[PATCH 5/5] arm64: dts: mt8173: add timer node

Daniel Kurtz djkurtz at chromium.org
Mon Jul 13 21:27:34 PDT 2015


On Tue, Jul 14, 2015 at 12:26 PM, Daniel Kurtz <djkurtz at chromium.org> wrote:
> On Mon, Jul 13, 2015 at 5:32 PM, Yingjoe Chen <yingjoe.chen at mediatek.com> wrote:
>> From: Daniel Kurtz <djkurtz at chromium.org>
>>
>> Add device node to enable GPT timer. This timer will be
>> used as sched clock source.
>>
>> Signed-off-by: Daniel Kurtz <djkurtz at chromium.org>
>> Signed-off-by: Eddie Huang <eddie.huang at mediatek.com>
>> Signed-off-by: Yingjoe Chen <yingjoe.chen at mediatek.com>
>
> This binding needs documentation.

Whoops.  I just found it at:
Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt

>
>> ---
>>  arch/arm64/boot/dts/mediatek/mt8173.dtsi | 9 +++++++++
>>  1 file changed, 9 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> index 0696f8f..04bdd8f 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>> @@ -219,6 +219,15 @@
>>                         reg = <0 0x10007000 0 0x100>;
>>                 };
>>
>> +               timer: timer at 10008000 {
>> +                       compatible = "mediatek,mt8173-timer",
>> +                                    "mediatek,mt6577-timer";
>> +                       reg = <0 0x10008000 0 0x1000>;
>> +                       interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_LOW>;
>> +                       clocks = <&infracfg CLK_INFRA_CLK_13M>,
>> +                                <&topckgen CLK_TOP_RTC_SEL>;
>
> Why two clocks?  The driver only uses one.
> Please use a clock-names property.
>
> Thanks,
> -Dan
>
>> +               };
>> +
>>                 pwrap: pwrap at 1000d000 {
>>                         compatible = "mediatek,mt8173-pwrap";
>>                         reg = <0 0x1000d000 0 0x1000>;
>> --
>> 1.8.1.1.dirty
>>



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