sh: mach-ecovec24: Document DS2 switch settings.

[pandora-kernel.git] / arch / sh / boards / mach-ecovec24 / setup.c

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 96bc169..bbc7859 100644 (file)
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/i2c.h>
+#include <linux/i2c/tsc2007.h>
 #include <linux/input.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
@@ -38,6 +39,20 @@
  *  0x1800_0000  MFI              16bit
  */
 
+/* SWITCH
+ *------------------------------
+ * DS2[1] = FlashROM write protect  ON     : write protect
+ *                                  OFF    : No write protect
+ * DS2[2] = RMII / TS, SCIF         ON     : RMII
+ *                                  OFF    : TS, SCIF3
+ * DS2[3] = Camera / Video          ON     : Camera
+ *                                  OFF    : NTSC/PAL (IN)
+ * DS2[5] = NTSC_OUT Clock          ON     : On board OSC
+ *                                  OFF    : SH7724 DV_CLK
+ * DS2[6-7] = MMC / SD              ON-OFF : SD
+ *                                  OFF-ON : MMC
+ */
+
 /* Heartbeat */
 static unsigned char led_pos[] = { 0, 1, 2, 3 };
 static struct heartbeat_data heartbeat_data = {
@@ -70,7 +85,7 @@ static struct mtd_partition nor_flash_partitions[] = {
                .name = "boot loader",
                .offset = 0,
                .size = (5 * 1024 * 1024),
-               .mask_flags = MTD_CAP_ROM,
+               .mask_flags = MTD_WRITEABLE,  /* force read-only */
        }, {
                .name = "free-area",
                .offset = MTDPART_OFS_APPEND,
@@ -121,6 +136,7 @@ static struct resource sh_eth_resources[] = {
 struct sh_eth_plat_data sh_eth_plat = {
        .phy = 0x1f, /* SMSC LAN8700 */
        .edmac_endian = EDMAC_LITTLE_ENDIAN,
+       .ether_link_active_low = 1
 };
 
 static struct platform_device sh_eth_device = {
@@ -375,6 +391,43 @@ static struct platform_device keysc_device = {
        },
 };
 
+/* TouchScreen */
+#define IRQ0 32
+static int ts_get_pendown_state(void)
+{
+       int val = 0;
+       gpio_free(GPIO_FN_INTC_IRQ0);
+       gpio_request(GPIO_PTZ0, NULL);
+       gpio_direction_input(GPIO_PTZ0);
+
+       val = gpio_get_value(GPIO_PTZ0);
+
+       gpio_free(GPIO_PTZ0);
+       gpio_request(GPIO_FN_INTC_IRQ0, NULL);
+
+       return val ? 0 : 1;
+}
+
+static int ts_init(void)
+{
+       gpio_request(GPIO_FN_INTC_IRQ0, NULL);
+       return 0;
+}
+
+struct tsc2007_platform_data tsc2007_info = {
+       .model                  = 2007,
+       .x_plate_ohms           = 180,
+       .get_pendown_state      = ts_get_pendown_state,
+       .init_platform_hw       = ts_init,
+};
+
+static struct i2c_board_info ts_i2c_clients = {
+       I2C_BOARD_INFO("tsc2007", 0x48),
+       .type           = "tsc2007",
+       .platform_data  = &tsc2007_info,
+       .irq            = IRQ0,
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
        &heartbeat_device,
        &nor_flash_device,
@@ -589,6 +642,10 @@ static int __init arch_setup(void)
                 */
                gpio_request(GPIO_PTF4, NULL);
                gpio_direction_output(GPIO_PTF4, 1);
+
+               /* enable TouchScreen */
+               i2c_register_board_info(0, &ts_i2c_clients, 1);
+               set_irq_type(IRQ0, IRQ_TYPE_LEVEL_LOW);
        }
 
        /* enable CEU0 */