| Message ID | 20191028140545.10218-1-festevam@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] ARM: dts: imx51: Adjust CPU operating points | expand |
On Mon, Oct 28, 2019 at 11:05:44AM -0300, Fabio Estevam wrote: > Adjust the CPU operating points as per the characterized settings from > the vendor BSP at: > > https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm/mach-mx5/mx51_babbage.c?h=imx_2.6.35_caf#n1343 Does it match what datasheet says? Shawn > > Signed-off-by: Fabio Estevam <festevam@gmail.com> > --- > arch/arm/boot/dts/imx51.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi > index 0a4b9a5d9a9c..eec423785849 100644 > --- a/arch/arm/boot/dts/imx51.dtsi > +++ b/arch/arm/boot/dts/imx51.dtsi > @@ -83,8 +83,8 @@ > clocks = <&clks IMX5_CLK_CPU_PODF>; > clock-names = "cpu"; > operating-points = < > - 166000 1000000 > - 600000 1050000 > + 166250 850000 > + 400000 1000000 > 800000 1100000 > >; > voltage-tolerance = <5>; > -- > 2.17.1 >
Hi Shawn, On Mon, Oct 28, 2019 at 11:29 AM Shawn Guo <shawnguo@kernel.org> wrote: > > On Mon, Oct 28, 2019 at 11:05:44AM -0300, Fabio Estevam wrote: > > Adjust the CPU operating points as per the characterized settings from > > the vendor BSP at: > > > > https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm/mach-mx5/mx51_babbage.c?h=imx_2.6.35_caf#n1343 > > Does it match what datasheet says? It matches all operational points from the i.MX53 consumer datasheet. On i.MX51 I noticed one discrepancy, so I will update it in v2.
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi index 0a4b9a5d9a9c..eec423785849 100644 --- a/arch/arm/boot/dts/imx51.dtsi +++ b/arch/arm/boot/dts/imx51.dtsi @@ -83,8 +83,8 @@ clocks = <&clks IMX5_CLK_CPU_PODF>; clock-names = "cpu"; operating-points = < - 166000 1000000 - 600000 1050000 + 166250 850000 + 400000 1000000 800000 1100000 >; voltage-tolerance = <5>;
Adjust the CPU operating points as per the characterized settings from the vendor BSP at: https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm/mach-mx5/mx51_babbage.c?h=imx_2.6.35_caf#n1343 Signed-off-by: Fabio Estevam <festevam@gmail.com> --- arch/arm/boot/dts/imx51.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)