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Diffstat (limited to '')
| -rw-r--r-- | include/dt-bindings/pinctrl/dra.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h new file mode 100644 index 000000000..252cdfd0d --- /dev/null +++ b/include/dt-bindings/pinctrl/dra.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This header provides constants for DRA pinctrl bindings. + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Author: Rajendra Nayak <rnayak@ti.com> + */ + +#ifndef _DT_BINDINGS_PINCTRL_DRA_H +#define _DT_BINDINGS_PINCTRL_DRA_H + +/* DRA7 mux mode options for each pin. See TRM for options */ +#define MUX_MODE0 0x0 +#define MUX_MODE1 0x1 +#define MUX_MODE2 0x2 +#define MUX_MODE3 0x3 +#define MUX_MODE4 0x4 +#define MUX_MODE5 0x5 +#define MUX_MODE6 0x6 +#define MUX_MODE7 0x7 +#define MUX_MODE8 0x8 +#define MUX_MODE9 0x9 +#define MUX_MODE10 0xa +#define MUX_MODE11 0xb +#define MUX_MODE12 0xc +#define MUX_MODE13 0xd +#define MUX_MODE14 0xe +#define MUX_MODE15 0xf + +/* Certain pins need virtual mode, but note: they may glitch */ +#define MUX_VIRTUAL_MODE0 (MODE_SELECT | (0x0 << 4)) +#define MUX_VIRTUAL_MODE1 (MODE_SELECT | (0x1 << 4)) +#define MUX_VIRTUAL_MODE2 (MODE_SELECT | (0x2 << 4)) +#define MUX_VIRTUAL_MODE3 (MODE_SELECT | (0x3 << 4)) +#define MUX_VIRTUAL_MODE4 (MODE_SELECT | (0x4 << 4)) +#define MUX_VIRTUAL_MODE5 (MODE_SELECT | (0x5 << 4)) +#define MUX_VIRTUAL_MODE6 (MODE_SELECT | (0x6 << 4)) +#define MUX_VIRTUAL_MODE7 (MODE_SELECT | (0x7 << 4)) +#define MUX_VIRTUAL_MODE8 (MODE_SELECT | (0x8 << 4)) +#define MUX_VIRTUAL_MODE9 (MODE_SELECT | (0x9 << 4)) +#define MUX_VIRTUAL_MODE10 (MODE_SELECT | (0xa << 4)) +#define MUX_VIRTUAL_MODE11 (MODE_SELECT | (0xb << 4)) +#define MUX_VIRTUAL_MODE12 (MODE_SELECT | (0xc << 4)) +#define MUX_VIRTUAL_MODE13 (MODE_SELECT | (0xd << 4)) +#define MUX_VIRTUAL_MODE14 (MODE_SELECT | (0xe << 4)) +#define MUX_VIRTUAL_MODE15 (MODE_SELECT | (0xf << 4)) + +#define MODE_SELECT (1 << 8) + +#define PULL_ENA (0 << 16) +#define PULL_DIS (1 << 16) +#define PULL_UP (1 << 17) +#define INPUT_EN (1 << 18) +#define SLEWCONTROL (1 << 19) +#define WAKEUP_EN (1 << 24) +#define WAKEUP_EVENT (1 << 25) + +/* Active pin states */ +#define PIN_OUTPUT (0 | PULL_DIS) +#define PIN_OUTPUT_PULLUP (PULL_UP) +#define PIN_OUTPUT_PULLDOWN (0) +#define PIN_INPUT (INPUT_EN | PULL_DIS) +#define PIN_INPUT_SLEW (INPUT_EN | SLEWCONTROL) +#define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP) +#define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN) + +/* + * Macro to allow using the absolute physical address instead of the + * padconf registers instead of the offset from padconf base. + */ +#define DRA7XX_CORE_IOPAD(pa, val) (((pa) & 0xffff) - 0x3400) (val) + +/* DRA7 IODELAY configuration parameters */ +#define A_DELAY_PS(val) ((val) & 0xffff) +#define G_DELAY_PS(val) ((val) & 0xffff) +#endif + |