8; |
|
reg_devs[10].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo9) { |
|
reg_devs[11].platform_data = pdata->ldo9; |
|
reg_devs[11].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo10) { |
|
reg_devs[12].platform_data = pdata->ldo10; |
|
reg_devs[12].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo12) { |
|
reg_devs[13].platform_data = pdata->ldo12; |
|
reg_devs[13].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo_vibrator) { |
|
reg_devs[14].platform_data = pdata->ldo_vibrator; |
|
reg_devs[14].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
if (pdata->ldo14) { |
|
reg_devs[15].platform_data = pdata->ldo14; |
|
reg_devs[15].pdata_size = sizeof(struct regulator_init_data); |
|
} |
|
ret = mfd_add_devices(chip->dev, 0, reg_devs, |
|
ARRAY_SIZE(reg_devs), NULL, 0, NULL); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to add regulator subdev\n"); |
|
return; |
|
} |
|
} |
|
|
|
static void device_rtc_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
if (!pdata) |
|
return; |
|
|
|
rtc_devs[0].platform_data = pdata->rtc; |
|
rtc_devs[0].pdata_size = sizeof(struct pm860x_rtc_pdata); |
|
rtc_devs[0].num_resources = ARRAY_SIZE(rtc_resources); |
|
rtc_devs[0].resources = &rtc_resources[0]; |
|
ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], |
|
ARRAY_SIZE(rtc_devs), &rtc_resources[0], |
|
chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add rtc subdev\n"); |
|
} |
|
|
|
static void device_touch_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
if (pdata == NULL) |
|
return; |
|
|
|
touch_devs[0].platform_data = pdata->touch; |
|
touch_devs[0].pdata_size = sizeof(struct pm860x_touch_pdata); |
|
touch_devs[0].num_resources = ARRAY_SIZE(touch_resources); |
|
touch_devs[0].resources = &touch_resources[0]; |
|
ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], |
|
ARRAY_SIZE(touch_devs), &touch_resources[0], |
|
chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add touch subdev\n"); |
|
} |
|
|
|
static void device_power_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
if (pdata == NULL) |
|
return; |
|
|
|
power_devs[0].platform_data = pdata->power; |
|
power_devs[0].pdata_size = sizeof(struct pm860x_power_pdata); |
|
power_devs[0].num_resources = ARRAY_SIZE(battery_resources); |
|
power_devs[0].resources = &battery_resources[0], |
|
ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1, |
|
&battery_resources[0], chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add battery subdev\n"); |
|
|
|
power_devs[1].platform_data = pdata->power; |
|
power_devs[1].pdata_size = sizeof(struct pm860x_power_pdata); |
|
power_devs[1].num_resources = ARRAY_SIZE(charger_resources); |
|
power_devs[1].resources = &charger_resources[0], |
|
ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1, |
|
&charger_resources[0], chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add charger subdev\n"); |
|
|
|
power_devs[2].platform_data = &preg_init_data; |
|
power_devs[2].pdata_size = sizeof(struct regulator_init_data); |
|
ret = mfd_add_devices(chip->dev, 0, &power_devs[2], 1, |
|
NULL, chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add preg subdev\n"); |
|
|
|
if (pdata->chg_desc) { |
|
pdata->chg_desc->charger_regulators = |
|
&chg_desc_regulator_data[0]; |
|
pdata->chg_desc->num_charger_regulators = |
|
ARRAY_SIZE(chg_desc_regulator_data), |
|
power_devs[3].platform_data = pdata->chg_desc; |
|
power_devs[3].pdata_size = sizeof(*pdata->chg_desc); |
|
ret = mfd_add_devices(chip->dev, 0, &power_devs[3], 1, |
|
NULL, chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add chg-manager subdev\n"); |
|
} |
|
} |
|
|
|
static void device_onkey_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources); |
|
onkey_devs[0].resources = &onkey_resources[0], |
|
ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], |
|
ARRAY_SIZE(onkey_devs), &onkey_resources[0], |
|
chip->irq_base, NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add onkey subdev\n"); |
|
} |
|
|
|
static void device_codec_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
