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[178.235.177.147]) by smtp.gmail.com with ESMTPSA id w21-20020a19c515000000b00502e0ea7174sm479791lfe.186.2023.10.06.16.57.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Oct 2023 16:57:58 -0700 (PDT) Message-ID: <0007b5ff-34d4-44c0-80bd-8277d5842c01@linaro.org> Date: Sat, 7 Oct 2023 01:57:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/8] phy: qcom: Introduce Super-Speed USB UNIPHY driver Content-Language: en-US To: Dmitry Baryshkov , Praveenkumar I Cc: agross@kernel.org, andersson@kernel.org, vkoul@kernel.org, kishon@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, catalin.marinas@arm.com, will@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, arnd@arndb.de, neil.armstrong@linaro.org, nfraprado@collabora.com, u-kumar1@ti.com, peng.fan@nxp.com, quic_wcheng@quicinc.com, quic_varada@quicinc.com, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, quic_kathirav@quicinc.com, quic_nsekar@quicinc.com, quic_srichara@quicinc.com References: <20230929084209.3033093-1-quic_ipkumar@quicinc.com> <20230929084209.3033093-3-quic_ipkumar@quicinc.com> <412492d1-fcc9-481c-9d28-b208a644ba1d@linaro.org> <7975c638-29cf-45ce-9d76-b8a93d750eb7@quicinc.com> From: Konrad Dybcio Autocrypt: addr=konrad.dybcio@linaro.org; keydata= xsFNBF9ALYUBEADWAhxdTBWrwAgDQQzc1O/bJ5O7b6cXYxwbBd9xKP7MICh5YA0DcCjJSOum BB/OmIWU6X+LZW6P88ZmHe+KeyABLMP5s1tJNK1j4ntT7mECcWZDzafPWF4F6m4WJOG27kTJ HGWdmtO+RvadOVi6CoUDqALsmfS3MUG5Pj2Ne9+0jRg4hEnB92AyF9rW2G3qisFcwPgvatt7 TXD5E38mLyOPOUyXNj9XpDbt1hNwKQfiidmPh5e7VNAWRnW1iCMMoKqzM1Anzq7e5Afyeifz zRcQPLaqrPjnKqZGL2BKQSZDh6NkI5ZLRhhHQf61fkWcUpTp1oDC6jWVfT7hwRVIQLrrNj9G MpPzrlN4YuAqKeIer1FMt8cq64ifgTzxHzXsMcUdclzq2LTk2RXaPl6Jg/IXWqUClJHbamSk t1bfif3SnmhA6TiNvEpDKPiT3IDs42THU6ygslrBxyROQPWLI9IL1y8S6RtEh8H+NZQWZNzm UQ3imZirlPjxZtvz1BtnnBWS06e7x/UEAguj7VHCuymVgpl2Za17d1jj81YN5Rp5L9GXxkV1 aUEwONM3eCI3qcYm5JNc5X+JthZOWsbIPSC1Rhxz3JmWIwP1udr5E3oNRe9u2LIEq+wH/toH kpPDhTeMkvt4KfE5m5ercid9+ZXAqoaYLUL4HCEw+HW0DXcKDwARAQABzShLb25yYWQgRHli Y2lvIDxrb25yYWQuZHliY2lvQGxpbmFyby5vcmc+wsGOBBMBCAA4FiEEU24if9oCL2zdAAQV R4cBcg5dfFgFAmQ5bqwCGwMFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQR4cBcg5dfFjO BQ//YQV6fkbqQCceYebGg6TiisWCy8LG77zV7DB0VMIWJv7Km7Sz0QQrHQVzhEr3trNenZrf yy+o2tQOF2biICzbLM8oyQPY8B///KJTWI2khoB8IJSJq3kNG68NjPg2vkP6CMltC/X3ohAo xL2UgwN5vj74QnlNneOjc0vGbtA7zURNhTz5P/YuTudCqcAbxJkbqZM4WymjQhe0XgwHLkiH 5LHSZ31MRKp/+4Kqs4DTXMctc7vFhtUdmatAExDKw8oEz5NbskKbW+qHjW1XUcUIrxRr667V GWH6MkVceT9ZBrtLoSzMLYaQXvi3sSAup0qiJiBYszc/VOu3RbIpNLRcXN3KYuxdQAptacTE mA+5+4Y4DfC3rUSun+hWLDeac9z9jjHm5rE998OqZnOU9aztbd6zQG5VL6EKgsVXAZD4D3RP x1NaAjdA3MD06eyvbOWiA5NSzIcC8UIQvgx09xm7dThCuQYJR4Yxjd+9JPJHI6apzNZpDGvQ BBZzvwxV6L1CojUEpnilmMG1ZOTstktWpNzw3G2Gis0XihDUef0MWVsQYJAl0wfiv/0By+XK mm2zRR+l/dnzxnlbgJ5pO0imC2w0TVxLkAp0eo0LHw619finad2u6UPQAkZ4oj++iIGrJkt5 Lkn2XgB+IW8ESflz6nDY3b5KQRF8Z6XLP0+IEdLOOARkOW7yEgorBgEEAZdVAQUBAQdAwmUx xrbSCx2ksDxz7rFFGX1KmTkdRtcgC6F3NfuNYkYDAQgHwsF2BBgBCAAgFiEEU24if9oCL2zd