From mboxrd@z Thu Jan 1 00:00:00 1970 From: wangkefeng.wang@huawei.com (Kefeng Wang) Date: Wed, 13 Apr 2016 13:58:02 +0800 Subject: [PATCH v2 1/2] dt/bindings: Add bindings for hisilicon random number generator In-Reply-To: References: <1460017397-30996-1-git-send-email-wangkefeng.wang@huawei.com> <1460017397-30996-2-git-send-email-wangkefeng.wang@huawei.com> <20160411144306.GA24637@rob-hp-laptop> <570C4C52.4020902@huawei.com> Message-ID: <570DDFEA.4090103@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2016/4/12 21:54, Rob Herring wrote: > On Mon, Apr 11, 2016 at 8:16 PM, Kefeng Wang wrote: >> >> >> On 2016/4/11 22:43, Rob Herring wrote: >>> On Thu, Apr 07, 2016 at 04:23:16PM +0800, Kefeng Wang wrote: >>>> Document the devicetree bindings for the random number generator found >>>> on Hisilicon Hip04 and Hip05 soc. >>>> >>>> Signed-off-by: Kefeng Wang >>>> --- >>>> Documentation/devicetree/bindings/rng/hisi-rng.txt | 12 ++++++++++++ >>>> 1 file changed, 12 insertions(+) >>>> create mode 100644 Documentation/devicetree/bindings/rng/hisi-rng.txt >>>> >>>> diff --git a/Documentation/devicetree/bindings/rng/hisi-rng.txt b/Documentation/devicetree/bindings/rng/hisi-rng.txt >>>> new file mode 100644 >>>> index 0000000..72efcc1 >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/rng/hisi-rng.txt >>>> @@ -0,0 +1,12 @@ >>>> +Hisilicon Random Number Generator >>>> + >>>> +Required properties: >>>> +- compatible : Should be "hisilicon,rng" >>>> +- reg : Offset and length of the register set of this block >>>> + >>>> +Example: >>>> + >>>> +rng at d1010000 { >>>> + compatible = "hisilicon,rng"; >>> >>> This still needs SoC specific compatible strings. >> >> It is used by Hip04/Hip05 at lease, but for new SoC, like Hip06, it maybe different, >> using single Soc prefix is not proper, how about hisilicon,rng-v1, or add two compatible >> hisilicon,hip04-rng and hisilicon,hip05-rng? What's your option? > > It is perfectly fine to include hisilicon,hip04-rng string for hip05 > and later if the block is the same. You should still have both strings > (the original and current SoC) in case there is some issue or > difference found. > > Unless there is a real IP version defined, you should avoid made up > version numbers. > Ok, will add both of them in v4, thanks. > Rob > > . >