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Commit f94310ac authored by Jerome Brunet's avatar Jerome Brunet Committed by Kevin Hilman
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usb: dwc2: add support for Meson8b and GXBB SoCs 



Add compatible strings for amlogic Meson8b and GXBB SoCs with the
corresponding configuration parameters.

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarKevin Hilman <khilman@baylibre.com>
parent 466fd24b

Documentation/devicetree/bindings/usb/dwc2.txt

+2 −0
Original line number Diff line number Diff line
@@ -10,6 +10,8 @@ Required properties: 
  - "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;

  - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs;

  - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 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
@@ -181,6 +181,38 @@ static const struct dwc2_core_params params_ltq = { 
	.hibernation			= -1,

};



static const struct dwc2_core_params params_amlogic = {

	.otg_cap			= DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE,

	.otg_ver			= -1,

	.dma_enable			= 1,

	.dma_desc_enable		= 0,

	.dma_desc_fs_enable		= 0,

	.speed				= DWC2_SPEED_PARAM_HIGH,

	.enable_dynamic_fifo		= 1,

	.en_multiple_tx_fifo		= -1,

	.host_rx_fifo_size		= 512,

	.host_nperio_tx_fifo_size	= 500,

	.host_perio_tx_fifo_size	= 500,

	.max_transfer_size		= -1,

	.max_packet_count		= -1,

	.host_channels			= 16,

	.phy_type			= DWC2_PHY_TYPE_PARAM_UTMI,

	.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_INCR8 <<

					  GAHBCFG_HBSTLEN_SHIFT,

	.uframe_sched			= 0,

	.external_id_pin_ctl		= -1,

	.hibernation			= -1,

};



/*

 * Check the dr_mode against the module configuration and hardware

 * capabilities.
@@ -464,6 +496,8 @@ static const struct of_device_id dwc2_of_match_table[] = { 
	{ .compatible = "lantiq,xrx200-usb", .data = &params_ltq },

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

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

	{ .compatible = "amlogic,meson8b-usb", .data = &params_amlogic },

	{ .compatible = "amlogic,meson-gxbb-usb", .data = &params_amlogic },

	{},

};

MODULE_DEVICE_TABLE(of, dwc2_of_match_table);