[PATCH 21/21] test/avocado/machine_aspeed.py: Add I2C slave tests

[Cédric Le Goater]

Test extracted from :

  https://lists.nongnu.org/archive/html/qemu-devel/2022-06/msg00183.html

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 tests/avocado/machine_aspeed.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py
index 28b8a4c8124b..89447dbebcb9 100644
--- a/tests/avocado/machine_aspeed.py
+++ b/tests/avocado/machine_aspeed.py
@@ -138,6 +138,8 @@ def test_arm_ast2600_evb_builroot(self):
                          'tmp423,bus=aspeed.i2c.bus.15,address=0x4c');
         self.vm.add_args('-device',
                          'ds1338,bus=aspeed.i2c.bus.15,address=0x32');
+        self.vm.add_args('-device',
+                         'i2c-echo,bus=aspeed.i2c.bus.15,address=0x42');
         self.do_test_arm_aspeed_buidroot_start(image_path, '0xf00')
         exec_command_and_wait_for_pattern(self,
                                           'i2cget -y 15 0x4c 0xff', '0x23');
@@ -150,4 +152,13 @@ def test_arm_ast2600_evb_builroot(self):
         year = time.strftime("%Y")
         exec_command_and_wait_for_pattern(self, 'hwclock -f /dev/rtc1', year);
 
+        exec_command_and_wait_for_pattern(self,
+             'echo slave-24c02 0x1064 > 
/sys/bus/i2c/devices/i2c-15/new_device',
+             'i2c i2c-15: new_device: Instantiated device slave-24c02 at 
0x64');
+        exec_command(self, 'i2cset -y 15 0x42 0x64 0x00 0xaa i');
+        time.sleep(0.1)
+        exec_command_and_wait_for_pattern(self,
+             'hexdump /sys/bus/i2c/devices/15-1064/slave-eeprom',
+             '0000000 ffaa ffff ffff ffff ffff ffff ffff ffff');
+
         self.do_test_arm_aspeed_buidroot_poweroff()
-- 
2.35.3