809 lines
22 KiB
C
809 lines
22 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/i2c.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.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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#define INT_STATUS_NUM 3
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static struct resource bk_resources[] __devinitdata = {
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{PM8606_BACKLIGHT1, PM8606_BACKLIGHT1, "backlight-0", IORESOURCE_IO,},
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{PM8606_BACKLIGHT2, PM8606_BACKLIGHT2, "backlight-1", IORESOURCE_IO,},
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{PM8606_BACKLIGHT3, PM8606_BACKLIGHT3, "backlight-2", IORESOURCE_IO,},
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};
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static struct resource led_resources[] __devinitdata = {
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{PM8606_LED1_RED, PM8606_LED1_RED, "led0-red", IORESOURCE_IO,},
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{PM8606_LED1_GREEN, PM8606_LED1_GREEN, "led0-green", IORESOURCE_IO,},
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{PM8606_LED1_BLUE, PM8606_LED1_BLUE, "led0-blue", IORESOURCE_IO,},
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{PM8606_LED2_RED, PM8606_LED2_RED, "led1-red", IORESOURCE_IO,},
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{PM8606_LED2_GREEN, PM8606_LED2_GREEN, "led1-green", IORESOURCE_IO,},
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{PM8606_LED2_BLUE, PM8606_LED2_BLUE, "led1-blue", IORESOURCE_IO,},
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};
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static struct resource regulator_resources[] __devinitdata = {
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{PM8607_ID_BUCK1, PM8607_ID_BUCK1, "buck-1", IORESOURCE_IO,},
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{PM8607_ID_BUCK2, PM8607_ID_BUCK2, "buck-2", IORESOURCE_IO,},
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{PM8607_ID_BUCK3, PM8607_ID_BUCK3, "buck-3", IORESOURCE_IO,},
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{PM8607_ID_LDO1, PM8607_ID_LDO1, "ldo-01", IORESOURCE_IO,},
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{PM8607_ID_LDO2, PM8607_ID_LDO2, "ldo-02", IORESOURCE_IO,},
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{PM8607_ID_LDO3, PM8607_ID_LDO3, "ldo-03", IORESOURCE_IO,},
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{PM8607_ID_LDO4, PM8607_ID_LDO4, "ldo-04", IORESOURCE_IO,},
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{PM8607_ID_LDO5, PM8607_ID_LDO5, "ldo-05", IORESOURCE_IO,},
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{PM8607_ID_LDO6, PM8607_ID_LDO6, "ldo-06", IORESOURCE_IO,},
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{PM8607_ID_LDO7, PM8607_ID_LDO7, "ldo-07", IORESOURCE_IO,},
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{PM8607_ID_LDO8, PM8607_ID_LDO8, "ldo-08", IORESOURCE_IO,},
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{PM8607_ID_LDO9, PM8607_ID_LDO9, "ldo-09", IORESOURCE_IO,},
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{PM8607_ID_LDO10, PM8607_ID_LDO10, "ldo-10", IORESOURCE_IO,},
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{PM8607_ID_LDO11, PM8607_ID_LDO11, "ldo-11", IORESOURCE_IO,},
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{PM8607_ID_LDO12, PM8607_ID_LDO12, "ldo-12", IORESOURCE_IO,},
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{PM8607_ID_LDO13, PM8607_ID_LDO13, "ldo-13", IORESOURCE_IO,},
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{PM8607_ID_LDO14, PM8607_ID_LDO14, "ldo-14", IORESOURCE_IO,},
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{PM8607_ID_LDO15, PM8607_ID_LDO15, "ldo-15", IORESOURCE_IO,},
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};
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static struct resource touch_resources[] __devinitdata = {
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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[] __devinitdata = {
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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[] __devinitdata = {
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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[] __devinitdata = {
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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[] __devinitdata = {
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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_FAULT, PM8607_IRQ_CHG_FAULT, "charging timeout", 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[] __devinitdata = {
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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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{"88pm860x-backlight", 0,},
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{"88pm860x-backlight", 1,},
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{"88pm860x-backlight", 2,},
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};
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static struct mfd_cell led_devs[] = {
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{"88pm860x-led", 0,},
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{"88pm860x-led", 1,},
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{"88pm860x-led", 2,},
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{"88pm860x-led", 3,},
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{"88pm860x-led", 4,},
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{"88pm860x-led", 5,},
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};
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static struct mfd_cell regulator_devs[] = {
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{"88pm860x-regulator", 0,},
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{"88pm860x-regulator", 1,},
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{"88pm860x-regulator", 2,},
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{"88pm860x-regulator", 3,},
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{"88pm860x-regulator", 4,},
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{"88pm860x-regulator", 5,},
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{"88pm860x-regulator", 6,},
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{"88pm860x-regulator", 7,},
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{"88pm860x-regulator", 8,},
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{"88pm860x-regulator", 9,},
