/* 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