openwrt/target/linux/brcm2708/patches-4.19/950-0191-BCM2710_DT-fix-gpio-expander-bindings.patch

From d5a4fa7ba39e4f9e41271023e1be417204b8a2b7 Mon Sep 17 00:00:00 2001
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Date: Tue, 27 Nov 2018 16:59:10 +0100
Subject: [PATCH] BCM2710_DT: fix gpio expander bindings

The upstreamed driver for the GPIO expander expects to be a children of
the "firmware" node.

The patch also removes the "firmware" phandle as it's useless.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 3 +--
 arch/arm/boot/dts/bcm2710-rpi-3-b.dts      | 4 +++-
 arch/arm/boot/dts/bcm2710-rpi-cm3.dts      | 4 +++-
 3 files changed, 7 insertions(+), 4 deletions(-)

--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
@@ -83,12 +83,11 @@
 	brcm,overclock-50 = <0>;
 };
 
-&soc {
+&firmware {
 	expgpio: expgpio {
 		compatible = "raspberrypi,firmware-gpio";
 		gpio-controller;
 		#gpio-cells = <2>;
-		firmware = <&firmware>;
 		status = "okay";
 	};
 };
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -92,11 +92,13 @@
 		status = "okay";
 	};
 
+};
+
+&firmware {
 	expgpio: expgpio {
 		compatible = "raspberrypi,firmware-gpio";
 		gpio-controller;
 		#gpio-cells = <2>;
-		firmware = <&firmware>;
 		status = "okay";
 	};
 };
--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
@@ -53,11 +53,13 @@
 		status = "okay";
 	};
 
+};
+
+&firmware {
 	expgpio: expgpio {
 		compatible = "raspberrypi,firmware-gpio";
 		gpio-controller;
 		#gpio-cells = <2>;
-		firmware = <&firmware>;
 		status = "okay";
 	};
 };