summaryrefslogtreecommitdiffstats
path: root/target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch
blob: 2922d49f44940e0b6d7ad4e97f64d56cb3d7c9ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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";