[PATCH v3 01/10] ARM: dts: fork out common Exynos5 nodes

Chander Kashyap chander.kashyap at linaro.org
Tue Jun 18 00:24:49 EDT 2013


On 17 June 2013 17:08, Kukjin Kim <kgene.kim at samsung.com> wrote:
> Chander Kashyap wrote:
>>
>> In preparation of adding support for Exynos5420, which has many
>> peripherals
>> similar to Exynos5250, a new common Exynos5 device tree source file is
>> created out of the exising Exynos5250 device tree source file. Only the
>> common nodes required for basic boot up on Exynos5420 based boards are
>> moved
>> into this new file and the rest of the common nodes would be moved
>> subsequently.
>>
> Yeah, most of exynos5250 is used in exynos5420. Since created exynos5.dtsi
> cannot support exynos5440 so that would be helpful if you could add some
> comments in git log and codes about that.
Sure, i will add comments regarding 5440.
>
>> Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
>> ---
>>  arch/arm/boot/dts/exynos5.dtsi    |  111
>> +++++++++++++++++++++++++++++++++++++
>>  arch/arm/boot/dts/exynos5250.dtsi |   68 +----------------------
>>  2 files changed, 113 insertions(+), 66 deletions(-)
>>  create mode 100644 arch/arm/boot/dts/exynos5.dtsi
>>
>> diff --git a/arch/arm/boot/dts/exynos5.dtsi
>> b/arch/arm/boot/dts/exynos5.dtsi
>> new file mode 100644
>> index 0000000..5684f89
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/exynos5.dtsi
>> @@ -0,0 +1,111 @@
>> +/*
>> + * Samsung's Exynos5 SoC series common device tree source
>> + *
>> + * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
>> + *           http://www.samsung.com
>> + *
>> + * Samsung's Exynos5 SoC series device nodes are listed in this file.
>> Particular
>> + * SoCs from Exynos5 series can include this file and provide values for
>> SoCs
>> + * 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 "skeleton.dtsi"
>> +
>> +/ {
>> +     interrupt-parent = <&gic>;
>> +
>> +     chipid at 10000000 {
>> +             compatible = "samsung,exynos4210-chipid";
>> +             reg = <0x10000000 0x100>;
>> +     };
>> +
>> +     watchdog {
>> +             compatible = "samsung,s3c2410-wdt";
>> +             reg = <0x101D0000 0x100>;
>> +             interrupts = <0 42 0>;
>> +             status = "disabled";
>> +     };
>
> I think, you put them by the address order. But as you know, some of them
> are different with exynos5250 and exynos5420. So alphabetical ordering would
> be helpful after putting core part.
> So, chipid, gic, combiner and alphabetical ordering IPs...
Ok i will re-order the nodes.

>
>> +
>> +     rtc {
>> +             compatible = "samsung,s3c6410-rtc";
>> +             reg = <0x101E0000 0x100>;
>> +             interrupts = <0 43 0>, <0 44 0>;
>> +             status = "disabled";
>> +     };
>> +
>> +     combiner:interrupt-controller at 10440000 {
>> +             compatible = "samsung,exynos4210-combiner";
>> +             #interrupt-cells = <2>;
>> +             interrupt-controller;
>> +             samsung,combiner-nr = <32>;
>> +             reg = <0x10440000 0x1000>;
>> +             interrupts =    <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>,
>> +                             <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>,
>> +                             <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>,
>> +                             <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>,
>> +                             <0 16 0>, <0 17 0>, <0 18 0>, <0 19 0>,
>> +                             <0 20 0>, <0 21 0>, <0 22 0>, <0 23 0>,
>> +                             <0 24 0>, <0 25 0>, <0 26 0>, <0 27 0>,
>> +                             <0 28 0>, <0 29 0>, <0 30 0>, <0 31 0>;
>> +     };
>> +
>> +     gic:interrupt-controller at 10481000 {
>> +             compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
>> +             #interrupt-cells = <3>;
>> +             interrupt-controller;
>> +             reg =   <0x10481000 0x1000>,
>> +                     <0x10482000 0x1000>,
>> +                     <0x10484000 0x2000>,
>> +                     <0x10486000 0x2000>;
>> +             interrupts = <1 9 0xf04>;
>> +     };
>> +
>> +     dwmmc_0: dwmmc0 at 12200000 {
>> +             compatible = "samsung,exynos5250-dw-mshc";
>> +             interrupts = <0 75 0>;
>> +             #address-cells = <1>;
>> +             #size-cells = <0>;
>> +     };
>> +
>> +     dwmmc_1: dwmmc1 at 12210000 {
>> +             compatible = "samsung,exynos5250-dw-mshc";
>> +             interrupts = <0 76 0>;
>> +             #address-cells = <1>;
>> +             #size-cells = <0>;
>> +     };
>> +
>> +     dwmmc_2: dwmmc2 at 12220000 {
>> +             compatible = "samsung,exynos5250-dw-mshc";
>> +             interrupts = <0 77 0>;
>> +             #address-cells = <1>;
>> +             #size-cells = <0>;
>> +     };
>> +
>> +     serial at 12C00000 {
>> +             compatible = "samsung,exynos4210-uart";
>> +             reg = <0x12C00000 0x100>;
>> +             interrupts = <0 51 0>;
>> +     };
>> +
>> +     serial at 12C10000 {
>> +             compatible = "samsung,exynos4210-uart";
>> +             reg = <0x12C10000 0x100>;
>> +             interrupts = <0 52 0>;
>> +     };
>> +
>> +     serial at 12C20000 {
>> +             compatible = "samsung,exynos4210-uart";
>> +             reg = <0x12C20000 0x100>;
>> +             interrupts = <0 53 0>;
>> +     };
>> +
>> +     serial at 12C30000 {
>> +             compatible = "samsung,exynos4210-uart";
>> +             reg = <0x12C30000 0x100>;
>> +             interrupts = <0 54 0>;
>> +     };
>> +};
>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
>> b/arch/arm/boot/dts/exynos5250.dtsi
>> index 0673524..2b59ea3 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -17,12 +17,11 @@
>>   * published by the Free Software Foundation.
>>  */
>>
>> -/include/ "skeleton.dtsi"
>> -/include/ "exynos5250-pinctrl.dtsi"
>> +#include "exynos5.dtsi"
>> +#include "exynos5250-pinctrl.dtsi"
>>
> I remember, to use #include is in Padma's patch and I've applied in my
> local. So don't change it and just adding inclusion exynos5 is enough.
Sure i will change it and use #include in exynos5.dtsi only.
>
> Others look good to me.

Thanks for the review.
>
> Thanks,
> - Kukjin
>



--
with warm regards,
Chander Kashyap



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