arch/arm64/boot/dts/ti/k3-pinctrl.h

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-pinctrl.h

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-pinctrl.h
Extension
.h
Size
6323 bytes
Lines
150
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef DTS_ARM64_TI_K3_PINCTRL_H
#define DTS_ARM64_TI_K3_PINCTRL_H

#define WKUP_LVL_EN_SHIFT	(7)
#define WKUP_LVL_POL_SHIFT	(8)
#define DEBOUNCE_SHIFT		(11)
#define ST_EN_SHIFT		(14)
#define FORCE_DS_EN_SHIFT	(15)
#define PULLUDEN_SHIFT		(16)
#define PULLTYPESEL_SHIFT	(17)
#define RXACTIVE_SHIFT		(18)
#define DRV_STR_SHIFT		(19)
#define ISO_OVERRIDE_EN_SHIFT	(22)
#define ISO_BYPASS_EN_SHIFT	(23)
#define DS_EN_SHIFT		(24)
#define DS_OUT_DIS_SHIFT	(25)
#define DS_OUT_VAL_SHIFT	(26)
#define DS_PULLUD_EN_SHIFT	(27)
#define DS_PULLTYPE_SEL_SHIFT	(28)
#define WKUP_EN_SHIFT		(29)

/* Schmitt trigger configuration */
#define ST_DISABLE		(0 << ST_EN_SHIFT)
#define ST_ENABLE		(1 << ST_EN_SHIFT)

#define PULL_DISABLE		(1 << PULLUDEN_SHIFT)
#define PULL_ENABLE		(0 << PULLUDEN_SHIFT)

#define PULL_UP			(1 << PULLTYPESEL_SHIFT | PULL_ENABLE)
#define PULL_DOWN		(0 << PULLTYPESEL_SHIFT | PULL_ENABLE)

#define INPUT_EN		(1 << RXACTIVE_SHIFT)
#define INPUT_DISABLE		(0 << RXACTIVE_SHIFT)

#define DS_PULL_DISABLE		(1 << DS_PULLUD_EN_SHIFT)
#define DS_PULL_ENABLE		(0 << DS_PULLUD_EN_SHIFT)

#define DS_PULL_UP		(1 << DS_PULLTYPE_SEL_SHIFT | DS_PULL_ENABLE)
#define DS_PULL_DOWN		(0 << DS_PULLTYPE_SEL_SHIFT | DS_PULL_ENABLE)

#define DS_STATE_EN		(1 << DS_EN_SHIFT)
#define DS_STATE_DISABLE	(0 << DS_EN_SHIFT)

#define DS_INPUT_EN		(1 << DS_OUT_DIS_SHIFT | DS_STATE_EN)
#define DS_INPUT_DISABLE	(0 << DS_OUT_DIS_SHIFT | DS_STATE_EN)

#define DS_OUT_VALUE_ZERO	(0 << DS_OUT_VAL_SHIFT)
#define DS_OUT_VALUE_ONE	(1 << DS_OUT_VAL_SHIFT)

/* Configuration to enable wake-up on pin activity */
#define WKUP_ENABLE		(1 << WKUP_EN_SHIFT)
#define WKUP_DISABLE		(0 << WKUP_EN_SHIFT)
#define WKUP_ON_LEVEL		(1 << WKUP_LVL_EN_SHIFT)
#define WKUP_ON_EDGE		(0 << WKUP_LVL_EN_SHIFT)
#define WKUP_LEVEL_LOW		(0 << WKUP_LVL_POL_SHIFT)
#define WKUP_LEVEL_HIGH		(1 << WKUP_LVL_POL_SHIFT)

/* Only these macros are expected be used directly in device tree files */
#define PIN_OUTPUT		(INPUT_DISABLE | PULL_DISABLE)
#define PIN_OUTPUT_PULLUP	(INPUT_DISABLE | PULL_UP)
#define PIN_OUTPUT_PULLDOWN	(INPUT_DISABLE | PULL_DOWN)
#define PIN_INPUT		(INPUT_EN | ST_ENABLE | PULL_DISABLE)
#define PIN_INPUT_PULLUP	(INPUT_EN | ST_ENABLE | PULL_UP)
#define PIN_INPUT_PULLDOWN	(INPUT_EN | ST_ENABLE | PULL_DOWN)
/* Input configurations with Schmitt Trigger disabled */
#define PIN_INPUT_NOST		(INPUT_EN | PULL_DISABLE)
#define PIN_INPUT_PULLUP_NOST	(INPUT_EN | PULL_UP)
#define PIN_INPUT_PULLDOWN_NOST	(INPUT_EN | PULL_DOWN)

#define PIN_DEBOUNCE_DISABLE	(0 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF1	(1 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF2	(2 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF3	(3 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF4	(4 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF5	(5 << DEBOUNCE_SHIFT)
#define PIN_DEBOUNCE_CONF6	(6 << DEBOUNCE_SHIFT)

#define PIN_DRIVE_STRENGTH_NOMINAL	(0 << DRV_STR_SHIFT)
#define PIN_DRIVE_STRENGTH_SLOW		(1 << DRV_STR_SHIFT)
#define PIN_DRIVE_STRENGTH_FAST		(2 << DRV_STR_SHIFT)

#define PIN_DS_FORCE_DISABLE		(0 << FORCE_DS_EN_SHIFT)
#define PIN_DS_FORCE_ENABLE		(1 << FORCE_DS_EN_SHIFT)
#define PIN_DS_ISO_OVERRIDE_DISABLE	(0 << ISO_OVERRIDE_EN_SHIFT)
#define PIN_DS_ISO_OVERRIDE_ENABLE	(1 << ISO_OVERRIDE_EN_SHIFT)
#define PIN_DS_OUT_ENABLE		(0 << DS_OUT_DIS_SHIFT)
#define PIN_DS_OUT_DISABLE		(1 << DS_OUT_DIS_SHIFT)
#define PIN_DS_OUT_VALUE_ZERO		(0 << DS_OUT_VAL_SHIFT)
#define PIN_DS_OUT_VALUE_ONE		(1 << DS_OUT_VAL_SHIFT)
#define PIN_DS_PULLUD_ENABLE		(0 << DS_PULLUD_EN_SHIFT)

Annotation

Implementation Notes