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{"88pm860x-regulator", 10,},
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{"88pm860x-regulator", 11,},
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{"88pm860x-regulator", 12,},
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{"88pm860x-regulator", 13,},
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{"88pm860x-regulator", 14,},
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{"88pm860x-regulator", 15,},
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{"88pm860x-regulator", 16,},
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{"88pm860x-regulator", 17,},
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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 mfd_cell power_devs[] = {
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{"88pm860x-battery", -1,},
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{"88pm860x-charger", -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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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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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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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;
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break;
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default:
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dev_err(chip->dev, "wrong IRQ\n");
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break;
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}
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}
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/* update mask into registers */
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for (i = 0; i < 3; i++) {
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if (mask[i] != cached[i]) {
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cached[i] = mask[i];
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pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
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}
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}
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mutex_unlock(&chip->irq_lock);
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}
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static void pm860x_irq_enable(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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pm860x_irqs[data->irq - chip->irq_base].enable
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= pm860x_irqs[data->irq - chip->irq_base].offs;
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}
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static void pm860x_irq_disable(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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pm860x_irqs[data->irq - chip->irq_base].enable = 0;
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}
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static struct irq_chip pm860x_irq_chip = {
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.name = "88pm860x",
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.irq_bus_lock = pm860x_irq_lock,
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.irq_bus_sync_unlock = pm860x_irq_sync_unlock,
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.irq_enable = pm860x_irq_enable,
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.irq_disable = pm860x_irq_disable,
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};
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static int __devinit device_gpadc_init(struct pm860x_chip *chip,
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struct pm860x_platform_data *pdata)
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{
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struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
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: chip->companion;
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int data;
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int ret;
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/* initialize GPADC without activating it */
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if (!pdata || !pdata->touch)
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return -EINVAL;
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/* set GPADC MISC1 register */
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data = 0;
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data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK;
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data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
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data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK;
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data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK;
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if (data) {
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ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
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if (ret < 0)
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goto out;
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}
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/* set tsi prebias time */
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if (pdata->touch->tsi_prebias) {
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data = pdata->touch->tsi_prebias;
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ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
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if (ret < 0)
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goto out;
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}
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/* set prebias & prechg time of pen detect */
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data = 0;
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data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
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data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK;
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if (data) {
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ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
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if (ret < 0)
