xref: /aosp_15_r20/external/coreboot/src/soc/mediatek/common/include/soc/pmif_spmi.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef __SOC_MEDIATEK_PMIF_SPMI_H__
4 #define __SOC_MEDIATEK_PMIF_SPMI_H__
5 
6 #include <soc/addressmap.h>
7 #include <soc/pmif.h>
8 #include <soc/spmi.h>
9 
10 #define DEFAULT_VALUE_READ_TEST		(0x5a)
11 #define DEFAULT_VALUE_WRITE_TEST	(0xa5)
12 
13 #define PMIF_CMD_PER_3		(0x1 << PMIF_CMD_EXT_REG_LONG)
14 #define PMIF_CMD_PER_1_3	((0x1 << PMIF_CMD_REG) | (0x1 << PMIF_CMD_EXT_REG_LONG))
15 
16 struct mtk_rgu_regs {
17 	u32 reserved[36];
18 	u32 wdt_swsysrst2;
19 };
20 check_member(mtk_rgu_regs, wdt_swsysrst2, 0x90);
21 
22 struct mtk_spmi_mst_reg {
23 	u32 op_st_ctrl;
24 	u32 grp_id_en;
25 	u32 op_st_sta;
26 	u32 mst_sampl;
27 	u32 mst_req_en;
28 	u32 rcs_ctrl;
29 	u32 reserved1[10];
30 	u32 rec_ctrl;
31 	u32 rec0;
32 	u32 rec1;
33 	u32 rec2;
34 	u32 rec3;
35 	u32 rec4;
36 	u32 reserved2[41];
37 	u32 mst_dbg;
38 };
39 
40 check_member(mtk_spmi_mst_reg, rec_ctrl, 0x40);
41 check_member(mtk_spmi_mst_reg, mst_dbg, 0xfc);
42 
43 #define mtk_rug	((struct mtk_rgu_regs *)RGU_BASE)
44 #define mtk_spmi_mst	((struct mtk_spmi_mst_reg *)SPMI_MST_BASE)
45 
46 struct cali {
47 	unsigned int dly;
48 	unsigned int pol;
49 };
50 
51 enum {
52 	SPMI_CK_NO_DLY = 0,
53 	SPMI_CK_DLY_1T,
54 };
55 
56 enum {
57 	SPMI_CK_POL_NEG = 0,
58 	SPMI_CK_POL_POS,
59 };
60 
61 enum spmi_regs {
62 	SPMI_OP_ST_CTRL,
63 	SPMI_GRP_ID_EN,
64 	SPMI_OP_ST_STA,
65 	SPMI_MST_SAMPL,
66 	SPMI_MST_REQ_EN,
67 	SPMI_REC_CTRL,
68 	SPMI_REC0,
69 	SPMI_REC1,
70 	SPMI_REC2,
71 	SPMI_REC3,
72 	SPMI_REC4,
73 	SPMI_MST_DBG
74 };
75 
76 /* MT6315 registers */
77 enum {
78 	MT6315_BASE        = 0x0,
79 	MT6315_READ_TEST   = MT6315_BASE + 0x9,
80 	MT6315_READ_TEST_1 = MT6315_BASE + 0xb,
81 };
82 
83 #define MT6315_DEFAULT_VALUE_READ 0x15
84 
85 extern const struct spmi_device spmi_dev[];
86 extern const size_t spmi_dev_cnt;
87 
88 int pmif_spmi_init(struct pmif *arb);
89 int spmi_config_master(void);
90 void pmif_spmi_iocfg(void);
91 void pmif_spmi_config(struct pmif *arb, int mstid);
92 #endif /* __SOC_MEDIATEK_PMIF_SPMI_H__ */
93