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authorEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>2019-10-18 14:11:26 +0300
committerVineet Gupta <vgupta@synopsys.com>2019-10-22 09:58:29 -0700
commitab563bf54a4d08cb59e7d7bcd419f7e8558a4964 (patch)
tree7d79b4328c514aa3a85ed208c30a2cd9a5874e46 /arch/arc/boot
parent8ca8fa7f22dcb0a3265490a690b0c3e27de681f9 (diff)
downloadlinux-ab563bf54a4d08cb59e7d7bcd419f7e8558a4964.tar.bz2
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>
Diffstat (limited to 'arch/arc/boot')
-rw-r--r--arch/arc/boot/dts/hsdk.dts15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 9bea5daadd23..9acbeba832c0 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -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 {