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Wed, 26 Aug 2026 04:12:37 -0700 (PDT) X-Received: by 2002:a17:903:4b4b:b0:2d3:160b:c01f with SMTP id d9443c01a7336-2d707a8ebdfmr113294385ad.6.1787742757091; Wed, 26 Aug 2026 04:12:37 -0700 (PDT) Received: from [10.218.21.115] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3283d8861ecsm7609153eec.19.2026.08.26.04.12.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 04:12:36 -0700 (PDT) Message-ID: <4b7abc36-4ea4-4dc9-b462-299e50c41176@oss.qualcomm.com> Date: Wed, 26 Aug 2026 16:42:32 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/2] arm64: dts: qcom: shikra: unreserve GPIOs 14-17 To: Konrad Dybcio , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260826-shikra-dtpm-v4-0-8476223184de@oss.qualcomm.com> <20260826-shikra-dtpm-v4-1-8476223184de@oss.qualcomm.com> <82fab943-2994-417c-929c-7c416386adbb@oss.qualcomm.com> Content-Language: en-US From: Khalid Faisal Ansari In-Reply-To: <82fab943-2994-417c-929c-7c416386adbb@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: SKPtlbzOmUwfZKlOGnKxRZtBaZ8IobWI X-Authority-Analysis: v=2.4 cv=FPMrAeos c=1 sm=1 tr=0 ts=6a8eca26 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=s5PXVsNn40BVIwAtHE8A:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDA5MyBTYWx0ZWRfX+w/z7bspM3zG pevbxJHCc7I/3564zy1dLWiYgpxC0hLpPbvqVrpNL+GdFu44nN/cUNb/YZM4YmWRbf2I4OFzupq zD+1MWxM0hK6Cah+7GEwgCPcXglbihg= X-Proofpoint-ORIG-GUID: SKPtlbzOmUwfZKlOGnKxRZtBaZ8IobWI X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDA5MyBTYWx0ZWRfX1JQKkgLxHu4j YQB/CoMfCM1T6ihNR0YPZM0uWHs4yQXooyF9AvwLiNRm0nAdmEdRom95TmXRl+tJhb8QPdUwji8 qPk7V2Z2CSwwDjwidN+kvvPXtbyZbyw0zN8sLATspyQnTMtCfeqPeO7Ft9pp1mHsjQxwgK0QT83 uXmsOdQvHXqhA8SpH0at1IP2ZT+D3z3g5sQEGUlcWWG0dFwCDyzMjsBsBNn5wckS/Tl/ZYcD8VU rkTe9qEVtfrNAQ0tzn8UYimTVdB8r3XBtydI0LnvnS5X97raR//v997BDgojCJXig9pKU0jwHtF I/Ueq6tYxJL42mQTPkg3EOJ+q8Z+msMzd2FLdJ6f4Ods5tdyrIEFTtDXLX+pafSV+SVKn6eIo9y I+VK0VaRx6JC7gSSp/9ztRfApQrY6d30SdtJICFsn0EXDl66JHAdVPKwxmG4KawNeTaL0AszpiD xL3US3bnu27WpjS6nOQ== 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=2026-08-26_03,2026-08-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 suspectscore=0 adultscore=0 spamscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260093 On 8/26/2026 2:41 PM, Konrad Dybcio wrote: > On 8/25/26 9:13 PM, Khalid Faisal Ansari wrote: >> GPIOs 14-17 were previously reserved in the tlmm gpio-reserved-ranges, >> preventing Linux from accessing SPI5. Removing them from the reserved >> list across all three Shikra EVK variants (CQM, CQS, IQS) enables it >> for dTPM usecase. >> >> Signed-off-by: Khalid Faisal Ansari >> --- >> arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi | 1 - >> arch/arm64/boot/dts/qcom/shikra-iqs-som.dtsi | 1 - >> 2 files changed, 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi b/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi >> index 8ac42ff625a0..fde7fc035bf5 100644 >> --- a/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi >> +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi >> @@ -197,7 +197,6 @@ pm4125_l22: l22 { >> >> &tlmm { >> gpio-reserved-ranges = <6 4>, /* Fingerprint SPI */ >> - <14 4>, /* eSE SPI */ > Is this bus going to be concurrently accessed by TZ? No. > > Konrad