Like it is done for other Rockchip SoCs, introduce a board_usb_init()
function so that USB OTG can be functional on rv1108 too.

Signed-off-by: Otavio Salvador <ota...@ossystems.com.br>
---

 arch/arm/dts/rv1108.dtsi              | 45 ++++++++++++++-
 arch/arm/mach-rockchip/Makefile       |  1 +
 arch/arm/mach-rockchip/rv1108-board.c | 81 +++++++++++++++++++++++++++
 3 files changed, 124 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/mach-rockchip/rv1108-board.c

diff --git a/arch/arm/dts/rv1108.dtsi b/arch/arm/dts/rv1108.dtsi
index 23a44bfaca..215d885225 100644
--- a/arch/arm/dts/rv1108.dtsi
+++ b/arch/arm/dts/rv1108.dtsi
@@ -121,8 +121,35 @@
        };
 
        grf: syscon@10300000 {
-               compatible = "rockchip,rv1108-grf", "syscon";
+               compatible = "rockchip,rv1108-grf", "syscon", "simple-mfd";
                reg = <0x10300000 0x1000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               u2phy: usb2-phy@100 {
+                       compatible = "rockchip,rv1108-usb2phy";
+                       reg = <0x100 0x0c>;
+                       clocks = <&cru SCLK_USBPHY>;
+                       clock-names = "phyclk";
+                       #clock-cells = <0>;
+                       clock-output-names = "usbphy";
+                       rockchip,usbgrf = <&usbgrf>;
+                       status = "disabled";
+
+                       u2phy_otg: otg-port {
+                               interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+                               interrupt-names = "otg-mux";
+                               #phy-cells = <0>;
+                               status = "disabled";
+                       };
+
+                       u2phy_host: host-port {
+                               interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+                               interrupt-names = "linestate";
+                               #phy-cells = <0>;
+                               status = "disabled";
+                       };
+               };
        };
 
        saradc: saradc@1038c000 {
@@ -141,6 +168,11 @@
                reg = <0x20060000 0x1000>;
        };
 
+       usbgrf: syscon@202a0000 {
+               compatible = "rockchip,rv1108-usbgrf", "syscon";
+               reg = <0x202a0000 0x1000>;
+       };
+
        cru: clock-controller@20200000 {
                compatible = "rockchip,rv1108-cru";
                reg = <0x20200000 0x1000>;
@@ -200,12 +232,19 @@
        };
 
        usb20_otg: usb@30180000 {
-               compatible = "rockchip,rv1108-usb", "rockchip,rk3288-usb",
+               compatible = "rockchip,rv1108-usb", "rockchip,rk3066-usb",
                             "snps,dwc2";
                reg = <0x30180000 0x40000>;
                interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
-               hnp-srp-disable;
+               clocks = <&cru HCLK_OTG>;
+               clock-names = "otg";
                dr_mode = "otg";
+               g-np-tx-fifo-size = <16>;
+               g-rx-fifo-size = <280>;
+               g-tx-fifo-size = <256 128 128 64 32 16>;
+               g-use-dma;
+               phys = <&u2phy_otg>;
+               phy-names = "usb2-phy";
                status = "disabled";
        };
 
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 05706c472a..368302e1da 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_ROCKCHIP_RK322X) += rk322x-board.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board.o
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board.o
 obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board.o
+obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108-board.o
 endif
 
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o
diff --git a/arch/arm/mach-rockchip/rv1108-board.c 
b/arch/arm/mach-rockchip/rv1108-board.c
new file mode 100644
index 0000000000..3412f2c063
--- /dev/null
+++ b/arch/arm/mach-rockchip/rv1108-board.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2015 Google, Inc
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
+#include <usb.h>
+#include <usb/dwc2_udc.h>
+
+static struct dwc2_plat_otg_data rv1108_otg_data = {
+       .rx_fifo_sz     = 512,
+       .np_tx_fifo_sz  = 16,
+       .tx_fifo_sz     = 128,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+       const void *blob = gd->fdt_blob;
+       bool matched = false;
+       int node, phy_node;
+       u32 grf_phy_offset;
+       const char *mode;
+
+       /* 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("usb_otg device not found\n");
+               return -ENODEV;
+       }
+
+       rv1108_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
+
+       node = fdtdec_lookup_phandle(blob, node, "phys");
+       if (node <= 0) {
+               debug("phys node not found\n");
+               return -ENODEV;
+       }
+
+       phy_node = fdt_parent_offset(blob, node);
+       if (phy_node <= 0) {
+               debug("usb phy node not found\n");
+               return -ENODEV;
+       }
+
+       rv1108_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,rv1108-grf");
+       if (node <= 0) {
+               debug("grf node not found\n");
+               return -ENODEV;
+       }
+
+       rv1108_otg_data.regs_phy = grf_phy_offset + fdtdec_get_addr(blob, node,
+                                                                   "reg");
+
+       return dwc2_udc_probe(&rv1108_otg_data);
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+       return 0;
+}
+#endif
-- 
2.19.1

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