ODROID-N2/C4: Support PWMOuts

Signed-off-by: Steve Jeong <steve@how2flow.net>

diff --git a/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py b/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py
index f44f92a04a408f5084cf890f7befd86f229f5f39..f0c378a7bd2e8f67de8e464e9b4a4994be29e244 100644 (file)
--- a/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py
+++ b/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py
@@ -13,7 +13,7 @@ Linux kernel 5.4.y (mainline)
 """
 
 from adafruit_blinka.agnostic import detector
-from adafruit_blinka.microcontroller.alias import get_dts_alias
+from adafruit_blinka.microcontroller.alias import get_dts_alias, get_pwm_chipid
 from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
 
 try:
@@ -131,6 +131,9 @@ i2cPorts = []
 # ordered as spiId, sckId, mosiId, misoId
 spiPorts = ((0, SPI0_SCLK, SPI0_MOSI, SPI0_MISO),)
 
+# SysFs pwm outputs, pwm channel and pin in first tuple
+pwmOuts = []
+
 # ordered as uartId, txId, rxId
 uartPorts = [
     (1, UART1_TX, UART1_RX),
@@ -163,12 +166,43 @@ if board in ("ODROID_C4", "ODROID_N2"):
         uartPorts.append((int(alias[-1]), GPIOX_6, GPIOX_7))
 
 if board in ("ODROID_C4"):
+    alias = get_pwm_chipid("ffd1b000.pwm")
+    if alias is not None:
+        globals()["PWMA"] = GPIOX_6
+        globals()["PWMB"] = GPIOX_19
+        pwmOuts.append(((int(alias[-1]), 0), GPIOX_6))
+        pwmOuts.append(((int(alias[-1]), 1), GPIOX_19))
+    alias = get_pwm_chipid("ffd1a000.pwm")
+    if alias is not None:
+        globals()["PWMC"] = GPIOX_5
+        globals()["PWMD"] = GPIOX_3
+        pwmOuts.append(((int(alias[-1]), 0), GPIOX_5))
+        pwmOuts.append(((int(alias[-1]), 1), GPIOX_3))
+    alias = get_pwm_chipid("ffd19000.pwm")
+    if alias is not None:
+        globals()["PWME"] = GPIOX_16
+        globals()["PWMF"] = GPIOH_5
+        pwmOuts.append(((int(alias[-1]), 0), GPIOX_16))
+        pwmOuts.append(((int(alias[-1]), 1), GPIOH_5))
     analogIns.append((37, 0, 2))
     analogIns.append((40, 0, 0))
 if board in ("ODROID_N2"):
+    alias = get_pwm_chipid("ffd1a000.pwm")
+    if alias is not None:
+        globals()["PWMC"] = GPIOX_5
+        globals()["PWMD"] = GPIOX_6
+        pwmOuts.append(((int(alias[-1]), 0), GPIOX_5))
+        pwmOuts.append(((int(alias[-1]), 1), GPIOX_6))
+    alias = get_pwm_chipid("ffd19000.pwm")
+    if alias is not None:
+        globals()["PWME"] = GPIOX_16
+        globals()["PWMF"] = GPIOX_7
+        pwmOuts.append(((int(alias[-1]), 0), GPIOX_16))
+        pwmOuts.append(((int(alias[-1]), 1), GPIOX_7))
     analogIns.append((37, 0, 3))
     analogIns.append((40, 0, 2))
 
 analogIns = tuple(analogIns)
 i2cPorts = tuple(i2cPorts)
+pwmOuts = tuple(pwmOuts)
 uartPorts = tuple(uartPorts)