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56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
From: Russell King <rmk+kernel@armlinux.org.uk>
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Bcc: linux@mail.armlinux.org.uk
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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
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Subject: [PATCH] arm64: dts: add uDPU i2c bus recovery
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MIME-Version: 1.0
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Content-Disposition: inline
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Content-Transfer-Encoding: 8bit
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Content-Type: text/plain; charset="utf-8"
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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.../boot/dts/marvell/armada-3720-uDPU.dts | 22 +++++++++++++++++--
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1 file changed, 20 insertions(+), 2 deletions(-)
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--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
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+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
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@@ -117,18 +117,36 @@
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};
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};
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+&pinctrl_nb {
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+ i2c1_recovery_pins: i2c1-recovery-pins {
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+ groups = "i2c1";
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+ function = "gpio";
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+ };
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+
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+ i2c2_recovery_pins: i2c2-recovery-pins {
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+ groups = "i2c2";
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+ function = "gpio";
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+ };
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+};
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+
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&i2c0 {
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status = "okay";
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- pinctrl-names = "default";
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+ pinctrl-names = "default", "recovery";
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pinctrl-0 = <&i2c1_pins>;
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+ pinctrl-1 = <&i2c1_recovery_pins>;
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/delete-property/mrvl,i2c-fast-mode;
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+ scl-gpios = <&gpionb 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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+ sda-gpios = <&gpionb 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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};
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&i2c1 {
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status = "okay";
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- pinctrl-names = "default";
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+ pinctrl-names = "default", "recovery";
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pinctrl-0 = <&i2c2_pins>;
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+ pinctrl-1 = <&i2c2_recovery_pins>;
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/delete-property/mrvl,i2c-fast-mode;
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+ scl-gpios = <&gpionb 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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+ sda-gpios = <&gpionb 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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lm75@48 {
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status = "okay";
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