[PULL 04/19] test/avocado/machine_aspeed.py: Add I2C tests to ast2500-evb

[Cédric Le Goater]

Create a named I2C temperature sensor device on the command line,
instantiate device from Linux since it is not part of the device tree,
and check the temperature is correctly reported under sysfs.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 tests/avocado/machine_aspeed.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py
index 31a0fb6cd865..4d2766e1d44d 100644
--- a/tests/avocado/machine_aspeed.py
+++ b/tests/avocado/machine_aspeed.py
@@ -119,7 +119,20 @@ def test_arm_ast2500_evb_builroot(self):
         image_path = self.fetch_asset(image_url, asset_hash=image_hash,
                                       algorithm='sha256')
 
+        self.vm.add_args('-device',
+                         
'tmp105,bus=aspeed.i2c.bus.3,address=0x4d,id=tmp-test');
         self.do_test_arm_aspeed_buidroot_start(image_path, '0x0')
+
+        exec_command_and_wait_for_pattern(self,
+             'echo lm75 0x4d > /sys/class/i2c-dev/i2c-3/device/new_device',
+             'i2c i2c-3: new_device: Instantiated device lm75 at 0x4d');
+        exec_command_and_wait_for_pattern(self,
+                             'cat /sys/class/hwmon/hwmon1/temp1_input', '0')
+        self.vm.command('qom-set', path='/machine/peripheral/tmp-test',
+                        property='temperature', value=18000);
+        exec_command_and_wait_for_pattern(self,
+                             'cat /sys/class/hwmon/hwmon1/temp1_input', 
'18000')
+
         self.do_test_arm_aspeed_buidroot_poweroff()
 
     def test_arm_ast2600_evb_builroot(self):
-- 
2.35.3