Support for Particle Tachyon

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / quectel / qcm6490 / pin.py

diff --git a/src/adafruit_blinka/microcontroller/quectel/qcm6490/pin.py b/src/adafruit_blinka/microcontroller/quectel/qcm6490/pin.py
new file mode 100644 (file)
index 0000000..562d8ee
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/quectel/qcm6490/pin.py
@@ -0,0 +1,142 @@
+# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
+#
+# SPDX-License-Identifier: MIT
+"""Quectel QCM6490 pin names"""
+# from adafruit_blinka.microcontroller.generic_linux.sysfs_pin import Pin
+# from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
+from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin as GenericLinuxPin
+
+import os
+
+# Release (unexport)  all pins on init and set to INPUT mode
+class Pin(GenericLinuxPin):
+    def __init__(self, pin_id):
+        self._release_sysfs_gpio(pin_id)
+        super().__init__(pin_id)
+
+    def _release_sysfs_gpio(self, pin_id, base_offset=336):
+        # pin_id might be a tuple like (chip_id, line_number)
+        if isinstance(pin_id, tuple):
+            _, line_number = pin_id
+        else:
+            line_number = pin_id
+
+        gpio_num = base_offset + int(line_number)
+        gpio_path = f"/sys/class/gpio/gpio{gpio_num}"
+
+        try:
+            if not os.path.exists(gpio_path):
+                with open("/sys/class/gpio/export", "w") as f:
+                    f.write(f"{gpio_num}")
+            with open(f"{gpio_path}/direction", "w") as f:
+                f.write("in")
+            with open("/sys/class/gpio/unexport", "w") as f:
+                f.write(f"{gpio_num}")
+        except Exception:
+            # fail silently if not allowed
+            pass
+
+# Use with sysfs_pin
+# GPIO_BASE = 336
+
+# Use with libgpiod_pin
+GPIO_BASE = 0
+
+GPIO_6 = Pin(GPIO_BASE + 6)
+UART01_TXD = GPIO_6
+PWM1 = GPIO_6
+GPIO_8 = Pin(GPIO_BASE + 8)
+I2C02_SDA = GPIO_8
+SDA = GPIO_8
+GPIO_9 = Pin(GPIO_BASE + 9)
+I2C02_SCL = GPIO_9
+SCL = GPIO_9
+GPIO_18 = Pin(GPIO_BASE + 18)
+UART04_TXD = GPIO_18
+SPI04_CLK = GPIO_18
+GPIO_19 = Pin(GPIO_BASE + 19)
+UART04_RXD = GPIO_19
+SPI04_CS0 = GPIO_19
+GPIO_24 = Pin(GPIO_BASE + 24)
+GPIO_33 = Pin(GPIO_BASE + 33)
+UART10_RTS = GPIO_33
+SPI10_MOSI = GPIO_33
+I2C10_SCL = GPIO_33
+GPIO_34 = Pin(GPIO_BASE + 34)
+UART10_TXD = GPIO_34
+SPI10_CLK = GPIO_34
+GPIO_36 = Pin(GPIO_BASE + 36)
+UART11_CTS = GPIO_36
+SPI11_MISO = GPIO_36
+I2C11_SDA = GPIO_36
+EEPROM_SDA = GPIO_36
+GPIO_37 = Pin(GPIO_BASE + 37)
+UART11_RTS = GPIO_37
+SPI11_MOSI = GPIO_37
+I2C11_SCL = GPIO_37
+GPIO_48 = Pin(GPIO_BASE + 48)
+UART14_CTS = GPIO_48
+I2C14_SDA = GPIO_48
+SPI14_MISO = GPIO_48
+CTS = GPIO_48
+GPIO_49 = Pin(GPIO_BASE + 49)
+UART14_RTS = GPIO_49
+I2C14_SCL = GPIO_49
+SPI14_MOSI = GPIO_49
+RTS = GPIO_49
+GPIO_50 = Pin(GPIO_BASE + 50)
+UART14_TXD = GPIO_50
+SPI14_CLK = GPIO_50
+SPI16_CS3 = GPIO_50
+TX = GPIO_50
+GPIO_51 = Pin(GPIO_BASE + 51)
+UART14_RXD = GPIO_51
+SPI14_CS0 = GPIO_51
+RX = GPIO_51
+GPIO_56 = Pin(GPIO_BASE + 56)
+MISO = GPIO_56
+GPIO_57 = Pin(GPIO_BASE + 57)
+SPI16_MOSI = GPIO_57
+I2C16_SCL = GPIO_57
+UART16_RTS = GPIO_57
+SPI16_MISO = GPIO_57
+I2C16_SDA = GPIO_57
+UART16_CTS = GPIO_57
+MOSI = GPIO_57
+GPIO_58 = Pin(GPIO_BASE + 58)
+SPI16_CLK = GPIO_58
+UART16_TXD = GPIO_58
+SCK = GPIO_58
+GPIO_59 = Pin(GPIO_BASE + 59)
+SPI16_CS0 = GPIO_59
+UART16_RXD = GPIO_59
+GPIO_61 = Pin((0, GPIO_BASE + 61))
+GPIO_62 = Pin(GPIO_BASE + 62)
+SPI16_CS1 = GPIO_62
+GPIO_106 = Pin(GPIO_BASE + 106)
+UART13_TXD = GPIO_106
+SPI13_CLK = GPIO_106
+GPIO_144 = Pin(GPIO_BASE + 144)
+PRI_MI2S_MCLK = GPIO_144
+GPIO_145 = Pin(GPIO_BASE + 145)
+MI2S0_WS = GPIO_145
+MISO1 = GPIO_145
+GPIO_146 = Pin(GPIO_BASE + 146)
+MI2S0_DATA0 = GPIO_146
+GPIO_147 = Pin(GPIO_BASE + 147)
+MI2S0_DATA1 = GPIO_147
+GPIO_158 = Pin(GPIO_BASE + 158)
+GPIO_165 = Pin(GPIO_BASE + 165)
+GPIO_166 = Pin(GPIO_BASE + 166)
+
+# ordered as i2cId, i2cSclId, i2cSdaId
+i2cPorts = ((1, I2C02_SCL, I2C02_SDA),)
+
+# ordered as spiId, sckId, mosiId, misoId
+spiPorts = ((16, SPI16_CLK, SPI16_MOSI, SPI16_MISO),)
+
+# ordered as uartId, txId, rxId
+uartPorts = ((14, UART14_TXD, UART14_RXD),)
+
+# ordered as pwmChipId, pwmChannelId, pwmId
+pwmOuts = (((0, 0), PWM1),)