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goto out;
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}
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ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
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PM8607_GPADC_EN, PM8607_GPADC_EN);
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out:
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return ret;
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}
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static int __devinit device_irq_init(struct pm860x_chip *chip,
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struct pm860x_platform_data *pdata)
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{
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struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
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: chip->companion;
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unsigned char status_buf[INT_STATUS_NUM];
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unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
|
|
int i, data, mask, ret = -EINVAL;
|
|
int __irq;
|
|
|
|
if (!pdata || !pdata->irq_base) {
|
|
dev_warn(chip->dev, "No interrupt support on IRQ base\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
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);
|
|
chip->irq_base = pdata->irq_base;
|
|
chip->core_irq = i2c->irq;
|
|
if (!chip->core_irq)
|
|
goto out;
|
|
|
|
/* register IRQ by genirq */
|
|
for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
|
|
__irq = i + chip->irq_base;
|
|
irq_set_chip_data(__irq, chip);
|
|
irq_set_chip_and_handler(__irq, &pm860x_irq_chip,
|
|
handle_edge_irq);
|
|
irq_set_nested_thread(__irq, 1);
|
|
#ifdef CONFIG_ARM
|
|
set_irq_flags(__irq, IRQF_VALID);
|
|
#else
|
|
irq_set_noprobe(__irq);
|
|
#endif
|
|
}
|
|
|
|
ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
|
|
"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);
|
|
}
|
|
|
|
static void __devinit device_bk_init(struct pm860x_chip *chip,
|
|
struct pm860x_platform_data *pdata)
|
|
{
|
|
int ret;
|
|
int i, j, id;
|
|
|
|
if ((pdata == NULL) || (pdata->backlight == NULL))
|
|
return;
|
|
|
|
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);
|
|
|
|
for (j = 0; j < ARRAY_SIZE(bk_devs); j++) {
|
|
id = bk_resources[j].start;
|
|
if (pdata->backlight[i].flags != id)
|
|
continue;
|
|
|
|
bk_devs[i].num_resources = 1;
|
|
bk_devs[i].resources = &bk_resources[j];
|
|
ret = mfd_add_devices(chip->dev, 0,
|
|
&bk_devs[i], 1,
|
|
&bk_resources[j], 0);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "Failed to add "
|
|
"backlight subdev\n");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void __devinit device_led_init(struct pm860x_chip *chip,
|
|
struct pm860x_platform_data *pdata)
|
|
{
|
|
int ret;
|
|
int i, j, id;
|
|
|
|
if ((pdata == NULL) || (pdata->led == NULL))
|
|
return;
|
|
|
|
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);
|
|
|
|
for (j = 0; j < ARRAY_SIZE(led_devs); j++) {
|
|
id = led_resources[j].start;
|
|
if (pdata->led[i].flags != id)
|
|
continue;
|
|
|
|
led_devs[i].num_resources = 1;
|
|
led_devs[i].resources = &led_resources[j],
|
|
ret = mfd_add_devices(chip->dev, 0,
|
|
&led_devs[i], 1,
|
|
&led_resources[j], 0);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "Failed to add "
|
|
"led subdev\n");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void __devinit device_regulator_init(struct pm860x_chip *chip,
|
|
struct pm860x_platform_data *pdata)
|
|
{
|
|
struct regulator_init_data *initdata;
|
|
int ret;
|
|
int i, seq;
|
|
|
|
if ((pdata == NULL) || (pdata->regulator == NULL))
|
|
return;
|
|
|
|
if (pdata->num_regulators > ARRAY_SIZE(regulator_devs))
|
|
pdata->num_regulators = ARRAY_SIZE(regulator_devs);
|
|
|
|
for (i = 0, seq = -1; i < pdata->num_regulators; i++) {
|
|
initdata = &pdata->regulator[i];
|
|
seq = *(unsigned int *)initdata->driver_data;
|
|
if ((seq < 0) || (seq > PM8607_ID_RG_MAX)) {
|
|
dev_err(chip->dev, "Wrong ID(%d) on regulator(%s)\n",
|
|
seq, initdata->constraints.name);
|
|
goto out;
|
|
}
|
|
regulator_devs[i].platform_data = &pdata->regulator[i];
|
|
regulator_devs[i].pdata_size = sizeof(struct regulator_init_data);
|
|
regulator_devs[i].num_resources = 1;
|
|
regulator_devs[i].resources = ®ulator_resources[seq];
|
|
|
|
ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[i], 1,
|
|
®ulator_resources[seq], 0);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "Failed to add regulator subdev\n");
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
return;
|
|
}
|
|
|
|
static void __devinit 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);
|
|
if (ret < 0)
|
|
dev_err(chip->dev, "Failed to add rtc subdev\n");
|
|
}
|
|
|
|
static void __devinit 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);
|
|
if (ret < 0)
|
|
dev_err(chip->dev, "Failed to add touch subdev\n");
|
|
}
|
|
|
|
static void __devinit 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);
|
|
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);
|
|
if (ret < 0)
|
|
dev_err(chip->dev, "Failed to add charger subdev\n");
|
|
}
|
|
|
|
static void __devinit 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);
|
|
if (ret < 0)
|
|
dev_err(chip->dev, "Failed to add onkey subdev\n");
|
|
}
|
|
|
|
static void __devinit 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);
|
|
if (ret < 0)
|
|
dev_err(chip->dev, "Failed to add codec subdev\n");
|
|
}
|
|
|
|
static void __devinit 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_gpadc_init(chip, pdata);
|
|
if (ret < 0)
|
|
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;
|
|
}
|
|
|
|
int __devinit pm860x_device_init(struct pm860x_chip *chip,
|
|
struct pm860x_platform_data *pdata)
|
|
{
|
|
chip->core_irq = 0;
|
|
|
|
switch (chip->id) {
|
|
case CHIP_PM8606:
|
|
device_bk_init(chip, pdata);
|
|
device_led_init(chip, pdata);
|
|
break;
|
|
case CHIP_PM8607:
|
|
device_8607_init(chip, chip->client, pdata);
|
|
break;
|
|
}
|
|
|
|
if (chip->companion) {
|
|
switch (chip->id) {
|
|
case CHIP_PM8607:
|
|
device_bk_init(chip, pdata);
|
|
device_led_init(chip, pdata);
|
|
break;
|
|
case CHIP_PM8606:
|
|
device_8607_init(chip, chip->companion, pdata);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void __devexit pm860x_device_exit(struct pm860x_chip *chip)
|
|
{
|
|
device_irq_exit(chip);
|
|
mfd_remove_devices(chip->dev);
|
|
}
|
|
|
|
MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
|
|
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
|
|
MODULE_LICENSE("GPL");
|