X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/0548bc42ebc6e42c373a27783d5c3e41516c065c..84862c851a21caebff5194cbb7d94c9ff14ad132:/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py 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 635d816..ea01a8e 100644 --- a/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py +++ b/src/adafruit_blinka/microcontroller/amlogic/meson_g12_common/pin.py @@ -1,29 +1,39 @@ +# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries +# SPDX-FileCopyrightText: 2023 Steve Jeong for Hardkernel +# +# SPDX-License-Identifier: MIT +""" +G12A, G12B, and SM1 Common Definitions +Ref: +Linux kernel 4.9.y (hardkernel) + linux/include/dt-bindings/gpio/meson-g12a-gpio.h +Linux kernel 5.4.y (mainline) + linux/include/dt-bindings/gpio/meson-g12a-gpio.h + linux/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +""" + +from adafruit_blinka.agnostic import detector +from adafruit_blinka.microcontroller.alias import get_dts_alias, get_pwm_chipid from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin -import gpiod -import re +from adafruit_blinka.microcontroller.generic_linux.libgpiod_chip import Chip -# G12A, G12B, and SM1 -# Ref: -# Linux kernel 4.9.y (hardkernel) -# linux/include/dt-bindings/gpio/meson-g12a-gpio.h -# Linux kernel 5.4.y (mainline) -# linux/include/dt-bindings/gpio/meson-g12a-gpio.h -# linux/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +chip0 = Chip("0") +chip1 = Chip("1") -chip0 = gpiod.Chip("0") -chip1 = gpiod.Chip("1") +chip0lines = chip0.num_lines +chip1lines = chip1.num_lines -if chip0.num_lines() < 20: +if chip0lines < 20: aobus = 0 periphs = 1 - periphs_offset = chip1.num_lines() - 85 + periphs_offset = chip1lines - 85 else: aobus = 1 periphs = 0 - periphs_offset = chip0.num_lines() - 85 + periphs_offset = chip0lines - 85 -chip0.close() -chip1.close() +del chip0 +del chip1 GPIOAO_0 = GPIO496 = Pin((aobus, 0)) GPIOAO_1 = GPIO497 = Pin((aobus, 1)) @@ -95,42 +105,87 @@ SPI0_MISO = GPIOX_9 SPI0_MOSI = GPIOX_8 SPI0_CS0 = GPIOX_10 -# ordered as spiId, sckId, mosiId, misoId -spiPorts = ((0, SPI0_SCLK, SPI0_MOSI, SPI0_MISO), ) - UART1_TX = GPIOX_12 UART1_RX = GPIOX_13 -# ordered as uartId, txId, rxId -uartPorts = ((1, UART1_TX, UART1_RX), ) - - -def get_dts_alias(device: str) -> str: - uevent_path = "/sys/bus/platform/devices/" + device + "/uevent" - with open(uevent_path, 'r') as fd: - pattern = r"^OF_ALIAS_0=(.*)$" - uevent = fd.read().split('\n') - for line in uevent: - match = re.search(pattern, line) - if match: - return match.group(1).upper() - - return None - - # ordered as i2cId, sclId, sdaId i2cPorts = [] -alias = get_dts_alias("ffd1d000.i2c") -if alias is not None: - globals()[alias + "_SCL"] = GPIOX_18 - globals()[alias + "_SDA"] = GPIOX_17 - i2cPorts.append((int(alias[3]), GPIOX_18, GPIOX_17)) +# ordered as spiId, sckId, mosiId, misoId +spiPorts = ((0, SPI0_SCLK, SPI0_MOSI, SPI0_MISO),) -alias = get_dts_alias("ffd1c000.i2c") -if alias is not None: - globals()[alias + "_SCL"] = GPIOA_15 - globals()[alias + "_SDA"] = GPIOA_14 - i2cPorts.append((int(alias[3]), GPIOA_15, GPIOA_14)) +# SysFs pwm outputs, pwm channel and pin in first tuple +pwmOuts = [] +# ordered as uartId, txId, rxId +uartPorts = [ + (1, UART1_TX, UART1_RX), +] + +# SysFS analog inputs, Ordered as analog analogInId, device, and channel +analogIns = [] + +board = detector.board.id +if board in ("ODROID_C4", "ODROID_N2"): + alias = get_dts_alias("ffd1d000.i2c") + if alias is not None: + globals()[alias + "_SCL"] = GPIOX_18 + globals()[alias + "_SDA"] = GPIOX_17 + i2cPorts.append((int(alias[-1]), GPIOX_18, GPIOX_17)) + alias = get_dts_alias("ffd1c000.i2c") + if alias is not None: + globals()[alias + "_SCL"] = GPIOA_15 + globals()[alias + "_SDA"] = GPIOA_14 + i2cPorts.append((int(alias[-1]), GPIOA_15, GPIOA_14)) + alias = get_dts_alias("ffd24000.serial") + if alias is not None: + globals()[alias + "_TX"] = GPIOX_12 + globals()[alias + "_RX"] = GPIOX_13 + uartPorts.append((int(alias[-1]), GPIOX_12, GPIOX_13)) + alias = get_dts_alias("ffd23000.serial") + if alias is not None: + globals()[alias + "_TX"] = GPIOX_6 + globals()[alias + "_RX"] = GPIOX_7 + 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"] = GPIOX_7 + pwmOuts.append(((int(alias[-1]), 0), GPIOX_16)) + pwmOuts.append(((int(alias[-1]), 1), GPIOX_7)) + 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)