arm64: dts: qcom: sm8150-mtp: Add base dts file

This add base DTS file for sm8150-mtp and enables boot to console, adds
tlmm reserved range, resin node, volume down key and also includes pmic
file.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/Makefile

@@ -18,5 +18,6 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r3.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-db845c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-mtp.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-mtp.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-4000.dtb

arch/arm64/boot/dts/qcom/sm8150-mtp.dts

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019, Linaro Limited
+ */
+
+/dts-v1/;
+
+#include "sm8150.dtsi"
+#include "pm8150.dtsi"
+#include "pm8150b.dtsi"
+#include "pm8150l.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. SM8150 MTP";
+	compatible = "qcom,sm8150-mtp";
+
+	aliases {
+		serial0 = &uart2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&qupv3_id_1 {
+	status = "okay";
+};
+
+&pon {
+	pwrkey {
+		status = "okay";
+	};
+
+	resin {
+		compatible = "qcom,pm8941-resin";
+		interrupts = <0x0 0x8 0x1 IRQ_TYPE_EDGE_BOTH>;
+		debounce = <15625>;
+		bias-pull-up;
+		linux,code = <KEY_VOLUMEDOWN>;
+	};
+};
+
+&tlmm {
+	gpio-reserved-ranges = <0 4>, <126 4>;
+};
+
+&uart2 {
+	status = "okay";
+};