From 2038e46f487483f277dda4dc2c3da9e34780642a Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Wed, 18 Jul 2018 09:25:43 +0200
Subject: [PATCH] arm64: zynqmp: List lpd watchdog in dtsi
There are use cases where lpd watchdog can be configured for APU use. By
design this IP should be listed in zynqmp.dtsi to make sure that node is
properly enabled by DTG.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
arch/arm/dts/zynqmp-clk-ccf.dtsi | 4 ++++
arch/arm/dts/zynqmp-clk.dtsi | 4 ++++
arch/arm/dts/zynqmp.dtsi | 9 +++++++++
3 files changed, 17 insertions(+)
diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi
index bd0f8eb22c5..998298cc9be 100644
--- a/arch/arm/dts/zynqmp-clk-ccf.dtsi
+++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi
@@ -272,6 +272,10 @@
clocks = <&zynqmp_clk WDT>;
};
+&lpd_watchdog {
+ clocks = <&zynqmp_clk LPD_WDT>;
+};
+
&xilinx_ams {
clocks = <&zynqmp_clk AMS_REF>;
};
diff --git a/arch/arm/dts/zynqmp-clk.dtsi b/arch/arm/dts/zynqmp-clk.dtsi
index c70f85a4302..9ef55ad0d18 100644
--- a/arch/arm/dts/zynqmp-clk.dtsi
+++ b/arch/arm/dts/zynqmp-clk.dtsi
@@ -223,6 +223,10 @@
clocks = <&clk100>;
};
+&lpd_watchdog {
+ clocks = <&clk250>;
+};
+
&xilinx_drm {
clocks = <&drm_clock>;
};
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 435b1e1ca6e..b453941baf0 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -980,6 +980,15 @@
reset-on-timeout;
};
+ lpd_watchdog: watchdog@ff150000 {
+ compatible = "cdns,wdt-r1p2";
+ status = "disabled";
+ interrupt-parent = <&gic>;
+ interrupts = <0 52 1>;
+ reg = <0x0 0xff150000 0x0 0x1000>;
+ timeout-sec = <10>;
+ };
+
xilinx_ams: ams@ffa50000 {
compatible = "xlnx,zynqmp-ams";
status = "disabled";
--
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