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Date: Sat, 26 Apr 2014 13:41:50 +0200
From: Tomasz Figa <tomasz.figa@...il.com>
To: Tarek Dakhran <t.dakhran@...sung.com>, linux-kernel@...r.kernel.org
CC: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Rob Landley <rob@...dley.net>,
Kukjin Kim <kgene.kim@...sung.com>,
Russell King <linux@....linux.org.uk>,
Ben Dooks <ben-linux@...ff.org>,
Tomasz Figa <t.figa@...sung.com>,
Mike Turquette <mturquette@...aro.org>,
Vyacheslav Tyrtov <v.tyrtov@...sung.com>,
Thomas Abraham <thomas.abraham@...aro.org>,
Kyungmin Park <kyungmin.park@...sung.com>,
Heiko Stuebner <heiko@...ech.de>,
Romain Naour <romain.naour@...nwide.fr>,
Chander Kashyap <chander.kashyap@...aro.org>,
devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org,
Tarek Dakhran <t.dakhran@...il.com>
Subject: Re: [PATCH v8 3/3] ARM: dts: Add initial device tree support for
EXYNOS5410
Hi,
Since I've started enforcing reference-based DT syntax due to multiple
advantages over the plain full-tree based one, you should do the same
for your dts/i files. You can take the series adding support for
Exynos5260 as an example:
http://thread.gmane.org/gmane.linux.kernel.samsung-soc/29360
Best regards,
Tomasz
On 14.04.2014 09:17, Tarek Dakhran wrote:
> Add initial device tree nodes for EXYNOS5410 SoC and SMDK5410 board.
>
> Signed-off-by: Tarek Dakhran <t.dakhran@...sung.com>
> Signed-off-by: Vyacheslav Tyrtov <v.tyrtov@...sung.com>
> Reviewed-by: Tomasz Figa <t.figa@...sung.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/exynos5410-smdk5410.dts | 65 ++++++++++++++
> arch/arm/boot/dts/exynos5410.dtsi | 140 +++++++++++++++++++++++++++++
> 3 files changed, 206 insertions(+)
> create mode 100644 arch/arm/boot/dts/exynos5410-smdk5410.dts
> create mode 100644 arch/arm/boot/dts/exynos5410.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 35c146f..191dd19 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -74,6 +74,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
> exynos5250-smdk5250.dtb \
> exynos5250-snow.dtb \
> exynos5420-arndale-octa.dtb \
> + exynos5410-smdk5410.dtb \
> exynos5420-smdk5420.dtb \
> exynos5440-sd5v1.dtb \
> exynos5440-ssdk5440.dtb
> diff --git a/arch/arm/boot/dts/exynos5410-smdk5410.dts b/arch/arm/boot/dts/exynos5410-smdk5410.dts
> new file mode 100644
> index 0000000..d69e152
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos5410-smdk5410.dts
> @@ -0,0 +1,65 @@
> +/*
> + * SAMSUNG SMDK5410 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 "exynos5410.dtsi"
> +/ {
> + model = "Samsung SMDK5410 board based on EXYNOS5410";
> + compatible = "samsung,smdk5410", "samsung,exynos5410";
> +
> + memory {
> + reg = <0x40000000 0x80000000>;
> + };
> +
> + chosen {
> + bootargs = "console=ttySAC2,115200";
> + };
> +
> + fixed-rate-clocks {
> + oscclk {
> + compatible = "samsung,exynos5410-oscclk";
> + clock-frequency = <24000000>;
> + };
> + };
> +
> + mmc@...00000 {
> + status = "okay";
> + num-slots = <1>;
> + supports-highspeed;
> + broken-cd;
> + card-detect-delay = <200>;
> + samsung,dw-mshc-ciu-div = <3>;
> + samsung,dw-mshc-sdr-timing = <2 3>;
> + samsung,dw-mshc-ddr-timing = <1 2>;
> +
> + slot@0 {
> + reg = <0>;
> + bus-width = <8>;
> + };
> + };
> +
> + mmc@...20000 {
> + status = "okay";
> + num-slots = <1>;
> + supports-highspeed;
> + card-detect-delay = <200>;
> + samsung,dw-mshc-ciu-div = <3>;
> + samsung,dw-mshc-sdr-timing = <2 3>;
> + samsung,dw-mshc-ddr-timing = <1 2>;
> +
> + slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + disable-wp;
> + };
> + };
> +
> +};
> diff --git a/arch/arm/boot/dts/exynos5410.dtsi b/arch/arm/boot/dts/exynos5410.dtsi
> new file mode 100644
> index 0000000..e7cc930
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos5410.dtsi
> @@ -0,0 +1,140 @@
> +/*
> + * SAMSUNG EXYNOS5410 SoC device tree source
> + *
> + * Copyright (c) 2013 Samsung Electronics Co., Ltd.
