From: Monish Chunara <monish.chunara@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Manivannan Sadhasivam <mani@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sarthak Garg <sarthak.garg@oss.qualcomm.com>,
Pradeep Pragallapati <pradeep.pragallapati@oss.qualcomm.com>,
Nitin Rawat <nitin.rawat@oss.qualcomm.com>,
Shiraz Hashim <shiraz.hashim@oss.qualcomm.com>,
Monish Chunara <monish.chunara@oss.qualcomm.com>
Subject: [PATCH V3 2/3] arm64: dts: qcom: monaco-evk: Enable SDHCI for SD Card via overlay
Date: Wed, 1 Jul 2026 13:47:14 +0530 [thread overview]
Message-ID: <20260701081715.2580329-3-monish.chunara@oss.qualcomm.com> (raw)
In-Reply-To: <20260701081715.2580329-1-monish.chunara@oss.qualcomm.com>
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 <monish.chunara@oss.qualcomm.com>
---
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/Makefile
index 6f33c4e2f09c..3c5983bff00c 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -69,6 +69,10 @@ monaco-evk-el2-dtbs := monaco-evk.dtb monaco-el2.dtbo
dtb-$(CONFIG_ARCH_QCOM) += monaco-evk-el2.dtb
monaco-evk-ifp-mezzanine-dtbs := monaco-evk.dtb monaco-evk-ifp-mezzanine.dtbo
dtb-$(CONFIG_ARCH_QCOM) += monaco-evk-ifp-mezzanine.dtb
+
+monaco-evk-sd-card-dtbs := monaco-evk.dtb monaco-evk-sd-card.dtbo
+dtb-$(CONFIG_ARCH_QCOM) += monaco-evk-sd-card.dtb
+
dtb-$(CONFIG_ARCH_QCOM) += msm8216-samsung-fortuna3g.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-acer-a1-724.dtb
dtb-$(CONFIG_ARCH_QCOM) += 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..bc4ea12587a2
--- /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 <dt-bindings/gpio/gpio.h>
+
+/ {
+ vmmc_sdc: regulator-mmc-sdc {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vmmc_sdc";
+ regulator-min-microvolt = <2950000>;
+ regulator-max-microvolt = <2950000>;
+ };
+
+ vreg_sdc: regulator-sdc {
+ compatible = "regulator-gpio";
+
+ regulator-name = "vreg_sdc";
+ regulator-type = "voltage";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2950000>;
+
+ gpios = <&expander1 7 GPIO_ACTIVE_HIGH>;
+ states = <1800000 1>, <2950000 0>;
+
+ startup-delay-us = <100>;
+ };
+};
+
+&sdhc_1 {
+ vmmc-supply = <&vmmc_sdc>;
+ vqmmc-supply = <&vreg_sdc>;
+
+ pinctrl-0 = <&sdc1_state_on>, <&sd_cd>;
+ pinctrl-1 = <&sdc1_state_off>, <&sd_cd>;
+ pinctrl-names = "default", "sleep";
+
+ cap-sd-highspeed;
+ no-1-8-v;
+
+ bus-width = <4>;
+ cd-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
+ no-mmc;
+ no-sdio;
+
+ status = "okay";
+};
+
+&sdhc1_opp_table {
+ opp-100000000 {
+ opp-hz = /bits/ 64 <100000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-202000000 {
+ opp-hz = /bits/ 64 <202000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+};
+
+&tlmm {
+ sd_cd: sd-cd-state {
+ pins = "gpio11";
+ function = "gpio";
+ bias-pull-up;
+ };
+};
--
2.34.1
next prev parent reply other threads:[~2026-07-01 8:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-01 8:17 [PATCH V3 0/3] arm64: dts: qcom: Monaco: Enable SDHCI storage support Monish Chunara
2026-07-01 8:17 ` [PATCH V3 1/3] arm64: dts: qcom: monaco: Move eMMC CQE support from SoC to board DT Monish Chunara
2026-07-01 8:17 ` Monish Chunara [this message]
2026-07-01 8:17 ` [PATCH V3 3/3] arm64: dts: qcom: monaco-evk: Add SDHCI support for eMMC via overlay Monish Chunara
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