RE: [PATCH 1/4] arm64: dts: ls1088a: Fix incorrect I2C clock divider

From: Leo Li
Date: Mon Aug 12 2019 - 17:00:16 EST




> -----Original Message-----
> From: Shawn Guo <shawnguo@xxxxxxxxxx>
> Sent: Monday, August 12, 2019 9:17 AM
> To: Chuanhua Han <chuanhua.han@xxxxxxx>
> Cc: Leo Li <leoyang.li@xxxxxxx>; robh+dt@xxxxxxxxxx;
> mark.rutland@xxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/4] arm64: dts: ls1088a: Fix incorrect I2C clock divider
>
> On Tue, Aug 06, 2019 at 04:42:20PM +0800, Chuanhua Han wrote:
> > Ls1088a platform, the i2c input clock is actually platform pll CLK / 8
> > (this is the hardware connection), other clock divider can not get the
> > correct i2c clock, resulting in the output of SCL pin clock is not
> > accurate.
> >
> > Signed-off-by: Chuanhua Han <chuanhua.han@xxxxxxx>
>
> @Leo, looks good?

Yes.

Acked-by: Li Yang <leoyang.li@xxxxxxx>

>
> Shawn
>
> > ---
> > arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > index 20f5ebd..30b760e 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > @@ -324,7 +324,7 @@
> > #size-cells = <0>;
> > reg = <0x0 0x2000000 0x0 0x10000>;
> > interrupts = <0 34 IRQ_TYPE_LEVEL_HIGH>;
> > - clocks = <&clockgen 4 3>;
> > + clocks = <&clockgen 4 7>;
> > status = "disabled";
> > };
> >
> > @@ -334,7 +334,7 @@
> > #size-cells = <0>;
> > reg = <0x0 0x2010000 0x0 0x10000>;
> > interrupts = <0 34 IRQ_TYPE_LEVEL_HIGH>;
> > - clocks = <&clockgen 4 3>;
> > + clocks = <&clockgen 4 7>;
> > status = "disabled";
> > };
> >
> > @@ -344,7 +344,7 @@
> > #size-cells = <0>;
> > reg = <0x0 0x2020000 0x0 0x10000>;
> > interrupts = <0 35 IRQ_TYPE_LEVEL_HIGH>;
> > - clocks = <&clockgen 4 3>;
> > + clocks = <&clockgen 4 7>;
> > status = "disabled";
> > };
> >
> > @@ -354,7 +354,7 @@
> > #size-cells = <0>;
> > reg = <0x0 0x2030000 0x0 0x10000>;
> > interrupts = <0 35 IRQ_TYPE_LEVEL_HIGH>;
> > - clocks = <&clockgen 4 3>;
> > + clocks = <&clockgen 4 7>;
> > status = "disabled";
> > };
> >
> > --
> > 2.9.5
> >