board: support for vicharak vaaman and axon boards

Vicharak Vaaman has 40 pin GPIO header and Axon has 30 pin
GPIO header.

Signed-off-by: djkabutar <[email protected]>

Author: djkabutar

src/adafruit_blinka/board/vicharak/axon.py

@@ -0,0 +1,88 @@
+# SPDX-FileCopyrightText: 2025 djkabutar
+# See https://docs.vicharak.in/vicharak_sbcs/vaaman/vaaman-gpio-description for pinout
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Vicharak Vaaman."""
+
+from adafruit_blinka.microcontroller.rockchip.rk3588 import pin
+
+D2 = pin.GPIO0_B6
+D4 = pin.GPIO0_B5
+D9 = pin.GPIO2_C1
+D10 = pin.GPIO2_B6
+D11 = pin.GPIO2_C0
+D12 = pin.GPIO2_B7
+D13 = pin.GPIO0_C0
+D17 = pin.GPIO1_D0
+D18 = pin.GPIO1_D1
+D19 = pin.GPIO1_D3
+D20 = pin.GPIO1_D2
+D23 = pin.GPIO1_B3
+D29 = pin.ADC_IN1
+D30 = pin.ADC_IN2
+D28 = pin.ADC_IN3
+D27 = pin.ADC_IN4
+
+# UART
+# UART2_M0
+UART2_RX = D2
+UART2_TX = D4
+# UART1_M0
+UART1_RX = D10
+UART1_TX = D12
+UART1_CSTN = D9
+UART1_RSTN = D11
+# UART6_M2
+UART6_RX = D17
+UART6_TX = D18
+# UART4_M0
+UART4_RX = D19
+UART4_TX = D20
+
+# Default UART -> UART2_M0
+UART_RX = UART2_RX
+UART_TX = UART2_TX
+
+# I2C
+# I2C2_M1
+I2C2_SCL = D9
+I2C2_SDA = D11
+# I2C5_M4
+I2C5_SCL = D10
+I2C5_SDA = D12
+# I2C7_M0
+I2C7_SCL = D17
+I2C7_SDA = D18
+# I2C1_M4
+I2C1_SCL = D20
+I2C1_SDA = D19
+
+# Default I2C -> I2C2_M1
+SCL = I2C2_SCL
+SDA = I2C2_SDA
+
+# SPI
+# SPI1_M2
+SPI_MOSI = D18
+SPI_MISO = D17
+SPI_CLK = D20
+SPI_SCLK = SPI_CLK
+SPI_CS0 = D19
+SPI_CS = SPI_CS0
+
+MOSI = D18
+MISO = D17
+SCLK = SPI_CLK
+CS = D19
+
+# PWM
+# PWM0_M1
+PWM0 = D20
+PWM1_M0 = D13
+PWM1_M1 = D19
+
+# ADC
+ADC_IN1 = D29
+ADC_IN2 = D30
+ADC_IN3 = D28
+ADC_IN4 = D27

src/adafruit_blinka/board/vicharak/vaaman.py

@@ -0,0 +1,52 @@
+# SPDX-FileCopyrightText: 2025 djkabutar
+# See https://docs.vicharak.in/vicharak_sbcs/vaaman/vaaman-gpio-description for pinout
+#
+# SPDX-License-Identifier: MIT
+"""Pin definitions for the Vicharak Vaaman."""
+
+from adafruit_blinka.microcontroller.rockchip.rk3399 import pin
+
+D7 = pin.GPIO2_B3
+D8 = pin.GPIO4_C4
+D10 = pin.GPIO4_C3
+D11 = pin.GPIO4_C2
+D12 = pin.GPIO4_A3
+D13 = pin.GPIO4_C6
+D15 = pin.GPIO4_C5
+D16 = pin.GPIO4_D2
+D18 = pin.GPIO4_D4
+D22 = pin.GPIO4_D5
+D27 = pin.GPIO2_A0
+D28 = pin.GPIO2_A1
+D29 = pin.GPIO2_B2
+D31 = pin.GPIO2_B1
+D32 = pin.GPIO3_C0
+D33 = pin.GPIO2_B4
+D35 = pin.GPIO4_A5
+D36 = pin.GPIO4_A4
+D37 = pin.GPIO4_D6
+D38 = pin.GPIO4_A6
+D40 = pin.GPIO4_A7
+
+SDA2 = D27
+SCL2 = D28
+
+SDA6 = D31
+SCL6 = D29
+
+SDA7 = pin.I2C7_SDA
+SCL7 = pin.I2C7_SCL
+
+SDA = SDA2
+SCL = SCL2
+
+UART2_TX = D8
+UART2_RX = D10
+
+UART_TX = UART2_TX
+UART_RX = UART2_RX
+
+PWM0 = pin.PWM0
+PWM1 = pin.PWM1
+
+ADC_IN0 = pin.ADC_IN0

src/board.py

@@ -308,6 +308,12 @@
 elif board_id == ap_board.ROCK_PI_E:
     from adafruit_blinka.board.radxa.rockpie import *
 
+elif board_id == ap_board.VAAMAN:
+    from adafruit_blinka.board.vicharak.vaaman import *
+
+elif board_id == ap_board.AXON:
+    from adafruit_blinka.board.vicharak.axon import *
+
 elif board_id == ap_board.UDOO_X86:
     from adafruit_blinka.board.udoo_x86ultra import *