drivers/pinctrl/freescale/pinctrl-imx27.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/freescale/pinctrl-imx27.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/freescale/pinctrl-imx27.c
Extension
.c
Size
14554 bytes
Lines
410
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+
//
// imx27 pinctrl driver based on imx pinmux core
//
// Copyright (C) 2013 Pengutronix
//
// Author: Markus Pargmann <mpa@pengutronix.de>

#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-imx1.h"

#define PAD_ID(port, pin) (port*32 + pin)
#define MX27_PA 0
#define MX27_PB 1
#define MX27_PC 2
#define MX27_PD 3
#define MX27_PE 4
#define MX27_PF 5

enum imx27_pads {
	MX27_PAD_USBH2_CLK = PAD_ID(MX27_PA, 0),
	MX27_PAD_USBH2_DIR = PAD_ID(MX27_PA, 1),
	MX27_PAD_USBH2_DATA7 = PAD_ID(MX27_PA, 2),
	MX27_PAD_USBH2_NXT = PAD_ID(MX27_PA, 3),
	MX27_PAD_USBH2_STP = PAD_ID(MX27_PA, 4),
	MX27_PAD_LSCLK = PAD_ID(MX27_PA, 5),
	MX27_PAD_LD0 = PAD_ID(MX27_PA, 6),
	MX27_PAD_LD1 = PAD_ID(MX27_PA, 7),
	MX27_PAD_LD2 = PAD_ID(MX27_PA, 8),
	MX27_PAD_LD3 = PAD_ID(MX27_PA, 9),
	MX27_PAD_LD4 = PAD_ID(MX27_PA, 10),
	MX27_PAD_LD5 = PAD_ID(MX27_PA, 11),
	MX27_PAD_LD6 = PAD_ID(MX27_PA, 12),
	MX27_PAD_LD7 = PAD_ID(MX27_PA, 13),
	MX27_PAD_LD8 = PAD_ID(MX27_PA, 14),
	MX27_PAD_LD9 = PAD_ID(MX27_PA, 15),
	MX27_PAD_LD10 = PAD_ID(MX27_PA, 16),
	MX27_PAD_LD11 = PAD_ID(MX27_PA, 17),
	MX27_PAD_LD12 = PAD_ID(MX27_PA, 18),
	MX27_PAD_LD13 = PAD_ID(MX27_PA, 19),
	MX27_PAD_LD14 = PAD_ID(MX27_PA, 20),
	MX27_PAD_LD15 = PAD_ID(MX27_PA, 21),
	MX27_PAD_LD16 = PAD_ID(MX27_PA, 22),
	MX27_PAD_LD17 = PAD_ID(MX27_PA, 23),
	MX27_PAD_REV = PAD_ID(MX27_PA, 24),
	MX27_PAD_CLS = PAD_ID(MX27_PA, 25),
	MX27_PAD_PS = PAD_ID(MX27_PA, 26),
	MX27_PAD_SPL_SPR = PAD_ID(MX27_PA, 27),
	MX27_PAD_HSYNC = PAD_ID(MX27_PA, 28),
	MX27_PAD_VSYNC = PAD_ID(MX27_PA, 29),
	MX27_PAD_CONTRAST = PAD_ID(MX27_PA, 30),
	MX27_PAD_OE_ACD = PAD_ID(MX27_PA, 31),

	MX27_PAD_SD2_D0 = PAD_ID(MX27_PB, 4),
	MX27_PAD_SD2_D1 = PAD_ID(MX27_PB, 5),
	MX27_PAD_SD2_D2 = PAD_ID(MX27_PB, 6),
	MX27_PAD_SD2_D3 = PAD_ID(MX27_PB, 7),
	MX27_PAD_SD2_CMD = PAD_ID(MX27_PB, 8),
	MX27_PAD_SD2_CLK = PAD_ID(MX27_PB, 9),
	MX27_PAD_CSI_D0 = PAD_ID(MX27_PB, 10),
	MX27_PAD_CSI_D1 = PAD_ID(MX27_PB, 11),
	MX27_PAD_CSI_D2 = PAD_ID(MX27_PB, 12),
	MX27_PAD_CSI_D3 = PAD_ID(MX27_PB, 13),
	MX27_PAD_CSI_D4 = PAD_ID(MX27_PB, 14),
	MX27_PAD_CSI_MCLK = PAD_ID(MX27_PB, 15),
	MX27_PAD_CSI_PIXCLK = PAD_ID(MX27_PB, 16),
	MX27_PAD_CSI_D5 = PAD_ID(MX27_PB, 17),
	MX27_PAD_CSI_D6 = PAD_ID(MX27_PB, 18),
	MX27_PAD_CSI_D7 = PAD_ID(MX27_PB, 19),
	MX27_PAD_CSI_VSYNC = PAD_ID(MX27_PB, 20),
	MX27_PAD_CSI_HSYNC = PAD_ID(MX27_PB, 21),
	MX27_PAD_USBH1_SUSP = PAD_ID(MX27_PB, 22),
	MX27_PAD_USB_PWR = PAD_ID(MX27_PB, 23),
	MX27_PAD_USB_OC_B = PAD_ID(MX27_PB, 24),
	MX27_PAD_USBH1_RCV = PAD_ID(MX27_PB, 25),
	MX27_PAD_USBH1_FS = PAD_ID(MX27_PB, 26),
	MX27_PAD_USBH1_OE_B = PAD_ID(MX27_PB, 27),
	MX27_PAD_USBH1_TXDM = PAD_ID(MX27_PB, 28),
	MX27_PAD_USBH1_TXDP = PAD_ID(MX27_PB, 29),
	MX27_PAD_USBH1_RXDM = PAD_ID(MX27_PB, 30),
	MX27_PAD_USBH1_RXDP = PAD_ID(MX27_PB, 31),

	MX27_PAD_I2C2_SDA = PAD_ID(MX27_PC, 5),
	MX27_PAD_I2C2_SCL = PAD_ID(MX27_PC, 6),

Annotation

Implementation Notes