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drivers: i3c: npcx: add HDR-DDR mode for transfer

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1. Support HDR-DDR DMA transfer.
2. Remove polling mode in transfer.

Signed-off-by: Alvis Sun <yfsun@nuvoton.com>
This commit is contained in:
Alvis Sun 2024-05-08 11:20:04 +08:00 • committed by Alberto Escolar
commit 03580e4a1b
2 changed files with 155 additions and 35 deletions
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5
soc/nuvoton/npcx/common/reg/reg_def.h
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@ -1913,12 +1913,17 @@ struct i3c_reg {
#define MCTRL_IBIRESP_ACK_MANDATORY 2 /* ACK with mandatory byte */
#define MCTRL_IBIRESP_MANUAL 3
/* For REQUEST = EmitStartAddr */
enum npcx_i3c_mctrl_type {
NPCX_I3C_MCTRL_TYPE_I3C,
NPCX_I3C_MCTRL_TYPE_I2C,
NPCX_I3C_MCTRL_TYPE_I3C_HDR_DDR,
};
/* For REQUEST = ForceExit/Target Reset */
#define MCTRL_TYPE_HDR_EXIT 0
#define MCTRL_TYPE_TGT_RESTART 2
/* MSTATUS options */
#define MSTATUS_STATE_IDLE 0x0
#define MSTATUS_STATE_TGTREQ 0x1