From d9f2513cb22d0eb6f838dc05adb600c86df6933e Mon Sep 17 00:00:00 2001 From: Monish Chunara Date: Fri, 27 Feb 2026 00:29:32 +0530 Subject: [PATCH 1/2] FROMLIST: arm64: dts: qcom: lemans-evk: Move SD card support to overlay The lemans EVK board supports either eMMC or SD-card, but only one can be active at a time. Move the SDHC node for SD card into a dedicated device tree overlay. This decoupling allows the storage medium to be selected dynamically by applying the appropriate overlay for either SD card or eMMC support. Signed-off-by: Monish Chunara --- arch/arm64/boot/dts/qcom/Makefile | 3 +++ .../boot/dts/qcom/lemans-evk-sd-card.dtso | 25 +++++++++++++++++++ arch/arm64/boot/dts/qcom/lemans-evk.dts | 16 ------------ 3 files changed, 28 insertions(+), 16 deletions(-) create mode 100644 arch/arm64/boot/dts/qcom/lemans-evk-sd-card.dtso diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index bdbd3f9a51bd7..b8d6e8c15f056 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -34,6 +34,9 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp454.dtb dtb-$(CONFIG_ARCH_QCOM) += kaanapali-mtp.dtb dtb-$(CONFIG_ARCH_QCOM) += lemans-evk.dtb +lemans-evk-sd-card-dtbs := lemans-evk.dtb lemans-evk-sd-card.dtbo +dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-sd-card.dtb + lemans-evk-camera-csi1-imx577-dtbs := lemans-evk.dtb lemans-evk-camera-csi1-imx577.dtbo lemans-evk-el2-dtbs := lemans-evk.dtb lemans-el2.dtbo diff --git a/arch/arm64/boot/dts/qcom/lemans-evk-sd-card.dtso b/arch/arm64/boot/dts/qcom/lemans-evk-sd-card.dtso new file mode 100644 index 0000000000000..007ab63473495 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/lemans-evk-sd-card.dtso @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include + +&sdhc { + vmmc-supply = <&vmmc_sdc>; + vqmmc-supply = <&vreg_sdc>; + + pinctrl-0 = <&sdc_default>, <&sd_cd>; + pinctrl-1 = <&sdc_sleep>, <&sd_cd>; + pinctrl-names = "default", "sleep"; + + bus-width = <4>; + cd-gpios = <&tlmm 36 GPIO_ACTIVE_LOW>; + no-mmc; + no-sdio; + + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts index 390a515e8dd8e..0385e683a962f 100644 --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts @@ -934,22 +934,6 @@ }; }; -&sdhc { - vmmc-supply = <&vmmc_sdc>; - vqmmc-supply = <&vreg_sdc>; - - pinctrl-0 = <&sdc_default>, <&sd_cd>; - pinctrl-1 = <&sdc_sleep>, <&sd_cd>; - pinctrl-names = "default", "sleep"; - - bus-width = <4>; - cd-gpios = <&tlmm 36 GPIO_ACTIVE_LOW>; - no-mmc; - no-sdio; - - status = "okay"; -}; - &serdes0 { phy-supply = <&vreg_l5a>; vdda-0p9-supply = <&vreg_l4a>; From 0bf6ed307a8d34eca75821036a4cf70702f71f47 Mon Sep 17 00:00:00 2001 From: Monish Chunara Date: Fri, 27 Feb 2026 00:33:16 +0530 Subject: [PATCH 2/2] FROMLIST: arm64: dts: qcom: lemans-evk: Add SDHCI support for eMMC via overlay Enable the SDHCI controller for eMMC functionality on the lemans EVK using a device tree overlay. Configure the corresponding addresse space and resources for eMMC. Signed-off-by: Monish Chunara --- arch/arm64/boot/dts/qcom/Makefile | 3 + arch/arm64/boot/dts/qcom/lemans-evk-emmc.dtso | 64 +++++++++++++++++++ arch/arm64/boot/dts/qcom/lemans.dtsi | 10 ++- 3 files changed, 74 insertions(+), 3 deletions(-) create mode 100644 arch/arm64/boot/dts/qcom/lemans-evk-emmc.dtso diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index b8d6e8c15f056..0bf151eda652c 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -34,6 +34,9 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp454.dtb dtb-$(CONFIG_ARCH_QCOM) += kaanapali-mtp.dtb dtb-$(CONFIG_ARCH_QCOM) += lemans-evk.dtb +lemans-evk-emmc-dtbs := lemans-evk.dtb lemans-evk-emmc.dtbo +dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-emmc.dtb + lemans-evk-sd-card-dtbs := lemans-evk.dtb lemans-evk-sd-card.dtbo dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-sd-card.dtb diff --git a/arch/arm64/boot/dts/qcom/lemans-evk-emmc.dtso b/arch/arm64/boot/dts/qcom/lemans-evk-emmc.dtso new file mode 100644 index 0000000000000..52739d39a1ff8 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/lemans-evk-emmc.dtso @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include + +/ { + vmmc_sdc1: regulator-l8c { + compatible = "regulator-fixed"; + regulator-name = "vreg-sdc1"; + + regulator-min-microvolt = <2960000>; + regulator-max-microvolt = <2960000>; + }; + + vqmmc_sdc1: regulator-s4a { + compatible = "regulator-fixed"; + regulator-name = "vqmmc-sdc1"; + + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; +}; + +&sdhc { + vmmc-supply = <&vmmc_sdc1>; + vqmmc-supply = <&vqmmc_sdc1>; + + pinctrl-0 = <&sdc_default>, <&sdc_rclk>; + pinctrl-1 = <&sdc_sleep>, <&sdc_rclk_sleep>; + + pinctrl-names = "default", "sleep"; + + supports-cqe; + non-removable; + + qcom,dll-config = <0x000F64EC>; + max-frequency = <50000000>; + + bus-width = <8>; + no-sd; + no-sdio; + + status = "okay"; +}; + +&tlmm { + sdc_rclk: sdc1-rclk-state { + pins = "sdc1_rclk"; + bias-pull-down; + }; + + sdc_rclk_sleep: sdc1-rclk-sleep-state { + pins = "sdc1_rclk"; + drive-strength = <2>; + bias-bus-hold; + }; +}; diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi index cd2c583f468bf..550fec1db33fe 100644 --- a/arch/arm64/boot/dts/qcom/lemans.dtsi +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi @@ -3875,7 +3875,9 @@ sdhc: mmc@87c4000 { compatible = "qcom,sa8775p-sdhci", "qcom,sdhci-msm-v5"; - reg = <0x0 0x087c4000 0x0 0x1000>; + reg = <0x0 0x87C4000 0x0 0x1000>, + <0x0 0x87C5000 0x0 0x1000>; + reg-names = "hc", "cqhci"; interrupts = , ; @@ -3883,9 +3885,11 @@ "pwr_irq"; clocks = <&gcc GCC_SDCC1_AHB_CLK>, - <&gcc GCC_SDCC1_APPS_CLK>; + <&gcc GCC_SDCC1_APPS_CLK>, + <&rpmhcc RPMH_CXO_CLK>; clock-names = "iface", - "core"; + "core", + "xo"; interconnects = <&aggre1_noc MASTER_SDC QCOM_ICC_TAG_ALWAYS &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,