From: Russell King <rmk+kernel@armlinux.org.uk>
To: Gregory Clement <gregory.clement@bootlin.com>,
Vladimir Vid <vladimir.vid@sartura.hr>
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: [PATCH 2/2] arm64: dts: uDPU: remove i2c-fast-mode
Date: Sat, 16 Nov 2019 11:07:01 +0000 [thread overview]
Message-ID: <E1iVvuv-0002sk-Sw@rmk-PC.armlinux.org.uk> (raw)
The I2C bus violates the timing specifications when run in fast mode
on the uDPU, so switch to 100kHz mode.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
index e31813a4f972..2ac1d9ae1e25 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
@@ -119,12 +119,14 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
+ /delete-property/mrvl,i2c-fast-mode;
};
&i2c1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins>;
+ /delete-property/mrvl,i2c-fast-mode;
lm75@48 {
status = "okay";
--
2.20.1
next reply other threads:[~2019-11-16 11:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-16 11:07 Russell King [this message]
2019-12-09 14:38 ` [PATCH 2/2] arm64: dts: uDPU: remove i2c-fast-mode Gregory CLEMENT
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