arm64: dts: qcom: Add Shikra EVK boards

Add device trees for the Shikra EVK platform, which combines Shikra
SoM with a common carrier board.

Introduce DTS files for CQM, CQS and IQS EVK variants:
- shikra-cqm-evk.dts
- shikra-cqs-evk.dts
- shikra-iqs-evk.dts

Also add a shared include file, shikra-evk.dtsi, which contains the
common daughter card nodes used across Shikra EVK variants.

Signed-off-by: Komal Bajaj <komal.bajaj@oss.qualcomm.com>

Author: Komal-Bajaj

arch/arm64/boot/dts/qcom/Makefile

@@ -289,6 +289,9 @@ 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-$(CONFIG_ARCH_QCOM)	+= shikra-iqs-evk.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm4250-oneplus-billie2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm4450-qrd.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm6115-fxtec-pro1x.dtb

arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include "shikra-cqm-som.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Shikra CQM EVK";
+	compatible = "qcom,shikra-cqm-evk", "qcom,shikra-cqm-som", "qcom,shikra";
+	chassis-type = "embedded";
+
+	aliases {
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};

arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include "shikra-cqs-som.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Shikra CQS EVK";
+	compatible = "qcom,shikra-cqs-evk", "qcom,shikra-cqs-som", "qcom,shikra";
+	chassis-type = "embedded";
+
+	aliases {
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};

arch/arm64/boot/dts/qcom/shikra-evk.dtsi

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/* Common daughter cards nodes to be added:
+ * QPS615 DC
+ * MIC DC
+ * Display DC
+ * Camera DC
+ * USB hub DC
+ * Sensor DC
+ * NFC DC
+ */

arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include "shikra-iqs-som.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. Shikra IQS EVK";
+	compatible = "qcom,shikra-iqs-evk", "qcom,shikra-iqs-som", "qcom,shikra";
+	chassis-type = "embedded";
+
+	aliases {
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};