Commit | Line | Data |
---|---|---|
c6ed4d73 DL |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Clock driver for TI Davinci PSC controllers | |
4 | * | |
5 | * Copyright (C) 2018 David Lechner <david@lechnology.com> | |
6 | */ | |
7 | ||
8 | #ifndef __CLK_DAVINCI_PSC_H__ | |
9 | #define __CLK_DAVINCI_PSC_H__ | |
10 | ||
11 | #include <linux/clk-provider.h> | |
12 | #include <linux/types.h> | |
13 | ||
14 | /* PSC quirk flags */ | |
15 | #define LPSC_ALWAYS_ENABLED BIT(0) /* never disable this clock */ | |
16 | #define LPSC_SET_RATE_PARENT BIT(1) /* propagate set_rate to parent clock */ | |
17 | #define LPSC_FORCE BIT(2) /* requires MDCTL FORCE bit */ | |
18 | #define LPSC_LOCAL_RESET BIT(3) /* acts as reset provider */ | |
19 | ||
20 | struct davinci_lpsc_clkdev_info { | |
21 | const char *con_id; | |
22 | const char *dev_id; | |
23 | }; | |
24 | ||
25 | #define LPSC_CLKDEV(c, d) { \ | |
26 | .con_id = (c), \ | |
27 | .dev_id = (d) \ | |
28 | } | |
29 | ||
30 | #define LPSC_CLKDEV1(n, c, d) \ | |
31 | static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ | |
32 | LPSC_CLKDEV((c), (d)), \ | |
33 | { } \ | |
34 | } | |
35 | ||
36 | #define LPSC_CLKDEV2(n, c1, d1, c2, d2) \ | |
37 | static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ | |
38 | LPSC_CLKDEV((c1), (d1)), \ | |
39 | LPSC_CLKDEV((c2), (d2)), \ | |
40 | { } \ | |
41 | } | |
42 | ||
43 | #define LPSC_CLKDEV3(n, c1, d1, c2, d2, c3, d3) \ | |
44 | static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ | |
45 | LPSC_CLKDEV((c1), (d1)), \ | |
46 | LPSC_CLKDEV((c2), (d2)), \ | |
47 | LPSC_CLKDEV((c3), (d3)), \ | |
48 | { } \ | |
49 | } | |
50 | ||
51 | /** | |
52 | * davinci_lpsc_clk_info - LPSC module-specific clock information | |
53 | * @name: the clock name | |
54 | * @parent: the parent clock name | |
55 | * @cdevs: optional array of clkdev lookup table info | |
56 | * @md: the local module domain (LPSC id) | |
57 | * @pd: the power domain id | |
58 | * @flags: bitmask of LPSC_* flags | |
59 | */ | |
60 | struct davinci_lpsc_clk_info { | |
61 | const char *name; | |
62 | const char *parent; | |
63 | const struct davinci_lpsc_clkdev_info *cdevs; | |
64 | u32 md; | |
65 | u32 pd; | |
66 | unsigned long flags; | |
67 | }; | |
68 | ||
69 | #define LPSC(m, d, n, p, c, f) \ | |
70 | { \ | |
71 | .name = #n, \ | |
72 | .parent = #p, \ | |
73 | .cdevs = (c), \ | |
74 | .md = (m), \ | |
75 | .pd = (d), \ | |
76 | .flags = (f), \ | |
77 | } | |
78 | ||
79 | int davinci_psc_register_clocks(struct device *dev, | |
80 | const struct davinci_lpsc_clk_info *info, | |
81 | u8 num_clks, | |
82 | void __iomem *base); | |
83 | ||
84 | int of_davinci_psc_clk_init(struct device *dev, | |
85 | const struct davinci_lpsc_clk_info *info, | |
86 | u8 num_clks, | |
87 | void __iomem *base); | |
88 | ||
89 | /* Device-specific data */ | |
90 | ||
91 | struct davinci_psc_init_data { | |
92 | struct clk_bulk_data *parent_clks; | |
93 | int num_parent_clks; | |
94 | int (*psc_init)(struct device *dev, void __iomem *base); | |
95 | }; | |
96 | ||
4eff0beb | 97 | #ifdef CONFIG_ARCH_DAVINCI_DA830 |
c2952e27 DL |
98 | extern const struct davinci_psc_init_data da830_psc0_init_data; |
99 | extern const struct davinci_psc_init_data da830_psc1_init_data; | |
4eff0beb DL |
100 | #endif |
101 | #ifdef CONFIG_ARCH_DAVINCI_DA850 | |
a47d6040 DL |
102 | extern const struct davinci_psc_init_data da850_psc0_init_data; |
103 | extern const struct davinci_psc_init_data da850_psc1_init_data; | |
104 | extern const struct davinci_psc_init_data of_da850_psc0_init_data; | |
105 | extern const struct davinci_psc_init_data of_da850_psc1_init_data; | |
4eff0beb DL |
106 | #endif |
107 | #ifdef CONFIG_ARCH_DAVINCI_DM355 | |
b99bfca5 | 108 | extern const struct davinci_psc_init_data dm355_psc_init_data; |
4eff0beb DL |
109 | #endif |
110 | #ifdef CONFIG_ARCH_DAVINCI_DM356 | |
9ab1102c | 111 | extern const struct davinci_psc_init_data dm365_psc_init_data; |
4eff0beb DL |
112 | #endif |
113 | #ifdef CONFIG_ARCH_DAVINCI_DM644x | |
f41e5275 | 114 | extern const struct davinci_psc_init_data dm644x_psc_init_data; |
4eff0beb DL |
115 | #endif |
116 | #ifdef CONFIG_ARCH_DAVINCI_DM646x | |
aad739f9 | 117 | extern const struct davinci_psc_init_data dm646x_psc_init_data; |
4eff0beb | 118 | #endif |
c2952e27 | 119 | |
c6ed4d73 | 120 | #endif /* __CLK_DAVINCI_PSC_H__ */ |