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operating-system/buildroot-external/board/hardkernel/patches/linux/5.9.16/0011-arm64-dts-meson-add-i2c2-node-to-ODROID-N2-N2.patch

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From 400fce2e1eaab6d04f542eaa0fe3b53fb9d79d82 Mon Sep 17 00:00:00 2001
Message-Id: <400fce2e1eaab6d04f542eaa0fe3b53fb9d79d82.1622055679.git.stefan@agner.ch>
In-Reply-To: <0955f7e64f302c5c331b90fd07fc48dfb677eab5.1622055679.git.stefan@agner.ch>
References: <0955f7e64f302c5c331b90fd07fc48dfb677eab5.1622055679.git.stefan@agner.ch>
From: Stefan Agner <stefan@agner.ch>
Date: Thu, 29 Apr 2021 21:32:43 +0200
Subject: [PATCH 11/11] arm64: dts: meson: add i2c2 node to ODROID N2/N2+
The J2 connectors pinout documents "I2C.SDA0/SCL0" on pin 3 and 5, which
are connected to GPIOX_17/18. This GPIO allow to mux I2C to the second
I2C instance. Enable i2c2 and use the appropriate pinmux.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 38a996ed3e19..45a8998c4a3a 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -586,6 +586,12 @@ &ir {
linux,rc-map-name = "rc-odroid";
};
+&i2c2 {
+ status = "okay";
+ pinctrl-0 = <&i2c2_sda_x_pins>, <&i2c2_sck_x_pins>;
+ pinctrl-names = "default";
+};
+
&i2c3 {
status = "okay";
pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
--
2.31.1