diff mbox series

arm64: dts: add uDPU i2c bus recovery

Message ID E1jYnlN-0002O5-CM@rmk-PC.armlinux.org.uk (mailing list archive)
State Mainlined
Commit 11b2af36cc874027ce701c5784cb957c99c7de3d
Headers show
Series arm64: dts: add uDPU i2c bus recovery | expand

Commit Message

Russell King (Oracle) May 13, 2020, 9:33 a.m. UTC 
Add support for bus recovery for the Armada 3720 based uDPU.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 .../boot/dts/marvell/armada-3720-uDPU.dts     | 22 +++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
index 7eb6c1796cef..95d46e8d081c 100644
--- 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";