xref: /linux/include/soc/tegra/pmc.h (revision c9c4ddb20c427b19c6a2a1787bf82c7b2aac25c3)
19c92ab61SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */
27232398aSThierry Reding /*
37232398aSThierry Reding  * Copyright (c) 2010 Google, Inc
47232398aSThierry Reding  * Copyright (c) 2014 NVIDIA Corporation
57232398aSThierry Reding  *
67232398aSThierry Reding  * Author:
77232398aSThierry Reding  *	Colin Cross <ccross@google.com>
87232398aSThierry Reding  */
97232398aSThierry Reding 
107232398aSThierry Reding #ifndef __SOC_TEGRA_PMC_H__
117232398aSThierry Reding #define __SOC_TEGRA_PMC_H__
127232398aSThierry Reding 
137232398aSThierry Reding #include <linux/reboot.h>
147232398aSThierry Reding 
157232398aSThierry Reding #include <soc/tegra/pm.h>
167232398aSThierry Reding 
177232398aSThierry Reding struct clk;
187232398aSThierry Reding struct reset_control;
197232398aSThierry Reding 
2070293ed0SJon Hunter bool tegra_pmc_cpu_is_powered(unsigned int cpuid);
2170293ed0SJon Hunter int tegra_pmc_cpu_power_on(unsigned int cpuid);
2270293ed0SJon Hunter int tegra_pmc_cpu_remove_clamping(unsigned int cpuid);
237232398aSThierry Reding 
247232398aSThierry Reding /*
257232398aSThierry Reding  * powergate and I/O rail APIs
267232398aSThierry Reding  */
277232398aSThierry Reding 
287232398aSThierry Reding #define TEGRA_POWERGATE_CPU	0
297232398aSThierry Reding #define TEGRA_POWERGATE_3D	1
307232398aSThierry Reding #define TEGRA_POWERGATE_VENC	2
317232398aSThierry Reding #define TEGRA_POWERGATE_PCIE	3
327232398aSThierry Reding #define TEGRA_POWERGATE_VDEC	4
337232398aSThierry Reding #define TEGRA_POWERGATE_L2	5
347232398aSThierry Reding #define TEGRA_POWERGATE_MPE	6
357232398aSThierry Reding #define TEGRA_POWERGATE_HEG	7
367232398aSThierry Reding #define TEGRA_POWERGATE_SATA	8
377232398aSThierry Reding #define TEGRA_POWERGATE_CPU1	9
387232398aSThierry Reding #define TEGRA_POWERGATE_CPU2	10
397232398aSThierry Reding #define TEGRA_POWERGATE_CPU3	11
407232398aSThierry Reding #define TEGRA_POWERGATE_CELP	12
417232398aSThierry Reding #define TEGRA_POWERGATE_3D1	13
427232398aSThierry Reding #define TEGRA_POWERGATE_CPU0	14
437232398aSThierry Reding #define TEGRA_POWERGATE_C0NC	15
447232398aSThierry Reding #define TEGRA_POWERGATE_C1NC	16
457232398aSThierry Reding #define TEGRA_POWERGATE_SOR	17
467232398aSThierry Reding #define TEGRA_POWERGATE_DIS	18
477232398aSThierry Reding #define TEGRA_POWERGATE_DISB	19
487232398aSThierry Reding #define TEGRA_POWERGATE_XUSBA	20
497232398aSThierry Reding #define TEGRA_POWERGATE_XUSBB	21
507232398aSThierry Reding #define TEGRA_POWERGATE_XUSBC	22
517232398aSThierry Reding #define TEGRA_POWERGATE_VIC	23
527232398aSThierry Reding #define TEGRA_POWERGATE_IRAM	24
53c2fe4694SThierry Reding #define TEGRA_POWERGATE_NVDEC	25
54c2fe4694SThierry Reding #define TEGRA_POWERGATE_NVJPG	26
55c2fe4694SThierry Reding #define TEGRA_POWERGATE_AUD	27
56c2fe4694SThierry Reding #define TEGRA_POWERGATE_DFD	28
57c2fe4694SThierry Reding #define TEGRA_POWERGATE_VE2	29
58a3804512SJon Hunter #define TEGRA_POWERGATE_MAX	TEGRA_POWERGATE_VE2
597232398aSThierry Reding 
607232398aSThierry Reding #define TEGRA_POWERGATE_3D0	TEGRA_POWERGATE_3D
617232398aSThierry Reding 
6221b49910SLaxman Dewangan /**
6321b49910SLaxman Dewangan  * enum tegra_io_pad - I/O pad group identifier
6421b49910SLaxman Dewangan  *
6521b49910SLaxman Dewangan  * I/O pins on Tegra SoCs are grouped into so-called I/O pads. Each such pad
6621b49910SLaxman Dewangan  * can be used to control the common voltage signal level and power state of
6721b49910SLaxman Dewangan  * the pins of the given pad.
