linux-kernel - Re: [PATCH 2/2] usb: dwc2: add support for Sophgo CV18XX/SG200X series SoC

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Message-ID: <676b59ee-cf7f-03a6-78a1-197cf5a66ec6@synopsys.com>
Date: Tue, 26 Mar 2024 07:31:45 +0000
From: Minas Harutyunyan <Minas.Harutyunyan@...opsys.com>
To: Inochi Amaoto <inochiama@...look.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Minas Harutyunyan <Minas.Harutyunyan@...opsys.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
CC: Chen Wang <unicorn_wang@...look.com>, Liu Gui <kenneth.liu@...hgo.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH 2/2] usb: dwc2: add support for Sophgo CV18XX/SG200X
 series SoC



On 3/26/24 06:37, Inochi Amaoto wrote:
> Add params for DWC2 IP in Sophgo CV18XX/SG200X series SoC.
> 
> Signed-off-by: Inochi Amaoto <inochiama@...look.com>

Acked-by: Minas Harutyunyan <hminas@...opsys.com>

> ---
>   drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++
>   1 file changed, 21 insertions(+)
> 
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
> index eb677c3cfd0b..171fcb34eb75 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -201,6 +201,25 @@ static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
>   	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
>   }
> 
> +static void dwc2_set_cv1800_params(struct dwc2_hsotg *hsotg)
> +{
> +	struct dwc2_core_params *p = &hsotg->params;
> +
> +	p->otg_caps.hnp_support = false;
> +	p->otg_caps.srp_support = false;
> +	p->host_dma = false;
> +	p->g_dma = false;
> +	p->speed = DWC2_SPEED_PARAM_HIGH;
> +	p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
> +	p->phy_utmi_width = 16;
> +	p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
> +	p->lpm = false;
> +	p->lpm_clock_gating = false;
> +	p->besl = false;
> +	p->hird_threshold_en = false;
> +	p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
> +}
> +
>   static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg)
>   {
>   	struct dwc2_core_params *p = &hsotg->params;
> @@ -295,6 +314,8 @@ const struct of_device_id dwc2_of_match_table[] = {
>   	  .data = dwc2_set_amlogic_a1_params },
>   	{ .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params },
>   	{ .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params },
> +	{ .compatible = "sophgo,cv1800-usb",
> +	  .data = dwc2_set_cv1800_params },
>   	{ .compatible = "st,stm32f4x9-fsotg",
>   	  .data = dwc2_set_stm32f4x9_fsotg_params },
>   	{ .compatible = "st,stm32f4x9-hsotg" },
> --
> 2.44.0
>