-- Tomasz Figa Linux Kernel Developer Samsung R&D Institute Poland Samsung Electronics On Monday 17 of June 2013 16:30:32 Chander Kashyap wrote: > Add initial device tree nodes for Exynos5420 SoC and SMDK5420 board. > > Signed-off-by: Chander Kashyap <chander.kashyap@xxxxxxxxxx> > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/exynos5420-smdk5420.dts | 33 +++++++++ > arch/arm/boot/dts/exynos5420.dtsi | 103 > +++++++++++++++++++++++++++++ 3 files changed, 137 insertions(+) > create mode 100644 arch/arm/boot/dts/exynos5420-smdk5420.dts > create mode 100644 arch/arm/boot/dts/exynos5420.dtsi > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index f0895c5..5efa7e0 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -57,6 +57,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \ > exynos5440-sd5v1.dtb \ > exynos5250-smdk5250.dtb \ > exynos5250-snow.dtb \ > + exynos5420-smdk5420.dtb \ > exynos5440-ssdk5440.dtb > dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \ > ecx-2000.dtb > diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts > b/arch/arm/boot/dts/exynos5420-smdk5420.dts new file mode 100644 > index 0000000..d14ece5 > --- /dev/null > +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts > @@ -0,0 +1,33 @@ > +/* > + * SAMSUNG SMDK5420 board device tree source > + * > + * Copyright (c) 2013 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 "exynos5420.dtsi" > + > +/ { > + model = "Samsung SMDK5420 board based on EXYNOS5420"; > + compatible = "samsung,smdk5420", "samsung,exynos5420"; > + > + memory { > + reg = <0x20000000 0x80000000>; > + }; > + > + chosen { > + bootargs = "console=ttySAC2,115200 init=/linuxrc"; > + }; > + > + fixed-rate-clocks { > + oscclk { > + compatible = "samsung,exynos5420-oscclk"; > + clock-frequency = <24000000>; > + }; > + }; > +}; > diff --git a/arch/arm/boot/dts/exynos5420.dtsi > b/arch/arm/boot/dts/exynos5420.dtsi new file mode 100644 > index 0000000..e865be5 > --- /dev/null > +++ b/arch/arm/boot/dts/exynos5420.dtsi > @@ -0,0 +1,103 @@ > +/* > + * SAMSUNG EXYNOS5420 SoC device tree source > + * > + * Copyright (c) 2013 Samsung Electronics Co., Ltd. > + * http://www.samsung.com > + * > + * SAMSUNG EXYNOS54200 SoC device nodes are listed in this file. > + * EXYNOS5420 based board files can include this file and provide > + * values for board specfic bindings. > + * > + * 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 "exynos5.dtsi" > +/ { > + compatible = "samsung,exynos5420"; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a15"; > + reg = <0x0>; > + clock-frequency = <800000000>; It is the only frequency at which this SoC can run? What code does actually use this property? Can't this frequency be read by calling clk_get_rate() on armclk? Otherwise looks good: Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Best regards, Tomasz > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a15"; > + reg = <0x1>; > + clock-frequency = <800000000>; > + }; > + > + cpu2: cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a15"; > + reg = <0x2>; > + clock-frequency = <800000000>; > + }; > + > + cpu3: cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a15"; > + reg = <0x3>; > + clock-frequency = <800000000>; > + }; > + }; > + > + clock: clock-controller@0x10010000 { > + compatible = "samsung,exynos5420-clock"; > + reg = <0x10010000 0x30000>; > + #clock-cells = <1>; > + }; > + > + mct@101C0000 { > + compatible = "samsung,exynos4210-mct"; > + reg = <0x101C0000 0x800>; > + interrupt-controller; > + #interrups-cells = <1>; > + interrupt-parent = <&mct_map>; > + interrupts = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>; > + clocks = <&clock 1>, <&clock 315>; > + clock-names = "fin_pll", "mct"; > + > + mct_map: mct-map { > + #interrupt-cells = <1>; > + #address-cells = <0>; > + #size-cells = <0>; > + interrupt-map = <0 &combiner 23 3>, > + <1 &combiner 23 4>, > + <2 &combiner 25 2>, > + <3 &combiner 25 3>, > + <4 &gic 0 120 0>, > + <5 &gic 0 121 0>, > + <6 &gic 0 122 0>, > + <7 &gic 0 123 0>; > + }; > + }; > + > + serial@12C00000 { > + clocks = <&clock 257>, <&clock 128>; > + clock-names = "uart", "clk_uart_baud0"; > + }; > + > + serial@12C10000 { > + clocks = <&clock 258>, <&clock 129>; > + clock-names = "uart", "clk_uart_baud0"; > + }; > + > + serial@12C20000 { > + clocks = <&clock 259>, <&clock 130>; > + clock-names = "uart", "clk_uart_baud0"; > + }; > + > + serial@12C30000 { > + clocks = <&clock 260>, <&clock 131>; > + clock-names = "uart", "clk_uart_baud0"; > + }; > +}; -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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