rockchip: clean up board_usb_init() for all SoCs

Use "snps,dwc2" for compatible name and and common variable
names so that we can share the common code for all SoCs.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

1 files changed, 6 insertions, 32 deletions

diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index a250d50387..23c5343eb8 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -171,7 +171,7 @@ void enable_caches(void)
 #include <usb.h>
 #include <usb/dwc2_udc.h>
 
-static struct dwc2_plat_otg_data rk3288_otg_data = {
+static struct dwc2_plat_otg_data otg_data = {
 	.rx_fifo_sz	= 512,
 	.np_tx_fifo_sz	= 16,
 	.tx_fifo_sz	= 128,
@@ -179,15 +179,14 @@ static struct dwc2_plat_otg_data rk3288_otg_data = {
 
 int board_usb_init(int index, enum usb_init_type init)
 {
-	int node, phy_node;
+	int 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,rk3288-usb");
+					"snps,dwc2");
 
 	while (node > 0) {
 		mode = fdt_getprop(blob, node, "dr_mode", NULL);
@@ -197,40 +196,15 @@ int board_usb_init(int index, enum usb_init_type init)
 		}
 
 		node = fdt_node_offset_by_compatible(blob, node,
-					"rockchip,rk3288-usb");
+					"snps,dwc2");
 	}
 	if (!matched) {
 		debug("Not found usb_otg device\n");
 		return -ENODEV;
 	}
-	rk3288_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
+	otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
 
-	node = fdtdec_lookup_phandle(blob, node, "phys");
-	if (node <= 0) {
-		debug("Not found usb phy device\n");
-		return -ENODEV;
-	}
-
-	phy_node = fdt_parent_offset(blob, node);
-	if (phy_node <= 0) {
-		debug("Not found usb phy device\n");
-		return -ENODEV;
-	}
-
-	rk3288_otg_data.phy_of_node = phy_node;
-	grf_phy_offset = fdtdec_get_addr(blob, node, "reg");
-
-	/* find the grf node */
-	node = fdt_node_offset_by_compatible(blob, -1,
-					"rockchip,rk3288-grf");
-	if (node <= 0) {
-		debug("Not found grf device\n");
-		return -ENODEV;
-	}
-	rk3288_otg_data.regs_phy = grf_phy_offset +
-				fdtdec_get_addr(blob, node, "reg");
-
-	return dwc2_udc_probe(&rk3288_otg_data);
+	return dwc2_udc_probe(&otg_data);
 }
 
 int board_usb_cleanup(int index, enum usb_init_type init)