linux-kernel - [PATCH 09/10] ARM: dts: at91: sama5d2: add rtc_adc

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Date:   Wed, 18 Dec 2019 16:24:03 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <jic23@...nel.org>, <robh+dt@...nel.org>,
        <alexandre.belloni@...tlin.com>
CC:     <Nicolas.Ferre@...rochip.com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <a.zummo@...ertech.it>, <Ludovic.Desroches@...rochip.com>,
        <Eugen.Hristev@...rochip.com>
Subject: [PATCH 09/10] ARM: dts: at91: sama5d2: add rtc_adc_trigger node

From: Eugen Hristev <eugen.hristev@...rochip.com>

Add node for the AT91 RTC ADC Trigger.
This is a child node of the RTC and uses the same register map.
Add a link in the ADC node to this new node. This represents the internal
hardware line that is connected from the ADC to the RTC device.

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 5652048..c2df369 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -694,6 +694,16 @@
 				reg = <0xf80480b0 0x30>;
 				interrupts = <74 IRQ_TYPE_LEVEL_HIGH 7>;
 				clocks = <&clk32k>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0xf80480b0 0x10>;
+
+				rtc_adc_trigger: rtc-adc-trigger {
+					reg = <0x0 0x10>;
+					compatible = "microchip,rtc-adc-trigger";
+					status = "disabled";
+				};
+
 			};
 
 			i2s0: i2s@...50000 {
@@ -856,6 +866,7 @@
 				atmel,max-sample-rate-hz = <20000000>;
 				atmel,startup-time-ms = <4>;
 				atmel,trigger-edge-type = <IRQ_TYPE_EDGE_RISING>;
+				atmel,rtc-trigger = <&rtc_adc_trigger>;
 				#io-channel-cells = <1>;
 				status = "disabled";
 			};
-- 
2.7.4