* [PATCH] ARM: dts: imx6qdl-kontron-samx6i: increase i2c-frequency
@ 2020-11-26 19:22 Marco Felsch
2020-12-01 1:19 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Marco Felsch @ 2020-11-26 19:22 UTC (permalink / raw)
To: robh+dt, shawnguo, festevam, plaes; +Cc: devicetree, linux-arm-kernel, kernel
Set it to max. allowed 375kHz for faster transfers. The limit is given
by the erratum [1].
[1] https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
index 265f5f3dbff6..b6a0b8809e74 100644
--- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
@@ -390,21 +390,21 @@
/* I2C_GP */
&i2c1 {
- clock-frequency = <100000>;
+ clock-frequency = <375000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
};
/* HDMI_CTRL */
&i2c2 {
- clock-frequency = <100000>;
+ clock-frequency = <375000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
};
/* I2C_PM */
&i2c3 {
- clock-frequency = <100000>;
+ clock-frequency = <375000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
--
2.20.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: imx6qdl-kontron-samx6i: increase i2c-frequency
2020-11-26 19:22 [PATCH] ARM: dts: imx6qdl-kontron-samx6i: increase i2c-frequency Marco Felsch
@ 2020-12-01 1:19 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2020-12-01 1:19 UTC (permalink / raw)
To: Marco Felsch
Cc: devicetree, plaes, robh+dt, kernel, festevam, linux-arm-kernel
On Thu, Nov 26, 2020 at 08:22:52PM +0100, Marco Felsch wrote:
> Set it to max. allowed 375kHz for faster transfers. The limit is given
> by the erratum [1].
>
> [1] https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf
>
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Applied, thanks.
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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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2020-12-01 1:19 ` Shawn Guo
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