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[7/7] ARM: dts: lpc4350-hitex-eval: add adc1

Message ID 1459288246-1670-8-git-send-email-manabian@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Joachim Eastwood March 29, 2016, 9:50 p.m. UTC 
Enable adc1 on LPC4350 Hitex Evalution board. This board has a
10k potensiometer (R26) connected to ADC1 channel 2.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
---
 arch/arm/boot/dts/lpc4350-hitex-eval.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/lpc4350-hitex-eval.dts b/arch/arm/boot/dts/lpc4350-hitex-eval.dts
index 022d495..6d0c698 100644
--- a/arch/arm/boot/dts/lpc4350-hitex-eval.dts
+++ b/arch/arm/boot/dts/lpc4350-hitex-eval.dts
@@ -119,9 +119,25 @@ 
 			gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	vcc: vcc_fixed {
+		compatible = "regulator-fixed";
+		regulator-name = "3v3io";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &pinctrl {
+	adc1_pins: adc1-pins {
+		adc1_pins_cfg {
+			pins = "pf_9";
+			function = "adc";
+			input-disable;
+			bias-disable;
+		};
+	};
+
 	emc_pins: emc-pins {
 		emc_addr0_23_cfg {
 			pins =	"p2_9",  "p2_10", "p2_11", "p2_12",
@@ -325,6 +341,13 @@ 
 	};
 };
 
+&adc1 {
+	status = "okay";
+	vref-supply = <&vcc>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&adc1_pins>;
+};
+
 &emc {
 	status = "okay";
 	pinctrl-names = "default";