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Fri, 27 Feb 2026 02:51:27 -0800 (PST) Received: from hu-mchunara-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb757a8dsm73721885ad.40.2026.02.27.02.51.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Feb 2026 02:51:26 -0800 (PST) From: Monish Chunara To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dmitry.baryshkov@oss.qualcomm.com, mani@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, sarthak.garg@oss.qualcomm.com, pradeep.pragallapati@oss.qualcomm.com, nitin.rawat@oss.qualcomm.com, Monish Chunara Subject: [PATCH 2/3] arm64: dts: qcom: monaco-evk: Enable SDHCI for SD Card via overlay Date: Fri, 27 Feb 2026 16:20:54 +0530 Message-Id: <20260227105055.2364348-3-monish.chunara@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260227105055.2364348-1-monish.chunara@oss.qualcomm.com> References: <20260227105055.2364348-1-monish.chunara@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: yA4kK_0h9cNxGDLiEMaDAYU_bUjNU1lh X-Authority-Analysis: v=2.4 cv=PN8COPqC c=1 sm=1 tr=0 ts=69a17730 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=MGA-IAg3UYKhKOWSYZAA:9 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI3MDA5NCBTYWx0ZWRfXxRWYHEqZZasQ 93IDed+lfnYKALfzffpYhNA+b9Do7jYAX9cBy659dPMq8oo9B+KJoXHOEkAlVXLvJBJCAp4b/bH Yu21TYITxx+Ff6DLLjLVz3rCrvguDFqodYIXGPoM/n2d8lfyQXV5ZTFSxDEWj2cGM0Nev+UJwI3 9w2HzksQAvgMOg9IOPjSDhk7xNjPaww1N/ILenSz00ADfBlj+KfnOo6JInFLMqwDQmKRlbwA7l8 Kv12Sx87drM1GypHhZ38QBvFd8IQ8WvgWGnXqOUKluPrLdUhpWOHYaWFiucSDxcHSEg3xprRBMu iMCKqb4hhBrm3XK1FyZDSv8/vDwnsYHERhM4d04ojgsE4+FnFW6lUwKolb9z1O+6obY0AQCia7l jm9vkQ9JVxTdETi0OjR+9G/32XaopL87fST2gVKfTPSMzf16BNtlvIaYUINJDPd673BigD5kZNA r62N55y4XgPKNc6AZ8g== X-Proofpoint-ORIG-GUID: yA4kK_0h9cNxGDLiEMaDAYU_bUjNU1lh 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=2026-02-27_01,2026-02-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 spamscore=0 phishscore=0 suspectscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270094 Content-Type: text/plain; charset="utf-8" The monaco EVK board supports either eMMC or SD-card, but only one can be active at a time. Enable the SD Host Controller Interface (SDHCI) on the monaco EVK board to support SD Card for storage via a device tree overlay. This allows eMMC support to be enabled through a separate overlay when required. Signed-off-by: Monish Chunara --- arch/arm64/boot/dts/qcom/Makefile | 4 ++ .../boot/dts/qcom/monaco-evk-sd-card.dtso | 72 +++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/monaco-evk-sd-card.dtso diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/M= akefile index 317af937d038..c86242a1631d 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -46,6 +46,10 @@ lemans-evk-el2-dtbs :=3D lemans-evk.dtb lemans-el2.dtbo dtb-$(CONFIG_ARCH_QCOM) +=3D lemans-evk-el2.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D milos-fairphone-fp6.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D monaco-evk.dtb + +monaco-evk-sd-card-dtbs :=3D monaco-evk.dtb monaco-evk-sd-card.dtbo +dtb-$(CONFIG_ARCH_QCOM) +=3D monaco-evk-sd-card.dtb + dtb-$(CONFIG_ARCH_QCOM) +=3D msm8216-samsung-fortuna3g.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D msm8916-acer-a1-724.dtb dtb-$(CONFIG_ARCH_QCOM) +=3D msm8916-alcatel-idol347.dtb diff --git a/arch/arm64/boot/dts/qcom/monaco-evk-sd-card.dtso b/arch/arm64/= boot/dts/qcom/monaco-evk-sd-card.dtso new file mode 100644 index 000000000000..a0bc5c47d40b --- /dev/null +++ b/arch/arm64/boot/dts/qcom/monaco-evk-sd-card.dtso @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include + +/ { + vmmc_sdc: regulator-dummy { + compatible =3D "regulator-fixed"; + + regulator-name =3D "vmmc_sdc"; + regulator-min-microvolt =3D <2950000>; + regulator-max-microvolt =3D <2950000>; + }; + + vreg_sdc: regulator-sdc { + compatible =3D "regulator-gpio"; + + regulator-name =3D "vreg_sdc"; + regulator-type =3D "voltage"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <2950000>; + + gpios =3D <&expander1 7 GPIO_ACTIVE_HIGH>; + states =3D <1800000 1>, <2950000 0>; + + startup-delay-us =3D <100>; + }; +}; + +&sdhc_1 { + vmmc-supply =3D <&vmmc_sdc>; + vqmmc-supply =3D <&vreg_sdc>; + + pinctrl-0 =3D <&sdc1_state_on>, <&sd_cd>; + pinctrl-1 =3D <&sdc1_state_off>, <&sd_cd>; + pinctrl-names =3D "default", "sleep"; + + cap-sd-highspeed; + no-1-8-v; + + bus-width =3D <4>; + cd-gpios =3D <&tlmm 11 GPIO_ACTIVE_LOW>; + no-mmc; + no-sdio; + + status =3D "okay"; +}; + +&sdhc1_opp_table { + opp-100000000 { + opp-hz =3D /bits/ 64 <100000000>; + required-opps =3D <&rpmhpd_opp_low_svs>; + }; + + opp-202000000 { + opp-hz =3D /bits/ 64 <202000000>; + required-opps =3D <&rpmhpd_opp_svs_l1>; + }; +}; + +&tlmm { + sd_cd: sd-cd-state { + pins =3D "gpio11"; + function =3D "gpio"; + bias-pull-up; + }; +}; --=20 2.34.1