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Re: [PATCH v2 01/14] devicetree: bindings: add bindings for ahci-da850

From Sekhar Nori <nsekhar@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 01/14] devicetree: bindings: add bindings for ahci-da850
Date 2017-01-18 10:10 +0100
Message-ID <t0UpJ-26m-23@gated-at.bofh.it> (permalink)
References <t0B3H-72K-5@gated-at.bofh.it> <t0B3I-72K-25@gated-at.bofh.it> <t0GPM-25I-31@gated-at.bofh.it>
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On Wednesday 18 January 2017 12:05 AM, David Lechner wrote:
> On 01/17/2017 06:26 AM, Bartosz Golaszewski wrote:
>> Add DT bindings for the TI DA850 AHCI SATA controller.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>>  Documentation/devicetree/bindings/ata/ahci-da850.txt | 18
>> ++++++++++++++++++
>>  1 file changed, 18 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/ata/ahci-da850.txt
>>
>> diff --git a/Documentation/devicetree/bindings/ata/ahci-da850.txt
>> b/Documentation/devicetree/bindings/ata/ahci-da850.txt
>> new file mode 100644
>> index 0000000..e7111b4
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/ata/ahci-da850.txt
>> @@ -0,0 +1,18 @@
>> +Device tree binding for the TI DA850 AHCI SATA Controller
>> +---------------------------------------------------------
>> +
>> +Required properties:
>> +  - compatible: must be "ti,da850-ahci"
>> +  - reg: physical base addresses and sizes of the controller's
>> register areas
>> +  - interrupts: interrupt specifier (refer to the interrupt binding)
>> +
>> +Optional properties:
>> +  - clocks: clock specifier (refer to the common clock binding)
> 
> Won't you also need a clock-names property since there are two clocks?
> 
>> +
>> +Example:
>> +
>> +    sata: ahci@218000 {
>> +        compatible = "ti,da850-ahci";
>> +        reg = <0x218000 0x2000>, <0x22c018 0x4>;
>> +        interrupts = <67>;
>> +    };
>>
> 
> It would be nice to have clocks and clock-names in the example as well.

Well, we don't use the common clock binding today. Is it really
necessary to add them now. Thats basically going to remain completely
untested.

I would drop the mention of clocks specification as an optional property
too.

Thanks,
Sekhar

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Thread

[PATCH v2 00/14] ARM: da850-lcdk: add SATA support Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
  [PATCH v2 01/14] devicetree: bindings: add bindings for ahci-da850 Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
    Re: [PATCH v2 01/14] devicetree: bindings: add bindings for  ahci-da850 David Lechner <david@lechnology.com> - 2017-01-17 19:40 +0100
      Re: [PATCH v2 01/14] devicetree: bindings: add bindings for  ahci-da850 Sekhar Nori <nsekhar@ti.com> - 2017-01-18 10:10 +0100
  [PATCH v2 03/14] ARM: davinci: add a clock lookup entry for the SATA clock Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
  [PATCH v2 06/14] ARM: davinci: da850: model the SATA refclk Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
    Re: [PATCH v2 06/14] ARM: davinci: da850: model the SATA refclk David Lechner <david@lechnology.com> - 2017-01-17 21:40 +0100
    Re: [PATCH v2 06/14] ARM: davinci: da850: model the SATA refclk Sekhar Nori <nsekhar@ti.com> - 2017-01-18 10:40 +0100
  [PATCH v2 05/14] ARM: davinci: da850: add con_id for the SATA clock Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
  [PATCH v2 02/14] ARM: davinci_all_defconfig: enable SATA modules Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
  [PATCH v2 07/14] sata: ahci-da850: add device tree match table Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100
  [PATCH v2 09/14] sata: ahci: export ahci_do_hardreset() locally Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-01-17 13:30 +0100

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