drivers/pinctrl/vt8500/pinctrl-wm8850.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/vt8500/pinctrl-wm8850.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/vt8500/pinctrl-wm8850.c
Extension
.c
Size
11468 bytes
Lines
367
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
/*
 * Pinctrl data for Wondermedia WM8850 SoC
 *
 * Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
 */

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

#include "pinctrl-wmt.h"

/*
 * Describe the register offsets within the GPIO memory space
 * The dedicated external GPIO's should always be listed in bank 0
 * so they are exported in the 0..31 range which is what users
 * expect.
 *
 * Do not reorder these banks as it will change the pin numbering
 */
static const struct wmt_pinctrl_bank_registers wm8850_banks[] = {
	WMT_PINCTRL_BANK(0x40, 0x80, 0xC0, 0x00, 0x480, 0x4C0),		/* 0 */
	WMT_PINCTRL_BANK(0x44, 0x84, 0xC4, 0x04, 0x484, 0x4C4),		/* 1 */
	WMT_PINCTRL_BANK(0x48, 0x88, 0xC8, 0x08, 0x488, 0x4C8),		/* 2 */
	WMT_PINCTRL_BANK(0x4C, 0x8C, 0xCC, 0x0C, 0x48C, 0x4CC),		/* 3 */
	WMT_PINCTRL_BANK(0x50, 0x90, 0xD0, 0x10, 0x490, 0x4D0),		/* 4 */
	WMT_PINCTRL_BANK(0x54, 0x94, 0xD4, 0x14, 0x494, 0x4D4),		/* 5 */
	WMT_PINCTRL_BANK(0x58, 0x98, 0xD8, 0x18, 0x498, 0x4D8),		/* 6 */
	WMT_PINCTRL_BANK(0x5C, 0x9C, 0xDC, 0x1C, 0x49C, 0x4DC),		/* 7 */
	WMT_PINCTRL_BANK(0x60, 0xA0, 0xE0, 0x20, 0x4A0, 0x4E0),		/* 8 */
	WMT_PINCTRL_BANK(0x70, 0xB0, 0xF0, 0x30, 0x4B0, 0x4F0),		/* 9 */
	WMT_PINCTRL_BANK(0x7C, 0xBC, 0xDC, 0x3C, 0x4BC, 0x4FC),		/* 10 */
};

/* Please keep sorted by bank/bit */
#define WMT_PIN_EXTGPIO0	WMT_PIN(0, 0)
#define WMT_PIN_EXTGPIO1	WMT_PIN(0, 1)
#define WMT_PIN_EXTGPIO2	WMT_PIN(0, 2)
#define WMT_PIN_EXTGPIO3	WMT_PIN(0, 3)
#define WMT_PIN_EXTGPIO4	WMT_PIN(0, 4)
#define WMT_PIN_EXTGPIO5	WMT_PIN(0, 5)
#define WMT_PIN_EXTGPIO6	WMT_PIN(0, 6)
#define WMT_PIN_EXTGPIO7	WMT_PIN(0, 7)
#define WMT_PIN_WAKEUP0		WMT_PIN(0, 16)
#define WMT_PIN_WAKEUP1		WMT_PIN(0, 17)
#define WMT_PIN_WAKEUP2		WMT_PIN(0, 18)
#define WMT_PIN_WAKEUP3		WMT_PIN(0, 19)
#define WMT_PIN_SUSGPIO0	WMT_PIN(0, 21)
#define WMT_PIN_SUSGPIO1	WMT_PIN(0, 22)
#define WMT_PIN_SD0CD		WMT_PIN(0, 28)
#define WMT_PIN_VDOUT0		WMT_PIN(1, 0)
#define WMT_PIN_VDOUT1		WMT_PIN(1, 1)
#define WMT_PIN_VDOUT2		WMT_PIN(1, 2)
#define WMT_PIN_VDOUT3		WMT_PIN(1, 3)
#define WMT_PIN_VDOUT4		WMT_PIN(1, 4)
#define WMT_PIN_VDOUT5		WMT_PIN(1, 5)
#define WMT_PIN_VDOUT6		WMT_PIN(1, 6)
#define WMT_PIN_VDOUT7		WMT_PIN(1, 7)
#define WMT_PIN_VDOUT8		WMT_PIN(1, 8)
#define WMT_PIN_VDOUT9		WMT_PIN(1, 9)
#define WMT_PIN_VDOUT10		WMT_PIN(1, 10)
#define WMT_PIN_VDOUT11		WMT_PIN(1, 11)
#define WMT_PIN_VDOUT12		WMT_PIN(1, 12)
#define WMT_PIN_VDOUT13		WMT_PIN(1, 13)
#define WMT_PIN_VDOUT14		WMT_PIN(1, 14)
#define WMT_PIN_VDOUT15		WMT_PIN(1, 15)
#define WMT_PIN_VDOUT16		WMT_PIN(1, 16)
#define WMT_PIN_VDOUT17		WMT_PIN(1, 17)
#define WMT_PIN_VDOUT18		WMT_PIN(1, 18)
#define WMT_PIN_VDOUT19		WMT_PIN(1, 19)
#define WMT_PIN_VDOUT20		WMT_PIN(1, 20)
#define WMT_PIN_VDOUT21		WMT_PIN(1, 21)
#define WMT_PIN_VDOUT22		WMT_PIN(1, 22)
#define WMT_PIN_VDOUT23		WMT_PIN(1, 23)
#define WMT_PIN_VDIN0		WMT_PIN(2, 0)
#define WMT_PIN_VDIN1		WMT_PIN(2, 1)
#define WMT_PIN_VDIN2		WMT_PIN(2, 2)
#define WMT_PIN_VDIN3		WMT_PIN(2, 3)
#define WMT_PIN_VDIN4		WMT_PIN(2, 4)
#define WMT_PIN_VDIN5		WMT_PIN(2, 5)
#define WMT_PIN_VDIN6		WMT_PIN(2, 6)
#define WMT_PIN_VDIN7		WMT_PIN(2, 7)
#define WMT_PIN_SPI0_MOSI	WMT_PIN(2, 24)
#define WMT_PIN_SPI0_MISO	WMT_PIN(2, 25)
#define WMT_PIN_SPI0_SS		WMT_PIN(2, 26)
#define WMT_PIN_SPI0_CLK	WMT_PIN(2, 27)
#define WMT_PIN_SPI0_SSB	WMT_PIN(2, 28)

Annotation

Implementation Notes