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Diffstat (limited to 'arch/arm/mach-ep93xx/core.c')
-rw-r--r--arch/arm/mach-ep93xx/core.c63
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)