From 4592f11e47a2b28562d6cfe165d5ea7495ff4dca Mon Sep 17 00:00:00 2001 From: Eugeniy Paltsev Date: Tue, 23 Oct 2018 15:09:19 +0300 Subject: ARC: [plat-hsdk] Enable DW APB GPIO support Enable GPIO support on HSDK. HSDK SoC includes Synopsys DesignWare DW_apb_gpio IP with 24 GPIOs mapped onto port A. Signed-off-by: Eugeniy Paltsev Acked-by: Alexey Brodkin Signed-off-by: Vineet Gupta --- arch/arc/boot/dts/hsdk.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/arc/boot/dts/hsdk.dts') diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index ef149f59929a..43f17b51ee89 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -222,6 +222,21 @@ bus-width = <4>; dma-coherent; }; + + gpio: gpio@3000 { + compatible = "snps,dw-apb-gpio"; + reg = <0x3000 0x20>; + #address-cells = <1>; + #size-cells = <0>; + + gpio_port_a: gpio-controller@0 { + compatible = "snps,dw-apb-gpio-port"; + gpio-controller; + #gpio-cells = <2>; + snps,nr-gpios = <24>; + reg = <0>; + }; + }; }; memory@80000000 { -- cgit