linux-kernel - Re: [PATCH v2 3/6] dt/bindings: Add bindings for Tegra GMI controller

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Message-ID: <a7851104-1aa1-fd8d-a594-545a01046cdf@nvidia.com>
Date:   Fri, 26 Aug 2016 08:25:08 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Mirza Krak <mirza.krak@...il.com>
CC:     Stephen Warren <swarren@...dotorg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Courbot <gnurou@...il.com>, <linux@...linux.org.uk>,
        <pdeschrijver@...dia.com>, Prashant Gaikwad <pgaikwad@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        <sboyd@...eaurora.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v2 3/6] dt/bindings: Add bindings for Tegra GMI controller


On 26/08/16 05:53, Mirza Krak wrote:

...

>> I have an idea which is following:
>>
>> gmi@...90000 {
>>          status = "okay";
>>          #address-cells = <2>;
>>          #size-cells = <1>;
>>          ranges = <4 0 0x48000000 0x00040000>;
>>
>>          cs4 {
>>                  compatible = "simple-bus";
>>                  #address-cells = <2>;
>>                  #size-cells = <1>;
>>                  ranges;
>>
>>                  nvidia,snor-cs = <4>;
>>                  nvidia,snor-mux-mode;
>>                  nvidia,snor-adv-inv;
>>
>>                  can@0 {
>>                          compatible = "nxp,sja1000";
>>                          reg = <4 0 0x100>;
>>                          ...
>>                  };
>>
>>
>>                  can@...00 {
>>                          compatible = "nxp,sja1000";
>>                          reg = <4 0x40000 0x100>;
>>                          ...
>>                  };
>>          };
>> };
>>
>> Do not know if above will work at all (not able to test at current
>> location), anyway I will play around with it some more and get back to
>> you.
> 
> Gave above a test run and it works like a charm. Are we happy with that?

Does it not work with #address-cells = <1>? Seems odd to have the cs in
the reg for the device.

Cheers
Jon

-- 
nvpublic