6821b49910SLaxman Dewangan  */
6921b49910SLaxman Dewangan enum tegra_io_pad {
7021b49910SLaxman Dewangan 	TEGRA_IO_PAD_AUDIO,
7121b49910SLaxman Dewangan 	TEGRA_IO_PAD_AUDIO_HV,
7221b49910SLaxman Dewangan 	TEGRA_IO_PAD_BB,
7321b49910SLaxman Dewangan 	TEGRA_IO_PAD_CAM,
7421b49910SLaxman Dewangan 	TEGRA_IO_PAD_COMP,
75c641ec6eSThierry Reding 	TEGRA_IO_PAD_CONN,
7621b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSIA,
7721b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSIB,
7821b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSIC,
7921b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSID,
8021b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSIE,
8121b49910SLaxman Dewangan 	TEGRA_IO_PAD_CSIF,
82eac9c48aSThierry Reding 	TEGRA_IO_PAD_CSIG,
83eac9c48aSThierry Reding 	TEGRA_IO_PAD_CSIH,
84eac9c48aSThierry Reding 	TEGRA_IO_PAD_DAP3,
85eac9c48aSThierry Reding 	TEGRA_IO_PAD_DAP5,
8621b49910SLaxman Dewangan 	TEGRA_IO_PAD_DBG,
8721b49910SLaxman Dewangan 	TEGRA_IO_PAD_DEBUG_NONAO,
8821b49910SLaxman Dewangan 	TEGRA_IO_PAD_DMIC,
89c641ec6eSThierry Reding 	TEGRA_IO_PAD_DMIC_HV,
9021b49910SLaxman Dewangan 	TEGRA_IO_PAD_DP,
9121b49910SLaxman Dewangan 	TEGRA_IO_PAD_DSI,
9221b49910SLaxman Dewangan 	TEGRA_IO_PAD_DSIB,
9321b49910SLaxman Dewangan 	TEGRA_IO_PAD_DSIC,
9421b49910SLaxman Dewangan 	TEGRA_IO_PAD_DSID,
95c641ec6eSThierry Reding 	TEGRA_IO_PAD_EDP,
9621b49910SLaxman Dewangan 	TEGRA_IO_PAD_EMMC,
9721b49910SLaxman Dewangan 	TEGRA_IO_PAD_EMMC2,
98eac9c48aSThierry Reding 	TEGRA_IO_PAD_EQOS,
9921b49910SLaxman Dewangan 	TEGRA_IO_PAD_GPIO,
100eac9c48aSThierry Reding 	TEGRA_IO_PAD_GP_PWM2,
101eac9c48aSThierry Reding 	TEGRA_IO_PAD_GP_PWM3,
10221b49910SLaxman Dewangan 	TEGRA_IO_PAD_HDMI,
103c641ec6eSThierry Reding 	TEGRA_IO_PAD_HDMI_DP0,
104c641ec6eSThierry Reding 	TEGRA_IO_PAD_HDMI_DP1,
105eac9c48aSThierry Reding 	TEGRA_IO_PAD_HDMI_DP2,
106eac9c48aSThierry Reding 	TEGRA_IO_PAD_HDMI_DP3,
10721b49910SLaxman Dewangan 	TEGRA_IO_PAD_HSIC,
10821b49910SLaxman Dewangan 	TEGRA_IO_PAD_HV,
10921b49910SLaxman Dewangan 	TEGRA_IO_PAD_LVDS,
11021b49910SLaxman Dewangan 	TEGRA_IO_PAD_MIPI_BIAS,
11121b49910SLaxman Dewangan 	TEGRA_IO_PAD_NAND,
11221b49910SLaxman Dewangan 	TEGRA_IO_PAD_PEX_BIAS,
113c641ec6eSThierry Reding 	TEGRA_IO_PAD_PEX_CLK_BIAS,
11421b49910SLaxman Dewangan 	TEGRA_IO_PAD_PEX_CLK1,
11521b49910SLaxman Dewangan 	TEGRA_IO_PAD_PEX_CLK2,
116c641ec6eSThierry Reding 	TEGRA_IO_PAD_PEX_CLK3,
11704fac241SVenkat Reddy Talla 	TEGRA_IO_PAD_PEX_CLK_2_BIAS,
11804fac241SVenkat Reddy Talla 	TEGRA_IO_PAD_PEX_CLK_2,
11921b49910SLaxman Dewangan 	TEGRA_IO_PAD_PEX_CNTRL,
120eac9c48aSThierry Reding 	TEGRA_IO_PAD_PEX_CTL2,
121*c9c4ddb2SPetlozu Pravareshwar 	TEGRA_IO_PAD_PEX_L0_RST,
122*c9c4ddb2SPetlozu Pravareshwar 	TEGRA_IO_PAD_PEX_L1_RST,
123*c9c4ddb2SPetlozu Pravareshwar 	TEGRA_IO_PAD_PEX_L5_RST,
124eac9c48aSThierry Reding 	TEGRA_IO_PAD_PWR_CTL,
12521b49910SLaxman Dewangan 	TEGRA_IO_PAD_SDMMC1,
126c641ec6eSThierry Reding 	TEGRA_IO_PAD_SDMMC1_HV,
127c641ec6eSThierry Reding 	TEGRA_IO_PAD_SDMMC2,
