arm64: dts: Add Qualcomm MSM8916 SoC and evaluation board dts

Add initial device tree support for Qualcomm MSM8916 SoC and MTP8916
evaluation board.  At the current time we only boot up a single processor.

Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/boot/dts/Makefile

@@ -5,6 +5,7 @@ dts-dirs += cavium
 dts-dirs += exynos
 dts-dirs += freescale
 dts-dirs += mediatek
+dts-dirs += qcom
 dts-dirs += sprd
 dts-dirs += xilinx
 

arch/arm64/boot/dts/qcom/Makefile

@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-mtp.dtb
+
+always		:= $(dtb-y)
+subdir-y	:= $(dts-dirs)
+clean-files	:= *.dtb

arch/arm64/boot/dts/qcom/msm8916-mtp.dts

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+
+#include "msm8916-mtp.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. MSM 8916 MTP";
+	compatible = "qcom,msm8916-mtp", "qcom,msm8916-mtp-smb1360",
+			"qcom,msm8916", "qcom,mtp";
+};

arch/arm64/boot/dts/qcom/msm8916-mtp.dtsi

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "msm8916.dtsi"
+
+/ {
+	aliases {
+		serial0 = &blsp1_uart2;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+
+	soc {
+		serial@78b0000 {
+			status = "okay";
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&blsp1_uart2_default>;
+			pinctrl-1 = <&blsp1_uart2_sleep>;
+		};
+	};
+};

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-msm8916.h>
+#include <dt-bindings/reset/qcom,gcc-msm8916.h>
+
+/ {
+	model = "Qualcomm Technologies, Inc. MSM8916";
+	compatible = "qcom,msm8916";
+
+	interrupt-parent = <&intc>;
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases { };
+
+	chosen { };
+
+	memory {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the reg */
+		reg = <0 0 0 0>;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0>;
+		};
+
+		CPU1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x1>;
+		};
+
+		CPU2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x2>;
+		};
+
+		CPU3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x3>;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	soc: soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0 0 0xffffffff>;
+		compatible = "simple-bus";
+
+		pinctrl@1000000 {
+			compatible = "qcom,msm8916-pinctrl";
+			reg = <0x1000000 0x300000>;
+			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			blsp1_uart2_default: blsp1_uart2_default {
+				pinmux {
+					function = "blsp_uart2";
+					pins = "gpio4", "gpio5";
+				};
+				pinconf {
+					pins = "gpio4", "gpio5";
+					drive-strength = <16>;
+					bias-disable;
+				};
+			};
+
+			blsp1_uart2_sleep: blsp1_uart2_sleep {
+				pinmux {
+					function = "blsp_uart2";
+					pins = "gpio4", "gpio5";
+				};
+				pinconf {
+					pins = "gpio4", "gpio5";
+					drive-strength = <2>;
+					bias-pull-down;
+				};
+			};
+		};
+
+		gcc: qcom,gcc@1800000 {
+			compatible = "qcom,gcc-msm8916";
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			reg = <0x1800000 0x80000>;
+		};
+
+		blsp1_uart2: serial@78b0000 {
+			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+			reg = <0x78b0000 0x200>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "core", "iface";
+			status = "disabled";
+		};
+
+		intc: interrupt-controller@b000000 {
+			compatible = "qcom,msm-qgic2";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			reg = <0x0b000000 0x1000>, <0x0b002000 0x1000>;
+		};
+
+		timer@b020000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			compatible = "arm,armv7-timer-mem";
+			reg = <0xb020000 0x1000>;
+			clock-frequency = <19200000>;
+
+			frame@b021000 {
+				frame-number = <0>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb021000 0x1000>,
+				      <0xb022000 0x1000>;
+			};
+
+			frame@b023000 {
+				frame-number = <1>;
+				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb023000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b024000 {
+				frame-number = <2>;
+				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb024000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b025000 {
+				frame-number = <3>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb025000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b026000 {
+				frame-number = <4>;
+				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb026000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b027000 {
+				frame-number = <5>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb027000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@b028000 {
+				frame-number = <6>;
+				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0xb028000 0x1000>;
+				status = "disabled";
+			};
+		};
+	};
+};