Support for Particle Tachyon

diff --git a/src/adafruit_blinka/board/particle/__init__.py b/src/adafruit_blinka/board/particle/__init__.py
new file mode 100644 (file)
index 0000000..306b834
--- /dev/null
+++ b/src/adafruit_blinka/board/particle/__init__.py
@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
+#
+# SPDX-License-Identifier: MIT
+"""Board definitions from Particle"""

diff --git a/src/adafruit_blinka/board/particle/tachyon.py b/src/adafruit_blinka/board/particle/tachyon.py
new file mode 100644 (file)
index 0000000..1259eba
--- /dev/null
+++ b/src/adafruit_blinka/board/particle/tachyon.py
@@ -0,0 +1,53 @@
+# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Tachyon."""
+
+from adafruit_blinka.microcontroller.quectel.qcm6490 import pin
+
+for it in pin.i2cPorts:
+    globals()["SCL" + str(it[0])] = it[1]
+    globals()["SDA" + str(it[0])] = it[2]
+
+SCL = pin.i2cPorts[0][1]
+SDA = pin.i2cPorts[0][2]
+
+D0 = pin.GPIO_36
+D1 = pin.GPIO_37
+D2 = pin.GPIO_8
+D3 = pin.GPIO_9
+D4 = pin.GPIO_61
+D5 = pin.GPIO_18
+D6 = pin.GPIO_19
+D7 = pin.GPIO_62
+D8 = pin.GPIO_59
+D9 = pin.GPIO_56
+D10 = pin.GPIO_57
+D11 = pin.GPIO_58
+D12 = pin.GPIO_158
+D13 = pin.GPIO_6
+D14 = pin.GPIO_50
+D15 = pin.GPIO_51
+D16 = pin.GPIO_48
+D17 = pin.GPIO_49
+D18 = pin.GPIO_144
+D19 = pin.GPIO_145
+D20 = pin.GPIO_146
+D21 = pin.GPIO_147
+D22 = pin.GPIO_34
+D23 = pin.GPIO_165
+D24 = pin.GPIO_166
+D25 = pin.GPIO_24
+D26 = pin.GPIO_106
+D27 = pin.GPIO_33
+
+CS = D8
+MISO = D9
+MOSI = D10
+SCLK = D11
+SCK = SCLK
+
+UART_TX = D14
+UART_RX = D15
+
+PWM1 = D13

diff --git a/src/adafruit_blinka/microcontroller/quectel/__init__.py b/src/adafruit_blinka/microcontroller/quectel/__init__.py
new file mode 100644 (file)
index 0000000..0bbe8c1
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/quectel/__init__.py
@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
+#
+# SPDX-License-Identifier: MIT
+"""Definition of all Quectel chips"""

diff --git a/src/adafruit_blinka/microcontroller/quectel/qcm6490/__init__.py b/src/adafruit_blinka/microcontroller/quectel/qcm6490/__init__.py
new file mode 100644 (file)
index 0000000..8fba2cf
--- /dev/null
+++ b/src/adafruit_blinka/microcontroller/quectel/qcm6490/__init__.py
@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
+#
+# SPDX-License-Identifier: MIT
+"""Definition for the Quectel QCM6490 chip"""

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),)

diff --git a/src/board.py b/src/board.py
index f926dd01990b9d083b7f69ebbc36c549a0593c0b..5d51a692f2b9868f204ced1f882f2eff29bd97c8 100644 (file)
--- a/src/board.py
+++ b/src/board.py
@@ -467,6 +467,9 @@ elif board_id == ap_board.INDIEDROID_NOVA:
 elif board_id == ap_board.RDK_X3:
     from adafruit_blinka.board.horizon.rdkx3 import *
 
+elif board_id == ap_board.PARTICLE_TACHYON:
+    from adafruit_blinka.board.particle.tachyon import *
+
 elif "sphinx" in sys.modules:
     pass
 

diff --git a/src/digitalio.py b/src/digitalio.py
index 31c650c7e2e4e77b4da00328c7fc433f3f27cf43..d23fce0b6aa4ecee9fb374a081117bc0d86a3842 100644 (file)
--- a/src/digitalio.py
+++ b/src/digitalio.py
@@ -151,6 +151,8 @@ elif detector.chip.RV1103:
     from adafruit_blinka.microcontroller.rockchip.rv1103.pin import Pin
 elif detector.chip.RV1106:
     from adafruit_blinka.microcontroller.rockchip.rv1106.pin import Pin
+elif detector.chip.QCM6490:
+    from adafruit_blinka.microcontroller.quectel.qcm6490.pin import Pin
 elif detector.chip.OS_AGNOSTIC:
     from adafruit_blinka.microcontroller.generic_agnostic_board.pin import Pin
 

diff --git a/src/microcontroller/__init__.py b/src/microcontroller/__init__.py
index cedd1264168ca91524b8c26dd2642c46f23f9330..ea66e10b9895af9778621d23a71aa916e48f676f 100644 (file)
--- a/src/microcontroller/__init__.py
+++ b/src/microcontroller/__init__.py
@@ -169,6 +169,8 @@ elif chip_id == ap_chip.RZV2H:
     from adafruit_blinka.microcontroller.renesas.rzv2h import *
 elif chip_id == ap_chip.SUNRISE_X3:
     from adafruit_blinka.microcontroller.horizon.sunrise_x3 import *
+elif chip_id == ap_chip.QCM6490:
+    from adafruit_blinka.microcontroller.quectel.qcm6490 import *
 elif chip_id == ap_chip.GENERIC_X86:
     print("WARNING: GENERIC_X86 is not fully supported. Some features may not work.")
 elif chip_id == ap_chip.OS_AGNOSTIC:

diff --git a/src/microcontroller/pin.py b/src/microcontroller/pin.py
index 4016f95848909d037ad53cb93e3c4f6d564171ec..b40a5119ba219136fcd7346e6e4fe166e5818df4 100644 (file)
--- a/src/microcontroller/pin.py
+++ b/src/microcontroller/pin.py
@@ -159,6 +159,8 @@ elif chip_id == ap_chip.RV1106:
     from adafruit_blinka.microcontroller.rockchip.rv1106.pin import *
 elif chip_id == ap_chip.SUNRISE_X3:
     from adafruit_blinka.microcontroller.horizon.sunrise_x3.pin import *
+elif chip_id == ap_chip.QCM6490:
+    from adafruit_blinka.microcontroller.quectel.qcm6490.pin import *
 elif "sphinx" in sys.modules:
     # pylint: disable=unused-import
     from adafruit_blinka.microcontroller.generic_micropython import Pin