Merge branch 'master' of git://git.denx.de/u-boot-i2c

[platform/kernel/u-boot.git] / board / ti / am57xx / board.c

diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 8dfb2ee..7063345 100644 (file)
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -623,7 +623,7 @@ void am57x_idk_lcd_detect(void)
 {
        int r = -ENODEV;
        char *idk_lcd = "no";
-       uint8_t buf = 0;
+       struct udevice *dev;
 
        /* Only valid for IDKs */
        if (board_is_x15() || board_is_am572x_evm())
@@ -633,32 +633,29 @@ void am57x_idk_lcd_detect(void)
        if (board_is_am571x_idk() && !am571x_idk_needs_lcd())
                goto out;
 
-       r = i2c_set_bus_num(OSD_TS_FT_BUS_ADDRESS);
-       if (r) {
-               printf("%s: Failed to set bus address to %d: %d\n",
-                      __func__, OSD_TS_FT_BUS_ADDRESS, r);
-               goto out;
-       }
-       r = i2c_probe(OSD_TS_FT_CHIP_ADDRESS);
+       r = i2c_get_chip_for_busnum(OSD_TS_FT_BUS_ADDRESS,
+                                   OSD_TS_FT_CHIP_ADDRESS, 1, &dev);
        if (r) {
+               printf("%s: Failed to get I2C device %d/%d (ret %d)\n",
+                      __func__, OSD_TS_FT_BUS_ADDRESS, OSD_TS_FT_CHIP_ADDRESS,
+                      r);
                /* AM572x IDK has no explicit settings for optional LCD kit */
-               if (board_is_am571x_idk()) {
+               if (board_is_am571x_idk())
                        printf("%s: Touch screen detect failed: %d!\n",
                               __func__, r);
-               }
                goto out;
        }
 
        /* Read FT ID */
-       r = i2c_read(OSD_TS_FT_CHIP_ADDRESS, OSD_TS_FT_REG_ID, 1, &buf, 1);
-       if (r) {
+       r = dm_i2c_reg_read(dev, OSD_TS_FT_REG_ID);
+       if (r < 0) {
                printf("%s: Touch screen ID read %d:0x%02x[0x%02x] failed:%d\n",
                       __func__, OSD_TS_FT_BUS_ADDRESS, OSD_TS_FT_CHIP_ADDRESS,
                       OSD_TS_FT_REG_ID, r);
                goto out;
        }
 
-       switch (buf) {
+       switch (r) {
        case OSD_TS_FT_ID_5606:
                idk_lcd = "osd101t2045";
                break;
@@ -667,7 +664,7 @@ void am57x_idk_lcd_detect(void)
                break;
        default:
                printf("%s: Unidentifed Touch screen ID 0x%02x\n",
-                      __func__, buf);
+                      __func__, r);
                /* we will let default be "no lcd" */
        }
 out: