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ARC: [plat-hsdk]: enable creg-gpio controller 

HSDK SOC has CREG GPIO controller which can be used to control
SPI chip select lines.
Enable it in preparation of enabling SPI peripherals.

Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2019-05-28 12:40:52 +03:00 committed by Vineet Gupta
parent 4c70850aeb
commit 780b35b6aa
2 changed files with 9 additions and 0 deletions
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8
arch/arc/boot/dts/hsdk.dts
View File

@ -241,6 +241,14 @@ mmc@a000 {
dma-coherent; dma-coherent;
}; };
creg_gpio: gpio@14b0 {
compatible = "snps,creg-gpio-hsdk";
reg = <0x14b0 0x4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <2>;
};
gpio: gpio@3000 { gpio: gpio@3000 {
compatible = "snps,dw-apb-gpio"; compatible = "snps,dw-apb-gpio";
reg = <0x3000 0x20>; reg = <0x3000 0x20>;

1
arch/arc/configs/hsdk_defconfig
View File

@ -49,6 +49,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_GPIOLIB=y CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set # CONFIG_HWMON is not set
CONFIG_DRM=y CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set # CONFIG_DRM_FBDEV_EMULATION is not set