* [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points
@ 2019-10-28 14:05 Fabio Estevam
2019-10-28 14:05 ` [PATCH 2/2] ARM: dts: imx53: " Fabio Estevam
2019-10-28 14:29 ` [PATCH 1/2] ARM: dts: imx51: " Shawn Guo
0 siblings, 2 replies; 4+ messages in thread
From: Fabio Estevam @ 2019-10-28 14:05 UTC (permalink / raw)
To: shawnguo; +Cc: linux-arm-kernel, cphealy, Fabio Estevam, linux-imx, kernel
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(-)
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
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/2] ARM: dts: imx53: Adjust CPU operating points
2019-10-28 14:05 [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points Fabio Estevam
@ 2019-10-28 14:05 ` Fabio Estevam
2019-10-28 14:29 ` [PATCH 1/2] ARM: dts: imx51: " Shawn Guo
1 sibling, 0 replies; 4+ messages in thread
From: Fabio Estevam @ 2019-10-28 14:05 UTC (permalink / raw)
To: shawnguo; +Cc: linux-arm-kernel, cphealy, Fabio Estevam, linux-imx, kernel
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/mx53_wp.c?h=imx_2.6.35_caf#n120
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
arch/arm/boot/dts/imx53.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index ed341cfd9d09..eb2ec28a8d1d 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -58,10 +58,10 @@
voltage-tolerance = <5>;
operating-points = <
/* kHz */
- 166666 850000
- 400000 900000
- 800000 1050000
- 1000000 1200000
+ 160000 950000
+ 400000 950000
+ 800000 1100000
+ 1000000 1250000
1200000 1300000
>;
};
--
2.17.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points
2019-10-28 14:05 [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points Fabio Estevam
2019-10-28 14:05 ` [PATCH 2/2] ARM: dts: imx53: " Fabio Estevam
@ 2019-10-28 14:29 ` Shawn Guo
2019-10-29 19:02 ` Fabio Estevam
1 sibling, 1 reply; 4+ messages in thread
From: Shawn Guo @ 2019-10-28 14:29 UTC (permalink / raw)
To: Fabio Estevam; +Cc: linux-arm-kernel, cphealy, linux-imx, kernel
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
>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points
2019-10-28 14:29 ` [PATCH 1/2] ARM: dts: imx51: " Shawn Guo
@ 2019-10-29 19:02 ` Fabio Estevam
0 siblings, 0 replies; 4+ messages in thread
From: Fabio Estevam @ 2019-10-29 19:02 UTC (permalink / raw)
To: Shawn Guo
Cc: moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
Chris Healy, NXP Linux Team, Sascha Hauer
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.
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-10-29 19:02 UTC | newest]
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2019-10-28 14:05 [PATCH 1/2] ARM: dts: imx51: Adjust CPU operating points Fabio Estevam
2019-10-28 14:05 ` [PATCH 2/2] ARM: dts: imx53: " Fabio Estevam
2019-10-28 14:29 ` [PATCH 1/2] ARM: dts: imx51: " Shawn Guo
2019-10-29 19:02 ` Fabio Estevam
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