OMAP1: AMS_DELTA: add modem support
[linux-2.6.git] / arch / arm / mach-omap1 / board-ams-delta.c
index 5807732..42920f9 100644 (file)
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/input.h>
+#include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/serial_8250.h>
 
+#include <asm/serial.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -230,6 +233,41 @@ static void __init ams_delta_init(void)
        platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 }
 
+static struct plat_serial8250_port ams_delta_modem_ports[] = {
+       {
+               .membase        = (void *) AMS_DELTA_MODEM_VIRT,
+               .mapbase        = AMS_DELTA_MODEM_PHYS,
+               .irq            = -EINVAL, /* changed later */
+               .flags          = UPF_BOOT_AUTOCONF,
+               .irqflags       = IRQF_TRIGGER_RISING,
+               .iotype         = UPIO_MEM,
+               .regshift       = 1,
+               .uartclk        = BASE_BAUD * 16,
+       },
+       { },
+};
+
+static struct platform_device ams_delta_modem_device = {
+       .name   = "serial8250",
+       .id     = PLAT8250_DEV_PLATFORM1,
+       .dev            = {
+               .platform_data = ams_delta_modem_ports,
+       },
+};
+
+static int __init ams_delta_modem_init(void)
+{
+       omap_cfg_reg(M14_1510_GPIO2);
+       ams_delta_modem_ports[0].irq = gpio_to_irq(2);
+
+       ams_delta_latch2_write(
+               AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
+               AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
+
+       return platform_device_register(&ams_delta_modem_device);
+}
+arch_initcall(ams_delta_modem_init);
+
 static void __init ams_delta_map_io(void)
 {
        omap1_map_common_io();