trekstor_ebr30_a: README: Document I2C slave addresses.

diff --git a/i2c/trekstor_ebr30_a/README b/i2c/trekstor_ebr30_a/README
index b4e96a83b25251e8b78c01f04ef818d9037476e9..8d3dde7cdda70e50cdad61ce5b9c1d586820501f 100644 (file)
--- a/i2c/trekstor_ebr30_a/README
+++ b/i2c/trekstor_ebr30_a/README
@@ -12,10 +12,13 @@ For details on the device see:
 There are three chips which are connected to the main CPU's SCL/SDA pins:
 
  - Battery management chip: X-Powers AXP199
+  * I²C slave address: 0x34/52 (shifted: 0x68/104)
 
  - RTC chip: Hec Semiconductor H8563S
+  * I²C slave address: 0x51/81 (shifted: 0xa2/162)
 
  - Digital Thermal Orientation Sensor (DTOS): MEMSIC MXC6225XU
+   * I²C slave address: 0x15/21 (shifted: 0x2a/42)
 
 
 trekstor_ebr30_a_i2c_0x15.sr