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Enable UART and I2C on J2 header (#1349)

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Enable UART as well as I2C on the J2 header. Also backport the upstream
version of the I2C3/RTC patch.
This commit is contained in:
Stefan Agner
2021-04-29 23:04:34 +02:00
committed by GitHub
parent 367fc1561b
commit be2cfd7622
9 changed files with 267 additions and 68 deletions
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44
buildroot-external/board/hardkernel/patches/linux/0007-arm64-dts-meson-add-uart_A-node.patch Normal file
View File

@@ -0,0 +1,44 @@
From b10ae8fd3bef195eda4a30bc5f3995ca13b6cffd Mon Sep 17 00:00:00 2001
Message-Id: <b10ae8fd3bef195eda4a30bc5f3995ca13b6cffd.1619725559.git.stefan@agner.ch>
In-Reply-To: <cdfb8eea4103e537898073dc3f7bf8f75cec5efb.1619725559.git.stefan@agner.ch>
References: <cdfb8eea4103e537898073dc3f7bf8f75cec5efb.1619725559.git.stefan@agner.ch>
From: Hyeonki Hong <hhk7734@gmail.com>
Date: Fri, 27 Mar 2020 17:05:22 +0900
Subject: [PATCH 7/8] arm64: dts: meson: add uart_A node
The UART_A is available through J3 pin 8/10 and documented to be
available as UART by default.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 7 +++++++
1 file changed, 7 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 dd345c6aa4b5..cec346178e3d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -12,6 +12,7 @@
/ {
aliases {
serial0 = &uart_AO;
+ serial1 = &uart_A;
ethernet0 = &ethmac;
rtc0 = &rtc;
rtc1 = &vrtc;
@@ -728,6 +729,12 @@ &toddr_c {
status = "okay";
};
+&uart_A {
+ status = "okay";
+ pinctrl-0 = <&uart_a_pins>;
+ pinctrl-names = "default";
+};
+
&uart_AO {
status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
--
2.31.1