linux-kernel - [PATCH 3/3] arm64: zynqmp: DT: Add Xilinx AMS node

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Message-ID: <1535624539-7839-4-git-send-email-manish.narani@xilinx.com>
Date:   Thu, 30 Aug 2018 15:52:19 +0530
From:   Manish Narani <manish.narani@...inx.com>
To:     <jic23@...nel.org>, <knaack.h@....de>, <lars@...afoo.de>,
        <pmeerw@...erw.net>, <robh+dt@...nel.org>, <mark.rutland@....com>,
        <michal.simek@...inx.com>, <manish.narani@...inx.com>,
        <leoyang.li@....com>, <sudeep.holla@....com>,
        <amit.kucheria@...aro.org>, <broonie@...nel.org>,
        <arnaud.pouliquen@...com>, <geert@...ux-m68k.org>,
        <eugen.hristev@...rochip.com>, <rdunlap@...radead.org>,
        <lukas@...ner.de>, <freeman.liu@...eadtrum.com>,
        <vilhelm.gray@...il.com>, <tglx@...utronix.de>,
        <baolin.wang@...aro.org>, <gregkh@...uxfoundation.org>
CC:     <sgoud@...inx.com>, <anirudh@...inx.com>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] arm64: zynqmp: DT: Add Xilinx AMS node

The Xilinx AMS includes an ADC as well as on-chip sensors that can be
used to sample external and monitor on-die operating conditions, such as
temperature and supply voltage levels.

Signed-off-by: Manish Narani <manish.narani@...inx.com>
---
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 29ce234..6e42ca2 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -617,5 +617,31 @@
 			reg = <0x0 0xfd4d0000 0x0 0x1000>;
 			timeout-sec = <10>;
 		};
+
+		xilinx_ams: ams@...50000 {
+			compatible = "xlnx,zynqmp-ams";
+			status = "disabled";
+			interrupt-parent = <&gic>;
+			interrupts = <0 56 4>;
+			interrupt-names = "ams-irq";
+			reg = <0x0 0xffa50000 0x0 0x800>;
+			reg-names = "ams-base";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			#io-channel-cells = <1>;
+			ranges;
+
+			ams_ps: ams_ps@...50800 {
+				compatible = "xlnx,zynqmp-ams-ps";
+				status = "disabled";
+				reg = <0x0 0xffa50800 0x0 0x400>;
+			};
+
+			ams_pl: ams_pl@...50c00 {
+				compatible = "xlnx,zynqmp-ams-pl";
+				status = "disabled";
+				reg = <0x0 0xffa50c00 0x0 0x400>;
+			};
+		};
 	};
 };
-- 
2.1.1