drivers/pinctrl/meson/pinctrl-amlogic-c3.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/meson/pinctrl-amlogic-c3.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/meson/pinctrl-amlogic-c3.c
Extension
.c
Size
34190 bytes
Lines
1109
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 OR MIT)
/*
 * Pin controller and GPIO driver for Amlogic C3 SoC.
 *
 * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
 * Author: Huqiang Qin <huqiang.qin@amlogic.com>
 */

#include <dt-bindings/gpio/amlogic-c3-gpio.h>
#include "pinctrl-meson.h"
#include "pinctrl-meson-axg-pmx.h"

static const struct pinctrl_pin_desc c3_periphs_pins[] = {
	MESON_PIN(GPIOE_0),
	MESON_PIN(GPIOE_1),
	MESON_PIN(GPIOE_2),
	MESON_PIN(GPIOE_3),
	MESON_PIN(GPIOE_4),
	MESON_PIN(GPIOB_0),
	MESON_PIN(GPIOB_1),
	MESON_PIN(GPIOB_2),
	MESON_PIN(GPIOB_3),
	MESON_PIN(GPIOB_4),
	MESON_PIN(GPIOB_5),
	MESON_PIN(GPIOB_6),
	MESON_PIN(GPIOB_7),
	MESON_PIN(GPIOB_8),
	MESON_PIN(GPIOB_9),
	MESON_PIN(GPIOB_10),
	MESON_PIN(GPIOB_11),
	MESON_PIN(GPIOB_12),
	MESON_PIN(GPIOB_13),
	MESON_PIN(GPIOB_14),
	MESON_PIN(GPIOC_0),
	MESON_PIN(GPIOC_1),
	MESON_PIN(GPIOC_2),
	MESON_PIN(GPIOC_3),
	MESON_PIN(GPIOC_4),
	MESON_PIN(GPIOC_5),
	MESON_PIN(GPIOC_6),
	MESON_PIN(GPIOX_0),
	MESON_PIN(GPIOX_1),
	MESON_PIN(GPIOX_2),
	MESON_PIN(GPIOX_3),
	MESON_PIN(GPIOX_4),
	MESON_PIN(GPIOX_5),
	MESON_PIN(GPIOX_6),
	MESON_PIN(GPIOX_7),
	MESON_PIN(GPIOX_8),
	MESON_PIN(GPIOX_9),
	MESON_PIN(GPIOX_10),
	MESON_PIN(GPIOX_11),
	MESON_PIN(GPIOX_12),
	MESON_PIN(GPIOX_13),
	MESON_PIN(GPIOD_0),
	MESON_PIN(GPIOD_1),
	MESON_PIN(GPIOD_2),
	MESON_PIN(GPIOD_3),
	MESON_PIN(GPIOD_4),
	MESON_PIN(GPIOD_5),
	MESON_PIN(GPIOD_6),
	MESON_PIN(GPIOA_0),
	MESON_PIN(GPIOA_1),
	MESON_PIN(GPIOA_2),
	MESON_PIN(GPIOA_3),
	MESON_PIN(GPIOA_4),
	MESON_PIN(GPIOA_5),
	MESON_PIN(GPIO_TEST_N),
};

/* Bank E func1 */
static const unsigned int pwm_a_pins[]			= { GPIOE_0 };
static const unsigned int pwm_b_pins[]			= { GPIOE_1 };
static const unsigned int i2c2_sda_pins[]		= { GPIOE_2 };
static const unsigned int i2c2_scl_pins[]		= { GPIOE_3 };
static const unsigned int gen_clk_e_pins[]		= { GPIOE_4 };

/* Bank E func2 */
static const unsigned int i2c0_sda_e_pins[]		= { GPIOE_0 };
static const unsigned int i2c0_scl_e_pins[]		= { GPIOE_1 };
static const unsigned int clk_32k_in_pins[]		= { GPIOE_4 };

/* Bank E func3 */
static const unsigned int i2c_slave_scl_pins[]		= { GPIOE_0 };
static const unsigned int i2c_slave_sda_pins[]		= { GPIOE_1 };
static const unsigned int clk12_24_e_pins[]		= { GPIOE_4 };

/* Bank B func1 */
static const unsigned int emmc_nand_d0_pins[]		= { GPIOB_0 };
static const unsigned int emmc_nand_d1_pins[]		= { GPIOB_1 };

Annotation

Implementation Notes