[PATCH 1/4] soc: rockchip: add bindings for Rockchip grf

[Jianqun Xu]

Hi Rob

在 24/02/2016 06:15, Rob Herring 写道:
> On Tue, Feb 23, 2016 at 03:01:01PM +0800, jianqun.xu wrote:
>> From: Jianqun Xu <jay.xu at rock-chips.com>
>>
>> Add devicetree bindings for Rockchip grf which found on
>> Rockchip SoCs.
>>
>> Signed-off-by: Jianqun Xu <jay.xu at rock-chips.com>
>> ---
>> changes in v2:
>> - add grf.txt (Heiko)
>>
>>   .../devicetree/bindings/soc/rockchip/grf.txt       | 35 ++++++++++++++++++++++
>>   1 file changed, 35 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/soc/rockchip/grf.txt
>>
>> diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
>> new file mode 100644
>> index 0000000..7fb0410
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
>> @@ -0,0 +1,35 @@
>> +* Rockchip General Register Files (GRF)
>> +
>> +The general register file will be used to do static set by software, which
>> +is composed of many registers for system control.
>> +
>> +From RK3368 SoCs, the GRF is divided into two sections,
>> +- GRF, used for general non-secure system,
>> +- PMUGRF, used for always on sysyem
>
> s/sysyem/system/
>
> Otherwise:
>
> Acked-by: Rob Herring <robh at kernel.org>
>
ok, thanks
>> +
>> +Required Properties:
>> +
>> +- compatible: GRF should be one of the followings
>> +   - "rockchip,rk3066-grf", "syscon": for rk3066
>> +   - "rockchip,rk3188-grf", "syscon": for rk3188
>> +   - "rockchip,rk3228-grf", "syscon": for rk3228
>> +   - "rockchip,rk3288-grf", "syscon": for rk3288
>> +   - "rockchip,rk3368-grf", "syscon": for rk3368
>> +   - "rockchip,rk3399-grf", "syscon": for rk3399
>> +- compatible: PMUGRF should be one of the followings
>> +   - "rockchip,rk3368-pmugrf", "syscon": for rk3368
>> +   - "rockchip,rk3399-pmugrf", "syscon": for rk3399
>> +- reg: physical base address of the controller and length of memory mapped
>> +  region.
>> +
>> +Example: GRF and PMUGRF of RK3399 SoCs
>> +
>> +	pmugrf: syscon at ff320000 {
>> +		compatible = "rockchip,rk3399-pmugrf", "syscon";
>> +		reg = <0x0 0xff320000 0x0 0x1000>;
>> +	};
>> +
>> +	grf: syscon at ff770000 {
>> +		compatible = "rockchip,rk3399-grf", "syscon";
>> +		reg = <0x0 0xff770000 0x0 0x10000>;
>> +	};
>> --
>> 1.9.1
>>
>>
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