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Tue, 09 Jun 2026 00:35:18 -0700 (PDT) Received: from hu-mchunara-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c164f875casm205521505ad.22.2026.06.09.00.35.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 00:35:18 -0700 (PDT) From: monish.chunara@oss.qualcomm.com X-Google-Original-From: mchunara@oss.qualcomm.com To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, ulf.hansson@linaro.org, nitin.rawat@oss.qualcomm.com, pradeep.pragallapati@oss.qualcomm.com, komal.bajaj@oss.qualcomm.com, monish.chunara@oss.qualcomm.com, jsodhapa@qti.qualcomm.com Subject: [PATCH] arm64: dts: qcom: talos-evk: fix sdhc_2 vqmmc-supply for UHS-I mode Date: Tue, 9 Jun 2026 13:05:09 +0530 Message-Id: <20260609073509.2453273-1-mchunara@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=PIs/P/qC c=1 sm=1 tr=0 ts=6a27c238 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=5JD22pyS9HkwBMopzcwA:9 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: W8MXWJ8T2uMYBHOC5mbwGnG95q1qcnIr X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA5MDA3MCBTYWx0ZWRfXyV37p8rENI+t jMmSBKIsB2/8LiHpYiE6o8MMoa3jLizMcIGJGRlYyg82WAlh9yMvU57gKnAPI2gxwY10zOsfYPN YC/uYevFJpNO0/M4kgXY89Nsz4bbGpeyotljq8dF0kh3G7MFRURZSmWmKfrj04CxVQBtKDoJGaZ V8YVtHebepzbCeHVfFeyRYZEpswPdSbqO64Yho8SLjYlf+wsK5v/JXLY+0WX8DkbYHuRerNFmJJ tIAfBSZ2MGDCBhvq+3Od9SWh6kXQ6aiEm4lVAH7l0cCAMi8bKvKJu4Wc/Cd5mg/tt6yE31j4l0/ mj236InDiiFNyOA1in/l7Jo2P5CbunAEAwgtVvoomX17HveuhXkHyp8mhsh/dRWpu2A6oN5In+a cG2aijt2KptSbt7Cf4ApHV+l3uuX24Iy5FXlgWc7jAKRy67bjGcG+i9SNNINI1kS3RTyRGMZsMR 1KeGKqMJAK/5RX+kv9w== X-Proofpoint-ORIG-GUID: W8MXWJ8T2uMYBHOC5mbwGnG95q1qcnIr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-09_01,2026-06-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 suspectscore=0 adultscore=0 spamscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606090070 From: Monish Chunara SD card is detected as SDHS instead of UHS-I because sdhc_2 was configured with vreg_s4a as vqmmc-supply, which cannot switch between 1.8V and 3.3V. Switch vqmmc-supply to vreg_l2a and update its voltage range to 1800000-2960000 uV to enable proper UHS-I signaling. Signed-off-by: Jaypal Sodhaparmar Signed-off-by: Monish Chunara --- arch/arm64/boot/dts/qcom/talos-evk-som.dtsi | 4 ++-- arch/arm64/boot/dts/qcom/talos-evk.dts | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi index 294354c034c3..f70823b31391 100644 --- a/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi +++ b/arch/arm64/boot/dts/qcom/talos-evk-som.dtsi @@ -195,8 +195,8 @@ vreg_l1a: ldo1 { vreg_l2a: ldo2 { regulator-name = "vreg_l2a"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3100000>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2960000>; regulator-initial-mode = ; regulator-allow-set-load; regulator-allowed-modes = ; vmmc-supply = <&vreg_l10a>; - vqmmc-supply = <&vreg_s4a>; + vqmmc-supply = <&vreg_l2a>; status = "okay"; }; -- 2.34.1