diff options
| author | Eugeniy Paltsev | 2018-03-26 15:57:38 +0300 |
|---|---|---|
| committer | Alexey Brodkin | 2018-04-02 12:27:56 +0300 |
| commit | f770b3ee1830a5fbd3b44cd051d9e5468339d651 (patch) | |
| tree | f229ce78100ee5d5268613ffdc412209d62e32f1 | |
| parent | ada8affdfe32bb621db09332a8267bab4ae5f312 (diff) | |
ARC: HSDK: Enable SPI flash support
HSDK board has sst26wf016 SPI flash IC which we want to support.
Add SPI controller, CS-gpio and SPI flash nodes to hsdk device tree.
Enable corresponding options in hsdk defconfig.
For SPI write functionality to work we need [1] which
adds support of sst26xxx ICs.
[1] https://patchwork.ozlabs.org/project/uboot/list/?series=35796
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
| -rw-r--r-- | arch/arc/dts/hsdk.dts | 26 | ||||
| -rw-r--r-- | configs/hsdk_defconfig | 9 |
2 files changed, 35 insertions, 0 deletions
diff --git a/arch/arc/dts/hsdk.dts b/arch/arc/dts/hsdk.dts index 09f3fe9a374..80b864af743 100644 --- a/arch/arc/dts/hsdk.dts +++ b/arch/arc/dts/hsdk.dts @@ -14,6 +14,7 @@ aliases { console = &uart0; + spi0 = &spi0; }; cpu_card { @@ -83,4 +84,29 @@ compatible = "generic-ohci"; reg = <0xf0060000 0x100>; }; + + spi0: spi@f0020000 { + compatible = "snps,dw-apb-ssi"; + reg = <0xf0020000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <4000000>; + clocks = <&cgu_clk CLK_SYS_SPI_REF>; + clock-names = "spi_clk"; + cs-gpio = <&cs_gpio 0>; + spi_flash@0 { + compatible = "spi-flash"; + reg = <0>; + spi-max-frequency = <4000000>; + }; + }; + + cs_gpio: gpio@f00014b0 { + compatible = "snps,hsdk-creg-gpio"; + reg = <0xf00014b0 0x4>; + gpio-controller; + #gpio-cells = <1>; + gpio-bank-name = "hsdk-spi-cs"; + gpio-count = <1>; + }; }; diff --git a/configs/hsdk_defconfig b/configs/hsdk_defconfig index c72ee2d0c1c..476ce6a9741 100644 --- a/configs/hsdk_defconfig +++ b/configs/hsdk_defconfig @@ -12,6 +12,8 @@ CONFIG_SYS_PROMPT="hsdk# " CONFIG_CMD_ENV_FLAGS=y # CONFIG_CMD_FLASH is not set CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y CONFIG_CMD_USB=y # CONFIG_CMD_SETEXPR is not set CONFIG_CMD_DHCP=y @@ -29,12 +31,19 @@ CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_NET_RANDOM_ETHADDR=y CONFIG_DM=y CONFIG_CLK_HSDK=y +CONFIG_DM_GPIO=y +CONFIG_HSDK_CREG_GPIO=y CONFIG_MMC=y CONFIG_MMC_DW=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_SST=y CONFIG_DM_ETH=y CONFIG_ETH_DESIGNWARE=y CONFIG_DM_SERIAL=y CONFIG_SYS_NS16550=y +CONFIG_DM_SPI=y +CONFIG_DESIGNWARE_SPI=y CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_EHCI_HCD=y |