Re: [PATCH v2 3/5] arm64: dts: bindings: document imem clock

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Quoting Sylwester Nawrocki (2018-12-03 02:44:17)
> Hi,
> 
> On 11/30/18 00:42, Stephen Boyd wrote:
> > Quoting Kamil Konieczny (2018-11-29 07:51:32)
> >> Document imem clock bindings for SSS (Security SubSystem) and SlimSSS IPs.
> >>
> >> Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx>
> >> ---
> > 
> > Fix the subject of this patch please. It's not arm64: or dts:
> > 
> >>  .../bindings/clock/exynos5433-clock.txt       | 23 +++++++++++++++++++
> >>  1 file changed, 23 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
> >> index 50d5897c9849..4e4352bf5a0b 100644
> >> --- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
> >> +++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt
> >> @@ -264,6 +272,21 @@ Example 2: Examples of clock controller nodes are listed below.
> >>                        <&cmu_top CLK_SCLK_USBDRD30_FSYS>;
> >>         };
> >>  
> >> +       cmu_imem: clock-controller@11060000 {
> >> +               compatible = "samsung,exynos5433-cmu-imem";
> >> +               reg = <0x11060000 0x1000>;
> >> +               #clock-cells = <1>;
> >> +
> >> +               clock-names = "oscclk",
> > 
> > How about just osc? clk seems redundant.
> 
> Can we keep this "oscclk" name? This patch just adds missing definition
> of one of multiple CMUs in the SoC and for the all other CMUs "oscclk"
> name has been adopted for the OSCCLK root oscillator clock. The name is 
> exactly as on the diagrams in the datasheet, just in lower case.
> To avoid confusion I would prefer to stay with same name as used for the
> other CMUs.

Ok.

> 
> >> +                       "aclk_imem_sssx_266",
> >> +                       "aclk_imem_266",
> >> +                       "aclk_imem_200";
> > 
> > And what is 'aclk'? Also redundant?
> 
> Again the names used here are exactly as in the SoC datasheet. I know we 
> could use shorted names for these consumer clocks however at this point 
> I would prefer to use same convention as for the other CMUs.
> 
> ACLK means AXI bus clock, the IMEM CMU is basically just gates that pass
> the clocks further to the SoC peripheral blocks.

Sure! Was just hoping to avoid 'clk' everywhere.





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