openwrt/target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch

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From fe3ec631a77ded87817f449691710a436a80caa7 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Sat, 16 Nov 2019 11:07:01 +0000
Subject: [PATCH] arm64: dts: uDPU: remove i2c-fast-mode
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>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++
1 file changed, 2 insertions(+)
--- 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";