linux-kernel - Re: [PATCH 1/1] usb: gadget: tegra-xudc: Add Tegra234 SOC support

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Date:   Wed, 28 Sep 2022 20:03:56 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Wayne Chang <waynec@...dia.com>, balbi@...nel.org,
        gregkh@...uxfoundation.org, thierry.reding@...il.com
Cc:     singhanc@...dia.com, linux-usb@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] usb: gadget: tegra-xudc: Add Tegra234 SOC support


On 28/09/2022 14:55, Wayne Chang wrote:
> From: Sing-Han Chen <singhanc@...dia.com>
> 
> This commit adds XUSB device mode controller support on Tegra234 SoC.
> Tegra234 XUDC is very similar to the existing Tegra194 XUDC.
> 
> Signed-off-by: Sing-Han Chen <singhanc@...dia.com>
> Signed-off-by: Wayne Chang <waynec@...dia.com>
> ---
>   drivers/usb/gadget/udc/tegra-xudc.c | 17 +++++++++++++++++
>   1 file changed, 17 insertions(+)
> 
> diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
> index 3c37effdfa64..53277aa5a270 100644
> --- a/drivers/usb/gadget/udc/tegra-xudc.c
> +++ b/drivers/usb/gadget/udc/tegra-xudc.c
> @@ -3656,6 +3656,19 @@ static struct tegra_xudc_soc tegra194_xudc_soc_data = {
>   	.has_ipfs = false,
>   };
>   
> +static struct tegra_xudc_soc tegra234_xudc_soc_data = {
> +	.clock_names = tegra186_xudc_clock_names,
> +	.num_clks = ARRAY_SIZE(tegra186_xudc_clock_names),
> +	.num_phys = 4,
> +	.u1_enable = true,
> +	.u2_enable = true,
> +	.lpm_enable = true,
> +	.invalid_seq_num = false,
> +	.pls_quirk = false,
> +	.port_reset_quirk = false,
> +	.has_ipfs = false,
> +};
> +
>   static const struct of_device_id tegra_xudc_of_match[] = {
>   	{
>   		.compatible = "nvidia,tegra210-xudc",
> @@ -3669,6 +3682,10 @@ static const struct of_device_id tegra_xudc_of_match[] = {
>   		.compatible = "nvidia,tegra194-xudc",
>   		.data = &tegra194_xudc_soc_data
>   	},
> +	{
> +		.compatible = "nvidia,tegra234-xudc",
> +		.data = &tegra234_xudc_soc_data
> +	},


The device-tree binding documentation is missing for this compatible 
string. Please send a patch to add this compatible string to the 
appropriate binding doc.

Thanks!
Jon

-- 
nvpublic