build/patch/kernel/archive/meson64-5.10/0008-arm64-dts-meson-add-i2c2-node-to-ODROID-N2-N2.patch

38 lines
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From d5d2d8b9eb93eab85af12f1844975903a7c5a879 Mon Sep 17 00:00:00 2001
Message-Id: <d5d2d8b9eb93eab85af12f1844975903a7c5a879.1627311993.git.stefan@agner.ch>
In-Reply-To: <c7825747afd8bb975dc918f28e4afe8058a518f3.1627311993.git.stefan@agner.ch>
References: <c7825747afd8bb975dc918f28e4afe8058a518f3.1627311993.git.stefan@agner.ch>
From: Stefan Agner <stefan@agner.ch>
Date: Thu, 29 Apr 2021 21:32:43 +0200
Subject: [PATCH 8/9] 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 cec346178e3d..f1c3356c78a0 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>;
--
2.32.0