clk/ingenic/cgu.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5  * Copyright (c) 2013-2015 Imagination Technologies
13 #include <linux/clk-provider.h>
18  * struct ingenic_cgu_pll_info - information about a PLL
19  * @reg: the offset of the PLL's control register within the CGU
33  * @od_shift: the number of bits to shift the post-VCO divider value by (ie.
34  *            the index of the lowest bit of the post-VCO divider value in
36  * @od_bits: the size of the post-VCO divider field in bits, or 0 if no
38  * @od_max: the maximum post-VCO divider value
39  * @od_encoding: a pointer to an array mapping post-VCO divider values to
40  *               their encoded values in the PLL control register, or -1 for
42  * @bypass_reg: the offset of the bypass control register within the CGU
44  *              -1 if there is no bypass bit
46  *		-1 if there is no enable bit (ie, the PLL is always on)
48  *		-1 if there is no stable bit
71  * struct ingenic_cgu_mux_info - information about a clock mux
72  * @reg: offset of the mux control register within the CGU
84  * struct ingenic_cgu_div_info - information about a divider
85  * @reg: offset of the divider control register within the CGU
92  * @ce_bit: the index of the change enable bit within reg, or -1 if there
94  * @busy_bit: the index of the busy bit within reg, or -1 if there isn't one
95  * @stop_bit: the index of the stop bit within reg, or -1 if there isn't one
113  * struct ingenic_cgu_fixdiv_info - information about a fixed divider
121  * struct ingenic_cgu_gate_info - information about a clock gate
122  * @reg: offset of the gate control register within the CGU
123  * @bit: offset of the bit in the register that controls the gate
135  * struct ingenic_cgu_custom_info - information about a custom (SoC) clock
143  * struct ingenic_cgu_clk_info - information about a clock
148  *           within the clock_info array of the CGU, or -1 in entries
191  * struct ingenic_cgu - data about the CGU
209  * struct ingenic_clk - private data for a clock
210  * @hw: see Documentation/driver-api/clk.rst
212  * @idx: the index of this clock in cgu->clock_info
223  * ingenic_cgu_new() - create a new CGU instance
237  * ingenic_cgu_register_clocks() - Registers the clocks
242  * Return: 0 on success or -errno if unsuccesful.