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ARC: [plat-hsdk]: Enable on-boardi SPI ADC IC 

HSDK board has adc108s102 SPI ADC IC installed, enable it.

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 2019-10-18 14:11:26 +03:00 committed by Vineet Gupta
parent 8ca8fa7f22
commit ab563bf54a
2 changed files with 19 additions and 0 deletions
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15
arch/arc/boot/dts/hsdk.dts
View File

@ -65,6 +65,14 @@
clock-frequency = <33333333>;
};
reg_5v0: regulator-5v0 {
compatible = "regulator-fixed";
regulator-name = "5v0-supply";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
cpu_intc: cpu-interrupt-controller {
compatible = "snps,archs-intc";
interrupt-controller;
@ -272,6 +280,13 @@
#size-cells = <1>;
spi-max-frequency = <4000000>;
};
adc@1 {
compatible = "ti,adc108s102";
reg = <1>;
vref-supply = <&reg_5v0>;
spi-max-frequency = <1000000>;
};
};
creg_gpio: gpio@14b0 {

4
arch/arc/configs/hsdk_defconfig
View File

@ -57,6 +57,8 @@ CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DRM_UDL=y
@ -74,6 +76,8 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
CONFIG_DMADEVICES=y
CONFIG_DW_AXI_DMAC=y
CONFIG_IIO=y
CONFIG_TI_ADC108S102=y
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y