* [PATCH] ARM: dts: am437x-gp: switch i2c0 to 100KHz
@ 2014-09-03 18:46 Nishanth Menon
[not found] ` <1409769981-17669-1-git-send-email-nm-l0cyMroinI0@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Nishanth Menon @ 2014-09-03 18:46 UTC (permalink / raw)
To: Benoît Cousson, Tony Lindgren
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA, Nishanth Menon
On the GP EVM, the ambient light sensor is limited to 100KHz on the
I2C bus.
So use 100kHz for I2C on the GP EVM due to this limitation on the
ambient light sensor.
Reported-by: Aparna Balasubramanian <aparnab-l0cyMroinI0@public.gmane.org>
Signed-off-by: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
---
based on v3.17-rc1
arch/arm/boot/dts/am437x-gp-evm.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 646a6ea..9559c19 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -260,7 +260,7 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
- clock-frequency = <400000>;
+ clock-frequency = <100000>;
tps65218: tps65218@24 {
reg = <0x24>;
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: am437x-gp: switch i2c0 to 100KHz
[not found] ` <1409769981-17669-1-git-send-email-nm-l0cyMroinI0@public.gmane.org>
@ 2014-09-03 21:47 ` Tony Lindgren
0 siblings, 0 replies; 2+ messages in thread
From: Tony Lindgren @ 2014-09-03 21:47 UTC (permalink / raw)
To: Nishanth Menon
Cc: Benoît Cousson, linux-omap-u79uwXL29TY76Z2rM5mHXA,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
* Nishanth Menon <nm-l0cyMroinI0@public.gmane.org> [140903 11:46]:
> On the GP EVM, the ambient light sensor is limited to 100KHz on the
> I2C bus.
>
> So use 100kHz for I2C on the GP EVM due to this limitation on the
> ambient light sensor.
>
> Reported-by: Aparna Balasubramanian <aparnab-l0cyMroinI0@public.gmane.org>
> Signed-off-by: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>
Thanks applying into omap-for-v3.7/fixes-v2.
Tony
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2014-09-03 21:47 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-09-03 18:46 [PATCH] ARM: dts: am437x-gp: switch i2c0 to 100KHz Nishanth Menon
[not found] ` <1409769981-17669-1-git-send-email-nm-l0cyMroinI0@public.gmane.org>
2014-09-03 21:47 ` Tony Lindgren
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).