[PATCH v6 2/7] arm64: dts: Add initial device tree support for EXYNOS7
Abhilash Kesavan
a.kesavan at samsung.com
Thu Nov 6 21:20:50 PST 2014
From: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
Add initial device tree nodes for EXYNOS7 SoC and board dts file
to support Espresso board based on Exynos7 SoC.
Signed-off-by: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
Reviewed-by: Thomas Abraham <thomas.ab at samsung.com>
Tested-by: Thomas Abraham <thomas.ab at samsung.com>
Cc: Rob Herring <robh at kernel.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/exynos/Makefile | 5 +
arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 39 +++++
arch/arm64/boot/dts/exynos/exynos7.dtsi | 183 +++++++++++++++++++++++
4 files changed, 228 insertions(+)
create mode 100644 arch/arm64/boot/dts/exynos/Makefile
create mode 100644 arch/arm64/boot/dts/exynos/exynos7-espresso.dts
create mode 100644 arch/arm64/boot/dts/exynos/exynos7.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index e8efc8f..fdda246 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -1,6 +1,7 @@
dts-dirs += apm
dts-dirs += arm
dts-dirs += cavium
+dts-dirs += exynos
always := $(dtb-y)
subdir-y := $(dts-dirs)
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
new file mode 100644
index 0000000..20310e5
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_EXYNOS7) += exynos7-espresso.dtb
+
+always := $(dtb-y)
+subdir-y := $(dts-dirs)
+clean-files := *.dtb
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
new file mode 100644
index 0000000..e2c8283
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -0,0 +1,39 @@
+/*
+ * SAMSUNG Exynos7 Espresso board device tree source
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/dts-v1/;
+#include "exynos7.dtsi"
+
+/ {
+ model = "Samsung Exynos7 Espresso board based on EXYNOS7";
+ compatible = "samsung,exynos7-espresso", "samsung,exynos7";
+
+ aliases {
+ serial0 = &serial_2;
+ };
+
+ chosen {
+ linux,stdout-path = &serial_2;
+ };
+
+ memory at 40000000 {
+ device_type = "memory";
+ reg = <0x0 0x40000000 0x0 0xC0000000>;
+ };
+};
+
+&fin_pll {
+ clock-frequency = <24000000>;
+};
+
+&serial_2 {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
new file mode 100644
index 0000000..c4cabc6
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -0,0 +1,183 @@
+/*
+ * SAMSUNG EXYNOS7 SoC device tree source
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <dt-bindings/clock/exynos7-clk.h>
+
+/ {
+ compatible = "samsung,exynos7";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57", "arm,armv8";
+ enable-method = "psci";
+ reg = <0x0>;
+ };
+
+ cpu at 1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57", "arm,armv8";
+ enable-method = "psci";
+ reg = <0x1>;
+ };
+
+ cpu at 2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57", "arm,armv8";
+ enable-method = "psci";
+ reg = <0x2>;
+ };
+
+ cpu at 3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57", "arm,armv8";
+ enable-method = "psci";
+ reg = <0x3>;
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ soc: soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0 0x18000000>;
+
+ chipid at 10000000 {
+ compatible = "samsung,exynos4210-chipid";
+ reg = <0x10000000 0x100>;
+ };
+
+ fin_pll: xxti {
+ compatible = "fixed-clock";
+ clock-output-names = "fin_pll";
+ #clock-cells = <0>;
+ };
+
+ gic: interrupt-controller at 11001000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x11001000 0x1000>,
+ <0x11002000 0x1000>,
+ <0x11004000 0x2000>,
+ <0x11006000 0x2000>;
+ };
+
+ clock_topc: clock-controller at 10570000 {
+ compatible = "samsung,exynos7-clock-topc";
+ reg = <0x10570000 0x10000>;
+ #clock-cells = <1>;
+ };
+
+ clock_top0: clock-controller at 105d0000 {
+ compatible = "samsung,exynos7-clock-top0";
+ reg = <0x105d0000 0xb000>;
+ #clock-cells = <1>;
+ clocks = <&fin_pll>, <&clock_topc DOUT_SCLK_BUS0_PLL>,
+ <&clock_topc DOUT_SCLK_BUS1_PLL>,
+ <&clock_topc DOUT_SCLK_CC_PLL>,
+ <&clock_topc DOUT_SCLK_MFC_PLL>;
+ clock-names = "fin_pll", "dout_sclk_bus0_pll",
+ "dout_sclk_bus1_pll", "dout_sclk_cc_pll",
+ "dout_sclk_mfc_pll";
+ };
+
+ clock_peric0: clock-controller at 13610000 {
+ compatible = "samsung,exynos7-clock-peric0";
+ reg = <0x13610000 0xd00>;
+ #clock-cells = <1>;
+ clocks = <&fin_pll>, <&clock_top0 DOUT_ACLK_PERIC0>,
+ <&clock_top0 CLK_SCLK_UART0>;
+ clock-names = "fin_pll", "dout_aclk_peric0_66",
+ "sclk_uart0";
+ };
+
+ clock_peric1: clock-controller at 14c80000 {
+ compatible = "samsung,exynos7-clock-peric1";
+ reg = <0x14c80000 0xd00>;
+ #clock-cells = <1>;
+ clocks = <&fin_pll>, <&clock_top0 DOUT_ACLK_PERIC1>,
+ <&clock_top0 CLK_SCLK_UART1>,
+ <&clock_top0 CLK_SCLK_UART2>,
+ <&clock_top0 CLK_SCLK_UART3>;
+ clock-names = "fin_pll", "dout_aclk_peric1_66",
+ "sclk_uart1", "sclk_uart2", "sclk_uart3";
+ };
+
+ clock_peris: clock-controller at 10040000 {
+ compatible = "samsung,exynos7-clock-peris";
+ reg = <0x10040000 0xd00>;
+ #clock-cells = <1>;
+ clocks = <&fin_pll>, <&clock_topc DOUT_ACLK_PERIS>;
+ clock-names = "fin_pll", "dout_aclk_peris_66";
+ };
+
+ serial_0: serial at 13630000 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0x13630000 0x100>;
+ interrupts = <0 440 0>;
+ clocks = <&clock_peric0 PCLK_UART0>,
+ <&clock_peric0 SCLK_UART0>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+
+ serial_1: serial at 14c20000 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0x14c20000 0x100>;
+ interrupts = <0 456 0>;
+ clocks = <&clock_peric1 PCLK_UART1>,
+ <&clock_peric1 SCLK_UART1>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+
+ serial_2: serial at 14c30000 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0x14c30000 0x100>;
+ interrupts = <0 457 0>;
+ clocks = <&clock_peric1 PCLK_UART2>,
+ <&clock_peric1 SCLK_UART2>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+
+ serial_3: serial at 14c40000 {
+ compatible = "samsung,exynos4210-uart";
+ reg = <0x14c40000 0x100>;
+ interrupts = <0 458 0>;
+ clocks = <&clock_peric1 PCLK_UART3>,
+ <&clock_peric1 SCLK_UART3>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <1 13 0xff01>,
+ <1 14 0xff01>,
+ <1 11 0xff01>,
+ <1 10 0xff01>;
+ };
+ };
+};
--
1.7.9.5
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