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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>
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Dmitry Baryshkov authored and Russell King committed Jul 7, 2008
1 parent d631594 commit bf0116e
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Showing 3 changed files with 158 additions and 14 deletions.
127 changes: 127 additions & 0 deletions arch/arm/mach-pxa/tosa.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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,
Expand All @@ -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);
Expand All @@ -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);
Expand Down
1 change: 1 addition & 0 deletions include/asm-arm/arch-pxa/irqs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,7 @@
#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1)
#elif defined(CONFIG_ARCH_LUBBOCK) || \
defined(CONFIG_MACH_LOGICPD_PXA270) || \
defined(CONFIG_MACH_TOSA) || \
defined(CONFIG_MACH_MAINSTONE) || \
defined(CONFIG_MACH_PCM027) || \
defined(CONFIG_MACH_MAGICIAN)
Expand Down
44 changes: 30 additions & 14 deletions include/asm-arm/arch-pxa/tosa.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
*/
#define TOSA_SCOOP_GPIO_BASE NR_BUILTIN_GPIO
#define TOSA_SCOOP_PXA_VCORE1 SCOOP_GPCR_PA11
#define TOSA_SCOOP_TC6393_REST_IN SCOOP_GPCR_PA12
#define TOSA_GPIO_TC6393XB_REST_IN (TOSA_SCOOP_GPIO_BASE + 1)
#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
Expand All @@ -35,11 +35,9 @@
#define TOSA_SCOOP_AC_IN_OL SCOOP_GPCR_PA19

/* GPIO Direction 1 : output mode / 0:input mode */
#define TOSA_SCOOP_IO_DIR ( TOSA_SCOOP_PXA_VCORE1 | TOSA_SCOOP_TC6393_REST_IN | \
#define TOSA_SCOOP_IO_DIR (TOSA_SCOOP_PXA_VCORE1 | \
TOSA_SCOOP_AUD_PWR_ON |\
TOSA_SCOOP_BT_RESET | TOSA_SCOOP_BT_PWR_EN )
/* GPIO out put level when init 1: Hi */
#define TOSA_SCOOP_IO_OUT ( TOSA_SCOOP_TC6393_REST_IN )
TOSA_SCOOP_BT_RESET | TOSA_SCOOP_BT_PWR_EN)

/*
* SCOOP2 jacket GPIOs
Expand All @@ -49,16 +47,34 @@
#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
#define TOSA_GPIO_USB_PULLUP (TOSA_SCOOP_JC_GPIO_BASE + 3)
#define TOSA_SCOOP_JC_TC6393_SUSPEND SCOOP_GPCR_PA15
#define TOSA_SCOOP_JC_TC3693_L3V_ON SCOOP_GPCR_PA16
#define TOSA_GPIO_TC6393XB_SUSPEND (TOSA_SCOOP_JC_GPIO_BASE + 4)
#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
#define TOSA_SCOOP_JC_WLAN_DETECT SCOOP_GPCR_PA17
#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
#define TOSA_SCOOP_JC_CARD_LIMIT_SEL SCOOP_GPCR_PA19

/* GPIO Direction 1 : output mode / 0:input mode */
#define TOSA_SCOOP_JC_IO_DIR ( \
TOSA_SCOOP_JC_TC6393_SUSPEND | TOSA_SCOOP_JC_TC3693_L3V_ON | \
TOSA_SCOOP_JC_CARD_LIMIT_SEL )
#define TOSA_SCOOP_JC_IO_DIR (TOSA_SCOOP_JC_CARD_LIMIT_SEL)

/*
* TC6393XB GPIOs
*/
#define TOSA_TC6393XB_GPIO_BASE (NR_BUILTIN_GPIO + 2 * 12)
#define TOSA_TC6393XB_GPIO(i) (TOSA_TC6393XB_GPIO_BASE + (i))
#define TOSA_TC6393XB_GPIO_BIT(gpio) (1 << (gpio - TOSA_TC6393XB_GPIO_BASE))

#define TOSA_GPIO_TG_ON (TOSA_TC6393XB_GPIO_BASE + 0)
#define TOSA_GPIO_L_MUTE (TOSA_TC6393XB_GPIO_BASE + 1)
#define TOSA_GPIO_BL_C20MA (TOSA_TC6393XB_GPIO_BASE + 3)
#define TOSA_GPIO_CARD_VCC_ON (TOSA_TC6393XB_GPIO_BASE + 4)
#define TOSA_GPIO_CHARGE_OFF (TOSA_TC6393XB_GPIO_BASE + 6)
#define TOSA_GPIO_CHARGE_OFF_JC (TOSA_TC6393XB_GPIO_BASE + 7)
#define TOSA_GPIO_BAT0_V_ON (TOSA_TC6393XB_GPIO_BASE + 9)
#define TOSA_GPIO_BAT1_V_ON (TOSA_TC6393XB_GPIO_BASE + 10)
#define TOSA_GPIO_BU_CHRG_ON (TOSA_TC6393XB_GPIO_BASE + 11)
#define TOSA_GPIO_BAT_SW_ON (TOSA_TC6393XB_GPIO_BASE + 12)
#define TOSA_GPIO_BAT0_TH_ON (TOSA_TC6393XB_GPIO_BASE + 14)
#define TOSA_GPIO_BAT1_TH_ON (TOSA_TC6393XB_GPIO_BASE + 15)

/*
* Timing Generator
Expand All @@ -84,13 +100,13 @@
#define TOSA_GPIO_JACKET_DETECT (7)
#define TOSA_GPIO_nSD_DETECT (9)
#define TOSA_GPIO_nSD_INT (10)
#define TOSA_GPIO_TC6393_CLK (11)
#define TOSA_GPIO_TC6393XB_CLK (11)
#define TOSA_GPIO_BAT1_CRG (12)
#define TOSA_GPIO_CF_CD (13)
#define TOSA_GPIO_BAT0_CRG (14)
#define TOSA_GPIO_TC6393_INT (15)
#define TOSA_GPIO_TC6393XB_INT (15)
#define TOSA_GPIO_BAT0_LOW (17)
#define TOSA_GPIO_TC6393_RDY (18)
#define TOSA_GPIO_TC6393XB_RDY (18)
#define TOSA_GPIO_ON_RESET (19)
#define TOSA_GPIO_EAR_IN (20)
#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
Expand Down Expand Up @@ -138,7 +154,7 @@
#define TOSA_IRQ_GPIO_BAT1_CRG IRQ_GPIO(TOSA_GPIO_BAT1_CRG)
#define TOSA_IRQ_GPIO_CF_CD IRQ_GPIO(TOSA_GPIO_CF_CD)
#define TOSA_IRQ_GPIO_BAT0_CRG IRQ_GPIO(TOSA_GPIO_BAT0_CRG)
#define TOSA_IRQ_GPIO_TC6393_INT IRQ_GPIO(TOSA_GPIO_TC6393_INT)
#define TOSA_IRQ_GPIO_TC6393XB_INT IRQ_GPIO(TOSA_GPIO_TC6393XB_INT)
#define TOSA_IRQ_GPIO_BAT0_LOW IRQ_GPIO(TOSA_GPIO_BAT0_LOW)
#define TOSA_IRQ_GPIO_EAR_IN IRQ_GPIO(TOSA_GPIO_EAR_IN)
#define TOSA_IRQ_GPIO_CF_IRQ IRQ_GPIO(TOSA_GPIO_CF_IRQ)
Expand Down

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