Backport the I2C bus recovery DT configuration for the uDPU that has been queued for 5.8.
Signed-off-by: Russell King <[email protected]> --- ...-arm64-dts-add-uDPU-i2c-bus-recovery.patch | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 target/linux/mvebu/patches-5.4/551-v5.8-arm64-dts-add-uDPU-i2c-bus-recovery.patch diff --git a/target/linux/mvebu/patches-5.4/551-v5.8-arm64-dts-add-uDPU-i2c-bus-recovery.patch b/target/linux/mvebu/patches-5.4/551-v5.8-arm64-dts-add-uDPU-i2c-bus-recovery.patch new file mode 100644 index 000000000000..b1c508abab4c --- /dev/null +++ b/target/linux/mvebu/patches-5.4/551-v5.8-arm64-dts-add-uDPU-i2c-bus-recovery.patch @@ -0,0 +1,60 @@ +From: Russell King <[email protected]> +Bcc: [email protected] +Cc: Vladimir Vid <[email protected]>,Jason Cooper <[email protected]>,Andrew Lunn <[email protected]>,Gregory Clement <[email protected]>,Sebastian Hesselbarth <[email protected]>,Rob Herring <[email protected]>,Mark Rutland <[email protected]>,[email protected],[email protected] +Subject: [PATCH] arm64: dts: add uDPU i2c bus recovery +MIME-Version: 1.0 +Content-Disposition: inline +Content-Transfer-Encoding: 8bit +Content-Type: text/plain; charset="utf-8" + +Signed-off-by: Russell King <[email protected]> +--- + .../boot/dts/marvell/armada-3720-uDPU.dts | 22 +++++++++++++++++-- + 1 file changed, 20 insertions(+), 2 deletions(-) + +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"; +-- +2.20.1 + -- 2.20.1 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
