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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-672c480e18esm1964412a12.10.2026.04.20.03.21.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Apr 2026 03:21:29 -0700 (PDT) Message-ID: Date: Mon, 20 Apr 2026 12:21:26 +0200 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 1/2] arm64: dts: qcom: sc8280xp: add several missing pdc map entries To: Pengyu Luo Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260419173251.1180026-1-mitltlatltl@gmail.com> <4abb1626-a0a3-45e1-9289-fee366a8d9f0@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIwMDEwMCBTYWx0ZWRfX0SWqLcSnJ8sx 9albqLi5kVb0/UlGBJZBgRf3HrcjnWGOShxNwSaYN+w+ZVjVqa4kqv4DJEn1YqVkhj/UXgqyIuX Xy8l7Frii8zjCC7ZRUFGBuaMYvCrRJQlJjTEzuZVk0JIu5S1FTI67R2MIfMWcyUelF6Nyt2egpq z3VqaMRR2jiNa+O80O4dSDdP9v2dUyObLrCnAp1ng0OxPLrvAAn530bWFFke9ihmaRc3J/3klSW F8fd4Zb52gEn4hARiUOBQ+siEBQ8TBiGwExb5J2knoJXAGsYPx7JgIoWOu/xq+XomdP3rkYyEqe /pW0ldYmNjSKsucjR8mma6hIl1eJugPZW1yqoAmc84AWZpgCVl/oUkqxwJuqfmDmHmk6HGlEHJK bTJlwNvDkXNLouVfLALoz4pgJvNXILHS+8zu55SoJrQ0qgZEql5xsghKDTfS2ir91ipBN+v6eHC B2TC+jkgts4keBZqMWw== X-Proofpoint-GUID: ihqqGKx9gl0tS5XLHQt1h9J6TTHyK3ky X-Proofpoint-ORIG-GUID: ihqqGKx9gl0tS5XLHQt1h9J6TTHyK3ky X-Authority-Analysis: v=2.4 cv=PsKjqQM3 c=1 sm=1 tr=0 ts=69e5fe2b cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=HY-0N2Azj2Mso-XHyusA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-20_02,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604200100 On 4/20/26 11:53 AM, Pengyu Luo wrote: > On Mon, Apr 20, 2026 at 4:32 PM Konrad Dybcio > wrote: >> >> On 4/19/26 7:32 PM, Pengyu Luo wrote: >>> pdc 215, 256, 257 are missing, but we can find tlmm pin 103, 84, 90 >>> are mapped to them respectively, so add the map entries from pdc to >>> gic. These entries are reversed from .data section of qcgpio.sys >>> >>> Signed-off-by: Pengyu Luo >>> --- >> >> Reviewed-by: Konrad Dybcio >> >> Konrad >> >> The below change on top will fully align it with the data in the docs >> (no functional change) >> > > Glad to know. Could you please help to check the tlmm map too? When I > was parsing the binary, I found > > tlmm 65535 => pdc 70 => gic 520 > tlmm 65535 => pdc 174 => gic 733 > tlmm 65535 => pdc 175 => gic 734 > tlmm 65535 => pdc 176 => gic 735 > tlmm 65535 => pdc 177 => gic 736 > tlmm 65535 => pdc 178 => gic 737 > tlmm 65535 => pdc 184 => gic 743 > tlmm 65535 => pdc 185 => gic 744 > tlmm 65535 => pdc 186 => gic 745 > tlmm 65535 => pdc 187 => gic 746 > tlmm 65535 => pdc 188 => gic 747 > tlmm 65535 => pdc 194 => gic 753 > tlmm 65535 => pdc 195 => gic 754 > tlmm 65535 => pdc 196 => gic 755 > tlmm 65535 => pdc 197 => gic 756 > tlmm 65535 => pdc 198 => gic 757 > tlmm 65535 => pdc 199 => gic 416 > tlmm 65535 => pdc 204 => gic 462 > tlmm 65535 => pdc 205 => gic 264 > > If 65536 means the pin is missing, I will send v2 to remove the tlmm > map together with the pdc removal. These seem to be LPASS/SSC GPIOs There are missing pairs of: TLMM 151 -> PDC 264 -> GIC 191 TLMM 143 -> PDC 261 -> GIC 402 and very interestingly, GPIO 190 has two mappings: PDC 70 -> GIC 552 PDC 178 -> GIC 769 Konrad