diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.19/545-arm64-dts-uDPU-remove-i2c-fast-mode.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.19/545-arm64-dts-uDPU-remove-i2c-fast-mode.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.19/545-arm64-dts-uDPU-remove-i2c-fast-mode.patch b/target/linux/mvebu/patches-4.19/545-arm64-dts-uDPU-remove-i2c-fast-mode.patch new file mode 100644 index 0000000000..b984eb4ba1 --- /dev/null +++ b/target/linux/mvebu/patches-4.19/545-arm64-dts-uDPU-remove-i2c-fast-mode.patch @@ -0,0 +1,30 @@ +From 662eb8fc87f982e63ccb9a9df25c7aeabf9fe341 Mon Sep 17 00:00:00 2001 +From: Russell King <rmk+kernel@armlinux.org.uk> +Date: Thu, 14 Nov 2019 00:23:35 +0000 +Subject: [PATCH 658/660] 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> +--- + 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"; |