From ab563bf54a4d08cb59e7d7bcd419f7e8558a4964 Mon Sep 17 00:00:00 2001
From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Date: Fri, 18 Oct 2019 14:11:26 +0300
Subject: 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>
---
 arch/arc/boot/dts/hsdk.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'arch/arc/boot')

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 {
-- 
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