diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch b/target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch new file mode 100644 index 0000000000..2922d49f44 --- /dev/null +++ b/target/linux/mvebu/patches-5.4/011-arm64-dts-uDPU-remove-i2c-fast-mode.patch @@ -0,0 +1,31 @@ +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"; |