linux-kernel - [PATCH v3 3/4] ARM: dts: at91: sama5d2: add ADC hw trigger

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Date:   Thu, 25 May 2017 14:17:13 +0300
From:   Eugen Hristev <eugen.hristev@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...rochip.com>,
        <linux-iio@...r.kernel.org>, <lars@...afoo.de>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ludovic.desroches@...rochip.com>, <jic23@...nel.org>
CC:     <eugen.hristev@...rochip.com>
Subject: [PATCH v3 3/4] ARM: dts: at91: sama5d2: add ADC hw trigger

Add ADTRG hardware pin possible edge types as nodes
and default edge as property to the ADC

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
---
 arch/arm/boot/dts/sama5d2.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 8067c71..a06ca8d 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -1267,7 +1267,18 @@
 				atmel,min-sample-rate-hz = <200000>;
 				atmel,max-sample-rate-hz = <20000000>;
 				atmel,startup-time-ms = <4>;
+				atmel,trigger-edge-type = <&external_rising>;
 				status = "disabled";
+
+				/* possible edge type for ADTRG trigger pin */
+				adtrg: adtrg {
+					external_rising: external_rising {
+					};
+					external_falling: external_falling {
+					};
+					external_any: external_any {
+					};
+				};
 			};
 
 			pioA: pinctrl@...38000 {
-- 
2.7.4