diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/core.c')
-rw-r--r-- | arch/arm/mach-ep93xx/core.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 16b92c37ec99..f95dc160c34b 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -30,6 +30,7 @@ #include <linux/i2c-gpio.h> #include <mach/hardware.h> +#include <mach/fb.h> #include <asm/mach/map.h> #include <asm/mach/time.h> @@ -549,13 +550,11 @@ void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr) platform_device_register(&ep93xx_eth_device); } -static struct i2c_gpio_platform_data ep93xx_i2c_data = { - .sda_pin = EP93XX_GPIO_LINE_EEDAT, - .sda_is_open_drain = 0, - .scl_pin = EP93XX_GPIO_LINE_EECLK, - .scl_is_open_drain = 0, - .udelay = 2, -}; + +/************************************************************************* + * EP93xx i2c peripheral handling + *************************************************************************/ +static struct i2c_gpio_platform_data ep93xx_i2c_data; static struct platform_device ep93xx_i2c_device = { .name = "i2c-gpio", @@ -563,8 +562,25 @@ static struct platform_device ep93xx_i2c_device = { .dev.platform_data = &ep93xx_i2c_data, }; -void __init ep93xx_register_i2c(struct i2c_board_info *devices, int num) +void __init ep93xx_register_i2c(struct i2c_gpio_platform_data *data, + struct i2c_board_info *devices, int num) { + /* + * Set the EEPROM interface pin drive type control. + * Defines the driver type for the EECLK and EEDAT pins as either + * open drain, which will require an external pull-up, or a normal + * CMOS driver. + */ + if (data->sda_is_open_drain && data->sda_pin != EP93XX_GPIO_LINE_EEDAT) + pr_warning("ep93xx: sda != EEDAT, open drain has no effect\n"); + if (data->scl_is_open_drain && data->scl_pin != EP93XX_GPIO_LINE_EECLK) + pr_warning("ep93xx: scl != EECLK, open drain has no effect\n"); + + __raw_writel((data->sda_is_open_drain << 1) | + (data->scl_is_open_drain << 0), + EP93XX_GPIO_EEDRIVE); + + ep93xx_i2c_data = *data; i2c_register_board_info(0, devices, num); platform_device_register(&ep93xx_i2c_device); } @@ -682,6 +698,37 @@ void ep93xx_pwm_release_gpio(struct platform_device *pdev) EXPORT_SYMBOL(ep93xx_pwm_release_gpio); +/************************************************************************* + * EP93xx video peripheral handling + *************************************************************************/ +static struct ep93xxfb_mach_info ep93xxfb_data; + +static struct resource ep93xx_fb_resource[] = { + { + .start = EP93XX_RASTER_PHYS_BASE, + .end = EP93XX_RASTER_PHYS_BASE + 0x800 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ep93xx_fb_device = { + .name = "ep93xx-fb", + .id = -1, + .dev = { + .platform_data = &ep93xxfb_data, + .coherent_dma_mask = DMA_BIT_MASK(32), + .dma_mask = &ep93xx_fb_device.dev.coherent_dma_mask, + }, + .num_resources = ARRAY_SIZE(ep93xx_fb_resource), + .resource = ep93xx_fb_resource, +}; + +void __init ep93xx_register_fb(struct ep93xxfb_mach_info *data) +{ + ep93xxfb_data = *data; + platform_device_register(&ep93xx_fb_device); +} + extern void ep93xx_gpio_init(void); void __init ep93xx_init_devices(void) |