soc: esp32c6: Add PCNT support

Add pinctrl and HAL file for PCNT support.

Signed-off-by: Raffael Rostagno <[email protected]>

Author: Raffael Rostagno

zephyr/esp32c6/CMakeLists.txt

@@ -318,6 +318,11 @@ if(CONFIG_SOC_SERIES_ESP32C6)
     ../../components/hal/ledc_hal.c
     )
 
+  zephyr_sources_ifdef(
+    CONFIG_PCNT_ESP32
+    ../../components/hal/pcnt_hal.c
+    )
+
   zephyr_sources_ifdef(
     CONFIG_ESP32_TEMP
     ../../components/driver/deprecated/rtc_temperature_legacy.c

zephyr/port/pincfgs/esp32c6.yml

@@ -179,3 +179,59 @@ twai1:
   bus_off:
     sigo: twai1_bus_off_on
     gpio: [[0, 23]]
+
+pcnt0:
+  ch0sig:
+    sigi: pcnt_sig_ch0_in0
+    gpio: [[0, 23]]
+  ch0ctrl:
+    sigi: pcnt_ctrl_ch0_in0
+    gpio: [[0, 23]]
+  ch1sig:
+    sigi: pcnt_sig_ch1_in0
+    gpio: [[0, 23]]
+  ch1ctrl:
+    sigi: pcnt_ctrl_ch1_in0
+    gpio: [[0, 23]]
+
+pcnt1:
+  ch0sig:
+    sigi: pcnt_sig_ch0_in1
+    gpio: [[0, 23]]
+  ch0ctrl:
+    sigi: pcnt_ctrl_ch0_in1
+    gpio: [[0, 23]]
+  ch1sig:
+    sigi: pcnt_sig_ch1_in1
+    gpio: [[0, 23]]
+  ch1ctrl:
+    sigi: pcnt_ctrl_ch1_in1
+    gpio: [[0, 23]]
+
+pcnt2:
+  ch0sig:
+    sigi: pcnt_sig_ch0_in2
+    gpio: [[0, 23]]
+  ch0ctrl:
+    sigi: pcnt_ctrl_ch0_in2
+    gpio: [[0, 23]]
+  ch1sig:
+    sigi: pcnt_sig_ch1_in2
+    gpio: [[0, 23]]
+  ch1ctrl:
+    sigi: pcnt_ctrl_ch1_in2
+    gpio: [[0, 23]]
+
+pcnt3:
+  ch0sig:
+    sigi: pcnt_sig_ch0_in3
+    gpio: [[0, 23]]
+  ch0ctrl:
+    sigi: pcnt_ctrl_ch0_in3
+    gpio: [[0, 23]]
+  ch1sig:
+    sigi: pcnt_sig_ch1_in3
+    gpio: [[0, 23]]
+  ch1ctrl:
+    sigi: pcnt_ctrl_ch1_in3
+    gpio: [[0, 23]]