diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-4430sdp.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-4430sdp.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index b88f28c..be7a786 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -18,6 +18,7 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/usb/otg.h> +#include <linux/spi/spi.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -32,6 +33,75 @@ #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> +#define ETH_KS8851_IRQ 34 +#define ETH_KS8851_POWER_ON 48 +#define ETH_KS8851_QUART 138 + +static struct spi_board_info sdp4430_spi_board_info[] __initdata = { + { + .modalias = "ks8851", + .bus_num = 1, + .chip_select = 0, + .max_speed_hz = 24000000, + .irq = ETH_KS8851_IRQ, + }, +}; + +static int omap_ethernet_init(void) +{ + int status; + + /* Request of GPIO lines */ + + status = gpio_request(ETH_KS8851_POWER_ON, "eth_power"); + if (status) { + pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON); + return status; + } + + status = gpio_request(ETH_KS8851_QUART, "quart"); + if (status) { + pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART); + goto error1; + } + + status = gpio_request(ETH_KS8851_IRQ, "eth_irq"); + if (status) { + pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ); + goto error2; + } + + /* Configuration of requested GPIO lines */ + + status = gpio_direction_output(ETH_KS8851_POWER_ON, 1); + if (status) { + pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ); + goto error3; + } + + status = gpio_direction_output(ETH_KS8851_QUART, 1); + if (status) { + pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART); + goto error3; + } + + status = gpio_direction_input(ETH_KS8851_IRQ); + if (status) { + pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ); + goto error3; + } + + return 0; + +error3: + gpio_free(ETH_KS8851_IRQ); +error2: + gpio_free(ETH_KS8851_QUART); +error1: + gpio_free(ETH_KS8851_POWER_ON); + return status; +} + static struct platform_device sdp4430_lcd_device = { .name = "sdp4430_lcd", .id = -1, @@ -113,6 +183,8 @@ static struct omap_musb_board_data musb_board_data = { static void __init omap_4430sdp_init(void) { + int status; + platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices)); omap_serial_init(); /* OMAP4 SDP uses internal transceiver so register nop transceiver */ @@ -120,6 +192,15 @@ static void __init omap_4430sdp_init(void) /* FIXME: allow multi-omap to boot until musb is updated for omap4 */ if (!cpu_is_omap44xx()) usb_musb_init(&musb_board_data); + + status = omap_ethernet_init(); + if (status) { + pr_err("Ethernet initialization failed: %d\n", status); + } else { + sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ); + spi_register_board_info(sdp4430_spi_board_info, + ARRAY_SIZE(sdp4430_spi_board_info)); + } } static void __init omap_4430sdp_map_io(void) |