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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-161680e191esm9658182c88.11.2026.10.07.19.18.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2026 19:18:16 -0700 (PDT) Date: Thu, 8 Oct 2026 10:18:10 +0800 From: Shawn Guo To: Bartosz Golaszewski Cc: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , brgl@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa Subject: Re: [PATCH v2 2/4] arm64: dts: qcom: nord-embedded: Add USB resources and PHYs Message-ID: References: <20260922-nord-usb-dwc-dts-v2-0-ba2b39f1a843@oss.qualcomm.com> <20260922-nord-usb-dwc-dts-v2-2-ba2b39f1a843@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260922-nord-usb-dwc-dts-v2-2-ba2b39f1a843@oss.qualcomm.com> X-Authority-Analysis: v=2.4 cv=J4s/fwnS c=1 sm=1 tr=0 ts=6ac6fd6a cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=BekHPOajtWbrKas4g3gA:9 a=CjuIK1q_8ugA:10 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA4MDAwOCBTYWx0ZWRfX0QOq2MrBnllO XxsaR+a1cp24sebVB+hkgg/Osm2uetiOQlzagQy7MztIPw9VjyYJeCpxwhrRAJaRH9iVlXCwRgU vUfGCvMavXR/lukpWa7C3GUqKfD3pWg= X-Proofpoint-GUID: x3Egt0i4QeFmEaqq3scSsz5HmQZ8ezru X-Proofpoint-ORIG-GUID: x3Egt0i4QeFmEaqq3scSsz5HmQZ8ezru X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA4MDAwOCBTYWx0ZWRfXzC3MG1izHTAW +umfQMGO1JHgJRHO9ZxFd1U8YTAEaiaFzGKLH0MU8TK/rztX45O6b/ekcZTKsnYsjhpgXiEJGIi fWgqyzmwB8cENL4REwKLsWjL8MnGiUL89SYpfL6R3Uwc1IL4Jq+LHkxW5hJjdPlqmd/lobT/iO0 unhVPC4NGREOx6dcaw+aP+enfNVuUZX4bv4yZ8cqWcJsXTOX39UkmBTuV9BhwVP1/v+q4jaeJpE hclyBBCL3zX/EVP5L+4TiWd+3b+to9/t+XQU7DR4URv2OJcVwI6BTIPnmVvHhOL1HjrjPjMt6WJ YWGewCMDquhvbv4HkHGfnR8T7zU4UOuJrQh9Fup0KFIFlD7UV2XutuKd1e2MuQGh7Png6P1npdA +vwsxj9ovURJ+yLfwixZubdeg3KngdwHh3SBIieXa1VqS7tYjgcULS5A7Mo146fFiUl5bdpInin nlrXWnX8H2Q3oi6jXcQ== 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=2026-10-08_01,2026-10-06_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610020000 definitions=main-2610080008 On Tue, Sep 22, 2026 at 05:01:08PM +0200, Bartosz Golaszewski wrote: > Add the platform resources for the three USB controllers on the embedded > Nord variant: clocks, resets, power domains and interconnect paths. > > Add the eUSB2 PHY for each of the three controllers, plus the QMP combo > PHYs for USB_0 and USB_1, and feed the two QMP USB3 pipe clocks back > into negcc, which so far carried placeholder zeros in their place. > > The eUSB2 PHY of instance 2 gets no 'resets': the SoC provides only two > QUSB2PHY block resets, belonging to instances 0 and 1. Instance 2 comes > out of reset with the rest of the USB20 tile, driven by the controller. > > Signed-off-by: Bartosz Golaszewski > Reviewed-by: Abel Vesa > Signed-off-by: Shawn Guo > --- > arch/arm64/boot/dts/qcom/nord-embedded.dtsi | 311 +++++++++++++++++++++++++++- > 1 file changed, 309 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi > index c7ac2e66632e57852f6dd88d8070d5c28cf70d2f..e7ff8c420300f34a2ad4063ecad8a31f08b8d80b 100644 > --- a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi > +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi > @@ -11,6 +11,7 @@ > #include > #include > #include > +#include > #include > #include > > @@ -842,6 +843,161 @@ hpass_ag_noc: interconnect@5fc0000 { > qcom,bcm-voters = <&apps_bcm_voter>; > }; > > + usb_2_hsphy: phy@88e0000 { > + compatible = "qcom,nord-snps-eusb2-phy", > + "qcom,sm8550-snps-eusb2-phy"; > + reg = <0x0 0x088e0000 0x0 0x154>; > + > + clocks = <&tcsrcc TCSR_USB2_2_CLKREF_EN>; > + clock-names = "ref"; Bartosz, I just sent out a series to add missing AHB2PHY bridge clock for Nord USB PHY bindings/drivers [1]. Could you update this patch to include this clock when you send v3, so that we can get USB work without clk_ignore_unused kernel parameter? Shawn [1] https://lore.kernel.org/all/20261008015017.3359804-1-shengchao.guo@oss.qualcomm.com/