Re: [PATCH] usb: dwc2: Add support for Lantiq ARX and XRX SoCs

[John Youn <John.Youn@xxxxxxxxxxxx>]

On 2/27/2016 2:32 AM, Antti Seppälä wrote:
> Add support for Lantiq ARX and XRX SoC families to the dwc2 driver.
> 
> Signed-off-by: Antti Seppälä <a.seppala@xxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/usb/dwc2.txt |  2 ++
>  drivers/usb/dwc2/platform.c                    | 34 ++++++++++++++++++++++++++
>  2 files changed, 36 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
> index 2213682..20a68bf 100644
> --- a/Documentation/devicetree/bindings/usb/dwc2.txt
> +++ b/Documentation/devicetree/bindings/usb/dwc2.txt
> @@ -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
> diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
> index 690b9fd..0e9e4d3 100644
> --- a/drivers/usb/dwc2/platform.c
> +++ b/drivers/usb/dwc2/platform.c
> @@ -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},
>  	{},
> 


Acked-by: John Youn <johnyoun@xxxxxxxxxxxx>


John

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