openwrt/target/linux/bcm27xx/patches-5.15/950-0876-ARM-dts-Add-i2c0mux-node-to-Model-B-rev-1.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

29 lines
797 B
Diff

From 3b6b57200f089c75b7434d61f9037f622b99c115 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Tue, 19 Apr 2022 19:57:29 +0100
Subject: [PATCH] ARM: dts: Add i2c0mux node to Model B rev 1
The lack of an i2c0mux label prevents the i2c-rtc overlay from
being applied.
See: https://github.com/raspberrypi/linux/issues/4999
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
+++ b/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
@@ -154,6 +154,10 @@ i2c_csi_dsi: &i2c1 {
i2c0 = &i2c0;
};
+ /* Provide an i2c0mux label to avoid undefined symbols in overlays */
+ i2c0mux: i2c0mux {
+ };
+
__overrides__ {
i2c0 = <&i2c0>, "status";
};