AAQVR4cBcg5dfFgFAmQ5bvICGwwACgkQR4cBcg5dfFju1Q//Xta1ShwL0MLSC1KL1lXGXeRM 8arzfyiB5wJ9tb9U/nZvhhdfilEDLe0jKJY0RJErbdRHsalwQCrtq/1ewQpMpsRxXzAjgfRN jc4tgxRWmI+aVTzSRpywNahzZBT695hMz81cVZJoZzaV0KaMTlSnBkrviPz1nIGHYCHJxF9r cIu0GSIyUjZ/7xslxdvjpLth16H27JCWDzDqIQMtg61063gNyEyWgt1qRSaK14JIH/DoYRfn jfFQSC8bffFjat7BQGFz4ZpRavkMUFuDirn5Tf28oc5ebe2cIHp4/kajTx/7JOxWZ80U70mA cBgEeYSrYYnX+UJsSxpzLc/0sT1eRJDEhI4XIQM4ClIzpsCIN5HnVF76UQXh3a9zpwh3dk8i bhN/URmCOTH+LHNJYN/MxY8wuukq877DWB7k86pBs5IDLAXmW8v3gIDWyIcgYqb2v8QO2Mqx YMqL7UZxVLul4/JbllsQB8F/fNI8AfttmAQL9cwo6C8yDTXKdho920W4WUR9k8NT/OBqWSyk bGqMHex48FVZhexNPYOd58EY9/7mL5u0sJmo+jTeb4JBgIbFPJCFyng4HwbniWgQJZ1WqaUC nas9J77uICis2WH7N8Bs9jy0wQYezNzqS+FxoNXmDQg2jetX8en4bO2Di7Pmx0jXA4TOb9TM izWDgYvmBE8= In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231006_165803_310456_204DFD69 X-CRM114-Status: GOOD ( 16.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 3.10.2023 16:54, Dmitry Baryshkov wrote: > On Tue, 3 Oct 2023 at 17:22, Praveenkumar I wrote: >> >> >> >> On 9/30/2023 10:48 PM, Dmitry Baryshkov wrote: >>> On 29/09/2023 11:42, Praveenkumar I wrote: >>>> Adds Qualcomm 22ull Super-Speed USB UNIPHY driver support which >>>> is present in Qualcomm IPQ5332 SoC. This PHY is interfaced with >>>> SNPS DWC3 USB and SNPS DWC PCIe. Either one of the interface >>>> can use the it and selection is done via mux present in TCSR >>>> register. This driver selects the PHY for DWC3 USB and handles >>>> the reset, clocks and regulator. >>>> >>>> Signed-off-by: Praveenkumar I >>>> --- >>>> drivers/phy/qualcomm/Kconfig | 11 + >>>> drivers/phy/qualcomm/Makefile | 1 + >>>> drivers/phy/qualcomm/phy-qcom-uniphy-usb.c | 322 +++++++++++++++++++++ >>>> 3 files changed, 334 insertions(+) >>>> create mode 100644 drivers/phy/qualcomm/phy-qcom-uniphy-usb.c >>>> >>>> diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig >>>> index d891058b7c39..7257c8455c53 100644 >>>> --- a/drivers/phy/qualcomm/Kconfig >>>> +++ b/drivers/phy/qualcomm/Kconfig >>>> @@ -154,6 +154,17 @@ config PHY_QCOM_M31_USB >>>> management. This driver is required even for peripheral only or >>>> host only mode configurations. >>>> +config PHY_QCOM_UNIPHY_USB >>>> + tristate "Qualcomm USB Super-Speed UNIPHY driver" >>> >>> Can we please have more specific driver name? As I wrote earlier, >>> there are two other (different) kinds of Qualcomm UNI PHY devices: >>> - DSI / HDMI UNIPHY on apq8064 / msm8974 / msm8960 (?) >>> - USB QMP UNI PHY drivers >>> >>> Adding a driver called UNIPHY, which is not related to those two kinds >>> sounds pretty confusing to me. >> This UNIPHY is different from above mentioned ones. This a custom >> version for 22nm on Qualcomm IPQ5332. >> Can we name the driver as phy-qcom-uniphy-usb-ss-22ull.c / >> phy-qcom-usb-ss-22ull.c ? > > usb-ss-22ull sounds better. Or maybe usb-ipq-ss usb-ipq-ss is as safe as usb-msm-ss We can not rely on the hardware never ever changing down the product line :D Konrad _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel