Commit aab128d0 authored by Eugeniy Paltsev's avatar Eugeniy Paltsev Committed by Vineet Gupta
Browse files

ARC: [plat-hsdk]: enable DW SPI controller 



HSDK SoC has DW SPI controller. Enable it in preparation of
enabling on-board SPI peripherals.

Acked-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent fd5de272

arch/arc/boot/dts/hsdk.dts

+14 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
 */

/dts-v1/;



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/reset/snps,hsdk-reset.h>



/ {
@@ -252,6 +253,19 @@ 
			dma-coherent;

		};



		spi0: spi@20000 {

			compatible = "snps,dw-apb-ssi";

			reg = <0x20000 0x100>;

			#address-cells = <1>;

			#size-cells = <0>;

			interrupts = <16>;

			num-cs = <2>;

			reg-io-width = <4>;

			clocks = <&input_clk>;

			cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>,

				   <&creg_gpio 1 GPIO_ACTIVE_LOW>;

		};



		creg_gpio: gpio@14b0 {

			compatible = "snps,creg-gpio-hsdk";

			reg = <0x14b0 0x4>;

arch/arc/configs/hsdk_defconfig

+3 −0
Original line number Diff line number Diff line
@@ -46,6 +46,9 @@ CONFIG_SERIAL_8250_CONSOLE=y 
CONFIG_SERIAL_8250_DW=y

CONFIG_SERIAL_OF_PLATFORM=y

# CONFIG_HW_RANDOM is not set

CONFIG_SPI=y

CONFIG_SPI_DESIGNWARE=y

CONFIG_SPI_DW_MMIO=y

CONFIG_GPIOLIB=y

CONFIG_GPIO_SYSFS=y

CONFIG_GPIO_DWAPB=y

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