drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c
Extension
.c
Size
7930 bytes
Lines
232
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
/*
 * Copyright (c) 2022-2023 Linaro Ltd.
 */

#include <linux/gpio/driver.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_clock.h>
#include <linux/pm_runtime.h>

#include "pinctrl-lpass-lpi.h"

enum lpass_lpi_functions {
	LPI_MUX_dmic1_clk,
	LPI_MUX_dmic1_data,
	LPI_MUX_dmic2_clk,
	LPI_MUX_dmic2_data,
	LPI_MUX_dmic3_clk,
	LPI_MUX_dmic3_data,
	LPI_MUX_dmic4_clk,
	LPI_MUX_dmic4_data,
	LPI_MUX_i2s0_clk,
	LPI_MUX_i2s0_data,
	LPI_MUX_i2s0_ws,
	LPI_MUX_i2s1_clk,
	LPI_MUX_i2s1_data,
	LPI_MUX_i2s1_ws,
	LPI_MUX_i2s2_clk,
	LPI_MUX_i2s2_data,
	LPI_MUX_i2s2_ws,
	LPI_MUX_i2s3_clk,
	LPI_MUX_i2s3_data,
	LPI_MUX_i2s3_ws,
	LPI_MUX_i2s4_clk,
	LPI_MUX_i2s4_data,
	LPI_MUX_i2s4_ws,
	LPI_MUX_slimbus_clk,
	LPI_MUX_slimbus_data,
	LPI_MUX_swr_rx_clk,
	LPI_MUX_swr_rx_data,
	LPI_MUX_swr_tx_clk,
	LPI_MUX_swr_tx_data,
	LPI_MUX_wsa_swr_clk,
	LPI_MUX_wsa_swr_data,
	LPI_MUX_wsa2_swr_clk,
	LPI_MUX_wsa2_swr_data,
	LPI_MUX_ext_mclk1_a,
	LPI_MUX_ext_mclk1_b,
	LPI_MUX_ext_mclk1_c,
	LPI_MUX_ext_mclk1_d,
	LPI_MUX_ext_mclk1_e,
	LPI_MUX_gpio,
	LPI_MUX__,
};

static const struct pinctrl_pin_desc sm8550_lpi_pins[] = {
	PINCTRL_PIN(0, "gpio0"),
	PINCTRL_PIN(1, "gpio1"),
	PINCTRL_PIN(2, "gpio2"),
	PINCTRL_PIN(3, "gpio3"),
	PINCTRL_PIN(4, "gpio4"),
	PINCTRL_PIN(5, "gpio5"),
	PINCTRL_PIN(6, "gpio6"),
	PINCTRL_PIN(7, "gpio7"),
	PINCTRL_PIN(8, "gpio8"),
	PINCTRL_PIN(9, "gpio9"),
	PINCTRL_PIN(10, "gpio10"),
	PINCTRL_PIN(11, "gpio11"),
	PINCTRL_PIN(12, "gpio12"),
	PINCTRL_PIN(13, "gpio13"),
	PINCTRL_PIN(14, "gpio14"),
	PINCTRL_PIN(15, "gpio15"),
	PINCTRL_PIN(16, "gpio16"),
	PINCTRL_PIN(17, "gpio17"),
	PINCTRL_PIN(18, "gpio18"),
	PINCTRL_PIN(19, "gpio19"),
	PINCTRL_PIN(20, "gpio20"),
	PINCTRL_PIN(21, "gpio21"),
	PINCTRL_PIN(22, "gpio22"),
};

static const char * const gpio_groups[] = {
	"gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
	"gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
	"gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
	"gpio22",
};

static const char * const dmic1_clk_groups[] = { "gpio6" };

Annotation

Implementation Notes