allwinner h618: support pwm

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / allwinner / h618 / pin.py

diff --git a/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py b/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py
index 34fdb6e1b363f42bf7d05b4c40610e048f1b10d8..426f38d6e081b2e9347a1abfe1e567ad96a8232e 100644 (file)
--- a/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py
+++ b/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py
@@ -23,8 +23,10 @@ def find_gpiochip_number(target_label):
 
     return gpiochip_number
 
-__chip_num = 1
-__chip_num = gpiochip_number = find_gpiochip_number("300b000.pinctrl")
+if find_gpiochip_number("300b000.pinctrl"):
+    __chip_num = 1
+else:
+    __chip_num = 0
 
 PC0 = Pin((__chip_num, 64))
 SPI0_SCLK = PC0
@@ -81,6 +83,7 @@ TWI3_SCL = PG17
 PG18 = Pin((__chip_num, 210))
 TWI3_SDA = PG18
 PG19 = Pin((__chip_num, 211))
+PWM1 = PG19
 
 PH0 = Pin((__chip_num, 224))
 PH1 = Pin((__chip_num, 225))
@@ -122,6 +125,7 @@ PI10 = Pin((__chip_num, 266))
 UART3_RX = PI10
 PI11 = Pin((__chip_num, 267))
 PI12 = Pin((__chip_num, 268))
+PWM2 = PI12
 PI13 = Pin((__chip_num, 269))
 UART4_TX = PI13
 PI14 = Pin((__chip_num, 270))
@@ -148,3 +152,9 @@ uartPorts = (
     (4, UART4_TX, UART4_RX),
     (5, UART5_TX, UART5_RX),
 )
+
+# SysFS pwm outputs, pwm channel and pin in first tuple
+pwmOuts = [
+    ((0, 1), PWM1),
+    ((0, 2), PWM2),
+]