Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Krzysztof Kozlowski <> | Subject | [PATCH 3/6] ARM: dts: am335x: lxm: Fix PCA9539 GPIO expander properties | Date | Sat, 29 Aug 2020 11:40:21 +0200 |
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The PCA9539 GPIO expander requires GPIO controller properties to operate properly.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.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
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