static int config_s3c_wm8350_gpio(struct wm8350 *wm8350)
{
wm8350_gpio_config(wm8350, 2, WM8350_GPIO_DIR_OUT,
WM8350_GPIO2_32KHZ_OUT, WM8350_GPIO_ACTIVE_LOW,
WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF);
// cradle led
wm8350_gpio_config(wm8350, 10, WM8350_GPIO_DIR_IN,
WM8350_GPIO10_GPIO_IN, WM8350_GPIO_ACTIVE_LOW,
WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF);
wm8350_gpio_config(wm8350, 11, WM8350_GPIO_DIR_IN,
WM8350_GPIO11_GPIO_IN, WM8350_GPIO_ACTIVE_LOW,
WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF);
// line sw
wm8350_gpio_config(wm8350, 12, WM8350_GPIO_DIR_OUT,
WM8350_GPIO12_LINE_EN_OUT, WM8350_GPIO_ACTIVE_LOW,
WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_ON);
/* Chager LED initial */
wm8350_gpio_set_status(wm8350, 10, 1);
wm8350_gpio_set_status(wm8350, 11, 1);
// avoid lcd backlight flicker
if (q_hw_ver(KTQOOK_TP)) {
wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_OUT,
WM8350_GPIO11_GPIO_OUT, WM8350_GPIO_ACTIVE_LOW,
WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF);
wm8350_gpio_set_status(wm8350, 4, 1);
}
return 0;
}
int wm8350_init(struct wm8350 *wm8350)
{
int ret = 0;
/* register regulator and set constraints */
wm8350_device_register_pmic(wm8350);
set_regulator_constraints(wm8350);
#ifdef NOT_PORTED_TO_IMX37
wm8350_device_register_rtc(wm8350);
wm8350_device_register_wdg(wm8350);
wm8350_device_register_power(wm8350);
#endif
mxc_init_wm8350();
/*Note: Needs to be moved into a regulator function. */
/* Configuring -- GPIO 7 pin */
if (wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_OUT, 0,
WM8350_GPIO_ACTIVE_LOW, WM8350_GPIO_PULL_NONE,
WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF) == 0)
wm8350_gpio_set_status(wm8350, 7, 1);
else
printk(KERN_ERR "Error in setting Wolfson GPIO pin 7 \n");
/* enable gpio4:USB_VBUS_EN */
ret =
wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN,
WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH,
WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF,
WM8350_GPIO_DEBOUNCE_OFF);
if (ret)
printk(KERN_ERR "Error in setting USB VBUS enable pin\n");
/*PMIC RDY*/
if (wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT, WM8350_GPIO9_GPIO_OUT,
WM8350_GPIO_ACTIVE_LOW, WM8350_GPIO_PULL_NONE,
WM8350_GPIO_INVERT_OFF, WM8350_GPIO_DEBOUNCE_OFF) == 0)
wm8350_gpio_set_status(wm8350, 9, 1);
else
printk(KERN_ERR "Error in setting Wolfson GPIO pin 9 \n");
/* register sound */
printk("Registering imx37_snd_device");
imx_snd_device = platform_device_alloc("wm8350-imx-3stack-audio", -1);
if (!imx_snd_device) {
ret = -ENOMEM;
goto err;
}
imx_snd_device->dev.platform_data = &imx_3stack_audio_platform_data;
platform_set_drvdata(imx_snd_device, &wm8350->audio);
ret = platform_device_add(imx_snd_device);
if (ret)
goto snd_err;
/* set up PMIC IRQ (active high) to i.MX32ADS */
printk("Registering PMIC INT");
INIT_WORK(&wm8350->work, wm8350_irq_work);
wm8350_reg_unlock(wm8350);
wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1, WM8350_IRQ_POL);
wm8350_reg_lock(wm8350);
set_irq_type(MXC_PMIC_INT_LINE, IRQT_RISING);
ret = request_irq(MXC_PMIC_INT_LINE, wm8350_irq_handler,
IRQF_DISABLED, "wm8350-pmic", wm8350);
if (ret != 0) {
printk(KERN_ERR "wm8350: cant request irq %d\n",
MXC_PMIC_INT_LINE);
goto err;
}
wm8350->nirq = MXC_PMIC_INT_LINE;
set_irq_wake(MXC_PMIC_INT_LINE, 1);
#ifdef NOT_PORTED_TO_IMX37
printk("Configuring WM8350 GPIOS");
config_gpios(wm8350);
config_hibernate(wm8350);
#endif
/* Sw1 --> PWR_ON */
printk("Registering and unmasking the WM8350 wakeup key\n");
wm8350_register_irq(wm8350, WM8350_IRQ_WKUP_ONKEY,
imx37_3stack_switch_handler, NULL);
wm8350_unmask_irq(wm8350, WM8350_IRQ_WKUP_ONKEY);
/* unmask all & clear sticky */
printk("Unmasking WM8350 local interrupts\n");
wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x3ffe);
schedule_work(&wm8350->work);
#if BATTERY
/* not much use without a battery atm */
wm8350_init_battery(wm8350);
#endif
printk("Exiting normally from wm8350_init()");
return ret;
snd_err:
platform_device_put(imx_snd_device);
err:
printk("wm8350_init() FAILED");
kfree(wm8350->reg_cache);
return ret;
}