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| author | Russell King <linux@armlinux.org.uk> | 2020-05-21 09:57:32 +0100 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-21 12:55:31 +0200 |
| commit | 6593ea23e5173861e44f5f6a6fe3e7e6c3978f17 (patch) | |
| tree | b75a97550814547913455f45383165e6d574eb3b /target/linux/mvebu/patches-5.4 | |
| parent | 714199ec3461b2b5bac9796d4f5ee79f56d2eb00 (diff) | |
| download | upstream-6593ea23e5173861e44f5f6a6fe3e7e6c3978f17.tar.gz upstream-6593ea23e5173861e44f5f6a6fe3e7e6c3978f17.tar.bz2 upstream-6593ea23e5173861e44f5f6a6fe3e7e6c3978f17.zip | |
kernel: backport the I2C bus recovery for uDPU
Backport the I2C bus recovery DT configuration for the uDPU that has
been queued for 5.8.
Signed-off-by: Russell King <linux@armlinux.org.uk>
Diffstat (limited to 'target/linux/mvebu/patches-5.4')
| -rw-r--r-- | target/linux/mvebu/patches-5.4/551-v5.8-arm64-dts-add-uDPU-i2c-bus-recovery.patch | 60 |
1 files changed, 60 insertions, 0 deletions
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 0000000000..b1c508abab --- /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 <rmk+kernel@armlinux.org.uk> +Bcc: linux@mail.armlinux.org.uk +Cc: Vladimir Vid <vladimir.vid@sartura.hr>,Jason Cooper <jason@lakedaemon.net>,Andrew Lunn <andrew@lunn.ch>,Gregory Clement <gregory.clement@bootlin.com>,Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,Rob Herring <robh+dt@kernel.org>,Mark Rutland <mark.rutland@arm.com>,linux-arm-kernel@lists.infradead.org,devicetree@vger.kernel.org +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 <rmk+kernel@armlinux.org.uk> +--- + .../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 + |