| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * This header provides constants specific to DM814X pinctrl bindings. | |
| */ | |
| #ifndef _DT_BINDINGS_PINCTRL_DM814X_H | |
| #define _DT_BINDINGS_PINCTRL_DM814X_H | |
| #include <dt-bindings/pinctrl/omap.h> | |
| #undef INPUT_EN | |
| #undef PULL_UP | |
| #undef PULL_ENA | |
| /* | |
| * Note that dm814x silicon revision 2.1 and older require input enabled | |
| * (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage. For | |
| * more info, see errata advisory 2.1.87. We leave bit 18 out of | |
| * function-mask in dm814x.h and rely on the bootloader for it. | |
| */ | |
| #define INPUT_EN (1 << 18) | |
| #define PULL_UP (1 << 17) | |
| #define PULL_DISABLE (1 << 16) | |
| /* update macro depending on INPUT_EN and PULL_ENA */ | |
| #undef PIN_OUTPUT | |
| #undef PIN_OUTPUT_PULLUP | |
| #undef PIN_OUTPUT_PULLDOWN | |
| #undef PIN_INPUT | |
| #undef PIN_INPUT_PULLUP | |
| #undef PIN_INPUT_PULLDOWN | |
| #define PIN_OUTPUT (PULL_DISABLE) | |
| #define PIN_OUTPUT_PULLUP (PULL_UP) | |
| #define PIN_OUTPUT_PULLDOWN 0 | |
| #define PIN_INPUT (INPUT_EN | PULL_DISABLE) | |
| #define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP) | |
| #define PIN_INPUT_PULLDOWN (INPUT_EN) | |
| /* undef non-existing modes */ | |
| #undef PIN_OFF_NONE | |
| #undef PIN_OFF_OUTPUT_HIGH | |
| #undef PIN_OFF_OUTPUT_LOW | |
| #undef PIN_OFF_INPUT_PULLUP | |
| #undef PIN_OFF_INPUT_PULLDOWN | |
| #undef PIN_OFF_WAKEUPENABLE | |
| #endif | |