openwrt/target/linux/brcm2708/patches-4.19/950-0142-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

51 lines
1.5 KiB
Diff

From e40969b6e1a0818b016646c449d3fbc7e5c8b608 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Mon, 8 Oct 2018 12:20:36 +0100
Subject: [PATCH 142/703] BCM2708_DT: Use upstreamed GPIO expander driver
The upstreamed driver for the GPIO expander has a different compatible
string. Change the relevant Device Tree files to match.
See: https://github.com/raspberrypi/linux/issues/2704
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 2 +-
arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 2 +-
arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
@@ -84,7 +84,7 @@
&soc {
expgpio: expgpio {
- compatible = "brcm,bcm2835-expgpio";
+ compatible = "raspberrypi,firmware-gpio";
gpio-controller;
#gpio-cells = <2>;
firmware = <&firmware>;
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -92,7 +92,7 @@
};
expgpio: expgpio {
- compatible = "brcm,bcm2835-expgpio";
+ compatible = "raspberrypi,firmware-gpio";
gpio-controller;
#gpio-cells = <2>;
firmware = <&firmware>;
--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
@@ -52,7 +52,7 @@
};
expgpio: expgpio {
- compatible = "brcm,bcm2835-expgpio";
+ compatible = "raspberrypi,firmware-gpio";
gpio-controller;
#gpio-cells = <2>;
firmware = <&firmware>;