128c641ec6eSThierry Reding 	TEGRA_IO_PAD_SDMMC2_HV,
12921b49910SLaxman Dewangan 	TEGRA_IO_PAD_SDMMC3,
130c641ec6eSThierry Reding 	TEGRA_IO_PAD_SDMMC3_HV,
13121b49910SLaxman Dewangan 	TEGRA_IO_PAD_SDMMC4,
132eac9c48aSThierry Reding 	TEGRA_IO_PAD_SOC_GPIO10,
133eac9c48aSThierry Reding 	TEGRA_IO_PAD_SOC_GPIO12,
134eac9c48aSThierry Reding 	TEGRA_IO_PAD_SOC_GPIO13,
135eac9c48aSThierry Reding 	TEGRA_IO_PAD_SOC_GPIO53,
13621b49910SLaxman Dewangan 	TEGRA_IO_PAD_SPI,
13721b49910SLaxman Dewangan 	TEGRA_IO_PAD_SPI_HV,
13821b49910SLaxman Dewangan 	TEGRA_IO_PAD_SYS_DDC,
13921b49910SLaxman Dewangan 	TEGRA_IO_PAD_UART,
140eac9c48aSThierry Reding 	TEGRA_IO_PAD_UART4,
141eac9c48aSThierry Reding 	TEGRA_IO_PAD_UART5,
142c641ec6eSThierry Reding 	TEGRA_IO_PAD_UFS,
14321b49910SLaxman Dewangan 	TEGRA_IO_PAD_USB0,
14421b49910SLaxman Dewangan 	TEGRA_IO_PAD_USB1,
14521b49910SLaxman Dewangan 	TEGRA_IO_PAD_USB2,
14621b49910SLaxman Dewangan 	TEGRA_IO_PAD_USB3,
14721b49910SLaxman Dewangan 	TEGRA_IO_PAD_USB_BIAS,
14813136a47SAapo Vienamo 	TEGRA_IO_PAD_AO_HV,
14921b49910SLaxman Dewangan };
15021b49910SLaxman Dewangan 
15121b49910SLaxman Dewangan /* deprecated, use TEGRA_IO_PAD_{HDMI,LVDS} instead */
15221b49910SLaxman Dewangan #define TEGRA_IO_RAIL_HDMI	TEGRA_IO_PAD_HDMI
15321b49910SLaxman Dewangan #define TEGRA_IO_RAIL_LVDS	TEGRA_IO_PAD_LVDS
15421b49910SLaxman Dewangan 
155bd737038SArnd Bergmann #ifdef CONFIG_SOC_TEGRA_PMC
15670293ed0SJon Hunter int tegra_powergate_power_on(unsigned int id);
15770293ed0SJon Hunter int tegra_powergate_power_off(unsigned int id);
15870293ed0SJon Hunter int tegra_powergate_remove_clamping(unsigned int id);
1597232398aSThierry Reding 
1607232398aSThierry Reding /* Must be called with clk disabled, and returns with clk enabled */
16170293ed0SJon Hunter int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk,
1627232398aSThierry Reding 				      struct reset_control *rst);
1637232398aSThierry Reding 
16421b49910SLaxman Dewangan int tegra_io_pad_power_enable(enum tegra_io_pad id);
16521b49910SLaxman Dewangan int tegra_io_pad_power_disable(enum tegra_io_pad id);
16621b49910SLaxman Dewangan 
16721b49910SLaxman Dewangan /* deprecated, use tegra_io_pad_power_{enable,disable}() instead */
16870293ed0SJon Hunter int tegra_io_rail_power_on(unsigned int id);
16970293ed0SJon Hunter int tegra_io_rail_power_off(unsigned int id);
170bd737038SArnd Bergmann 
171bd737038SArnd Bergmann void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
172bd737038SArnd Bergmann void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
173bd737038SArnd Bergmann 
17441bafa69SDmitry Osipenko bool tegra_pmc_core_domain_state_synced(void);
17541bafa69SDmitry Osipenko 
1767232398aSThierry Reding #else
17770293ed0SJon Hunter static inline int tegra_powergate_power_on(unsigned int id)
1787232398aSThierry Reding {
1797232398aSThierry Reding 	return -ENOSYS;
1807232398aSThierry Reding }
1817232398aSThierry Reding 
18270293ed0SJon Hunter static inline int tegra_powergate_power_off(unsigned int id)
1837232398aSThierry Reding {
