drivers/pinctrl/intel/pinctrl-lakefield.c

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

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/intel/pinctrl-lakefield.c
Extension
.c
Size
12210 bytes
Lines
357
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 Lakefield PCH pinctrl/GPIO driver
 *
 * Copyright (C) 2020 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 LKF_PAD_OWN	0x020
#define LKF_PADCFGLOCK	0x070
#define LKF_HOSTSW_OWN	0x090
#define LKF_GPI_IS	0x100
#define LKF_GPI_IE	0x110

#define LKF_COMMUNITY(b, s, e, g)			\
	INTEL_COMMUNITY_GPPS(b, s, e, g, LKF)

/* Lakefield */
static const struct pinctrl_pin_desc lkf_pins[] = {
	/* EAST */
	PINCTRL_PIN(0, "MDSI_A_TE0"),
	PINCTRL_PIN(1, "MDSI_A_TE1"),
	PINCTRL_PIN(2, "PANEL0_AVDD_EN"),
	PINCTRL_PIN(3, "PANEL0_BKLTEN"),
	PINCTRL_PIN(4, "PANEL0_BKLTCTL"),
	PINCTRL_PIN(5, "PANEL1_AVDD_EN"),
	PINCTRL_PIN(6, "PANEL1_BKLTEN"),
	PINCTRL_PIN(7, "PANEL1_BKLTCTL"),
	PINCTRL_PIN(8, "THC0_SPI1_IO_0"),
	PINCTRL_PIN(9, "THC0_SPI1_IO_1"),
	PINCTRL_PIN(10, "THC0_SPI1_IO_2"),
	PINCTRL_PIN(11, "THC0_SPI1_IO_3"),
	PINCTRL_PIN(12, "THC0_SPI1_CSB"),
	PINCTRL_PIN(13, "THC0_SPI1_CLK"),
	PINCTRL_PIN(14, "THC0_SPI1_RESETB"),
	PINCTRL_PIN(15, "THC0_SPI1_CLK_FB"),
	PINCTRL_PIN(16, "SPI_TOUCH_CLK_FB"),
	PINCTRL_PIN(17, "THC1_SPI2_IO_0"),
	PINCTRL_PIN(18, "THC1_SPI2_IO_1"),
	PINCTRL_PIN(19, "THC1_SPI2_IO_2"),
	PINCTRL_PIN(20, "THC1_SPI2_IO_3"),
	PINCTRL_PIN(21, "THC1_SPI2_CSB"),
	PINCTRL_PIN(22, "THC1_SPI2_CLK"),
	PINCTRL_PIN(23, "THC1_SPI2_RESETB"),
	PINCTRL_PIN(24, "THC1_SPI2_CLK_FB"),
	PINCTRL_PIN(25, "eSPI_IO_0"),
	PINCTRL_PIN(26, "eSPI_IO_1"),
	PINCTRL_PIN(27, "eSPI_IO_2"),
	PINCTRL_PIN(28, "eSPI_IO_3"),
	PINCTRL_PIN(29, "eSPI_CSB"),
	PINCTRL_PIN(30, "eSPI_RESETB"),
	PINCTRL_PIN(31, "eSPI_CLK"),
	PINCTRL_PIN(32, "eSPI_CLK_FB"),
	PINCTRL_PIN(33, "FAST_SPI0_IO_0"),
	PINCTRL_PIN(34, "FAST_SPI0_IO_1"),
	PINCTRL_PIN(35, "FAST_SPI0_IO_2"),
	PINCTRL_PIN(36, "FAST_SPI0_IO_3"),
	PINCTRL_PIN(37, "FAST_SPI0_CSB_0"),
	PINCTRL_PIN(38, "FAST_SPI0_CSB_2"),
	PINCTRL_PIN(39, "FAST_SPI0_CLK"),
	PINCTRL_PIN(40, "FAST_SPI_CLK_FB"),
	PINCTRL_PIN(41, "FAST_SPI0_CSB_1"),
	PINCTRL_PIN(42, "ISH_GP_12"),
	PINCTRL_PIN(43, "THC0_SPI1_INTB"),
	PINCTRL_PIN(44, "THC1_SPI2_INTB"),
	PINCTRL_PIN(45, "PANEL0_AVEE_EN"),
	PINCTRL_PIN(46, "PANEL0_VIO_EN"),
	PINCTRL_PIN(47, "PANEL1_AVEE_EN"),
	PINCTRL_PIN(48, "PANEL1_VIO_EN"),
	PINCTRL_PIN(49, "PANEL0_RESET"),
	PINCTRL_PIN(50, "PANEL1_RESET"),
	PINCTRL_PIN(51, "ISH_GP_15"),
	PINCTRL_PIN(52, "ISH_GP_16"),
	PINCTRL_PIN(53, "ISH_GP_17"),
	PINCTRL_PIN(54, "ISH_GP_18"),
	PINCTRL_PIN(55, "ISH_GP_19"),
	PINCTRL_PIN(56, "ISH_GP_20"),
	PINCTRL_PIN(57, "ISH_GP_21"),
	PINCTRL_PIN(58, "ISH_GP_22"),
	PINCTRL_PIN(59, "ISH_GP_23"),
	/* NORTHWEST */

Annotation

Implementation Notes