drivers/pinctrl/intel/pinctrl-alderlake.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/intel/pinctrl-alderlake.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/intel/pinctrl-alderlake.c
Extension
.c
Size
23701 bytes
Lines
743
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
/*
 * Intel Alder Lake PCH pinctrl/GPIO driver
 *
 * Copyright (C) 2020-2022 Intel Corporation
 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 */

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm.h>

#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-intel.h"

#define ADL_N_PAD_OWN		0x020
#define ADL_N_PADCFGLOCK	0x080
#define ADL_N_HOSTSW_OWN	0x0b0
#define ADL_N_GPI_IS		0x100
#define ADL_N_GPI_IE		0x120

#define ADL_S_PAD_OWN		0x0a0
#define ADL_S_PADCFGLOCK	0x110
#define ADL_S_HOSTSW_OWN	0x150
#define ADL_S_GPI_IS		0x200
#define ADL_S_GPI_IE		0x220

#define ADL_N_COMMUNITY(b, s, e, g)			\
	INTEL_COMMUNITY_GPPS(b, s, e, g, ADL_N)

#define ADL_S_COMMUNITY(b, s, e, g)			\
	INTEL_COMMUNITY_GPPS(b, s, e, g, ADL_S)

/* Alder Lake-N */
static const struct pinctrl_pin_desc adln_pins[] = {
	/* GPP_B */
	PINCTRL_PIN(0, "CORE_VID_0"),
	PINCTRL_PIN(1, "CORE_VID_1"),
	PINCTRL_PIN(2, "GPPC_B_2"),
	PINCTRL_PIN(3, "GPPC_B_3"),
	PINCTRL_PIN(4, "GPPC_B_4"),
	PINCTRL_PIN(5, "GPPC_B_5"),
	PINCTRL_PIN(6, "GPPC_B_6"),
	PINCTRL_PIN(7, "GPPC_B_7"),
	PINCTRL_PIN(8, "GPPC_B_8"),
	PINCTRL_PIN(9, "GPPC_B_9"),
	PINCTRL_PIN(10, "GPPC_B_10"),
	PINCTRL_PIN(11, "GPPC_B_11"),
	PINCTRL_PIN(12, "SLP_S0B"),
	PINCTRL_PIN(13, "PLTRSTB"),
	PINCTRL_PIN(14, "GPPC_B_14"),
	PINCTRL_PIN(15, "GPPC_B_15"),
	PINCTRL_PIN(16, "GPPC_B_16"),
	PINCTRL_PIN(17, "GPPC_B_17"),
	PINCTRL_PIN(18, "GPPC_B_18"),
	PINCTRL_PIN(19, "GPPC_B_19"),
	PINCTRL_PIN(20, "GPPC_B_20"),
	PINCTRL_PIN(21, "GPPC_B_21"),
	PINCTRL_PIN(22, "GPPC_B_22"),
	PINCTRL_PIN(23, "GPPC_B_23"),
	PINCTRL_PIN(24, "GSPI0_CLK_LOOPBK"),
	PINCTRL_PIN(25, "GSPI1_CLK_LOOPBK"),
	/* GPP_T */
	PINCTRL_PIN(26, "GPPC_T_0"),
	PINCTRL_PIN(27, "GPPC_T_1"),
	PINCTRL_PIN(28, "FUSA_DIAGTEST_EN"),
	PINCTRL_PIN(29, "FUSA_DIAGTEST_MODE"),
	PINCTRL_PIN(30, "GPPC_T_4"),
	PINCTRL_PIN(31, "GPPC_T_5"),
	PINCTRL_PIN(32, "GPPC_T_6"),
	PINCTRL_PIN(33, "GPPC_T_7"),
	PINCTRL_PIN(34, "GPPC_T_8"),
	PINCTRL_PIN(35, "GPPC_T_9"),
	PINCTRL_PIN(36, "GPPC_T_10"),
	PINCTRL_PIN(37, "GPPC_T_11"),
	PINCTRL_PIN(38, "GPPC_T_12"),
	PINCTRL_PIN(39, "GPPC_T_13"),
	PINCTRL_PIN(40, "GPPC_T_14"),
	PINCTRL_PIN(41, "GPPC_T_15"),
	/* GPP_A */
	PINCTRL_PIN(42, "ESPI_IO_0"),
	PINCTRL_PIN(43, "ESPI_IO_1"),
	PINCTRL_PIN(44, "ESPI_IO_2"),
	PINCTRL_PIN(45, "ESPI_IO_3"),
	PINCTRL_PIN(46, "ESPI_CS0B"),
	PINCTRL_PIN(47, "ESPI_ALERT0B"),
	PINCTRL_PIN(48, "ESPI_ALERT1B"),
	PINCTRL_PIN(49, "GPPC_A_7"),

Annotation

Implementation Notes