drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c
Source file repositories/reference/linux-study-clean/drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c
File Facts
- System
- Linux kernel
- Corpus path
drivers/pinctrl/uniphier/pinctrl-uniphier-nx1.c- Extension
.c- Size
- 20562 bytes
- Lines
- 490
- 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.
- 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.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/init.hlinux/kernel.hlinux/mod_devicetable.hlinux/pinctrl/pinctrl.hlinux/platform_device.hpinctrl-uniphier.h
Detected Declarations
function uniphier_nx1_get_gpio_muxvalfunction uniphier_nx1_pinctrl_probe
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0+
//
// Copyright (C) 2019 Socionext Inc.
// Author: Masahiro Yamada <yamada.masahiro@socionext.com>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include "pinctrl-uniphier.h"
static const struct pinctrl_pin_desc uniphier_nx1_pins[] = {
UNIPHIER_PINCTRL_PIN(0, "LPST", UNIPHIER_PIN_IECTRL_EXIST,
0, UNIPHIER_PIN_DRV_3BIT,
0, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(1, "SDCLK", UNIPHIER_PIN_IECTRL_EXIST,
12, UNIPHIER_PIN_DRV_2BIT,
1, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(2, "SDCMD", UNIPHIER_PIN_IECTRL_EXIST,
13, UNIPHIER_PIN_DRV_2BIT,
2, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(3, "SDDAT0", UNIPHIER_PIN_IECTRL_EXIST,
14, UNIPHIER_PIN_DRV_2BIT,
3, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(4, "SDDAT1", UNIPHIER_PIN_IECTRL_EXIST,
15, UNIPHIER_PIN_DRV_2BIT,
4, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(5, "SDDAT2", UNIPHIER_PIN_IECTRL_EXIST,
16, UNIPHIER_PIN_DRV_2BIT,
5, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(6, "SDDAT3", UNIPHIER_PIN_IECTRL_EXIST,
17, UNIPHIER_PIN_DRV_2BIT,
6, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(7, "SDCD", UNIPHIER_PIN_IECTRL_EXIST,
1, UNIPHIER_PIN_DRV_3BIT,
7, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(8, "SDWP", UNIPHIER_PIN_IECTRL_EXIST,
2, UNIPHIER_PIN_DRV_3BIT,
8, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(9, "SDVOLC", UNIPHIER_PIN_IECTRL_EXIST,
3, UNIPHIER_PIN_DRV_3BIT,
9, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(10, "XERST", UNIPHIER_PIN_IECTRL_EXIST,
0, UNIPHIER_PIN_DRV_2BIT,
10, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(11, "MDC", UNIPHIER_PIN_IECTRL_EXIST,
18, UNIPHIER_PIN_DRV_2BIT,
11, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(12, "MDIO", UNIPHIER_PIN_IECTRL_EXIST,
19, UNIPHIER_PIN_DRV_2BIT,
12, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(13, "MDIO_INTL", UNIPHIER_PIN_IECTRL_EXIST,
20, UNIPHIER_PIN_DRV_2BIT,
13, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(14, "PHYRSTL", UNIPHIER_PIN_IECTRL_EXIST,
-1, UNIPHIER_PIN_DRV_FIXED4,
-1, UNIPHIER_PIN_PULL_NONE),
UNIPHIER_PINCTRL_PIN(15, "RGMII_RXCLK", UNIPHIER_PIN_IECTRL_EXIST,
22, UNIPHIER_PIN_DRV_2BIT,
15, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(16, "RGMII_RXD0", UNIPHIER_PIN_IECTRL_EXIST,
23, UNIPHIER_PIN_DRV_2BIT,
16, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(17, "RGMII_RXD1", UNIPHIER_PIN_IECTRL_EXIST,
24, UNIPHIER_PIN_DRV_2BIT,
17, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(18, "RGMII_RXD2", UNIPHIER_PIN_IECTRL_EXIST,
25, UNIPHIER_PIN_DRV_2BIT,
18, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(19, "RGMII_RXD3", UNIPHIER_PIN_IECTRL_EXIST,
26, UNIPHIER_PIN_DRV_2BIT,
19, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(20, "RGMII_RXCTL", UNIPHIER_PIN_IECTRL_EXIST,
27, UNIPHIER_PIN_DRV_2BIT,
20, UNIPHIER_PIN_PULL_UP),
UNIPHIER_PINCTRL_PIN(21, "RGMII_TXCLK", UNIPHIER_PIN_IECTRL_EXIST,
28, UNIPHIER_PIN_DRV_2BIT,
21, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(22, "RGMII_TXD0", UNIPHIER_PIN_IECTRL_EXIST,
29, UNIPHIER_PIN_DRV_2BIT,
22, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(23, "RGMII_TXD1", UNIPHIER_PIN_IECTRL_EXIST,
30, UNIPHIER_PIN_DRV_2BIT,
23, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(24, "RGMII_TXD2", UNIPHIER_PIN_IECTRL_EXIST,
31, UNIPHIER_PIN_DRV_2BIT,
24, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(25, "RGMII_TXD3", UNIPHIER_PIN_IECTRL_EXIST,
Annotation
- Immediate include surface: `linux/init.h`, `linux/kernel.h`, `linux/mod_devicetable.h`, `linux/pinctrl/pinctrl.h`, `linux/platform_device.h`, `pinctrl-uniphier.h`.
- Detected declarations: `function uniphier_nx1_get_gpio_muxval`, `function uniphier_nx1_pinctrl_probe`.
- Atlas domain: Driver Families / drivers/pinctrl.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.