From: Russell King <rmk+kernel@armlinux.org.uk>
To: linux-i2c@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>,
devicetree@vger.kernel.org,
Gregory Clement <gregory.clement@bootlin.com>,
Jason Cooper <jason@lakedaemon.net>,
linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Vladimir Vid <vladimir.vid@sartura.hr>
Subject: [PATCH 2/2] arm64: dts: add uDPU i2c bus recovery
Date: Wed, 06 May 2020 10:40:37 +0100 [thread overview]
Message-ID: <E1jWGXd-0000Z7-1n@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <20200506094001.GP1551@shell.armlinux.org.uk>
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
next prev parent reply other threads:[~2020-05-06 9:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 9:40 [PATCH 0/2] Add bus recovery to i2c-pxa Russell King - ARM Linux admin
2020-05-06 9:40 ` [PATCH 1/2] i2c: pxa: implement generic i2c bus recovery Russell King
2020-05-06 14:00 ` Andrew Lunn
2020-05-13 9:29 ` Russell King - ARM Linux admin
2020-05-06 9:40 ` Russell King [this message]
2020-05-06 13:48 ` [PATCH 2/2] arm64: dts: add uDPU " Andrew Lunn
2020-05-17 16:10 ` Gregory CLEMENT
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