[U-Boot] [PATCH v4 12/19] rockchip: board: rk3066: convert board_usb_init to live tree functions

[=?UTF-8?q?Pawe=C5=82=20Jarosz?=]

Use live tree functions to fill dwc2_plat_otg_data structure in board_usb_init.

Signed-off-by: Paweł Jarosz <paweljarosz3...@gmail.com>
---
Changes since v1:
- none

Changes since v2:
- none

Changes since v3:
- none

 arch/arm/mach-rockchip/rk3066-board.c | 52 +++++------------------------------
 1 file changed, 7 insertions(+), 45 deletions(-)

diff --git a/arch/arm/mach-rockchip/rk3066-board.c 
b/arch/arm/mach-rockchip/rk3066-board.c
index 8fa06a2..2b96eb2 100644
--- a/arch/arm/mach-rockchip/rk3066-board.c
+++ b/arch/arm/mach-rockchip/rk3066-board.c
@@ -90,55 +90,17 @@ static struct dwc2_plat_otg_data rk3066_otg_data = {
 
 int board_usb_init(int index, enum usb_init_type init)
 {
-       int node, phy_node;
-       const char *mode;
-       bool matched = false;
-       const void *blob = gd->fdt_blob;
-       u32 grf_phy_offset;
-
-       /* find the usb_otg node */
-       node = fdt_node_offset_by_compatible(blob, -1,
-                                       "rockchip,rk3066-usb");
-
-       while (node > 0) {
-               mode = fdt_getprop(blob, node, "dr_mode", NULL);
-               if (mode && strcmp(mode, "otg") == 0) {
-                       matched = true;
-                       break;
-               }
-
-               node = fdt_node_offset_by_compatible(blob, node,
-                                       "rockchip,rk3066-usb");
-       }
-       if (!matched) {
-               debug("Not found usb_otg device\n");
-               return -ENODEV;
-       }
-       rk3066_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
+       ofnode otg_node;
+       u32 reg;
 
-       node = fdtdec_lookup_phandle(blob, node, "phys");
-       if (node <= 0) {
-               debug("Not found usb phy device\n");
+       otg_node = ofnode_path("/usb@10180000");
+       if (!ofnode_valid(otg_node)) {
+               debug("Not found usb otg device\n");
                return -ENODEV;
        }
 
-       phy_node = fdt_parent_offset(blob, node);
-       if (phy_node <= 0) {
-               debug("Not found usb phy device\n");
-               return -ENODEV;
-       }
-
-       rk3066_otg_data.phy_of_node = phy_node;
-       grf_phy_offset = fdtdec_get_addr(blob, node, "reg");
-
-       node = fdt_node_offset_by_compatible(blob, -1,
-                                       "rockchip,rk3066-grf");
-       if (node <= 0) {
-               debug("Not found grf device\n");
-               return -ENODEV;
-       }
-       rk3066_otg_data.regs_phy = grf_phy_offset +
-                               fdtdec_get_addr(blob, node, "reg");
+       ofnode_read_u32(otg_node, "reg", &reg);
+       rk3066_otg_data.regs_otg = reg;
 
        return dwc2_udc_probe(&rk3066_otg_data);
 }
-- 
2.7.4

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