From: Raymond Mao <[email protected]> Add dt-binding file of pinctrl driver for Spacemit K1 SoC.
Signed-off-by: Raymond Mao <[email protected]> --- include/dt-bindings/pinctrl/k1-pinctrl.h | 59 ++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 include/dt-bindings/pinctrl/k1-pinctrl.h diff --git a/include/dt-bindings/pinctrl/k1-pinctrl.h b/include/dt-bindings/pinctrl/k1-pinctrl.h new file mode 100644 index 00000000000..6c6b223c969 --- /dev/null +++ b/include/dt-bindings/pinctrl/k1-pinctrl.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (C) 2025-2026 RISCStar Ltd. + */ + +#ifndef __DT_BINDINGS_K1_PINCTRL_H +#define __DT_BINDINGS_K1_PINCTRL_H + +/* pin mux */ +#define MUX_MODE0 0 +#define MUX_MODE1 1 +#define MUX_MODE2 2 +#define MUX_MODE3 3 +#define MUX_MODE4 4 +#define MUX_MODE5 5 +#define MUX_MODE6 6 +#define MUX_MODE7 7 + +/* strong pull resistor */ +#define SPU_EN BIT(3) + +/* edge detect */ +#define EDGE_NONE BIT(6) +#define EDGE_RISE BIT(4) +#define EDGE_FALL BIT(5) +#define EDGE_BOTH (EDGE_RISE | EDGE_FALL) + +/* slew rate output control */ +#define SLE_EN BIT(7) + +/* schmitter trigger input threshold */ +#define ST00 (0 << 8) +#define ST01 BIT(8) +#define ST02 BIT(9) +#define ST03 (BIT(8) | BIT(9)) + +/* driver strength*/ +#define PAD_DS_3V BIT(10) +#define PAD_DS_SLOW0 (0 << 11) +#define PAD_DS_SLOW1 BIT(11) +#define PAD_DS_MEDIUM BIT(12) +#define PAD_DS_FAST (BIT(11) | BIT(12)) + +#define PAD_1V8_DS0 PAD_DS_SLOW0 +#define PAD_1V8_DS1 PAD_DS_SLOW1 +#define PAD_1V8_DS2 PAD_DS_MEDIUM +#define PAD_1V8_DS3 PAD_DS_FAST + +#define PAD_3V_DS0 (PAD_DS_SLOW0 | PAD_DS_3V) +#define PAD_3V_DS1 (PAD_DS_SLOW1 | PAD_DS_3V) +#define PAD_3V_DS2 (PAD_DS_MEDIUM | PAD_DS_3V) +#define PAD_3V_DS3 (PAD_DS_FAST | PAD_DS_3V) + +/* pull up/down */ +#define PULL_DIS (0 << 13) /* bit[15:13] 000 */ +#define PULL_UP (6 << 13) /* bit[15:13] 110 */ +#define PULL_DOWN (5 << 13) /* bit[15:13] 101 */ + +#endif /* __DT_BINDINGS_K1_PINCTRL_H */ -- 2.25.1
