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

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Message-ID: <d9f3a797-3343-e868-b864-696cb3e7e878@nvidia.com>
Date:   Thu, 29 Sep 2022 08:40:57 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Wayne Chang <waynec@...dia.com>,
        "balbi@...nel.org" <balbi@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>
Cc:     Sing-Han Chen <singhanc@...dia.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] usb: gadget: tegra-xudc: Add Tegra234 SOC support


On 29/09/2022 04:46, Wayne Chang wrote:
> Hi Jonathan,
> 
> Thanks for the review.
> 
> On 9/29/22 03:04, Jonathan Hunter wrote:
>>
>> 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. Sent out the change to add the compatible string to xudc binding
> doc.
> 
> https://lore.kernel.org/all/20220929034221.3817058-1-waynec@nvidia.com/T/#u

OK. Always best to send out these patches in a series together. I see 
Krzysztof asking for the driver and DTS change. Given that we are 
already at v6.0-rc7 this will not make v6.1, and so good to put all the 
patches together in a series and resend.

Thanks
Jon

-- 
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