On 2015/10/14 4:42, Rob Herring wrote: > On Tue, Oct 13, 2015 at 1:26 AM, chenfeng <puck.chen@xxxxxxxxxxxxx> wrote: >> >> >> On 2015/10/12 17:31, Mark Rutland wrote: >>> On Mon, Oct 12, 2015 at 02:46:24PM +0800, Chen Feng wrote: >>>> Documentation for hi6220 SoC ION node >>>> >>>> Signed-off-by: Chen Feng <puck.chen@xxxxxxxxxxxxx> >>>> Signed-off-by: Yu Dongbin <yudongbin@xxxxxxxxxxxxx> >>>> --- >>>> .../devicetree/bindings/staging/ion/hi6220-ion.txt | 31 ++++++++++++++++++++++ >>>> 1 file changed, 31 insertions(+) >>>> create mode 100644 Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt >>> >>> >>> We should not be adding platform-specific bindings and/or drivers for >>> this. >>> >>> There's already a proposal for a generic binding [1]. Please work with >>> that rather than working on your own. >>> >>> Mark. >>> >>> [1] https://lkml.org/lkml/2015/10/6/854 >> >> Mark, I checked the patch in https://lkml.org/lkml/2015/10/6/854. >> >> It's a generic binding document for devicetree of ion. >> >> Should I just drop this document patch? >> >> Is the patch 2,3 for hisilicon ion ok for upstream? >> >> Please give me more help. Thanks very much. > > Well, first we need to accept the documentation patch before this. I'm > expecting at least some changes to the doc first. > > Rob > Rob, Thanks first, I am not sure that I have understood your and mark's opinions. I will change the document as the string defined in of-ion.c which is in https://lkml.org/lkml/2015/10/6/856 >> >>> >>>> diff --git a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt >>>> new file mode 100644 >>>> index 0000000..c59e27c >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt >>>> @@ -0,0 +1,31 @@ >>>> +Hi6220 SoC ION >>>> +=================================================================== >>>> +Required properties: >>>> +- compatible : "hisilicon,hi6220-ion" >>>> +- list of the ION heaps >>>> + - heap name : maybe heap_sys_user@0 >>>> + - heap id : id should be unique in the system. >>>> + - heap base : base ddr address of the heap,0 means that >>>> + it is dynamic. >>>> + - heap size : memory size and 0 means it is dynamic. >>>> + - heap type : the heap type of the heap, please also >>>> + see the define in ion.h(drivers/staging/android/uapi/ion.h) >>>> +------------------------------------------------------------------- >>>> +Example: >>>> + hi6220-ion { >>>> + compatible = "hisilicon,hi6220-ion"; >>>> + heap_sys_user@0 { >>>> + heap-name = "sys_user"; >>>> + heap-id = <0x0>; >>>> + heap-base = <0x0>; >>>> + heap-size = <0x0>; >>>> + heap-type = "ion_system"; >>>> + }; >>>> + heap_sys_contig@0 { >>>> + heap-name = "sys_contig"; >>>> + heap-id = <0x1>; >>>> + heap-base = <0x0>; >>>> + heap-size = <0x0>; >>>> + heap-type = "ion_system_contig"; >>>> + }; >>>> + }; >>>> -- >>>> 1.9.1 >>>> >>> >>> . >>> >> > > . > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html