[PATCH 4/4] arm64: dts: qcom: Add Shikra CQM and CQS EVK boards

[Dmitry Baryshkov]

On Tue, May 12, 2026 at 09:38:07AM +0530, Komal Bajaj wrote:
> Add device trees for the Shikra EVK platform, which combines the CQM
> SoM variant with a common carrier board.
> 
> Two EVK boards are introduced:
>   - shikra-cqm-evk.dts: pairs with CQM SoM (retail, with modem)
>   - shikra-cqs-evk.dts: pairs with CQM SoM (retail, board has no modem

CQS

>     support)
> 
> Also add shikra-evk.dtsi common across both EVK boards.

What is the split between shikra-cq[ms]-evk.dts and shikra-evk.dtsi?

> 
> Each board DTS enables USB (peripheral mode) with the appropriate PMIC
> regulator supplies for the QUSB2 and QMP PHYs, and eMMC with the
> correct vmmc/vqmmc supplies for the CQM SoM's PMIC.
> 
> Co-developed-by: Imran Shaik <imran.shaik at oss.qualcomm.com>
> Signed-off-by: Imran Shaik <imran.shaik at oss.qualcomm.com>
> Co-developed-by: Krishna Kurapati <krishna.kurapati at oss.qualcomm.com>
> Signed-off-by: Krishna Kurapati <krishna.kurapati at oss.qualcomm.com>
> Co-developed-by: Monish Chunara <quic_mchunara at quicinc.com>
> Signed-off-by: Monish Chunara <quic_mchunara at quicinc.com>
> Co-developed-by: Rakesh Kota <rakesh.kota at oss.qualcomm.com>
> Signed-off-by: Rakesh Kota <rakesh.kota at oss.qualcomm.com>
> Co-developed-by: Raviteja Laggyshetty <raviteja.laggyshetty at oss.qualcomm.com>
> Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty at oss.qualcomm.com>
> Co-developed-by: Sneh Mankad <sneh.mankad at oss.qualcomm.com>
> Signed-off-by: Sneh Mankad <sneh.mankad at oss.qualcomm.com>
> Co-developed-by: Vishnu Santhosh <vishnu.santhosh at oss.qualcomm.com>
> Signed-off-by: Vishnu Santhosh <vishnu.santhosh at oss.qualcomm.com>
> Co-developed-by: Xueyao An <xueyao.an at oss.qualcomm.com>
> Signed-off-by: Xueyao An <xueyao.an at oss.qualcomm.com>
> Signed-off-by: Komal Bajaj <komal.bajaj at oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile           |  2 +
>  arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 61 +++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 61 +++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/shikra-evk.dtsi    | 13 ++++++
>  4 files changed, 137 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index cc42829f92eb..6de783bcd133 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -328,6 +328,8 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-huawei-matebook-e-2019.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-samsung-w737.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdx75-idp.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= shikra-cqm-evk.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= shikra-cqs-evk.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm4250-oneplus-billie2.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm4450-qrd.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm6115-fxtec-pro1x.dtb
> diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> new file mode 100644
> index 000000000000..12eeca84832c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> @@ -0,0 +1,61 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +/dts-v1/;
> +
> +#include "shikra-cqm-som.dtsi"
> +#include "shikra-evk.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. Shikra CQM EVK";
> +	compatible = "qcom,shikra-cqm-evk", "qcom,shikra-cqm-som", "qcom,shikra";
> +	chassis-type = "embedded";
> +
> +	aliases {
> +		mmc0 = &sdhc_1;
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&sdhc_1 {
> +	vmmc-supply = <&pm4125_l20>;
> +	vqmmc-supply = <&pm4125_l14>;
> +
> +	pinctrl-0 = <&sdc1_state_on>;
> +	pinctrl-1 = <&sdc1_state_off>;
> +	pinctrl-names = "default", "sleep";
> +
> +	non-removable;
> +	supports-cqe;
> +	no-sdio;
> +	no-sd;
> +
> +	status = "okay";
> +};
> +
> +&usb_1 {
> +	dr_mode = "peripheral";
> +
> +	status = "okay";
> +};
> +
> +&usb_1_hsphy {
> +	vdd-supply = <&pm4125_l12>;
> +	vdda-pll-supply = <&pm4125_l13>;
> +	vdda-phy-dpdm-supply = <&pm4125_l21>;
> +
> +	status = "okay";
> +};
> +
> +&usb_qmpphy {
> +	vdda-phy-supply = <&pm4125_l8>;
> +	vdda-pll-supply = <&pm4125_l13>;
> +
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
> new file mode 100644
> index 000000000000..bc93282f64cf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
> @@ -0,0 +1,61 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +/dts-v1/;
> +
> +#include "shikra-cqm-som.dtsi"
> +#include "shikra-evk.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. Shikra CQS EVK";
> +	compatible = "qcom,shikra-cqs-evk", "qcom,shikra-cqm-som", "qcom,shikra";
> +	chassis-type = "embedded";
> +
> +	aliases {
> +		mmc0 = &sdhc_1;
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&sdhc_1 {
> +	vmmc-supply = <&pm4125_l20>;
> +	vqmmc-supply = <&pm4125_l14>;
> +
> +	pinctrl-0 = <&sdc1_state_on>;
> +	pinctrl-1 = <&sdc1_state_off>;
> +	pinctrl-names = "default", "sleep";
> +
> +	non-removable;
> +	supports-cqe;
> +	no-sdio;
> +	no-sd;
> +
> +	status = "okay";
> +};
> +
> +&usb_1 {
> +	dr_mode = "peripheral";
> +
> +	status = "okay";
> +};
> +
> +&usb_1_hsphy {
> +	vdd-supply = <&pm4125_l12>;
> +	vdda-pll-supply = <&pm4125_l13>;
> +	vdda-phy-dpdm-supply = <&pm4125_l21>;
> +
> +	status = "okay";
> +};
> +
> +&usb_qmpphy {
> +	vdda-phy-supply = <&pm4125_l8>;
> +	vdda-pll-supply = <&pm4125_l13>;
> +
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/shikra-evk.dtsi b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
> new file mode 100644
> index 000000000000..fae8c75b68b3
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
> @@ -0,0 +1,13 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +&qupv3_0 {
> +	firmware-name = "qcom/shikra/qupv3fw.elf";
> +	status = "okay";
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry