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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 8/10/26 5:42 PM, Dmitry Baryshkov wrote: > The MSM8974 HSIC USB host - a third Chipidea controller with a > dedicated HSIC PHY on the special hsic_strobe/hsic_data pads - is not > described, leaving boards with HSIC-attached hubs or modems without > upstream support. > > Add the controller and PHY nodes. The PHY is a ULPI bus driver present > inside the ulpi subnode. > > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Dmitry Baryshkov > --- [...] > + usb_hsic: usb@f9a00000 { > + compatible = "qcom,ci-hdrc"; I see the driver determines whether the controller is a HSIC one by querying the compatible string of the PHY.. fancy.. would it be desirable to have a separate compatible for the controller itself, or is it more or less the same vs a non-hsic one? > + reg = <0xf9a00000 0x200>, > + <0xf9a00200 0x200>; > + interrupts = , > + ; > + assigned-clocks = <&gcc GCC_USB_HSIC_SYSTEM_CLK>, > + <&gcc GCC_USB_HSIC_CLK>, > + <&gcc GCC_USB_HSIC_IO_CAL_CLK>; > + assigned-clock-rates = <75000000>, Do you have any docs that would detail whether we can run with the slower, 60 MHz clock here? > + <480000000>, > + <9600000>; > + clocks = <&gcc GCC_USB_HSIC_AHB_CLK>, > + <&gcc GCC_USB_HSIC_SYSTEM_CLK>; > + clock-names = "iface", "core"; > + resets = <&gcc GCC_USB_HS_HSIC_BCR>; > + reset-names = "core"; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: aPpfZ8XXHtJmJJj_xnqp9NtYwucFkjoR X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDA3NCBTYWx0ZWRfX/4eWFaxEn6ip vNdzbhpL17zy/1v64SUn06n7TyCI4Fu4w3z5QzrnhIqZ6rtCKWWweO4uTjhvZ6uDnMrT3SgSIQs kJ3NoyItpRV1WObD1Y4xRsJtNeb5yGTv95EvKnQsaa30ObhaVaaFDaNERal2oGVor5IGDGwT2bA NWMjU6blCJUiQec9071Td3pA8wNQqx329yAJkF9ub8YOaEK+R5YZZf6ncFPZf5lvBTfxkDW4obY jYlhFfXxoleyfhlY16/rgM2n5gZjnxvbHXW0sKssBDUgMnzdzIOljCorO1dbBNo7B/NEdy9NVS/ 86xe6tPqYJ0oLU8wzXx/jL9yODyHpMPyiVCxg9Y5YmrQqegSF6/RwsoGIblDbClR4RxBNXMj6pu Wd9PKfm8pAKYk87h6HmQwXmXXtFTRfnazGrF5lZmFGt8wDuXri6Ahx3pXRaE5WDW5MPSVaEqxEs d36/DSqvrkul3viJTcw== X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDA3NCBTYWx0ZWRfX3mw6HMrOVp7q VtLhrXcEl32mrnn1q8d4KVsFOtfeW3OPupEK/zhVeb1PhK1IDxJWX4rw6hZPJUcLr2JfMNzNRSN RhLQ5QvZs2g32+xslMQbC+yU6Z6USjY= X-Authority-Analysis: v=2.4 cv=FsU1OWrq c=1 sm=1 tr=0 ts=6a843100 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=7gRAf5yVggz7YA7u_AMA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: aPpfZ8XXHtJmJJj_xnqp9NtYwucFkjoR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-18_01,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180074 On 8/10/26 5:42 PM, Dmitry Baryshkov wrote: > The MSM8974 HSIC USB host - a third Chipidea controller with a > dedicated HSIC PHY on the special hsic_strobe/hsic_data pads - is not > described, leaving boards with HSIC-attached hubs or modems without > upstream support. > > Add the controller and PHY nodes. The PHY is a ULPI bus driver present > inside the ulpi subnode. > > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Dmitry Baryshkov > --- [...] > + usb_hsic: usb@f9a00000 { > + compatible = "qcom,ci-hdrc"; I see the driver determines whether the controller is a HSIC one by querying the compatible string of the PHY.. fancy.. would it be desirable to have a separate compatible for the controller itself, or is it more or less the same vs a non-hsic one? > + reg = <0xf9a00000 0x200>, > + <0xf9a00200 0x200>; > + interrupts = , > + ; > + assigned-clocks = <&gcc GCC_USB_HSIC_SYSTEM_CLK>, > + <&gcc GCC_USB_HSIC_CLK>, > + <&gcc GCC_USB_HSIC_IO_CAL_CLK>; > + assigned-clock-rates = <75000000>, Do you have any docs that would detail whether we can run with the slower, 60 MHz clock here? > + <480000000>, > + <9600000>; > + clocks = <&gcc GCC_USB_HSIC_AHB_CLK>, > + <&gcc GCC_USB_HSIC_SYSTEM_CLK>; > + clock-names = "iface", "core"; > + resets = <&gcc GCC_USB_HS_HSIC_BCR>; > + reset-names = "core"; > + power-domains = <&gcc USB_HS_HSIC_GDSC>; > + phys = <&usb_hsic_phy>; > + phy-names = "usb-phy"; > + phy_type = "ulpi"; > + dr_mode = "host"; > + ahb-burst-config = <0>; need required-opps Konrad