diff options
| author | Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2019-06-07 17:48:00 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-07-08 11:24:46 +0300 |
| commit | aab128d006e709954f2a67b5e27a4c587a0584bd (patch) | |
| tree | 5dd6f98ff06957721cd75b144e67516107186f83 /arch/arc | |
| parent | fd5de2721ea7d16e2b16c4049ac49f229551b290 (diff) | |
| download | linux-aab128d006e709954f2a67b5e27a4c587a0584bd.tar.xz | |
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: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/boot/dts/hsdk.dts | 14 | ||||
| -rw-r--r-- | arch/arc/configs/hsdk_defconfig | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index 9a45cb093096..bfc7f5f5d6f2 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -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>; diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index c8fb5d60c53f..d01b567328dc 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -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 |