Lines Matching +full:out +full:- +full:of +full:- +full:reset

1 // SPDX-License-Identifier: GPL-2.0-only
18 #include "prcm-common.h"
23 #include "prm-regbits-44xx.h"
34  * omap_prm_base_init - Populates the prm partitions
36  * Populates the base addresses of the _prm_bases
37  * array used for read/write of prm module registers.
75 /* Read-modify-write a register in PRM. Caller must lock */
90  * omap4_prminst_is_hardreset_asserted - read the HW reset line state of
93  * @shift: register bit shift corresponding to the reset line to check
97  * -EINVAL upon parameter error.
112  * omap4_prminst_assert_hardreset - assert the HW reset line of a submodule
114  * @shift: register bit shift corresponding to the reset line to assert
117  * reset line to be asserted / deasserted in order to fully enable the
118  * IP.  These modules may have multiple hard-reset lines that reset
120  * place the submodule into reset.  Returns 0 upon success or -EINVAL
134  * omap4_prminst_deassert_hardreset - deassert a submodule hardreset line and
136  * @shift: register bit shift corresponding to the reset line to deassert
137  * @st_shift: status bit offset corresponding to the reset line
140  * @rstctrl_offs: reset register offset
141  * @rstst_offs: reset status register offset
144  * reset line to be asserted / deasserted in order to fully enable the
145  * IP.  These modules may have multiple hard-reset lines that reset
147  * take the submodule out of reset and wait until the PRCM indicates
148  * that the reset has completed before returning.  Returns 0 upon success or
149  * -EINVAL upon an argument error, -EEXIST if the submodule was already out
150  * of reset, or -EBUSY if the submodule did not exit reset promptly.
159 	/* Check the current status to avoid de-asserting the line twice */  in omap4_prminst_deassert_hardreset()
162 		return -EEXIST;  in omap4_prminst_deassert_hardreset()
164 	/* Clear the reset status by writing 1 to the status bit */  in omap4_prminst_deassert_hardreset()
167 	/* de-assert the reset control line */  in omap4_prminst_deassert_hardreset()
174 	return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;  in omap4_prminst_deassert_hardreset()