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Mon, 02 Feb 2026 23:26:06 -0800 (PST) X-Received: by 2002:a17:903:1987:b0:2a7:b447:338d with SMTP id d9443c01a7336-2a8d9948ee0mr94952515ad.8.1770103566160; Mon, 02 Feb 2026 23:26:06 -0800 (PST) Received: from [10.218.41.33] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a88b3eef68sm174553935ad.16.2026.02.02.23.26.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Feb 2026 23:26:05 -0800 (PST) Message-ID: Date: Tue, 3 Feb 2026 12:56:00 +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 v2 1/1] arm64: dts: qcom: lemans-evk: Add Mezzanine To: Dmitry Baryshkov Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, richardcochran@gmail.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mohd.anwar@oss.qualcomm.com, krishna.chundru@oss.qualcomm.com, monish.chunara@oss.qualcomm.com References: <20260202194234.3701434-1-umang.chheda@oss.qualcomm.com> <20260202194234.3701434-2-umang.chheda@oss.qualcomm.com> Content-Language: en-US From: Umang Chheda In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: WAkjPiBXj3Jo7nJaVzRsSjnkcTbeoG0A X-Authority-Analysis: v=2.4 cv=OrRCCi/t c=1 sm=1 tr=0 ts=6981a30f cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=uqgqG2pLL8I79JWUUZYA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: WAkjPiBXj3Jo7nJaVzRsSjnkcTbeoG0A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAzMDA1OCBTYWx0ZWRfX8umzkxcgz/sO 14UvQi9fZcze3Nrt9q1GKjb2LBeM3ZP9tUGleqniiv/QIAE6ABjUghP98YhWsbfzSl8WSQ63tZl zLc0pG52an5tjfqpj3HwK618JjKS+5aJuDWVZGDsAu5r4Oxta9Oty9nt4FJVV06WGBax8yUZLLl X8Y9k653ZizoGUSiikW57n/2cHo8eI62kffa4SQ0Hgs9LTpFSnoHmYT3NZLQaOjA1BhcU0ChnAX gsP87Nk3wdppZ8IDR+abaPEVxdOlr2oGscaxEJHsF3Be3HpBBq9pPGmdYMI0IFXM0Vhe82n/LxV fWLdbyNEksss89QukAWvg33POF9Yp18KLJHHGBob5C5JaeVIFeSLrQJhZOihq3K2K2oFnnlyQJk QMKKuS0dwh2WfjFOTlpDc/2IiFXz4ySVGc493QXX5vi2SFic39HQ4yFQTnpK//G6/b0qw1tX6lh QR3ca++DC95ksBeDekQ== 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=2026-02-03_02,2026-02-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 adultscore=0 malwarescore=0 phishscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602030058 Hi Dmitry, On 2/3/2026 1:49 AM, Dmitry Baryshkov wrote: > On Tue, Feb 03, 2026 at 01:12:34AM +0530, Umang Chheda wrote: >> The Mezzanine is an hardware expansion add-on board designed >> to be stacked on top of Lemans EVK. >> >> It has following peripherals : >> >> - 4x Type A USB ports in host mode. >> - TC9563 PCIe switch, which has following three downstream ports (DSP) : >> - 1st DSP connects M.2 E-key connector for connecting WLAN endpoints. >> - 2nd DSP connects M.2 B-key connector for connecting cellular modems. >> - 3rd DSP with support for Dual Ethernet ports. >> - eMMC. >> - Additional 2.5GbE Ethernet PHY connected to native EMAC with support for >> MAC Address configuration via NVMEM. >> - EEPROM. >> - LVDS Display. >> - 2*mini DP. >> >> Add support for following peripherals : >> - TC9563 PCIe Switch. >> - Additional 2.5GbE Ethernet Port. >> - EEPROM. >> >> Written with inputs from : >> Mohd Ayaan Anwar - Ethernet. >> Krishna Chaitanya Chundru - PCIe >> Monish Chunara - EEPROM. >> >> Signed-off-by: Umang Chheda >> --- >> arch/arm64/boot/dts/qcom/Makefile | 4 + >> .../boot/dts/qcom/lemans-evk-mezzanine.dtso | 301 ++++++++++++++++++ >> 2 files changed, 305 insertions(+) >> create mode 100644 arch/arm64/boot/dts/qcom/lemans-evk-mezzanine.dtso >> >> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile >> index f80b5d9cf1e8..79449004adfd 100644 >> --- a/arch/arm64/boot/dts/qcom/Makefile >> +++ b/arch/arm64/boot/dts/qcom/Makefile >> @@ -43,6 +43,10 @@ dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-camera.dtb >> lemans-evk-el2-dtbs := lemans-evk.dtb lemans-el2.dtbo >> >> dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-el2.dtb >> + >> +lemans-evk-mezzanine-dtbs := lemans-evk.dtb lemans-evk-mezzanine.dtbo >> + >> +dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-mezzanine.dtb >> dtb-$(CONFIG_ARCH_QCOM) += milos-fairphone-fp6.dtb >> dtb-$(CONFIG_ARCH_QCOM) += monaco-evk.dtb >> dtb-$(CONFIG_ARCH_QCOM) += msm8216-samsung-fortuna3g.dtb >> diff --git a/arch/arm64/boot/dts/qcom/lemans-evk-mezzanine.dtso b/arch/arm64/boot/dts/qcom/lemans-evk-mezzanine.dtso >> new file mode 100644 >> index 000000000000..674afe485a1b >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/lemans-evk-mezzanine.dtso >> @@ -0,0 +1,301 @@ >> +// SPDX-License-Identifier: BSD-3-Clause >> +/* >> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >> + */ >> + >> +/dts-v1/; >> +/plugin/; >> + >> +#include >> + >> +&{/} { >> + model = "Qualcomm Technologies, Inc. Lemans-evk Mezzanine"; >> + >> + vreg_sys_pwr: regulator-vreg-sys-pwr { > Please sort the nodes. Ack > >> + compatible = "regulator-fixed"; >> + regulator-name = "VREG_SYS_PWR"; >> + >> + regulator-min-microvolt = <24000000>; >> + regulator-max-microvolt = <24000000>; >> + regulator-always-on; >> + regulator-boot-on; >> + }; >> + >> + vreg_4p2: regulator-vreg-4p2 { Thanks, Umang