Add support for PCA9557 8-bit IO expander (#18632)

* add PCA9557 driver * text correction * added switches and buttons * update max devices to 8 * cleanup
arendst · May 14, 2023 · 885737a · 885737a
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commit 885737a
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diff --git a/I2CDEVICES.md b/I2CDEVICES.md
@@ -115,4 +115,5 @@ Index | Define              | Driver   | Device   | Address(es) | Description
   77  | USE_MCP23XXX_DRV    | xdrv_67  | MCP23x17 | 0x20 - 0x26 | 16-bit I/O expander as virtual button/switch/relay
   78  | USE_PMSA003I        | xsns_104 | PMSA003I | 0x12        | PM2.5 Air Quality Sensor with I2C Interface
   79  | USE_GDK101          | xsns_106 | GDK101   | 0x18 - 0x1B | Gamma Radiation Sensor
-  80  | USE_TC74            | xsns_108 | TC74     | 0x48 - 0x4F | Temperature sensor
+  80  | USE_TC74            | xsns_108 | TC74     | 0x48 - 0x4F | Temperature sensor
+  81  | USE_PCA95XX_DRV     | xdrv_69  | PCA95xx  | 0x18 - 0x1F | 8-bit I/O expander as virtual relay