xref: /openbmc/linux/include/soc/tegra/pmc.h (revision c819e2cf)
1 /*
2  * Copyright (c) 2010 Google, Inc
3  * Copyright (c) 2014 NVIDIA Corporation
4  *
5  * Author:
6  *	Colin Cross <ccross@google.com>
7  *
8  * This software is licensed under the terms of the GNU General Public
9  * License version 2, as published by the Free Software Foundation, and
10  * may be copied, distributed, and modified under those terms.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  */
18 
19 #ifndef __SOC_TEGRA_PMC_H__
20 #define __SOC_TEGRA_PMC_H__
21 
22 #include <linux/reboot.h>
23 
24 #include <soc/tegra/pm.h>
25 
26 struct clk;
27 struct reset_control;
28 
29 void tegra_pmc_restart(enum reboot_mode mode, const char *cmd);
30 
31 #ifdef CONFIG_PM_SLEEP
32 enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
33 void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
34 void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
35 #endif /* CONFIG_PM_SLEEP */
36 
37 #ifdef CONFIG_SMP
38 bool tegra_pmc_cpu_is_powered(int cpuid);
39 int tegra_pmc_cpu_power_on(int cpuid);
40 int tegra_pmc_cpu_remove_clamping(int cpuid);
41 #endif /* CONFIG_SMP */
42 
43 /*
44  * powergate and I/O rail APIs
45  */
46 
47 #define TEGRA_POWERGATE_CPU	0
48 #define TEGRA_POWERGATE_3D	1
49 #define TEGRA_POWERGATE_VENC	2
50 #define TEGRA_POWERGATE_PCIE	3
51 #define TEGRA_POWERGATE_VDEC	4
52 #define TEGRA_POWERGATE_L2	5
53 #define TEGRA_POWERGATE_MPE	6
54 #define TEGRA_POWERGATE_HEG	7
55 #define TEGRA_POWERGATE_SATA	8
56 #define TEGRA_POWERGATE_CPU1	9
57 #define TEGRA_POWERGATE_CPU2	10
58 #define TEGRA_POWERGATE_CPU3	11
59 #define TEGRA_POWERGATE_CELP	12
60 #define TEGRA_POWERGATE_3D1	13
61 #define TEGRA_POWERGATE_CPU0	14
62 #define TEGRA_POWERGATE_C0NC	15
63 #define TEGRA_POWERGATE_C1NC	16
64 #define TEGRA_POWERGATE_SOR	17
65 #define TEGRA_POWERGATE_DIS	18
66 #define TEGRA_POWERGATE_DISB	19
67 #define TEGRA_POWERGATE_XUSBA	20
68 #define TEGRA_POWERGATE_XUSBB	21
69 #define TEGRA_POWERGATE_XUSBC	22
70 #define TEGRA_POWERGATE_VIC	23
71 #define TEGRA_POWERGATE_IRAM	24
72 
73 #define TEGRA_POWERGATE_3D0	TEGRA_POWERGATE_3D
74 
75 #define TEGRA_IO_RAIL_CSIA	0
76 #define TEGRA_IO_RAIL_CSIB	1
77 #define TEGRA_IO_RAIL_DSI	2
78 #define TEGRA_IO_RAIL_MIPI_BIAS	3
79 #define TEGRA_IO_RAIL_PEX_BIAS	4
80 #define TEGRA_IO_RAIL_PEX_CLK1	5
81 #define TEGRA_IO_RAIL_PEX_CLK2	6
82 #define TEGRA_IO_RAIL_USB0	9
83 #define TEGRA_IO_RAIL_USB1	10
84 #define TEGRA_IO_RAIL_USB2	11
85 #define TEGRA_IO_RAIL_USB_BIAS	12
86 #define TEGRA_IO_RAIL_NAND	13
87 #define TEGRA_IO_RAIL_UART	14
88 #define TEGRA_IO_RAIL_BB	15
89 #define TEGRA_IO_RAIL_AUDIO	17
90 #define TEGRA_IO_RAIL_HSIC	19
91 #define TEGRA_IO_RAIL_COMP	22
92 #define TEGRA_IO_RAIL_HDMI	28
93 #define TEGRA_IO_RAIL_PEX_CNTRL	32
94 #define TEGRA_IO_RAIL_SDMMC1	33
95 #define TEGRA_IO_RAIL_SDMMC3	34
96 #define TEGRA_IO_RAIL_SDMMC4	35
97 #define TEGRA_IO_RAIL_CAM	36
98 #define TEGRA_IO_RAIL_RES	37
99 #define TEGRA_IO_RAIL_HV	38
100 #define TEGRA_IO_RAIL_DSIB	39
101 #define TEGRA_IO_RAIL_DSIC	40
102 #define TEGRA_IO_RAIL_DSID	41
103 #define TEGRA_IO_RAIL_CSIE	44
104 #define TEGRA_IO_RAIL_LVDS	57
105 #define TEGRA_IO_RAIL_SYS_DDC	58
106 
107 #ifdef CONFIG_ARCH_TEGRA
108 int tegra_powergate_is_powered(int id);
109 int tegra_powergate_power_on(int id);
110 int tegra_powergate_power_off(int id);
111 int tegra_powergate_remove_clamping(int id);
112 
113 /* Must be called with clk disabled, and returns with clk enabled */
114 int tegra_powergate_sequence_power_up(int id, struct clk *clk,
115 				      struct reset_control *rst);
116 
117 int tegra_io_rail_power_on(int id);
118 int tegra_io_rail_power_off(int id);
119 #else
120 static inline int tegra_powergate_is_powered(int id)
121 {
122 	return -ENOSYS;
123 }
124 
125 static inline int tegra_powergate_power_on(int id)
126 {
127 	return -ENOSYS;
128 }
129 
130 static inline int tegra_powergate_power_off(int id)
131 {
132 	return -ENOSYS;
133 }
134 
135 static inline int tegra_powergate_remove_clamping(int id)
136 {
137 	return -ENOSYS;
138 }
139 
140 static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk,
141 						    struct reset_control *rst)
142 {
143 	return -ENOSYS;
144 }
145 
146 static inline int tegra_io_rail_power_on(int id)
147 {
148 	return -ENOSYS;
149 }
150 
151 static inline int tegra_io_rail_power_off(int id)
152 {
153 	return -ENOSYS;
154 }
155 #endif /* CONFIG_ARCH_TEGRA */
156 
157 #endif /* __SOC_TEGRA_PMC_H__ */
158