153e7b98e9
This is a clock type present on Allwinner H6 where the formula is : f = fparent * n / m0 / m1 MFC after: 1 month
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2017,2018 Emmanuel Vadot <manu@freebsd.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __CCU_NG_H__
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#define __CCU_NG_H__
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#include <arm/allwinner/clkng/aw_clk.h>
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#include <arm/allwinner/clkng/aw_clk_m.h>
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#include <arm/allwinner/clkng/aw_clk_mipi.h>
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#include <arm/allwinner/clkng/aw_clk_nkmp.h>
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#include <arm/allwinner/clkng/aw_clk_nm.h>
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#include <arm/allwinner/clkng/aw_clk_nmm.h>
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#include <arm/allwinner/clkng/aw_clk_np.h>
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#include <arm/allwinner/clkng/aw_clk_prediv_mux.h>
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#include <arm/allwinner/clkng/aw_clk_frac.h>
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#include <dev/extres/clk/clk_mux.h>
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#include <dev/extres/clk/clk_div.h>
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#include <dev/extres/clk/clk_fixed.h>
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enum aw_ccung_clk_type {
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AW_CLK_UNDEFINED = 0,
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AW_CLK_MUX,
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AW_CLK_DIV,
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AW_CLK_FIXED,
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AW_CLK_NKMP,
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AW_CLK_NM,
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AW_CLK_PREDIV_MUX,
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AW_CLK_FRAC,
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AW_CLK_M,
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AW_CLK_MIPI,
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AW_CLK_NP,
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AW_CLK_NMM,
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};
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struct aw_ccung_clk {
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enum aw_ccung_clk_type type;
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union {
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struct clk_mux_def *mux;
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struct clk_div_def *div;
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struct clk_fixed_def *fixed;
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struct aw_clk_nkmp_def *nkmp;
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struct aw_clk_nm_def *nm;
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struct aw_clk_prediv_mux_def *prediv_mux;
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struct aw_clk_frac_def *frac;
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struct aw_clk_m_def *m;
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struct aw_clk_mipi_def *mipi;
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struct aw_clk_np_def *np;
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struct aw_clk_nmm_def *nmm;
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} clk;
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};
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struct aw_ccung_softc {
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device_t dev;
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struct resource *res;
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struct clkdom *clkdom;
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struct mtx mtx;
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struct aw_ccung_reset *resets;
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int nresets;
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struct aw_ccung_gate *gates;
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int ngates;
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struct aw_ccung_clk *clks;
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int nclks;
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struct aw_clk_init *clk_init;
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int n_clk_init;
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};
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struct aw_ccung_reset {
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uint32_t offset;
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uint32_t shift;
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};
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struct aw_ccung_gate {
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const char *name;
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const char *parent_name;
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uint32_t id;
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uint32_t offset;
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uint32_t shift;
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};
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DECLARE_CLASS(aw_ccung_driver);
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int aw_ccung_attach(device_t dev);
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#endif /* __CCU_NG_H__ */
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