drivers/pinctrl/sunxi/pinctrl-sun5i.c

Source file repositories/reference/linux-study-clean/drivers/pinctrl/sunxi/pinctrl-sun5i.c

File Facts

System
Linux kernel
Corpus path
drivers/pinctrl/sunxi/pinctrl-sun5i.c
Extension
.c
Size
29006 bytes
Lines
754
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

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/pinctrl/pinctrl.h>

#include "pinctrl-sunxi.h"

#define PINCTRL_SUN5I_A10S	BIT(0)
#define PINCTRL_SUN5I_A13	BIT(1)
#define PINCTRL_SUN5I_GR8	BIT(2)

static const struct sunxi_desc_pin sun5i_pins[] = {
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 0),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXD3 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* CLK */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN0 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 1),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXD2 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* ERR */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN1 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 2),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXD1 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* SYNC */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN2 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 3),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXD0 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* DLVD */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN3 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 4),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ETXD3 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D0 */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN4 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 5),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ETXD2 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D1 */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN5 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 6),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ETXD1 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D2 */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN6 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 7),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ETXD0 */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D3 */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* IN7 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 8),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXCK */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D4 */
		  SUNXI_FUNCTION(0x4, "uart1"),		/* DTR */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* OUT0 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 9),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXERR */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D5 */
		  SUNXI_FUNCTION(0x4, "uart1"),		/* DSR */
		  SUNXI_FUNCTION(0x5, "keypad")),	/* OUT1 */
	SUNXI_PIN_VARIANT(SUNXI_PINCTRL_PIN(A, 10),
		  PINCTRL_SUN5I_A10S,
		  SUNXI_FUNCTION(0x0, "gpio_in"),
		  SUNXI_FUNCTION(0x1, "gpio_out"),
		  SUNXI_FUNCTION(0x2, "emac"),		/* ERXDV */
		  SUNXI_FUNCTION(0x3, "ts0"),		/* D6 */

Annotation

Implementation Notes