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[ARM] 5097/1: Tosa: support TC6393XB device

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Add definitions for Toshiba TC6393XB companion chip and register
the tc6393xb device.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Dmitry Baryshkov
2008-06-14 11:42:02 +01:00
committed by Russell King
parent d6315949ac
commit bf0116e54e
3 changed files with 158 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

127
arch/arm/mach-pxa/tosa.c
View File

@ -18,7 +18,10 @@
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/mmc/host.h>
#include <linux/mfd/tc6393xb.h>
#include <linux/pm.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
@ -509,9 +512,127 @@ static struct platform_device tosaled_device = {
},
};
/*
* Toshiba Mobile IO Controller
*/
static struct resource tc6393xb_resources[] = {
[0] = {
.start = TOSA_LCDC_PHYS,
.end = TOSA_LCDC_PHYS + 0x3ffffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = TOSA_IRQ_GPIO_TC6393XB_INT,
.end = TOSA_IRQ_GPIO_TC6393XB_INT,
.flags = IORESOURCE_IRQ,
},
};
static int tosa_tc6393xb_enable(struct platform_device *dev)
{
int rc;
rc = gpio_request(TOSA_GPIO_TC6393XB_REST_IN, "tc6393xb #pclr");
if (rc)
goto err_req_pclr;
rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
if (rc)
goto err_req_suspend;
rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "l3v");
if (rc)
goto err_req_l3v;
rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
if (rc)
goto err_dir_l3v;
rc = gpio_direction_output(TOSA_GPIO_TC6393XB_SUSPEND, 0);
if (rc)
goto err_dir_suspend;
rc = gpio_direction_output(TOSA_GPIO_TC6393XB_REST_IN, 0);
if (rc)
goto err_dir_pclr;
mdelay(1);
gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
mdelay(10);
gpio_set_value(TOSA_GPIO_TC6393XB_REST_IN, 1);
gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
return 0;
err_dir_pclr:
err_dir_suspend:
err_dir_l3v:
gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
err_req_l3v:
gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
err_req_suspend:
gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
err_req_pclr:
return rc;
}
static int tosa_tc6393xb_disable(struct platform_device *dev)
{
gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
return 0;
}
static int tosa_tc6393xb_resume(struct platform_device *dev)
{
gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
mdelay(10);
gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
mdelay(10);
return 0;
}
static int tosa_tc6393xb_suspend(struct platform_device *dev)
{
gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 0);
gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 0);
return 0;
}
static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
.scr_pll2cr = 0x0cc1,
.scr_gper = 0x3300,
.scr_gpo_dsr =
TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
.scr_gpo_doecr =
TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
.irq_base = IRQ_BOARD_START,
.gpio_base = TOSA_TC6393XB_GPIO_BASE,
.enable = tosa_tc6393xb_enable,
.disable = tosa_tc6393xb_disable,
.suspend = tosa_tc6393xb_suspend,
.resume = tosa_tc6393xb_resume,
};
static struct platform_device tc6393xb_device = {
.name = "tc6393xb",
.id = -1,
.dev = {
.platform_data = &tosa_tc6393xb_setup,
},
.num_resources = ARRAY_SIZE(tc6393xb_resources),
.resource = tc6393xb_resources,
};
static struct platform_device *devices[] __initdata = {
&tosascoop_device,
&tosascoop_jc_device,
&tc6393xb_device,
&tosakbd_device,
&tosa_gpio_keys_device,
&tosaled_device,
@ -533,6 +654,8 @@ static void tosa_restart(char mode)
static void __init tosa_init(void)
{
int dummy;
pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_off));
gpio_set_wake(MFP_PIN_GPIO1, 1);
@ -548,6 +671,10 @@ static void __init tosa_init(void)
/* enable batt_fault */
PMCR = 0x01;
dummy = gpiochip_reserve(TOSA_SCOOP_GPIO_BASE, 12);
dummy = gpiochip_reserve(TOSA_SCOOP_JC_GPIO_BASE, 12);
dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);
pxa_set_mci_info(&tosa_mci_platform_data);
pxa_set_udc_info(&udc_info);
pxa_set_ficp_info(&tosa_ficp_platform_data);