Re: [PATCH v3 3/3] ARM: dts: dra7: Add scm_conf1 node and remove redundant nodes

From: Roger Quadros
Date: Mon Jul 27 2015 - 05:41:12 EST


On 21/07/15 08:11, Kishon Vijay Abraham I wrote:
> Hi,
>
> On Monday 20 July 2015 05:34 PM, Tero Kristo wrote:
>> On 07/17/2015 04:47 PM, Roger Quadros wrote:
>>> scm_conf1 maps the control register address space after the
>>> padconf till the end.
>>>
>>> Fix the scm_conf and pmx_core resource lengths. We need to add
>>> 4 bytes to include the last 32-bit register space.
>>>
>>> Remove the redundant dra7_ctrl_core and dra7_ctrl_general nodes.
>>> They are not used by anyone and no longer needed as they are
>>> covered by scm_conf and scm_conf1.
>>
>> Looks like you are doing three things in this patch, maybe split it up
>> as such?
>>
>>>
>>> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
>>> ---
>>> arch/arm/boot/dts/dra7.dtsi | 19 ++++++++-----------
>>> 1 file changed, 8 insertions(+), 11 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
>>> index 4a0718c..d07c34c 100644
>>> --- a/arch/arm/boot/dts/dra7.dtsi
>>> +++ b/arch/arm/boot/dts/dra7.dtsi
>>> @@ -141,7 +141,7 @@
>>> dra7_pmx_core: pinmux@1400 {
>>> compatible = "ti,dra7-padconf",
>>> "pinctrl-single";
>>> - reg = <0x1400 0x0464>;
>>> + reg = <0x1400 0x0468>;
>>> #address-cells = <1>;
>>> #size-cells = <0>;
>>> #interrupt-cells = <1>;
>>> @@ -149,6 +149,13 @@
>>> pinctrl-single,register-width = <32>;
>>> pinctrl-single,function-mask = <0x3fffffff>;
>>> };
>>> +
>>> + scm_conf1: scm_conf@1 {
>>
>> Should be ... scm_conf@1868?
>>
>> Are there any users for this area anyway? I don't think we should map
>> this area just for fun of it. Mostly it looks like this contains efuse
>> values for OPPs, which should be mapped from the OPP layer, not as a
>> generic syscon.
>
> The last few registers are used for PCIe PHY and I'll be needing it for the
> next version of my patch series.

OK noted. Will exclude the PCIe registers from this region.

cheers,
-roger
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