usb: dwc2: add support of hi6220

Support hisilicon,hi6220-usb for HiKey board

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index fd132cb..2213682 100644 (file)
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -4,6 +4,7 @@ Platform DesignWare HS OTG USB 2.0 controller
 Required properties:
 - compatible : One of:
   - brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC.
+  - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC.
   - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
   - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
   - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 095bc05..5df2adf 100644 (file)
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -54,6 +54,38 @@
 
 static const char dwc2_driver_name[] = "dwc2";
 
+static const struct dwc2_core_params params_hi6220 = {
+       .otg_cap                        = 2,    /* No HNP/SRP capable */
+       .otg_ver                        = 0,    /* 1.3 */
+       .dma_enable                     = 1,
+       .dma_desc_enable                = 0,
+       .dma_desc_fs_enable             = 0,
+       .speed                          = 0,    /* High Speed */
+       .enable_dynamic_fifo            = 1,
+       .en_multiple_tx_fifo            = 1,
+       .host_rx_fifo_size              = 512,
+       .host_nperio_tx_fifo_size       = 512,
+       .host_perio_tx_fifo_size        = 512,
+       .max_transfer_size              = 65535,
+       .max_packet_count               = 511,
+       .host_channels                  = 16,
+       .phy_type                       = 1,    /* UTMI */
+       .phy_utmi_width                 = 8,
+       .phy_ulpi_ddr                   = 0,    /* Single */
+       .phy_ulpi_ext_vbus              = 0,
+       .i2c_enable                     = 0,
+       .ulpi_fs_ls                     = 0,
+       .host_support_fs_ls_low_power   = 0,
+       .host_ls_low_power_phy_clk      = 0,    /* 48 MHz */
+       .ts_dline                       = 0,
+       .reload_ctl                     = 0,
+       .ahbcfg                         = GAHBCFG_HBSTLEN_INCR16 <<
+                                         GAHBCFG_HBSTLEN_SHIFT,
+       .uframe_sched                   = 0,
+       .external_id_pin_ctl            = -1,
+       .hibernation                    = -1,
+};
+
 static const struct dwc2_core_params params_bcm2835 = {
        .otg_cap                        = 0,    /* HNP/SRP capable */
        .otg_ver                        = 0,    /* 1.3 */
@@ -310,6 +342,7 @@ static int dwc2_driver_remove(struct platform_device *dev)
 
 static const struct of_device_id dwc2_of_match_table[] = {
        { .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },
+       { .compatible = "hisilicon,hi6220-usb", .data = &params_hi6220 },
        { .compatible = "rockchip,rk3066-usb", .data = &params_rk3066 },
        { .compatible = "snps,dwc2", .data = NULL },
        { .compatible = "samsung,s3c6400-hsotg", .data = NULL},