1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2b4d6df2aSTony Lindgren /* 3b4d6df2aSTony Lindgren * This header provides constants specific to DM814X pinctrl bindings. 4b4d6df2aSTony Lindgren */ 5b4d6df2aSTony Lindgren 6b4d6df2aSTony Lindgren #ifndef _DT_BINDINGS_PINCTRL_DM814X_H 7b4d6df2aSTony Lindgren #define _DT_BINDINGS_PINCTRL_DM814X_H 8b4d6df2aSTony Lindgren 9b4d6df2aSTony Lindgren #include <dt-bindings/pinctrl/omap.h> 10b4d6df2aSTony Lindgren 11b4d6df2aSTony Lindgren #undef INPUT_EN 12b4d6df2aSTony Lindgren #undef PULL_UP 13b4d6df2aSTony Lindgren #undef PULL_ENA 14b4d6df2aSTony Lindgren 15b4d6df2aSTony Lindgren /* 16b4d6df2aSTony Lindgren * Note that dm814x silicon revision 2.1 and older require input enabled 17b4d6df2aSTony Lindgren * (bit 18 set) for all 3.3V I/Os to avoid cumulative hardware damage. For 18b4d6df2aSTony Lindgren * more info, see errata advisory 2.1.87. We leave bit 18 out of 19b4d6df2aSTony Lindgren * function-mask in dm814x.h and rely on the bootloader for it. 20b4d6df2aSTony Lindgren */ 21b4d6df2aSTony Lindgren #define INPUT_EN (1 << 18) 22b4d6df2aSTony Lindgren #define PULL_UP (1 << 17) 23b4d6df2aSTony Lindgren #define PULL_DISABLE (1 << 16) 24b4d6df2aSTony Lindgren 25b4d6df2aSTony Lindgren /* update macro depending on INPUT_EN and PULL_ENA */ 26b4d6df2aSTony Lindgren #undef PIN_OUTPUT 27b4d6df2aSTony Lindgren #undef PIN_OUTPUT_PULLUP 28b4d6df2aSTony Lindgren #undef PIN_OUTPUT_PULLDOWN 29b4d6df2aSTony Lindgren #undef PIN_INPUT 30b4d6df2aSTony Lindgren #undef PIN_INPUT_PULLUP 31b4d6df2aSTony Lindgren #undef PIN_INPUT_PULLDOWN 32b4d6df2aSTony Lindgren 33b4d6df2aSTony Lindgren #define PIN_OUTPUT (PULL_DISABLE) 34b4d6df2aSTony Lindgren #define PIN_OUTPUT_PULLUP (PULL_UP) 35b4d6df2aSTony Lindgren #define PIN_OUTPUT_PULLDOWN 0 36b4d6df2aSTony Lindgren #define PIN_INPUT (INPUT_EN | PULL_DISABLE) 37b4d6df2aSTony Lindgren #define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP) 38b4d6df2aSTony Lindgren #define PIN_INPUT_PULLDOWN (INPUT_EN) 39b4d6df2aSTony Lindgren 40b4d6df2aSTony Lindgren /* undef non-existing modes */ 41b4d6df2aSTony Lindgren #undef PIN_OFF_NONE 42b4d6df2aSTony Lindgren #undef PIN_OFF_OUTPUT_HIGH 43b4d6df2aSTony Lindgren #undef PIN_OFF_OUTPUT_LOW 44b4d6df2aSTony Lindgren #undef PIN_OFF_INPUT_PULLUP 45b4d6df2aSTony Lindgren #undef PIN_OFF_INPUT_PULLDOWN 46b4d6df2aSTony Lindgren #undef PIN_OFF_WAKEUPENABLE 47b4d6df2aSTony Lindgren 48b4d6df2aSTony Lindgren #endif 49b4d6df2aSTony Lindgren 50