imx: ventana: add fdt fixup to enable UHS-I support on selected boards

[people/ms/u-boot.git] / board / gateworks / gw_ventana / gw_ventana.c

diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 15e4bf129aced131c2abf95318bc7f65f729d04a..82313e8a7a0557e65e744741a53006a31078df5d 100644 (file)
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -60,8 +60,7 @@ static iomux_v3_cfg_t const usdhc3_pads[] = {
        IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
        IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
        IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       /* CD */
-       IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00  | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00  | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
 };
 
 /* ENET */
@@ -792,6 +791,17 @@ static inline void ft_enable_path(void *blob, const char *path)
        }
 }
 
+/* remove a property of a node if the node is found */
+static inline void ft_delprop_path(void *blob, const char *path,
+                                  const char *name)
+{
+       int i = fdt_path_offset(blob, path);
+       if (i) {
+               debug("removing %s/%s\n", path, name);
+               fdt_delprop(blob, i, name);
+       }
+}
+
 /*
  * called prior to booting kernel or by 'fdt boardsetup' command
  *
@@ -895,6 +905,11 @@ int ft_board_setup(void *blob, bd_t *bd)
                                range[1] = cpu_to_fdt32(23);
                        }
                }
+
+               /* these have broken usd_vsel */
+               if (strstr((const char *)info->model, "SP318-B") ||
+                   strstr((const char *)info->model, "SP331-B"))
+                       gpio_cfg[board_type].usd_vsel = 0;
        }
 
        /*
@@ -954,6 +969,13 @@ int ft_board_setup(void *blob, bd_t *bd)
                }
        }
 
+       /* remove no-1-8-v if UHS-I support is present */
+       if (gpio_cfg[board_type].usd_vsel) {
+               debug("Enabling UHS-I support\n");
+               ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000",
+                               "no-1-8-v");
+       }
+
        /*
         * Peripheral Config:
         *  remove nodes by alias path if EEPROM config tells us the