1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <soc/iocfg.h>
#include <soc/pll.h>
#include <soc/pmif_spmi.h>
/* IOCFG_LT, DRV_CFG2 */
DEFINE_BITFIELD(SPMI_SCL, 14, 12)
DEFINE_BITFIELD(SPMI_SDA, 17, 15)
DEFINE_BIT(SPMI_SCL_IN, 27)
DEFINE_BIT(SPMI_SDA_IN, 28)
DEFINE_BIT(SPMI_SCL_PU, 11)
DEFINE_BIT(SPMI_SDA_PD, 12)
DEFINE_BIT(SPMI_SCL_SMT, 28)
DEFINE_BIT(SPMI_SDA_SMT, 28)
DEFINE_BITFIELD(SPMI_TD, 19, 16)
DEFINE_BITFIELD(SPMI_RD, 15, 14)
DEFINE_BITFIELD(SPMI_DRI, 5, 3)
/* TOPRGU, WDT_SWSYSRST2 */
DEFINE_BIT(SPMI_MST_RST, 23)
DEFINE_BITFIELD(UNLOCK_KEY, 31, 24)
/* TOPCKGEN, CLK_CFG_17 */
DEFINE_BITFIELD(CLK_SPMI_MST_SEL, 10, 8)
DEFINE_BIT(CLK_SPMI_MST_INT, 12)
DEFINE_BIT(PDN_SPMI_MST, 15)
/* TOPCKGEN, CLK_CFG_UPDATE2 */
DEFINE_BIT(SPMI_MST_CK_UPDATE, 5)
const struct spmi_device spmi_dev[] = {
{
.slvid = SPMI_SLAVE_6,
.type = BUCK_CPU,
.type_id = BUCK_CPU_ID,
},
};
const size_t spmi_dev_cnt = ARRAY_SIZE(spmi_dev);
int spmi_config_master(void)
{
/* Software reset */
SET32_BITFIELDS(&mtk_rug->wdt_swsysrst2, SPMI_MST_RST, 1, UNLOCK_KEY, 0x88);
SET32_BITFIELDS(&mtk_topckgen->clk_cfg_17,
CLK_SPMI_MST_SEL, 0x3,
CLK_SPMI_MST_INT, 0,
PDN_SPMI_MST, 0);
SET32_BITFIELDS(&mtk_topckgen->clk_cfg_update2, SPMI_MST_CK_UPDATE, 1);
/* Software reset */
SET32_BITFIELDS(&mtk_rug->wdt_swsysrst2, SPMI_MST_RST, 0, UNLOCK_KEY, 0x88);
/* Enable SPMI */
write32(&mtk_spmi_mst->mst_req_en, 1);
write32(&mtk_spmi_mst->rcs_ctrl, 0x15);
return 0;
}
void pmif_spmi_iocfg(void)
{
SET32_BITFIELDS(&mtk_iocfg_lt->eh_cfg_clr, SPMI_SCL, 0x7, SPMI_SDA, 0x7);
SET32_BITFIELDS(&mtk_iocfg_lt->ies_cfg1_clr, SPMI_SCL_IN, 0x1);
SET32_BITFIELDS(&mtk_iocfg_lt->ies_cfg1_set, SPMI_SDA_IN, 0x1);
SET32_BITFIELDS(&mtk_iocfg_lt->pu_cfg1_clr, SPMI_SCL_PU, 0x1,
SPMI_SDA_PD, 0x1);
SET32_BITFIELDS(&mtk_iocfg_lt->pd_cfg1_clr, SPMI_SCL_PU, 0x1,
SPMI_SDA_PD, 0x1);
SET32_BITFIELDS(&mtk_iocfg_lt->smt_cfg0_set, SPMI_SCL_SMT, 0x1,
SPMI_SDA_SMT, 0x1);
SET32_BITFIELDS(&mtk_iocfg_lt->tdsel_cfg3_clr, SPMI_TD, 0xF);
SET32_BITFIELDS(&mtk_iocfg_lt->rdsel_cfg3_clr, SPMI_RD, 0x3);
SET32_BITFIELDS(&mtk_iocfg_lt->drv_cfg3_clr, SPMI_DRI, 0x07);
SET32_BITFIELDS(&mtk_iocfg_lt->drv_cfg3_set, SPMI_DRI, 0x02);
}
|
