drivers/pinctrl/qcom/pinctrl-sdm670-lpass-lpi.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/qcom/pinctrl-sdm670-lpass-lpi.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/qcom/pinctrl-sdm670-lpass-lpi.c
Extension
.c
Size
5711 bytes
Lines
174
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) 2023-2026, Richard Acayan. All rights reserved.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_clock.h>
#include <linux/pm_runtime.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-lpass-lpi.h"

enum lpass_lpi_functions {
	LPI_MUX_comp_rx,
	LPI_MUX_dmic1_clk,
	LPI_MUX_dmic1_data,
	LPI_MUX_dmic2_clk,
	LPI_MUX_dmic2_data,
	LPI_MUX_i2s1_clk,
	LPI_MUX_i2s1_data,
	LPI_MUX_i2s1_ws,
	LPI_MUX_lpi_cdc_rst,
	LPI_MUX_mclk0,
	LPI_MUX_pdm_rx,
	LPI_MUX_pdm_sync,
	LPI_MUX_pdm_tx,
	LPI_MUX_slimbus_clk,
	LPI_MUX_gpio,
	LPI_MUX__,
};

static const struct pinctrl_pin_desc sdm670_lpi_pinctrl_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"),
	PINCTRL_PIN(23, "gpio23"),
	PINCTRL_PIN(24, "gpio24"),
	PINCTRL_PIN(25, "gpio25"),
	PINCTRL_PIN(26, "gpio26"),
	PINCTRL_PIN(27, "gpio27"),
	PINCTRL_PIN(28, "gpio28"),
	PINCTRL_PIN(29, "gpio29"),
	PINCTRL_PIN(30, "gpio30"),
	PINCTRL_PIN(31, "gpio31"),
};

static const char * const comp_rx_groups[] = { "gpio22", "gpio24" };
static const char * const dmic1_clk_groups[] = { "gpio26" };
static const char * const dmic1_data_groups[] = { "gpio27" };
static const char * const dmic2_clk_groups[] = { "gpio28" };
static const char * const dmic2_data_groups[] = { "gpio29" };
static const char * const i2s1_clk_groups[] = { "gpio8" };
static const char * const i2s1_ws_groups[] = { "gpio9" };
static const char * const i2s1_data_groups[] = { "gpio10", "gpio11" };
static const char * const lpi_cdc_rst_groups[] = { "gpio29" };
static const char * const mclk0_groups[] = { "gpio19" };
static const char * const pdm_rx_groups[] = { "gpio21", "gpio23", "gpio25" };
static const char * const pdm_sync_groups[] = { "gpio19" };
static const char * const pdm_tx_groups[] = { "gpio20" };
static const char * const slimbus_clk_groups[] = { "gpio18" };

static const struct lpi_pingroup sdm670_lpi_pinctrl_groups[] = {
	LPI_PINGROUP(0, LPI_NO_SLEW, _, _, _, _),
	LPI_PINGROUP(1, LPI_NO_SLEW, _, _, _, _),
	LPI_PINGROUP(2, LPI_NO_SLEW, _, _, _, _),
	LPI_PINGROUP(3, LPI_NO_SLEW, _, _, _, _),
	LPI_PINGROUP(4, LPI_NO_SLEW, _, _, _, _),

Annotation

Implementation Notes