AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ARM: pxa: zeus: Replace OHCI init/exit functions with a regulator

Browse Source 
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laurent Pinchart 2014-04-16 18:00:12 +02:00 committed by Greg Kroah-Hartman
parent cecabe5c34
commit 541e00ae0c
1 changed files with 48 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
arch/arm/mach-pxa/zeus.c
View File

@ -413,7 +413,7 @@ static struct fixed_voltage_config can_regulator_pdata = {
static struct platform_device can_regulator_device = {
.name = "reg-fixed-volage",
.id = -1,
.id = 0,
.dev = {
.platform_data = &can_regulator_pdata,
},
@ -510,18 +510,6 @@ struct platform_device zeus_max6369_device = {
.num_resources = 1,
};
static struct platform_device *zeus_devices[] __initdata = {
&zeus_serial_device,
&zeus_mtd_devices[0],
&zeus_dm9k0_device,
&zeus_dm9k1_device,
&zeus_sram_device,
&zeus_leds_device,
&zeus_pcmcia_device,
&zeus_max6369_device,
&can_regulator_device,
};
/* AC'97 */
static pxa2xx_audio_ops_t zeus_ac97_info = {
.reset_gpio = 95,
@ -532,44 +520,50 @@ static pxa2xx_audio_ops_t zeus_ac97_info = {
* USB host
*/
static int zeus_ohci_init(struct device *dev)
{
int err;
static struct regulator_consumer_supply zeus_ohci_regulator_supplies[] = {
REGULATOR_SUPPLY("vbus2", "pxa27x-ohci"),
};
/* Switch on port 2. */
if ((err = gpio_request(ZEUS_USB2_PWREN_GPIO, "USB2_PWREN"))) {
dev_err(dev, "Can't request USB2_PWREN\n");
return err;
}
static struct regulator_init_data zeus_ohci_regulator_data = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(zeus_ohci_regulator_supplies),
.consumer_supplies = zeus_ohci_regulator_supplies,
};
if ((err = gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 1))) {
gpio_free(ZEUS_USB2_PWREN_GPIO);
dev_err(dev, "Can't enable USB2_PWREN\n");
return err;
}
static struct fixed_voltage_config zeus_ohci_regulator_config = {
.supply_name = "vbus2",
.microvolts = 5000000, /* 5.0V */
.gpio = ZEUS_USB2_PWREN_GPIO,
.enable_high = 1,
.startup_delay = 0,
.init_data = &zeus_ohci_regulator_data,
};
/* Port 2 is shared between host and client interface. */
UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
return 0;
}
static void zeus_ohci_exit(struct device *dev)
{
/* Power-off port 2 */
gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 0);
gpio_free(ZEUS_USB2_PWREN_GPIO);
}
static struct platform_device zeus_ohci_regulator_device = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &zeus_ohci_regulator_config,
},
};
static struct pxaohci_platform_data zeus_ohci_platform_data = {
.port_mode = PMM_NPS_MODE,
/* Clear Power Control Polarity Low and set Power Sense
* Polarity Low. Supply power to USB ports. */
.flags = ENABLE_PORT_ALL | POWER_SENSE_LOW,
.init = zeus_ohci_init,
.exit = zeus_ohci_exit,
};
static void zeus_register_ohci(void)
{
/* Port 2 is shared between host and client interface. */
UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
pxa_set_ohci_info(&zeus_ohci_platform_data);
}
/*
* Flat Panel
*/
@ -677,6 +671,19 @@ static struct pxa2xx_udc_mach_info zeus_udc_info = {
.udc_command = zeus_udc_command,
};
static struct platform_device *zeus_devices[] __initdata = {
&zeus_serial_device,
&zeus_mtd_devices[0],
&zeus_dm9k0_device,
&zeus_dm9k1_device,
&zeus_sram_device,
&zeus_leds_device,
&zeus_pcmcia_device,
&zeus_max6369_device,
&can_regulator_device,
&zeus_ohci_regulator_device,
};
#ifdef CONFIG_PM
static void zeus_power_off(void)
{
@ -847,7 +854,7 @@ static void __init zeus_init(void)
platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices));
pxa_set_ohci_info(&zeus_ohci_platform_data);
zeus_register_ohci();
if (zeus_setup_fb_gpios())
pr_err("Failed to setup fb gpios\n");