Create a new device tree source file for Samsung's Exynos4 architecture and let Exynos4 based boards include it. We start with a uart device nodes in the device tree source file and incrementally add nodes as we improve the device tree coverage for Exynos4 architecture and related boards.
Signed-off-by: Thomas Abraham <[email protected]> --- arch/arm/boot/dts/exynos4-smdkv310.dts | 31 ++++++++++++++ arch/arm/boot/dts/exynos4.dtsi | 72 ++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+), 0 deletions(-) create mode 100644 arch/arm/boot/dts/exynos4-smdkv310.dts create mode 100644 arch/arm/boot/dts/exynos4.dtsi diff --git a/arch/arm/boot/dts/exynos4-smdkv310.dts b/arch/arm/boot/dts/exynos4-smdkv310.dts new file mode 100644 index 0000000..34a00b5 --- /dev/null +++ b/arch/arm/boot/dts/exynos4-smdkv310.dts @@ -0,0 +1,31 @@ +/* + * Samsung's Exynos4 based SMDKV310 board device tree source. + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * Device tree source file for Samsung's SMDKV310 board which is based on + * Samsung's Exynos4 architecture. + * + * 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/ "exynos4.dtsi" + +/ { + model = "Samsung Exynos4 smdkv310 eval board"; + compatible = "samsung,smdkv310", "samsung,exynos4"; + + memory { + reg = <0x40000000 0x80000000>; + }; + + chosen { + bootargs ="root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200 init=/linuxrc"; + }; +}; diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi new file mode 100644 index 0000000..babb24d --- /dev/null +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -0,0 +1,72 @@ +/* + * Samsung's Exynos4 Architecture device tree source. + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * This file acts as the core device tree for Samsung's Exynos4 based board + * device tree files. The Exynos4 architecture related device tree nodes + * will be listed in this file and Exynos4 based board device tree files + * should include this file. + * + * 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/ "skeleton.dtsi" + +/ { + compatible = "samsung,exynos4"; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&intc>; + ranges; + + intc:interrupt-controller@10490000 { + compatible = "samsung,exynos4-gic","arm,cortex-a9-gic"; + #interrupt-cells = <1>; + interrupt-controller; + reg = <0x10490000 0x1000>, <0x10480000 0x100>; + }; + + watchdog@10060000 { + compatible = "samsung,s3c2410-wdt"; + reg = <0x10060000 0x100>; + interrupts = <107>; + }; + + serial@13800000 { + compatible = "samsung,s5pv310-uart"; + reg = <0x13800000 0x100>; + interrupts = <16 18 17>; + samsung,uart-fifosize = <256>; + }; + + serial@13810000 { + compatible = "samsung,s5pv310-uart"; + reg = <0x13810000 0x100>; + interrupts = <20 22 21>; + samsung,uart-fifosize = <64>; + }; + + serial@13820000 { + compatible = "samsung,s5pv310-uart"; + reg = <0x13820000 0x100>; + interrupts = <24 26 25>; + samsung,uart-fifosize = <16>; + }; + + serial@13830000 { + compatible = "samsung,s5pv310-uart"; + reg = <0x13830000 0x100>; + interrupts = <28 30 29>; + samsung,uart-fifosize = <16>; + }; + }; +}; -- 1.7.4.1 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