codec_devs[0].num_resources = ARRAY_SIZE(codec_resources); |
|
codec_devs[0].resources = &codec_resources[0], |
|
ret = mfd_add_devices(chip->dev, 0, &codec_devs[0], |
|
ARRAY_SIZE(codec_devs), &codec_resources[0], 0, |
|
NULL); |
|
if (ret < 0) |
|
dev_err(chip->dev, "Failed to add codec subdev\n"); |
|
} |
|
|
|
static void device_8607_init(struct pm860x_chip *chip, |
|
struct i2c_client *i2c, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int data, ret; |
|
|
|
ret = pm860x_reg_read(i2c, PM8607_CHIP_ID); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret); |
|
goto out; |
|
} |
|
switch (ret & PM8607_VERSION_MASK) { |
|
case 0x40: |
|
case 0x50: |
|
dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n", |
|
ret); |
|
break; |
|
default: |
|
dev_err(chip->dev, |
|
"Failed to detect Marvell 88PM8607. Chip ID: %02x\n", |
|
ret); |
|
goto out; |
|
} |
|
|
|
ret = pm860x_reg_read(i2c, PM8607_BUCK3); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret); |
|
goto out; |
|
} |
|
if (ret & PM8607_BUCK3_DOUBLE) |
|
chip->buck3_double = 1; |
|
|
|
ret = pm860x_reg_read(i2c, PM8607_B0_MISC1); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret); |
|
goto out; |
|
} |
|
|
|
if (pdata && (pdata->i2c_port == PI2C_PORT)) |
|
data = PM8607_B0_MISC1_PI2C; |
|
else |
|
data = 0; |
|
ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data); |
|
if (ret < 0) { |
|
dev_err(chip->dev, "Failed to access MISC1:%d\n", ret); |
|
goto out; |
|
} |
|
|
|
ret = device_irq_init(chip, pdata); |
|
if (ret < 0) |
|
goto out; |
|
|
|
device_regulator_init(chip, pdata); |
|
device_rtc_init(chip, pdata); |
|
device_onkey_init(chip, pdata); |
|
device_touch_init(chip, pdata); |
|
device_power_init(chip, pdata); |
|
device_codec_init(chip, pdata); |
|
out: |
|
return; |
|
} |
|
|
|
static void device_8606_init(struct pm860x_chip *chip, |
|
struct i2c_client *i2c, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
device_osc_init(i2c); |
|
device_bk_init(chip, pdata); |
|
device_led_init(chip, pdata); |
|
} |
|
|
|
static int pm860x_device_init(struct pm860x_chip *chip, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
chip->core_irq = 0; |
|
|
|
switch (chip->id) { |
|
case CHIP_PM8606: |
|
device_8606_init(chip, chip->client, pdata); |
|
break; |
|
case CHIP_PM8607: |
|
device_8607_init(chip, chip->client, pdata); |
|
break; |
|
} |
|
|
|
if (chip->companion) { |
|
switch (chip->id) { |
|
case CHIP_PM8607: |
|
device_8606_init(chip, chip->companion, pdata); |
|
break; |
|
case CHIP_PM8606: |
|
device_8607_init(chip, chip->companion, pdata); |
|
break; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void pm860x_device_exit(struct pm860x_chip *chip) |
|
{ |
|
device_irq_exit(chip); |
|
mfd_remove_devices(chip->dev); |
|
} |
|
|
|
static int verify_addr(struct i2c_client *i2c) |
|
{ |
|
unsigned short addr_8607[] = {0x30, 0x34}; |
|
unsigned short addr_8606[] = {0x10, 0x11}; |
|
int size, i; |
|
|
|
if (i2c == NULL) |
|
return 0; |
|
size = ARRAY_SIZE(addr_8606); |
|
for (i = 0; i < size; i++) { |
|
if (i2c->addr == *(addr_8606 + i)) |
|
return CHIP_PM8606; |
|
} |
|
size = ARRAY_SIZE(addr_8607); |
|
for (i = 0; i < size; i++) { |
|
if (i2c->addr == *(addr_8607 + i)) |
|
return CHIP_PM8607; |
|
} |
|
return 0; |
|
} |
|
|
|
static const struct regmap_config pm860x_regmap_config = { |
|
.reg_bits = 8, |
|
.val_bits = 8, |
|
}; |
|
|
|
static int pm860x_dt_init(struct device_node *np, |
|
struct device *dev, |
|
struct pm860x_platform_data *pdata) |
|
{ |
|
int ret; |
|
|
|
if (of_get_property(np, "marvell,88pm860x-irq-read-clr", NULL)) |
|
pdata->irq_mode = 1; |
|
ret = of_property_read_u32(np, "marvell,88pm860x-slave-addr", |
|
&pdata->companion_addr); |
|
if (ret) { |
|
dev_err(dev, |
|
"Not found \"marvell,88pm860x-slave-addr\" property\n"); |
|
pdata->companion_addr = 0; |
|
} |
|
return 0; |
|
} |
|
|
|
static int pm860x_probe(struct i2c_client *client) |
|
{ |
|
struct pm860x_platform_data *pdata = dev_get_platdata(&client->dev); |
|
struct device_node *node = client->dev.of_node; |
|
struct pm860x_chip *chip; |
|
int ret; |
|
|
|
if (node && !pdata) { |
|
