From 7e84a8d13f97aa4487371c39e2b8918883e0ce3a Mon Sep 17 00:00:00 2001 From: Jason Cooper Date: Mon, 15 Aug 2016 14:51:04 +0000 Subject: [PATCH] ARM: dts: kirkwood: Fix Openblock A6 external GPIO pins By assigning the pin hog to the pinctrl node, we correctly configure the MPPs. However, they are not available to userspace. Fix this by assigning the hogs to the gpio node. After this, the following works as expected: # echo 28 >/sys/class/gpio/export # echo low >/sys/class/gpio/gpio28/direction [gregory.clement@free-electrons.com: fix title] Signed-off-by: Jason Cooper Reviewed-by: Andrew Lunn Signed-off-by: Gregory CLEMENT --- arch/arm/boot/dts/kirkwood-openblocks_a6.dts | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts index 0db0e3edc88f..94e49f32d5f9 100644 --- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts +++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts @@ -41,7 +41,7 @@ }; pinctrl: pin-controller@10000 { - pinctrl-0 = <&pmx_dip_switches &pmx_gpio_header>; + pinctrl-0 = <&pmx_dip_switches>; pinctrl-names = "default"; pmx_uart0: pmx-uart0 { @@ -174,3 +174,10 @@ phy-handle = <ðphy0>; }; }; + +&gpio0 { + status = "okay"; + + pinctrl-0 = <&pmx_gpio_header>; + pinctrl-names = "default"; +};