Blackfin arch: add note about newer ezkits using PB4 for AD7877 instead of PJ11

[safe/jmp/linux-2.6] / arch / blackfin / mach-bf548 / boards / ezkit.c

diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 3935769..628f218 100644 (file)
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -38,9 +38,7 @@
 #include <linux/irq.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
-#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 #include <linux/usb/musb.h>
-#endif
 #include <asm/bfin5xx_spi.h>
 #include <asm/cplb.h>
 #include <asm/dma.h>
@@ -314,6 +312,16 @@ static struct resource musb_resources[] = {
        },
 };
 
+static struct musb_hdrc_config musb_config = {
+       .multipoint     = 0,
+       .dyn_fifo       = 0,
+       .soft_con       = 1,
+       .dma            = 1,
+       .num_eps        = 7,
+       .dma_channels   = 7,
+       .gpio_vrsel     = GPIO_PE7,
+};
+
 static struct musb_hdrc_platform_data musb_plat = {
 #if defined(CONFIG_USB_MUSB_OTG)
        .mode           = MUSB_OTG,
@@ -322,7 +330,7 @@ static struct musb_hdrc_platform_data musb_plat = {
 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
        .mode           = MUSB_PERIPHERAL,
 #endif
-       .multipoint     = 0,
+       .config         = &musb_config,
 };
 
 static u64 musb_dmamask = ~(u32)0;
@@ -551,7 +559,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 {
        .modalias               = "ad7877",
        .platform_data          = &bfin_ad7877_ts_info,
-       .irq                    = IRQ_PJ11,
+       .irq                    = IRQ_PJ11,     /* newer boards (Rev 1.4+) use IRQ_PB4 */
        .max_speed_hz           = 12500000,     /* max spi clock (SCK) speed in HZ */
        .bus_num                = 0,
        .chip_select            = 2,