4  * (C) Copyright 2012-2014
7  * SPDX-License-Identifier:     GPL-2.0+
17  * psc_delay() - delay for psc
28  * psc_wait() - Wait for end of transitional state
35  * Return: 0 when the domain is free. Returns -1 if a timeout occurred waiting
46 	 * It's still remotely possible that the hardware state machines  in psc_wait()
60 		return -1;  in psc_wait()
66  * psc_get_domain_num() - Get the domain number
81  * psc_set_state() - powers up/down a module
83  * @state:	1 to enable, 0 to disable.
88  * be left in the power on state. Multiple modules can exist in a power
91  * Return: 0 on success, -1 if the module can't be powered up, or if there is a
94 int psc_set_state(u32 mod_num, u32 state)  in psc_set_state()  argument
111 	/* Wait for the status of the domain/module to be non-transitional */  in psc_set_state()
113 		return -1;  in psc_set_state()
117 	 * existing state  in psc_set_state()
119 	 * Set the next state of the power domain to on. It's OK if the domain  in psc_set_state()
121 	 * change is made if the new state is power down.  in psc_set_state()
123 	if (state == PSC_REG_VAL_MDCTL_NEXT_ON) {  in psc_set_state()
130 	/* Set the next state for the module to enabled/disabled */  in psc_set_state()
132 	mdctl = PSC_REG_MDCTL_SET_NEXT(mdctl, state);  in psc_set_state()
141 	/* Wait on the complete */  in psc_set_state()
146  * psc_enable_module() - power up a module
152  * Return: 0 on success, -1 if the module can't be powered up, or
169  * psc_disable_module() - Power down a module
172  * Return: 0 on success, -1 on failure or timeout.
189  * psc_set_reset_iso() - Set the reset isolation bit in mdctl
192  * The reset isolation enable bit is set. The state of the module is not
217  * psc_disable_domain() - Disable a power domain
238  * psc_module_keep_in_reset_enabled() - Keep module in enabled,in-reset state
254 	/* Wait for any previous transitions to complete */  in psc_module_keep_in_reset_enabled()
261 		/* Wait for transition to take place */  in psc_module_keep_in_reset_enabled()
285 		timeout--;  in psc_module_keep_in_reset_enabled()
291 		return -ETIMEDOUT;  in psc_module_keep_in_reset_enabled()
297  * psc_module_release_from_reset() - Release the module from reset
311 	/* Wait for any previous transitions to complete */  in psc_module_release_from_reset()
314 	/* Should be set to 1 to de-assert Local reset */  in psc_module_release_from_reset()
318 		/* Wait for transition to take place */  in psc_module_release_from_reset()
329 		timeout--;  in psc_module_release_from_reset()
335 		return -ETIMEDOUT;  in psc_module_release_from_reset()