drivers/pinctrl/mvebu/pinctrl-ac5.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/mvebu/pinctrl-ac5.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/mvebu/pinctrl-ac5.c
Extension
.c
Size
7672 bytes
Lines
261
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-or-later
/*
 * Marvell ac5 pinctrl driver based on mvebu pinctrl core
 *
 * Copyright (C) 2021 Marvell
 *
 * Noam Liron <lnoam@marvell.com>
 */

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

#include "pinctrl-mvebu.h"

static struct mvebu_mpp_mode ac5_mpp_modes[] = {
	MPP_MODE(0,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d0"),
		 MPP_FUNCTION(2, "nand",  "io4")),
	MPP_MODE(1,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d1"),
		 MPP_FUNCTION(2, "nand",  "io3")),
	MPP_MODE(2,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d2"),
		 MPP_FUNCTION(2, "nand",  "io2")),
	MPP_MODE(3,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d3"),
		 MPP_FUNCTION(2, "nand",  "io7")),
	MPP_MODE(4,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d4"),
		 MPP_FUNCTION(2, "nand",  "io6"),
		 MPP_FUNCTION(3, "uart3", "txd"),
		 MPP_FUNCTION(4, "uart2", "txd")),
	MPP_MODE(5,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d5"),
		 MPP_FUNCTION(2, "nand",  "io5"),
		 MPP_FUNCTION(3, "uart3", "rxd"),
		 MPP_FUNCTION(4, "uart2", "rxd")),
	MPP_MODE(6,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d6"),
		 MPP_FUNCTION(2, "nand",  "io0"),
		 MPP_FUNCTION(3, "i2c1",  "sck")),
	MPP_MODE(7,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "d7"),
		 MPP_FUNCTION(2, "nand",  "io1"),
		 MPP_FUNCTION(3, "i2c1",  "sda")),
	MPP_MODE(8,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "clk"),
		 MPP_FUNCTION(2, "nand",  "wen")),
	MPP_MODE(9,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "cmd"),
		 MPP_FUNCTION(2, "nand",  "ale")),
	MPP_MODE(10,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "ds"),
		 MPP_FUNCTION(2, "nand",  "cle")),
	MPP_MODE(11,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "sdio",  "rst"),
		 MPP_FUNCTION(2, "nand",  "cen")),
	MPP_MODE(12,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "spi0",  "clk")),
	MPP_MODE(13,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "spi0",  "csn")),
	MPP_MODE(14,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "spi0",  "mosi")),
	MPP_MODE(15,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "spi0",  "miso")),
	MPP_MODE(16,
		 MPP_FUNCTION(0, "gpio",  NULL),
		 MPP_FUNCTION(1, "spi0",  "wpn"),
		 MPP_FUNCTION(2, "nand",  "ren"),
		 MPP_FUNCTION(3, "uart1", "txd")),

Annotation

Implementation Notes