| 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"; |