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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8f6e9cd6d4sm168653666b.23.2026.02.12.06.57.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Feb 2026 06:57:22 -0800 (PST) Message-ID: <5f354a57-36a8-4d27-891a-358b4ba487f6@oss.qualcomm.com> Date: Thu, 12 Feb 2026 15:57:19 +0100 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 v2] arm64: dts: qcom: sm8550: Add UART15 To: Aaron Kling 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, Xilin Wu , Molly Sophia , Dmitry Baryshkov References: <20260211-sm8550-uart15-v2-1-bd23a0de18bc@gmail.com> <567d28df-485c-4dd6-bfc1-5c357da7dde7@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-ORIG-GUID: 4xILMOTozwS7rzxWz6UloDrZSrS-pZIJ X-Proofpoint-GUID: 4xILMOTozwS7rzxWz6UloDrZSrS-pZIJ X-Authority-Analysis: v=2.4 cv=Ctuys34D c=1 sm=1 tr=0 ts=698dea54 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=_ivdKdEdT0-elHp83W4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEyMDExNCBTYWx0ZWRfX6e/IST6NS98u Ldgdezzfpdv0xbQj42+s5y8gkKa7pgw00bNloqhhXBL893ucV01EPN6QocpCOLQlcTI+LKan8K5 vwiTtKBUsaY7Ld8HJHygwqPAPP4KGVyqXDlc6gYQgw+MBatf03TkPRDlZnupP7g0M/k7KglBKTA ecAuiHCQ2ADWnIuZooHwBd8dZID0l4QthbkLX+gxBfGDOgtFiDVWmvsxTPHEPcpmXK/io4z2tGk K9uDLYo1CSMrME82bd/J3zb+1ZTWTwW5/DIlLVU+zAaNLqr3BeryTu0ZG5EDBmpGAgSY/Ac7WaZ 1DXC8MEs6jyTdPOUk6XH2BkSRzcXyFPX94rhqDilZLUb+933lQkPtD9ofzxV4mFKZEM6/ZbCiBx BLx4H7xGqpIFxBB48tOlFIWa4d72el5BsS0DIsLJLKN6cnt/cNBUL+mFe2k9Bkowa44LQXDOt5s T9WaPyc+BMkTWxgoelg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-12_04,2026-02-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 phishscore=0 bulkscore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602120114 On 2/12/26 3:53 PM, Aaron Kling wrote: > On Thu, Feb 12, 2026 at 4:49 AM Konrad Dybcio > wrote: >> >> On 2/11/26 11:35 PM, Aaron Kling via B4 Relay wrote: >>> From: Xilin Wu >>> >>> Add uart15 node for UART bus present on sm8550 SoC. >>> >>> Signed-off-by: Molly Sophia >>> Signed-off-by: Xilin Wu >>> Reviewed-by: Dmitry Baryshkov >>> Signed-off-by: Aaron Kling >>> --- >>> This patch was originally submitted as part of a series to support the >>> AYN Odin 2 [0]. That series stalled, so submitting separately. >>> >>> [0] https://lore.kernel.org/all/20240424-ayn-odin2-initial-v1-0-e0aa05c991fd@gmail.com/ >>> --- >>> Changes in v2: >>> - Use QCOM_ICC_TAG_ define in interconnect paths phandle third argument >>> - Link to v1: https://lore.kernel.org/r/20260207-sm8550-uart15-v1-1-d8ccf746d102@gmail.com >>> --- >>> arch/arm64/boot/dts/qcom/sm8550.dtsi | 24 ++++++++++++++++++++++++ >>> 1 file changed, 24 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi >>> index e3f93f4f412ded9583a6bc9215185a0daf5f1b57..a54f375f7f041a193a4396e4aa911abb42e3e6dc 100644 >>> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi >>> @@ -1251,6 +1251,22 @@ &config_noc SLAVE_QUP_2 QCOM_ICC_TAG_ACTIVE_ONLY>, >>> #size-cells = <0>; >>> status = "disabled"; >>> }; >>> + >>> + uart15: serial@89c000 { >> >> This should be uart23 (see other nodes at this base addr have that index) > > Am I missing something here? For sm8550 [0], I see i2c@89c000 and > spi@89c000 labelled as i2c15 and spi15 respectively. Well, it seems like I implicitly upgraded your device in my brain.. what I said is true for x elite.. Konrad