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![Sachin Kamat](/assets/img/avatar_default.png)
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
1275 lines
34 KiB
C
1275 lines
34 KiB
C
/*
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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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* Haojian Zhuang <haojian.zhuang@marvell.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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 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 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 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 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 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 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 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 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 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 struct resource buck1_resources[] = {
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{0x24, 0x24, "buck set", IORESOURCE_REG, },
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};
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static struct resource buck2_resources[] = {
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{0x25, 0x25, "buck set", IORESOURCE_REG, },
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};
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static struct resource buck3_resources[] = {
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{0x26, 0x26, "buck set", IORESOURCE_REG, },
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};
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static struct resource ldo1_resources[] = {
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{0x10, 0x10, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo2_resources[] = {
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{0x11, 0x11, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo3_resources[] = {
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{0x12, 0x12, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo4_resources[] = {
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{0x13, 0x13, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo5_resources[] = {
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{0x14, 0x14, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo6_resources[] = {
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{0x15, 0x15, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo7_resources[] = {
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{0x16, 0x16, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo8_resources[] = {
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{0x17, 0x17, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo9_resources[] = {
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{0x18, 0x18, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo10_resources[] = {
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{0x19, 0x19, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo12_resources[] = {
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{0x1a, 0x1a, "ldo set", IORESOURCE_REG, },
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};
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static struct resource ldo_vibrator_resources[] = {
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{0x28, 0x28, "ldo set", IORESOURCE_REG, },
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};
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static 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", 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", IORESOURCE_IRQ,},
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{PM8607_IRQ_CHG_FAIL, PM8607_IRQ_CHG_FAIL, "charging timeout", IORESOURCE_IRQ,},
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{PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging fault", IORESOURCE_IRQ,},
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{PM8607_IRQ_GPADC1, PM8607_IRQ_GPADC1, "battery temperature", 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,
|
|
.offs = 1 << 7,
|
|
},
|
|
};
|
|
|
|
static irqreturn_t pm860x_irq(int irq, void *data)
|
|
{
|
|
struct pm860x_chip *chip = data;
|
|
struct pm860x_irq_data *irq_data;
|
|
struct i2c_client *i2c;
|
|
int read_reg = -1, value = 0;
|
|
int i;
|
|
|
|
i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
|
|
for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
|
|
irq_data = &pm860x_irqs[i];
|
|
if (read_reg != irq_data->reg) {
|
|
read_reg = irq_data->reg;
|
|
value = pm860x_reg_read(i2c, irq_data->reg);
|
|
}
|
|
if (value & irq_data->enable)
|
|
handle_nested_irq(chip->irq_base + i);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static void pm860x_irq_lock(struct irq_data *data)
|
|
{
|
|
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
|
|
|
|
mutex_lock(&chip->irq_lock);
|
|
}
|
|
|
|
static void pm860x_irq_sync_unlock(struct irq_data *data)
|
|
{
|
|
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
|
|
struct pm860x_irq_data *irq_data;
|
|
struct i2c_client *i2c;
|
|
static unsigned char cached[3] = {0x0, 0x0, 0x0};
|
|
unsigned char mask[3];
|
|
int i;
|
|
|
|
i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
|
|
/* Load cached value. In initial, all IRQs are masked */
|
|
for (i = 0; i < 3; i++)
|
|
mask[i] = cached[i];
|
|
for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
|
|
irq_data = &pm860x_irqs[i];
|
|
switch (irq_data->mask_reg) {
|
|
case PM8607_INT_MASK_1:
|
|
mask[0] &= ~irq_data->offs;
|
|
mask[0] |= irq_data->enable;
|
|
break;
|
|
case PM8607_INT_MASK_2:
|
|
mask[1] &= ~irq_data->offs;
|
|
mask[1] |= irq_data->enable;
|
|
break;
|
|
case PM8607_INT_MASK_3:
|
|
mask[2] &= ~irq_data->offs;
|
|
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);
|
|
#ifdef CONFIG_ARM
|
|
set_irq_flags(virq, IRQF_VALID);
|
|
#else
|
|
irq_set_noprobe(virq);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static 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 == NULL))
|
|
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 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,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
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(chip->client->adapter,
|
|
chip->companion_addr);
|
|
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);
|
|
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 = container_of(dev, struct 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 = container_of(dev, struct 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",
|
|
.owner = THIS_MODULE,
|
|
.pm = &pm860x_pm_ops,
|
|
.of_match_table = pm860x_dt_ids,
|
|
},
|
|
.probe = 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 <haojian.zhuang@marvell.com>");
|
|
MODULE_LICENSE("GPL");
|