Commit 6c0c0951 authored by Antti Seppälä's avatar Antti Seppälä Committed by Felipe Balbi
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usb: dwc2: Add support for Lantiq ARX and XRX SoCs 



Add support for Lantiq ARX and XRX SoC families to the dwc2 driver.

Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarAntti Seppälä <a.seppala@gmail.com>
Signed-off-by: default avatarFelipe Balbi <balbi@kernel.org>
parent 2eafe93b

Documentation/devicetree/bindings/usb/dwc2.txt

+2 −0
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@ Required properties: 
  - 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;

  - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;

  - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;

  - snps,dwc2: A generic DWC2 USB controller with default parameters.

- reg : Should contain 1 register range (address and length)

- interrupts : Should contain 1 interrupt

drivers/usb/dwc2/platform.c

+34 −0
Original line number Diff line number Diff line
@@ -149,6 +149,38 @@ static const struct dwc2_core_params params_rk3066 = { 
	.hibernation			= -1,

};



static const struct dwc2_core_params params_ltq = {

	.otg_cap			= 2,	/* non-HNP/non-SRP */

	.otg_ver			= -1,

	.dma_enable			= -1,

	.dma_desc_enable		= -1,

	.dma_desc_fs_enable		= -1,

	.speed				= -1,

	.enable_dynamic_fifo		= -1,

	.en_multiple_tx_fifo		= -1,

	.host_rx_fifo_size		= 288,	/* 288 DWORDs */

	.host_nperio_tx_fifo_size	= 128,	/* 128 DWORDs */

	.host_perio_tx_fifo_size	= 96,	/* 96 DWORDs */

	.max_transfer_size		= 65535,

	.max_packet_count		= 511,

	.host_channels			= -1,

	.phy_type			= -1,

	.phy_utmi_width			= -1,

	.phy_ulpi_ddr			= -1,

	.phy_ulpi_ext_vbus		= -1,

	.i2c_enable			= -1,

	.ulpi_fs_ls			= -1,

	.host_support_fs_ls_low_power	= -1,

	.host_ls_low_power_phy_clk	= -1,

	.ts_dline			= -1,

	.reload_ctl			= -1,

	.ahbcfg				= GAHBCFG_HBSTLEN_INCR16 <<

					  GAHBCFG_HBSTLEN_SHIFT,

	.uframe_sched			= -1,

	.external_id_pin_ctl		= -1,

	.hibernation			= -1,

};



/*

 * Check the dr_mode against the module configuration and hardware

 * capabilities.
@@ -428,6 +460,8 @@ 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 = "lantiq,arx100-usb", .data = &params_ltq },

	{ .compatible = "lantiq,xrx200-usb", .data = &params_ltq },

	{ .compatible = "snps,dwc2", .data = NULL },

	{ .compatible = "samsung,s3c6400-hsotg", .data = NULL},

	{},