linux-kernel - [PATCH 3/6] ARM: dts: am335x: lxm: Fix PCA9539 GPIO expander properties

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Message-Id: <20200829094024.31842-3-krzk@kernel.org>
Date:   Sat, 29 Aug 2020 11:40:21 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Stefan Agner <stefan@...er.ch>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 3/6] ARM: dts: am335x: lxm: Fix PCA9539 GPIO expander properties

The PCA9539 GPIO expander requires GPIO controller properties to operate
properly.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 arch/arm/boot/dts/am335x-lxm.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-lxm.dts b/arch/arm/boot/dts/am335x-lxm.dts
index cd55f11260ea..0f078465297a 100644
--- a/arch/arm/boot/dts/am335x-lxm.dts
+++ b/arch/arm/boot/dts/am335x-lxm.dts
@@ -160,11 +160,15 @@
 	serial_config1: serial_config1@20 {
 		compatible = "nxp,pca9539";
 		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
 	};
 
 	serial_config2: serial_config2@21 {
 		compatible = "nxp,pca9539";
 		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
 	};
 
 	tps: tps@2d {
-- 
2.17.1