1847232398aSThierry Reding 	return -ENOSYS;
1857232398aSThierry Reding }
1867232398aSThierry Reding 
18770293ed0SJon Hunter static inline int tegra_powergate_remove_clamping(unsigned int id)
1887232398aSThierry Reding {
1897232398aSThierry Reding 	return -ENOSYS;
1907232398aSThierry Reding }
1917232398aSThierry Reding 
19270293ed0SJon Hunter static inline int tegra_powergate_sequence_power_up(unsigned int id,
19370293ed0SJon Hunter 						    struct clk *clk,
1947232398aSThierry Reding 						    struct reset_control *rst)
1957232398aSThierry Reding {
1967232398aSThierry Reding 	return -ENOSYS;
1977232398aSThierry Reding }
1987232398aSThierry Reding 
19921b49910SLaxman Dewangan static inline int tegra_io_pad_power_enable(enum tegra_io_pad id)
20021b49910SLaxman Dewangan {
20121b49910SLaxman Dewangan 	return -ENOSYS;
20221b49910SLaxman Dewangan }
20321b49910SLaxman Dewangan 
20421b49910SLaxman Dewangan static inline int tegra_io_pad_power_disable(enum tegra_io_pad id)
20521b49910SLaxman Dewangan {
20621b49910SLaxman Dewangan 	return -ENOSYS;
20721b49910SLaxman Dewangan }
20821b49910SLaxman Dewangan 
20921b49910SLaxman Dewangan static inline int tegra_io_pad_get_voltage(enum tegra_io_pad id)
21021b49910SLaxman Dewangan {
21121b49910SLaxman Dewangan 	return -ENOSYS;
21221b49910SLaxman Dewangan }
21321b49910SLaxman Dewangan 
21470293ed0SJon Hunter static inline int tegra_io_rail_power_on(unsigned int id)
2157232398aSThierry Reding {
2167232398aSThierry Reding 	return -ENOSYS;
2177232398aSThierry Reding }
2187232398aSThierry Reding 
21970293ed0SJon Hunter static inline int tegra_io_rail_power_off(unsigned int id)
2207232398aSThierry Reding {
2217232398aSThierry Reding 	return -ENOSYS;
2227232398aSThierry Reding }
223bd737038SArnd Bergmann 
224bd737038SArnd Bergmann static inline void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode)
225bd737038SArnd Bergmann {
226bd737038SArnd Bergmann }
227bd737038SArnd Bergmann 
228bd737038SArnd Bergmann static inline void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode)
229bd737038SArnd Bergmann {
230bd737038SArnd Bergmann }
231bd737038SArnd Bergmann 
23241bafa69SDmitry Osipenko static inline bool tegra_pmc_core_domain_state_synced(void)
23341bafa69SDmitry Osipenko {
23441bafa69SDmitry Osipenko 	return false;
23541bafa69SDmitry Osipenko }
23641bafa69SDmitry Osipenko 
237bd737038SArnd Bergmann #endif /* CONFIG_SOC_TEGRA_PMC */
2387232398aSThierry Reding 
239b1018eb7SArnd Bergmann #if defined(CONFIG_SOC_TEGRA_PMC) && defined(CONFIG_PM_SLEEP)
240b1018eb7SArnd Bergmann enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
241b1018eb7SArnd Bergmann #else
242b1018eb7SArnd Bergmann static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void)
243b1018eb7SArnd Bergmann {
244b1018eb7SArnd Bergmann 	return TEGRA_SUSPEND_NONE;
245b1018eb7SArnd Bergmann }
246b1018eb7SArnd Bergmann #endif
247b1018eb7SArnd Bergmann 
2487232398aSThierry Reding #endif /* __SOC_TEGRA_PMC_H__ */
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