drivers/pinctrl/stm32/pinctrl-stm32mp257.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/stm32/pinctrl-stm32mp257.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/stm32/pinctrl-stm32mp257.c
Extension
.c
Size
82543 bytes
Lines
2589
Domain
Driver Families
Bucket
drivers/pinctrl
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) STMicroelectronics 2023 - All Rights Reserved
 * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
 */
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>

#include "pinctrl-stm32.h"

static const struct stm32_desc_pin stm32mp257_pins[] = {
	STM32_PIN_PKG(
		PINCTRL_PIN(0, "PA0"),
		STM32MP_PKG_AI | STM32MP_PKG_AK | STM32MP_PKG_AL,
		STM32_FUNCTION(0, "GPIOA0"),
		STM32_FUNCTION(2, "LPTIM1_CH2"),
		STM32_FUNCTION(3, "SPI5_RDY"),
		STM32_FUNCTION(4, "UART8_CTS"),
		STM32_FUNCTION(5, "SAI2_MCLK_B"),
		STM32_FUNCTION(6, "UART5_TX"),
		STM32_FUNCTION(7, "USART3_TX"),
		STM32_FUNCTION(8, "TIM3_ETR"),
		STM32_FUNCTION(9, "TIM5_CH2"),
		STM32_FUNCTION(11, "ETH2_MII_RXD2 ETH2_RGMII_RXD2"),
		STM32_FUNCTION(13, "FMC_NL"),
		STM32_FUNCTION(15, "DCMI_D9 PSSI_D9 DCMIPP_D9"),
		STM32_FUNCTION(16, "EVENTOUT"),
		STM32_FUNCTION(17, "ANALOG")
	),
	STM32_PIN_PKG(
		PINCTRL_PIN(1, "PA1"),
		STM32MP_PKG_AI | STM32MP_PKG_AK | STM32MP_PKG_AL,
		STM32_FUNCTION(0, "GPIOA1"),
		STM32_FUNCTION(3, "SPI6_MISO"),
		STM32_FUNCTION(5, "SAI3_SD_A"),
		STM32_FUNCTION(6, "USART1_RTS"),
		STM32_FUNCTION(7, "USART6_CK"),
		STM32_FUNCTION(8, "TIM4_CH2"),
		STM32_FUNCTION(9, "I2C4_SDA"),
		STM32_FUNCTION(10, "I2C6_SDA"),
		STM32_FUNCTION(12, "LCD_R3"),
		STM32_FUNCTION(14, "DCMI_D5 PSSI_D5 DCMIPP_D5"),
		STM32_FUNCTION(15, "ETH3_PHY_INTN"),
		STM32_FUNCTION(16, "EVENTOUT"),
		STM32_FUNCTION(17, "ANALOG")
	),
	STM32_PIN_PKG(
		PINCTRL_PIN(2, "PA2"),
		STM32MP_PKG_AI | STM32MP_PKG_AK | STM32MP_PKG_AL,
		STM32_FUNCTION(0, "GPIOA2"),
		STM32_FUNCTION(2, "LPTIM2_IN1"),
		STM32_FUNCTION(3, "SPI7_MISO"),
		STM32_FUNCTION(6, "MDF1_SDI7"),
		STM32_FUNCTION(7, "USART1_RX"),
		STM32_FUNCTION(9, "I3C1_SDA"),
		STM32_FUNCTION(11, "I2C1_SDA"),
		STM32_FUNCTION(12, "LCD_B0"),
		STM32_FUNCTION(14, "DCMI_D3 PSSI_D3 DCMIPP_D3"),
		STM32_FUNCTION(15, "ETH3_RGMII_RX_CTL ETH3_RMII_CRS_DV"),
		STM32_FUNCTION(16, "EVENTOUT"),
		STM32_FUNCTION(17, "ANALOG")
	),
	STM32_PIN_PKG(
		PINCTRL_PIN(3, "PA3"),
		STM32MP_PKG_AI | STM32MP_PKG_AK | STM32MP_PKG_AL,
		STM32_FUNCTION(0, "GPIOA3"),
		STM32_FUNCTION(2, "LPTIM2_ETR"),
		STM32_FUNCTION(3, "SPI7_MOSI"),
		STM32_FUNCTION(6, "MDF1_CKI7"),
		STM32_FUNCTION(7, "USART1_TX"),
		STM32_FUNCTION(9, "I3C1_SCL"),
		STM32_FUNCTION(10, "I2C7_SMBA"),
		STM32_FUNCTION(11, "I2C1_SCL"),
		STM32_FUNCTION(12, "LCD_B1"),
		STM32_FUNCTION(14, "DCMI_D2 PSSI_D2 DCMIPP_D2"),
		STM32_FUNCTION(15, "ETH3_RGMII_TX_CTL ETH3_RMII_TX_EN"),
		STM32_FUNCTION(16, "EVENTOUT"),
		STM32_FUNCTION(17, "ANALOG")
	),
	STM32_PIN_PKG(
		PINCTRL_PIN(4, "PA4"),
		STM32MP_PKG_AI | STM32MP_PKG_AK | STM32MP_PKG_AL,
		STM32_FUNCTION(0, "GPIOA4"),
		STM32_FUNCTION(7, "USART2_TX"),
		STM32_FUNCTION(8, "FDCAN2_TX"),
		STM32_FUNCTION(9, "TIM2_CH1"),
		STM32_FUNCTION(11, "LCD_R1"),
		STM32_FUNCTION(14, "ETH1_PTP_AUX_TS"),

Annotation

Implementation Notes