[RFC V4 PATCH 1/6] arm64: dts: msm8992 SoC and LG Bullhead (Nexus 5X) support

[Jeremy McNicoll <jeremymc-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

From: Jeremy McNicoll <jmcnicol-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Initial device tree support for Qualcomm MSM8992 SoC and
LG Bullhead / Google Nexus 5X support.

Signed-off-by: Jeremy McNicoll <jeremymc-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 arch/arm64/boot/dts/qcom/Makefile                  |   4 +-
 .../boot/dts/qcom/msm8992-bullhead-rev-101.dts     |  42 ++++
 arch/arm64/boot/dts/qcom/msm8992-pins.dtsi         |  38 ++++
 arch/arm64/boot/dts/qcom/msm8992.dtsi              | 214 +++++++++++++++++++++
 4 files changed, 296 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts
 create mode 100644 arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
 create mode 100644 arch/arm64/boot/dts/qcom/msm8992.dtsi

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 5dd05de..abb366e 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -1,6 +1,6 @@
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8016-sbc.dtb msm8916-mtp.dtb
-dtb-$(CONFIG_ARCH_QCOM)	+= msm8996-mtp.dtb
-dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= msm8996-mtp.dtb apq8096-db820c.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= msm8992-bullhead-rev-101.dtb
 
 always		:= $(dtb-y)
 subdir-y	:= $(dts-dirs)
diff --git a/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts b/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts
new file mode 100644
index 0000000..63fa3b0
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8992-bullhead-rev-101.dts
@@ -0,0 +1,42 @@
+/* Copyright (c) 2015, LGE Inc. All rights reserved.
+ * Copyright (c) 2016, 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 "msm8992.dtsi"
+
+/ {
+	model = "LGE MSM8992 BULLHEAD rev-1.01";
+	compatible = "qcom,msm8992";
+	/* required for bootloader to select correct board */
+	qcom,board-id = <0xb64 0>;
+};
+
+/ {
+	aliases {
+		serial0 = &blsp1_uart2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	soc {
+		serial@f991e000 {
+			status = "okay";
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&blsp1_uart2_default>;
+			pinctrl-1 = <&blsp1_uart2_sleep>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
new file mode 100644
index 0000000..d2a26f0
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+&msmgpio {
+	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 = "gpio";
+			pins = "gpio4", "gpio5";
+		};
+		pinconf {
+			pins = "gpio4", "gpio5";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
new file mode 100644
index 0000000..5d69a6b
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -0,0 +1,214 @@
+/* Copyright (c) 2013-2016, 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-msm8994.h>
+
+/ {
+	model = "Qualcomm Technologies, Inc. MSM 8992";
+	compatible = "qcom,msm8992";
+	// msm-id and pmic-id are needed by bootloader for
+	// selecting correct blob
+	qcom,msm-id = <251 0>, <252 0>;
+	qcom,pmic-id = <0x10009 0x1000A 0x0 0x0>;
+	interrupt-parent = <&intc>;
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	chosen { };
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&CPU0>;
+				};
+			};
+		};
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x0>;
+			next-level-cache = <&L2_0>;
+			// The currents(uA) correspond to the frequencies in the
+			// frequency table.
+			current = < 18250 //384000 kHZ
+				24330 //460800 kHZ
+				26920 //600000 kHZ
+				34600 //672000 kHz
+				38150 //787200 kHZ
+				46880 //864000 kHZ
+				55940 //960000 kHZ
+				81740 //1248000 kHZ
+				105870>; //1440000 kHZ
+			L2_0: l2-cache {
+				compatible = "cache";
+				cache-level = <2>;
+			};
+		};
+	};
+
+	soc: soc { };
+
+	memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+
+		device_type = "memory";
+		reg = <0 0 0 0>; // bootloader will update
+	};
+
+	clocks {
+		xo_board: xo_board {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <19200000>;
+		};
+
+		sleep_clk: sleep_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <32768>;
+		};
+	};
+};
+
+&soc {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0 0 0 0xffffffff>;
+	compatible = "simple-bus";
+
+	intc: interrupt-controller@f9000000 {
+		compatible = "qcom,msm-qgic2";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		reg = <0xf9000000 0x1000>,
+			<0xf9002000 0x1000>;
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <1 2 0xf08>,
+				<1 3 0xf08>,
+				<1 4 0xf08>,
+				<1 1 0xf08>;
+		clock-frequency = <19200000>;
+	};
+
+	timer@f9020000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		compatible = "arm,armv7-timer-mem";
+		reg = <0xf9020000 0x1000>;
+		clock-frequency = <19200000>;
+
+		frame@f9021000 {
+			frame-number = <0>;
+			interrupts = <0 9 0x4>,
+					<0 8 0x4>;
+			reg = <0xf9021000 0x1000>,
+				<0xf9022000 0x1000>;
+		};
+
+		frame@f9023000 {
+			frame-number = <1>;
+			interrupts = <0 10 0x4>;
+			reg = <0xf9023000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9024000 {
+			frame-number = <2>;
+			interrupts = <0 11 0x4>;
+			reg = <0xf9024000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9025000 {
+			frame-number = <3>;
+			interrupts = <0 12 0x4>;
+			reg = <0xf9025000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9026000 {
+			frame-number = <4>;
+			interrupts = <0 13 0x4>;
+			reg = <0xf9026000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9027000 {
+			frame-number = <5>;
+			interrupts = <0 14 0x4>;
+			reg = <0xf9027000 0x1000>;
+			status = "disabled";
+		};
+
+		frame@f9028000 {
+			frame-number = <6>;
+			interrupts = <0 15 0x4>;
+			reg = <0xf9028000 0x1000>;
+			status = "disabled";
+		};
+	};
+
+	restart@fc4ab000 {
+		compatible = "qcom,pshold";
+		reg = <0xfc4ab000 0x4>;
+	};
+
+	msmgpio: pinctrl@fd510000 {
+		compatible = "qcom,msm8994-pinctrl", "qcom,msm8974-pinctrl";
+		reg = <0xfd510000 0x4000>;
+		interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
+	blsp1_uart2: serial@f991e000 {
+		compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+		reg = <0xf991e000 0x1000>;
+		interrupts = <0 108 0>;
+		status = "disabled";
+		clock-names = "core", "iface";
+		clocks = <&clock_gcc GCC_BLSP1_UART2_APPS_CLK>,
+			<&clock_gcc GCC_BLSP1_AHB_CLK>;
+	};
+
+	clock_gcc: qcom,gcc@fc400000 {
+		compatible = "qcom,gcc-8994";
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+		#power-domain-cells = <1>;
+		reg = <0xfc400000 0x2000>;
+		clock-names = "xo", "xo_a_clk";
+	};
+
+	clock_rpm: qcom,rpmcc@fc401880 {
+		compatible = "qcom,rpmcc";
+		reg = <0xfc401880 0x4>;
+		reg-names = "cc_base";
+		#clock-cells = <1>;
+	};
+
+};
+
+#include "msm8992-pins.dtsi"
-- 
2.6.1

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