linux-kernel - Re: [RESEND PATCHv4 01/14] dt-bindings: remoteproc: Add OMAP remoteproc bindings

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Date:   Thu, 16 Jan 2020 09:51:18 +0200
From:   Tero Kristo <t-kristo@...com>
To:     Suman Anna <s-anna@...com>, <bjorn.andersson@...aro.org>,
        <ohad@...ery.com>, <linux-remoteproc@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <mathieu.poirier@...aro.org>,
        <linux-omap@...r.kernel.org>, Rob Herring <robh@...nel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [RESEND PATCHv4 01/14] dt-bindings: remoteproc: Add OMAP
 remoteproc bindings

On 08/01/2020 18:49, Suman Anna wrote:
> Hi Tero,
> 
> On 1/2/20 7:25 AM, Tero Kristo wrote:
>> From: Suman Anna <s-anna@...com>
>>
>> Add the device tree bindings document for the IPU and DSP
>> remote processor devices on OMAP4+ SoCs.
>>
>> Cc: Rob Herring <robh@...nel.org>
>> Cc: devicetree@...r.kernel.org
>> Signed-off-by: Suman Anna <s-anna@...com>
>> [t-kristo@...com: converted to schema]
>> Signed-off-by: Tero Kristo <t-kristo@...com>
>> ---
>> v4: added ti,bootreg-shift and ti,autosuspend-delay properties
> 
> You missed out on my v3 comment on the firmware-name on Example 2. Can
> you please address it when you post the next version?

I don't think I missed it, but you never told what is the actual name to 
use there. Firmware name generally does not matter, as user can provide 
whatever he wants via DT now.

-Tero

> 
>>
>>   .../remoteproc/ti,omap-remoteproc.yaml        | 329 ++++++++++++++++++
>>   1 file changed, 329 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,omap-remoteproc.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/remoteproc/ti,omap-remoteproc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,omap-remoteproc.yaml
>> new file mode 100644
>> index 000000000000..f53d58efaae3
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/remoteproc/ti,omap-remoteproc.yaml
> 
> [snip]
> 
>> +  - |+
>> +
>> +    //Example 2: OMAP5 IPU
>> +
>> +    /* IPU Reserved Memory node */
>> +    #include <dt-bindings/clock/omap5.h>
>> +    reserved-memory {
>> +        #address-cells = <2>;
>> +        #size-cells = <2>;
>> +
>> +        ipu_memory_region: ipu-memory@...00000 {
>> +            compatible = "shared-dma-pool";
>> +            reg = <0 0x95800000 0 0x3800000>;
>> +            reusable;
>> +        };
>> +    };
>> +
>> +    /* IPU node */
>> +    ocp {
>> +        #address-cells = <1>;
>> +        #size-cells = <1>;
>> +
>> +        ipu: ipu@...20000 {
>> +            compatible = "ti,omap5-ipu";
>> +            reg = <0x55020000 0x10000>;
>> +            reg-names = "l2ram";
>> +            iommus = <&mmu_ipu>;
>> +            mboxes = <&mailbox &mbox_ipu>;
>> +            memory-region = <&ipu_memory_region>;
>> +            ti,timers = <&timer3>, <&timer4>;
>> +            ti,watchdog-timers = <&timer9>, <&timer11>;
>> +            clocks = <&ipu_clkctrl OMAP5_MMU_IPU_CLKCTRL 0>;
>> +            resets = <&prm_core 2>;
>> +            firmware-name = "omap5-ipu-fw.xem";
>> +        };
>> +    };
> 
> regards
> Suman
> 

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