diff options
Diffstat (limited to 'target/linux/mvebu/patches-5.4/023-arm64-dts-add-uDPU-i2c-bus-recovery.patch')
| -rw-r--r-- | target/linux/mvebu/patches-5.4/023-arm64-dts-add-uDPU-i2c-bus-recovery.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-5.4/023-arm64-dts-add-uDPU-i2c-bus-recovery.patch b/target/linux/mvebu/patches-5.4/023-arm64-dts-add-uDPU-i2c-bus-recovery.patch new file mode 100644 index 0000000000..818fce85a8 --- /dev/null +++ b/target/linux/mvebu/patches-5.4/023-arm64-dts-add-uDPU-i2c-bus-recovery.patch @@ -0,0 +1,53 @@ +From 11b2af36cc874027ce701c5784cb957c99c7de3d Mon Sep 17 00:00:00 2001 +From: Russell King <rmk+kernel@armlinux.org.uk> +Date: Wed, 6 May 2020 10:40:37 +0100 +Subject: [PATCH] arm64: dts: add uDPU i2c bus recovery + +Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> +--- + .../boot/dts/marvell/armada-3720-uDPU.dts | 22 +++++++++++++++++-- + 1 file changed, 20 insertions(+), 2 deletions(-) + +--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts ++++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts +@@ -117,18 +117,36 @@ + }; + }; + ++&pinctrl_nb { ++ i2c1_recovery_pins: i2c1-recovery-pins { ++ groups = "i2c1"; ++ function = "gpio"; ++ }; ++ ++ i2c2_recovery_pins: i2c2-recovery-pins { ++ groups = "i2c2"; ++ function = "gpio"; ++ }; ++}; ++ + &i2c0 { + status = "okay"; +- pinctrl-names = "default"; ++ pinctrl-names = "default", "recovery"; + pinctrl-0 = <&i2c1_pins>; ++ pinctrl-1 = <&i2c1_recovery_pins>; + /delete-property/mrvl,i2c-fast-mode; ++ scl-gpios = <&gpionb 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; ++ sda-gpios = <&gpionb 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + }; + + &i2c1 { + status = "okay"; +- pinctrl-names = "default"; ++ pinctrl-names = "default", "recovery"; + pinctrl-0 = <&i2c2_pins>; ++ pinctrl-1 = <&i2c2_recovery_pins>; + /delete-property/mrvl,i2c-fast-mode; ++ scl-gpios = <&gpionb 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; ++ sda-gpios = <&gpionb 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + + lm75@48 { + status = "okay"; |