X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/2092c8bddf8d8a89f4325df1c268138f22cac53f..3746b1b4aef900105cc9cfa19cada6692d5eb94e:/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 fdbdcc6..1019b59 100644
--- a/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py
+++ b/src/adafruit_blinka/microcontroller/allwinner/h618/pin.py
@@ -2,12 +2,14 @@
 #
 # SPDX-License-Identifier: MIT
 """Allwinner H618 Pin Names"""
-from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
 import re
+from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
+
 
 def find_gpiochip_number(target_label):
+    """Get correct gpiochip number, legacy kernel and mainline kernel are different"""
     try:
-        with open('/sys/kernel/debug/gpio', 'r') as f:
+        with open("/sys/kernel/debug/gpio", "r") as f:
             lines = f.readlines()
     except FileNotFoundError:
         print("The file /sys/kernel/debug/gpio does not exist.")
@@ -16,13 +18,14 @@ def find_gpiochip_number(target_label):
     gpiochip_number = None
     for line in lines:
         if target_label in line:
-            match = re.search(r'gpiochip(\d+)', line)
+            match = re.search(r"gpiochip(\d+)", line)
             if match:
                 gpiochip_number = match.group(1)
                 break
 
     return gpiochip_number
 
+
 if find_gpiochip_number("300b000.pinctrl"):
     __chip_num = 1
 else:
@@ -83,6 +86,7 @@ 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))
@@ -124,6 +128,7 @@ 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))
@@ -150,3 +155,9 @@ 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),
+]