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Thu, 16 Jul 2026 17:31:01 -0700 (PDT) X-Received: by 2002:a05:6a20:cc0b:b0:3a3:a9c4:3d60 with SMTP id adf61e73a8af0-3c3ad7ac045mr262407637.27.1784248260974; Thu, 16 Jul 2026 17:31:00 -0700 (PDT) Received: from [192.168.1.7] ([122.177.244.170]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cb519de26a5sm37551a12.22.2026.07.16.17.30.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jul 2026 17:31:00 -0700 (PDT) Message-ID: <3763d264-e958-4a2a-ad7b-204e6af37655@oss.qualcomm.com> Date: Fri, 17 Jul 2026 06:00:55 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/4] arm64: dts: qcom: Enable USB controllers on Shikra IQS platform To: Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley References: <20260716-shikra-usb-dt-v3-v3-0-13f73a0571bb@oss.qualcomm.com> <20260716-shikra-usb-dt-v3-v3-4-13f73a0571bb@oss.qualcomm.com> <606db992-446c-4601-805a-d86d0fb74110@oss.qualcomm.com> Content-Language: en-US From: Krishna Kurapati In-Reply-To: <606db992-446c-4601-805a-d86d0fb74110@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 8XO6ARyB71QAMrzu4MrynBLEAV0OYR5X X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDAwMyBTYWx0ZWRfX+mjV+l4vh0X4 wrRy9Arube9+gEqUV//lkxDUoczylBmEajIlIww5jGfklNkcTI4t85bue7ECYGCTCsfHVMYWMie vRnDabmpYP3fMDW8bU//ItGm6vOhaXE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDAwMyBTYWx0ZWRfX0TzsDjG/xgO9 JghBNS0tpZzN9c9pHtz2QY1xfI0iTgxFzWqrZg8uedzC9yilObu+qTMme2OomHIghc7SnJxsjBs 5xhBtjoPcS2WXh/yLulHOHQHz5DBB+44bCCb0BLPGOp+U3jW+TNiBj83sNGWYHOe4R4eFAqSwJ6 4x6MW5cTPrp75Elx5siUs9LF9RIkb8Ym0Zad8aS6xkFmZ7Qs1T9zUmCJJzPvFI3VcKoH9TYxb9x iuh1yennNbCq3IbZ3Ns7s9GyaDmgYyOlraW57FB8hE6jCFmika2V4az7PoVOQg0OijpLlkBA1xJ eRVLaGTXMWbX8ws8niAIR9O9dkf1rlWIKtapbP6mQgMG81+NWdc9Z1ghfaljYk7lBIVksVf3oD5 3LZyoHAFf6fl/SORLSSGb4jXML56j0yrIbA8iIqSiOsZzy/UQc6FwmyRhHMG3jX0aljERDz3DN3 kNp6LxvUFNuBz0hlErQ== X-Authority-Analysis: v=2.4 cv=NcTWEWD4 c=1 sm=1 tr=0 ts=6a5977c6 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=HtVcTGqVJrL9f/+MTxaKuA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=KWuMA8URoD_tUPs-JecA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-GUID: 8XO6ARyB71QAMrzu4MrynBLEAV0OYR5X X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_08,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 phishscore=0 bulkscore=0 spamscore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170003 On 7/16/2026 11:10 PM, Konrad Dybcio wrote: > On 7/16/26 6:29 PM, Krishna Kurapati wrote: >> Enable both usb controllers in device mode on Shikra IQS platform. >> >> Signed-off-by: Krishna Kurapati >> --- >> arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 35 +++++++++++++++++++++++++++++ >> 1 file changed, 35 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts >> index 3003a47bd759..2d4e34ec3b82 100644 >> --- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts >> +++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts >> @@ -38,3 +38,38 @@ &sdhc_1 { >> >> status = "okay"; >> }; >> + >> +&usb_1 { >> + dr_mode = "peripheral"; > > Why does this one have to be peripheral if the other boards are otg? > Actually I missed adding dr_mode as peripheral for other boards. I put in commit message that I want them to work in device mode but missed adding dr_mode property. Since the default behavior is peripheral mode, i saw no functional issue while testing. Shall I send v2 with either removing dr mode here in iqs or adding it in cqs/cqm ? > [...] > >> +&usb_2 { >> + dr_mode = "peripheral"; >> + >> + status = "okay"; > > And why do the other boards lack the secondary USB? As mentioned in cover letter, on pure upstream build, I validated both controllers on iqs platform and only primary controller on cqs/cqm platform on a remote access setup. Regards, Krishna,