Smart tab5keyboard (#533)

Platforms/platform-esp32/bindings/espressif,esp32-sdmmc.yaml

@@ -43,6 +43,16 @@ properties:
     type: int
     required: true
     description: Bus width in bits
+  slot:
+    type: int
+    default: 1
+    enum: [0, 1]
+    description: SDMMC host slot number (SDMMC_HOST_SLOT_0 or SDMMC_HOST_SLOT_1). On ESP32-P4, slot 0 uses the dedicated (non-GPIO-matrix) pins.
+  max-freq-khz:
+    type: int
+    default: 20000
+    minimum: 1
+    description: Maximum SDMMC clock frequency in kHz (e.g. 40000 for SDMMC_FREQ_HIGHSPEED)
   wp-active-high:
     type: boolean
     default: false