/* parse DT to get platform data */ |
|
pdata = devm_kzalloc(&client->dev, |
|
sizeof(struct pm860x_platform_data), |
|
GFP_KERNEL); |
|
if (!pdata) |
|
return -ENOMEM; |
|
ret = pm860x_dt_init(node, &client->dev, pdata); |
|
if (ret) |
|
return ret; |
|
} else if (!pdata) { |
|
pr_info("No platform data in %s!\n", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
chip = devm_kzalloc(&client->dev, |
|
sizeof(struct pm860x_chip), GFP_KERNEL); |
|
if (chip == NULL) |
|
return -ENOMEM; |
|
|
|
chip->id = verify_addr(client); |
|
chip->regmap = devm_regmap_init_i2c(client, &pm860x_regmap_config); |
|
if (IS_ERR(chip->regmap)) { |
|
ret = PTR_ERR(chip->regmap); |
|
dev_err(&client->dev, "Failed to allocate register map: %d\n", |
|
ret); |
|
return ret; |
|
} |
|
chip->client = client; |
|
i2c_set_clientdata(client, chip); |
|
chip->dev = &client->dev; |
|
dev_set_drvdata(chip->dev, chip); |
|
|
|
/* |
|
* Both client and companion client shares same platform driver. |
|
* Driver distinguishes them by pdata->companion_addr. |
|
* pdata->companion_addr is only assigned if companion chip exists. |
|
* At the same time, the companion_addr shouldn't equal to client |
|
* address. |
|
*/ |
|
if (pdata->companion_addr && (pdata->companion_addr != client->addr)) { |
|
chip->companion_addr = pdata->companion_addr; |
|
chip->companion = i2c_new_dummy_device(chip->client->adapter, |
|
chip->companion_addr); |
|
if (IS_ERR(chip->companion)) { |
|
dev_err(&client->dev, |
|
"Failed to allocate I2C companion device\n"); |
|
return PTR_ERR(chip->companion); |
|
} |
|
chip->regmap_companion = regmap_init_i2c(chip->companion, |
|
&pm860x_regmap_config); |
|
if (IS_ERR(chip->regmap_companion)) { |
|
ret = PTR_ERR(chip->regmap_companion); |
|
dev_err(&chip->companion->dev, |
|
"Failed to allocate register map: %d\n", ret); |
|
i2c_unregister_device(chip->companion); |
|
return ret; |
|
} |
|
i2c_set_clientdata(chip->companion, chip); |
|
} |
|
|
|
pm860x_device_init(chip, pdata); |
|
return 0; |
|
} |
|
|
|
static int pm860x_remove(struct i2c_client *client) |
|
{ |
|
struct pm860x_chip *chip = i2c_get_clientdata(client); |
|
|
|
pm860x_device_exit(chip); |
|
if (chip->companion) { |
|
regmap_exit(chip->regmap_companion); |
|
i2c_unregister_device(chip->companion); |
|
} |
|
return 0; |
|
} |
|
|
|
#ifdef CONFIG_PM_SLEEP |
|
static int pm860x_suspend(struct device *dev) |
|
{ |
|
struct i2c_client *client = to_i2c_client(dev); |
|
struct pm860x_chip *chip = i2c_get_clientdata(client); |
|
|
|
if (device_may_wakeup(dev) && chip->wakeup_flag) |
|
enable_irq_wake(chip->core_irq); |
|
return 0; |
|
} |
|
|
|
static int pm860x_resume(struct device *dev) |
|
{ |
|
struct i2c_client *client = to_i2c_client(dev); |
|
struct pm860x_chip *chip = i2c_get_clientdata(client); |
|
|
|
if (device_may_wakeup(dev) && chip->wakeup_flag) |
|
disable_irq_wake(chip->core_irq); |
|
return 0; |
|
} |
|
#endif |
|
|
|
static SIMPLE_DEV_PM_OPS(pm860x_pm_ops, pm860x_suspend, pm860x_resume); |
|
|
|
static const struct i2c_device_id pm860x_id_table[] = { |
|
{ "88PM860x", 0 }, |
|
{} |
|
}; |
|
MODULE_DEVICE_TABLE(i2c, pm860x_id_table); |
|
|
|
static const struct of_device_id pm860x_dt_ids[] = { |
|
{ .compatible = "marvell,88pm860x", }, |
|
{}, |
|
}; |
|
MODULE_DEVICE_TABLE(of, pm860x_dt_ids); |
|
|
|
static struct i2c_driver pm860x_driver = { |
|
.driver = { |
|
.name = "88PM860x", |
|
.pm = &pm860x_pm_ops, |
|
.of_match_table = pm860x_dt_ids, |
|
}, |
|
.probe_new = pm860x_probe, |
|
.remove = pm860x_remove, |
|
.id_table = pm860x_id_table, |
|
}; |
|
|
|
static int __init pm860x_i2c_init(void) |
|
{ |
|
int ret; |
|
|
|
ret = i2c_add_driver(&pm860x_driver); |
|
if (ret != 0) |
|
pr_err("Failed to register 88PM860x I2C driver: %d\n", ret); |
|
return ret; |
|
} |
|
subsys_initcall(pm860x_i2c_init); |
|
|
|
static void __exit pm860x_i2c_exit(void) |
|
{ |
|
i2c_del_driver(&pm860x_driver); |
|
} |
|
module_exit(pm860x_i2c_exit); |
|
|
|
MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x"); |
|
MODULE_AUTHOR("Haojian Zhuang <[email protected]>"); |
|
MODULE_LICENSE("GPL");
|
|
|