drivers/pinctrl/freescale/pinctrl-imx1.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/freescale/pinctrl-imx1.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/freescale/pinctrl-imx1.c
Extension
.c
Size
9134 bytes
Lines
269
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+
//
// i.MX1 pinctrl driver based on imx pinmux core
//
// Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>

#include <linux/init.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-imx1.h"

#define PAD_ID(port, pin)	((port) * 32 + (pin))
#define IMX1_PA	0
#define IMX1_PB	1
#define IMX1_PC	2
#define IMX1_PD	3

enum imx1_pads {
	MX1_PAD_A24		= PAD_ID(IMX1_PA, 0),
	MX1_PAD_TIN		= PAD_ID(IMX1_PA, 1),
	MX1_PAD_PWMO		= PAD_ID(IMX1_PA, 2),
	MX1_PAD_CSI_MCLK	= PAD_ID(IMX1_PA, 3),
	MX1_PAD_CSI_D0		= PAD_ID(IMX1_PA, 4),
	MX1_PAD_CSI_D1		= PAD_ID(IMX1_PA, 5),
	MX1_PAD_CSI_D2		= PAD_ID(IMX1_PA, 6),
	MX1_PAD_CSI_D3		= PAD_ID(IMX1_PA, 7),
	MX1_PAD_CSI_D4		= PAD_ID(IMX1_PA, 8),
	MX1_PAD_CSI_D5		= PAD_ID(IMX1_PA, 9),
	MX1_PAD_CSI_D6		= PAD_ID(IMX1_PA, 10),
	MX1_PAD_CSI_D7		= PAD_ID(IMX1_PA, 11),
	MX1_PAD_CSI_VSYNC	= PAD_ID(IMX1_PA, 12),
	MX1_PAD_CSI_HSYNC	= PAD_ID(IMX1_PA, 13),
	MX1_PAD_CSI_PIXCLK	= PAD_ID(IMX1_PA, 14),
	MX1_PAD_I2C_SDA		= PAD_ID(IMX1_PA, 15),
	MX1_PAD_I2C_SCL		= PAD_ID(IMX1_PA, 16),
	MX1_PAD_DTACK		= PAD_ID(IMX1_PA, 17),
	MX1_PAD_BCLK		= PAD_ID(IMX1_PA, 18),
	MX1_PAD_LBA		= PAD_ID(IMX1_PA, 19),
	MX1_PAD_ECB		= PAD_ID(IMX1_PA, 20),
	MX1_PAD_A0		= PAD_ID(IMX1_PA, 21),
	MX1_PAD_CS4		= PAD_ID(IMX1_PA, 22),
	MX1_PAD_CS5		= PAD_ID(IMX1_PA, 23),
	MX1_PAD_A16		= PAD_ID(IMX1_PA, 24),
	MX1_PAD_A17		= PAD_ID(IMX1_PA, 25),
	MX1_PAD_A18		= PAD_ID(IMX1_PA, 26),
	MX1_PAD_A19		= PAD_ID(IMX1_PA, 27),
	MX1_PAD_A20		= PAD_ID(IMX1_PA, 28),
	MX1_PAD_A21		= PAD_ID(IMX1_PA, 29),
	MX1_PAD_A22		= PAD_ID(IMX1_PA, 30),
	MX1_PAD_A23		= PAD_ID(IMX1_PA, 31),
	MX1_PAD_SD_DAT0		= PAD_ID(IMX1_PB, 8),
	MX1_PAD_SD_DAT1		= PAD_ID(IMX1_PB, 9),
	MX1_PAD_SD_DAT2		= PAD_ID(IMX1_PB, 10),
	MX1_PAD_SD_DAT3		= PAD_ID(IMX1_PB, 11),
	MX1_PAD_SD_SCLK		= PAD_ID(IMX1_PB, 12),
	MX1_PAD_SD_CMD		= PAD_ID(IMX1_PB, 13),
	MX1_PAD_SIM_SVEN	= PAD_ID(IMX1_PB, 14),
	MX1_PAD_SIM_PD		= PAD_ID(IMX1_PB, 15),
	MX1_PAD_SIM_TX		= PAD_ID(IMX1_PB, 16),
	MX1_PAD_SIM_RX		= PAD_ID(IMX1_PB, 17),
	MX1_PAD_SIM_RST		= PAD_ID(IMX1_PB, 18),
	MX1_PAD_SIM_CLK		= PAD_ID(IMX1_PB, 19),
	MX1_PAD_USBD_AFE	= PAD_ID(IMX1_PB, 20),
	MX1_PAD_USBD_OE		= PAD_ID(IMX1_PB, 21),
	MX1_PAD_USBD_RCV	= PAD_ID(IMX1_PB, 22),
	MX1_PAD_USBD_SUSPND	= PAD_ID(IMX1_PB, 23),
	MX1_PAD_USBD_VP		= PAD_ID(IMX1_PB, 24),
	MX1_PAD_USBD_VM		= PAD_ID(IMX1_PB, 25),
	MX1_PAD_USBD_VPO	= PAD_ID(IMX1_PB, 26),
	MX1_PAD_USBD_VMO	= PAD_ID(IMX1_PB, 27),
	MX1_PAD_UART2_CTS	= PAD_ID(IMX1_PB, 28),
	MX1_PAD_UART2_RTS	= PAD_ID(IMX1_PB, 29),
	MX1_PAD_UART2_TXD	= PAD_ID(IMX1_PB, 30),
	MX1_PAD_UART2_RXD	= PAD_ID(IMX1_PB, 31),
	MX1_PAD_SSI_RXFS	= PAD_ID(IMX1_PC, 3),
	MX1_PAD_SSI_RXCLK	= PAD_ID(IMX1_PC, 4),
	MX1_PAD_SSI_RXDAT	= PAD_ID(IMX1_PC, 5),
	MX1_PAD_SSI_TXDAT	= PAD_ID(IMX1_PC, 6),
	MX1_PAD_SSI_TXFS	= PAD_ID(IMX1_PC, 7),
	MX1_PAD_SSI_TXCLK	= PAD_ID(IMX1_PC, 8),
	MX1_PAD_UART1_CTS	= PAD_ID(IMX1_PC, 9),
	MX1_PAD_UART1_RTS	= PAD_ID(IMX1_PC, 10),
	MX1_PAD_UART1_TXD	= PAD_ID(IMX1_PC, 11),
	MX1_PAD_UART1_RXD	= PAD_ID(IMX1_PC, 12),
	MX1_PAD_SPI1_RDY	= PAD_ID(IMX1_PC, 13),
	MX1_PAD_SPI1_SCLK	= PAD_ID(IMX1_PC, 14),
	MX1_PAD_SPI1_SS		= PAD_ID(IMX1_PC, 15),
	MX1_PAD_SPI1_MISO	= PAD_ID(IMX1_PC, 16),

Annotation

Implementation Notes