Merge pull request #928 from UnicodeMan/main

Radxa Zero 3W: add pwm support

Author: makermelissa

src/adafruit_blinka/board/radxa/radxazero3.py

@@ -63,3 +63,7 @@
 RXD = D0_D0
 TX = D0_D1
 RX = D0_D0
+
+# PWM
+PWM8 = D3_B1
+PWM9 = D3_B2

src/adafruit_blinka/microcontroller/rockchip/rk3566/pin.py

@@ -242,6 +242,16 @@
         globals()[alias + "_RX"] = GPIO2_A3
         uartPorts.append((int(alias[-1]), GPIO2_A4, GPIO2_A3))
 
+if board in ("RADXA_ZERO3"):
+    alias = get_pwm_chipid("fe6f0000.pwm")
+    if alias is not None:
+        globals()["PWM" + alias] = GPIO3_B1
+        pwmOuts.append(((int(alias[-1]), 0), GPIO3_B1))
+    alias = get_pwm_chipid("fe6f0010.pwm")
+    if alias is not None:
+        globals()["PWM" + alias] = GPIO3_B2
+        pwmOuts.append(((int(alias[-1]), 0), GPIO3_B2))
+
 analogIns = tuple(analogIns)
 i2cPorts = tuple(i2cPorts)
 pwmOuts = tuple(pwmOuts)