From 998d7a01dda2c7c4ea23e0a6ea737d5d0921ce5c Mon Sep 17 00:00:00 2001
From: Jim Paris <jim@jtan.com>
Date: Wed, 7 Aug 2019 15:21:12 -0400
Subject: [PATCH] scripts/dts: add basic test for IO channel property

Test the new io-channel support

Signed-off-by: Jim Paris <jim@jtan.com>
---
 scripts/dts/test-bindings/io-channel.yaml | 14 ++++++++++++++
 scripts/dts/test.dts                      | 16 ++++++++++++++++
 scripts/dts/testedtlib.py                 |  7 +++++++
 3 files changed, 37 insertions(+)
 create mode 100644 scripts/dts/test-bindings/io-channel.yaml

diff --git a/scripts/dts/test-bindings/io-channel.yaml b/scripts/dts/test-bindings/io-channel.yaml
new file mode 100644
index 00000000000..1077d6914d6
--- /dev/null
+++ b/scripts/dts/test-bindings/io-channel.yaml
@@ -0,0 +1,14 @@
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+title: IO channel with one cell
+description: IO channel with one cell
+
+properties:
+    compatible:
+        constraint: "io-channel"
+        type: string-array
+
+"#cells":
+  - one
diff --git a/scripts/dts/test.dts b/scripts/dts/test.dts
index 29b2353ed51..b3d4cd28665 100644
--- a/scripts/dts/test.dts
+++ b/scripts/dts/test.dts
@@ -195,6 +195,22 @@
 		};
 	};
 
+	//
+	// IO channels
+	//
+
+	// Lots of common code with PWMs and clocks, so just test the basics
+	io-channel-test {
+		io-channel {
+			compatible = "io-channel";
+			#io-channel-cells = <1>;
+		};
+		node {
+			io-channels = <&{/io-channel-test/io-channel} 1>;
+			io-channel-names = "io-channel";
+		};
+	};
+
 	//
 	// 'reg'
 	//
diff --git a/scripts/dts/testedtlib.py b/scripts/dts/testedtlib.py
index e566a2ca004..4bc5677a498 100755
--- a/scripts/dts/testedtlib.py
+++ b/scripts/dts/testedtlib.py
@@ -72,6 +72,13 @@ def run():
     verify_streq(edt.get_dev("/pwm-test/node").pwms,
                  "[<PWM, name: zero-cell, target: <Device /pwm-test/pwm-0 in 'test.dts', binding test-bindings/pwm-0-cell.yaml>, specifier: {}>, <PWM, name: one-cell, target: <Device /pwm-test/pwm-1 in 'test.dts', binding test-bindings/pwm-1-cell.yaml>, specifier: {'one': 1}>]")
 
+    #
+    # Test IO channels
+    #
+
+    verify_streq(edt.get_dev("/io-channel-test/node").iochannels,
+                 "[<IOChannel, name: io-channel, target: <Device /io-channel-test/io-channel in 'test.dts', binding test-bindings/io-channel.yaml>, specifier: {'one': 1}>]")
+
     #
     # Test 'reg'
     #