> + * http://www.samsung.com
> + *
> + * SAMSUNG EXYNOS5410 SoC device nodes are listed in this file.
> + * EXYNOS5410 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 <dt-bindings/clock/exynos5410.h>
> +#include "exynos5.dtsi"
> +/ {
> + compatible = "samsung,exynos5410", "samsung,exynos5";
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + CPU0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <0>;
> + clock-frequency = <1600000000>;
> + };
> +
> + CPU1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <1>;
> + clock-frequency = <1600000000>;
> + };
> +
> + CPU2: cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <2>;
> + clock-frequency = <1600000000>;
> + };
> +
> + CPU3: cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a15";
> + reg = <3>;
> + clock-frequency = <1600000000>;
> + };
> + };
> +
> + clock: clock-controller@...10000 {
> + compatible = "samsung,exynos5410-clock";
> + reg = <0x10010000 0x30000>;
> + #clock-cells = <1>;
> + };
> +
> + timer@...C0000 {
> + compatible = "samsung,exynos4210-mct";
> + reg = <0x101C0000 0xB00>;
> + interrupt-parent = <&interrupt_map>;
> + interrupts = <0>, <1>, <2>, <3>,
> + <4>, <5>, <6>, <7>,
> + <8>, <9>, <10>, <11>;
> + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>;
> + clock-names = "fin_pll", "mct";
> +
> + interrupt_map: interrupt-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>,
> + <8 &gic 0 128 0>,
> + <9 &gic 0 129 0>,
> + <10 &gic 0 130 0>,
> + <11 &gic 0 131 0>;
> + };
> + };
> +
> + mmc_0: mmc@...00000 {
> + compatible = "samsung,exynos5250-dw-mshc";
> + interrupts = <0 75 0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x12200000 0x1000>;
> + clocks = <&clock CLK_MMC0>, <&clock CLK_SCLK_MMC0>;
> + clock-names = "biu", "ciu";
> + fifo-depth = <0x80>;
> + status = "disabled";
> + };
> +
> + mmc_1: mmc@...10000 {
> + compatible = "samsung,exynos5250-dw-mshc";
> + interrupts = <0 76 0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x12210000 0x1000>;
> + clocks = <&clock CLK_MMC1>, <&clock CLK_SCLK_MMC1>;
> + clock-names = "biu", "ciu";
> + fifo-depth = <0x80>;
> + status = "disabled";
> + };
> +
> + mmc_2: mmc@...20000 {
> + compatible = "samsung,exynos5250-dw-mshc";
> + interrupts = <0 77 0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x12220000 0x1000>;
> + clocks = <&clock CLK_MMC2>, <&clock CLK_SCLK_MMC2>;
> + clock-names = "biu", "ciu";
> + fifo-depth = <0x80>;
> + status = "disabled";
> + };
> +
> + serial@...00000 {
> + clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
> + clock-names = "uart", "clk_uart_baud0";
> + };
> +
> + serial@...10000 {
> + clocks = <&clock CLK_UART1>, <&clock CLK_SCLK_UART1>;
> + clock-names = "uart", "clk_uart_baud0";
> + };
> +
> + serial@...20000 {
> + clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
> + clock-names = "uart", "clk_uart_baud0";
> + };
> +
> +};
>
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