HSDK SOC has CREG GPIO controller which can be used to control
SPI chip select lines.
Enable it in preparation of enabling SPI peripherals.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx>
---
arch/arc/boot/dts/hsdk.dts | 8 ++++++++
arch/arc/configs/hsdk_defconfig | 1 +
2 files changed, 9 insertions(+)
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 7425bb0f2d1b..83e163e51b34 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -237,6 +237,14 @@
dma-coherent;
};
+ creg_gpio: gpio@14b0 {
+ compatible = "snps,creg-gpio-hsdk";
+ reg = <0x14b0 0x4>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ ngpios = <2>;
+ };
+
gpio: gpio@3000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3000 0x20>;
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0e5fd29ed238..0c4411f50948 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -49,6 +49,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
+CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
--
2.21.0
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
