From c95360247bdd67d39b55f7e743153efa64e4efe3 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Sat, 5 Nov 2016 00:53:38 +0300 Subject: [PATCH] ARM: dts: r8a7745: initial SoC device tree The initial R8A7745 SoC device tree including CPU0, GIC, timer, SYSC, RST, CPG, and the required clock descriptions. Based on the original (and large) patch by Dmitry Shifrin . Signed-off-by: Sergei Shtylyov Reviewed-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7745.dtsi | 120 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 arch/arm/boot/dts/r8a7745.dtsi diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi new file mode 100644 index 0000000..fbf72dd --- /dev/null +++ b/arch/arm/boot/dts/r8a7745.dtsi @@ -0,0 +1,120 @@ +/* + * Device Tree Source for the r8a7745 SoC + * + * Copyright (C) 2016 Cogent Embedded Inc. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include +#include +#include +#include + +/ { + compatible = "renesas,r8a7745"; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0>; + clock-frequency = <1000000000>; + clocks = <&cpg CPG_CORE R8A7745_CLK_Z2>; + power-domains = <&sysc R8A7745_PD_CA7_CPU0>; + next-level-cache = <&L2_CA7>; + }; + + L2_CA7: cache-controller@0 { + compatible = "cache"; + reg = <0>; + cache-unified; + cache-level = <2>; + power-domains = <&sysc R8A7745_PD_CA7_SCU>; + }; + }; + + soc { + compatible = "simple-bus"; + interrupt-parent = <&gic>; + + #address-cells = <2>; + #size-cells = <2>; + ranges; + + gic: interrupt-controller@f1001000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0 0xf1001000 0 0x1000>, + <0 0xf1002000 0 0x1000>, + <0 0xf1004000 0 0x2000>, + <0 0xf1006000 0 0x2000>; + interrupts = ; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupts = , + , + , + ; + }; + + cpg: clock-controller@e6150000 { + compatible = "renesas,r8a7745-cpg-mssr"; + reg = <0 0xe6150000 0 0x1000>; + clocks = <&extal_clk>, <&usb_extal_clk>; + clock-names = "extal", "usb_extal"; + #clock-cells = <2>; + #power-domain-cells = <0>; + }; + + sysc: system-controller@e6180000 { + compatible = "renesas,r8a7745-sysc"; + reg = <0 0xe6180000 0 0x200>; + #power-domain-cells = <1>; + }; + + rst: reset-controller@e6160000 { + compatible = "renesas,r8a7745-rst"; + reg = <0 0xe6160000 0 0x100>; + }; + }; + + /* External root clock */ + extal_clk: extal { + compatible = "fixed-clock"; + #clock-cells = <0>; + /* This value must be overridden by the board. */ + clock-frequency = <0>; + }; + + /* External USB clock - can be overridden by the board */ + usb_extal_clk: usb_extal { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <48000000>; + }; + + /* External SCIF clock */ + scif_clk: scif { + compatible = "fixed-clock"; + #clock-cells = <0>; + /* This value must be overridden by the board. */ + clock-frequency = <0>; + }; +}; -- 2.7.4