--- /dev/null
+# SPDX-FileCopyrightText: 2025 Gautham Srinivasan for NVIDIA
+#
+# SPDX-License-Identifier: MIT
+
+"""Tegra T264 pin names"""
+import atexit
+from Jetson import GPIO
+
+GPIO.setmode(GPIO.TEGRA_SOC)
+GPIO.setwarnings(False) # shh!
+
+
+class Pin:
+ """Pins dont exist in CPython so...lets make our own!"""
+
+ IN = 0
+ OUT = 1
+ LOW = 0
+ HIGH = 1
+ PULL_NONE = 0
+ PULL_UP = 1
+ PULL_DOWN = 2
+
+ id = None
+ _value = LOW
+ _mode = IN
+
+ def __init__(self, bcm_number):
+ self.id = bcm_number
+
+ def __repr__(self):
+ return str(self.id)
+
+ def __eq__(self, other):
+ return self.id == other
+
+ def init(self, mode=IN, pull=None):
+ """Initialize the Pin"""
+ if mode is not None:
+ if mode == self.IN:
+ self._mode = self.IN
+ GPIO.setup(self.id, GPIO.IN)
+ elif mode == self.OUT:
+ self._mode = self.OUT
+ GPIO.setup(self.id, GPIO.OUT)
+ else:
+ raise RuntimeError("Invalid mode for pin: %s" % self.id)
+ if pull is not None:
+ if self._mode != self.IN:
+ raise RuntimeError("Cannot set pull resistor on output")
+ if pull == self.PULL_UP:
+ GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+ elif pull == self.PULL_DOWN:
+ GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+ else:
+ raise RuntimeError("Invalid pull for pin: %s" % self.id)
+
+ def value(self, val=None):
+ """Set or return the Pin Value"""
+ if val is not None:
+ if val == self.LOW:
+ self._value = val
+ GPIO.output(self.id, val)
+ return None
+ if val == self.HIGH:
+ self._value = val
+ GPIO.output(self.id, val)
+ return None
+ raise RuntimeError("Invalid value for pin")
+ return GPIO.input(self.id)
+
+ # pylint: disable=no-method-argument
+ @atexit.register
+ def cleanup():
+ """Clean up pins"""
+ print("Exiting... \nCleaning up pins")
+ GPIO.cleanup()
+
+ # pylint: enable=no-method-argument
+
+
+# Cannot be used as GPIO
+SDA = Pin("GP16_I2C8_DAT") # I2C4
+SCL = Pin("GP81_I2C9_CLK")
+SDA_1 = Pin("GP14_I2C2_DAT") # I2C2
+SCL_1 = Pin("GP13_I2C2_CLK")
+
+# Jetson Thor
+L06 = Pin("GP130")
+M04 = Pin("GP136_UART9_RTS_N")
+V06 = Pin("GP184_DAP2_CLK")
+M00 = Pin("GP132_PWM9")
+F07 = Pin("GP257_PWM2")
+DD03 = Pin("GP21")
+U07 = Pin("GP177")
+K01 = Pin("GP117_SPI1_MOSI")
+K00 = Pin("GP116_SPI1_MISO")
+U00 = Pin("GP170")
+J07 = Pin("GP115_SPI1_CLK")
+K02 = Pin("GP118_SPI1_CS0_N")
+K03 = Pin("GP119_SPI1_CS1_N")
+AD01 = Pin("GP211_CAN2_DIN")
+AD00 = Pin("GP210_CAN2_DOUT")
+DD04 = Pin("GGP22_SOCKET_ID_STRA")
+AE00 = Pin("GP215_CAN3_DOUT")
+W01 = Pin("GP187_DAP2_FS")
+M05 = Pin("GP137_UART9_CTS_N")
+AE01 = Pin("GP216_CAN3_DIN")
+W00 = Pin("GP186_DAP2_DIN")
+V07 = Pin("GP185_DAP2_DOUT")
+
+i2cPorts = (
+ (7, SCL, SDA),
+ (1, SCL_1, SDA_1),
+)
+
+# ordered as spiId, sckId, mosiId, misoId
+spiPorts = ((K02, J07, K01, K00),)