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sys/arm64/rockchip/clk/rk3399_pmucru.c

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org>
* Copyright (c) 2018 Greg V <greg@unrelenting.technology>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <dev/fdt/simplebus.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/extres/clk/clk_div.h>
#include <dev/extres/clk/clk_fixed.h>
#include <dev/extres/clk/clk_mux.h>
#include <arm64/rockchip/clk/rk_cru.h>
/* GATES */
#define PCLK_PMU 20
#define PCLK_GPIO0_PMU 23
#define PCLK_GPIO1_PMU 24
#define PCLK_I2C0_PMU 27
#define PCLK_I2C4_PMU 28
#define PCLK_I2C8_PMU 29
static struct rk_cru_gate rk3399_pmu_gates[] = {
/* PMUCRU_CLKGATE_CON1 */
CRU_GATE(PCLK_GPIO0_PMU, "pclk_gpio0_pmu", "pclk_pmu_src", 0x104, 3)
CRU_GATE(PCLK_GPIO1_PMU, "pclk_gpio1_pmu", "pclk_pmu_src", 0x104, 4)
CRU_GATE(PCLK_I2C0_PMU, "pclk_i2c0_pmu", "pclk_pmu_src", 0x104, 7)
CRU_GATE(PCLK_I2C4_PMU, "pclk_i2c4_pmu", "pclk_pmu_src", 0x104, 8)
CRU_GATE(PCLK_I2C8_PMU, "pclk_i2c8_pmu", "pclk_pmu_src", 0x104, 9)
};
/*
* PLLs
*/
#define PLL_PPLL 8
static struct rk_clk_pll_rate rk3399_pll_rates[] = {
{
.freq = 2208000000,
.refdiv = 1,
.fbdiv = 92,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2184000000,
.refdiv = 1,
.fbdiv = 91,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2160000000,
.refdiv = 1,
.fbdiv = 90,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2136000000,
.refdiv = 1,
.fbdiv = 89,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2112000000,
.refdiv = 1,
.fbdiv = 88,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2088000000,
.refdiv = 1,
.fbdiv = 87,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2064000000,
.refdiv = 1,
.fbdiv = 86,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2040000000,
.refdiv = 1,
.fbdiv = 85,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 2016000000,
.refdiv = 1,
.fbdiv = 84,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1992000000,
.refdiv = 1,
.fbdiv = 83,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1968000000,
.refdiv = 1,
.fbdiv = 82,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1944000000,
.refdiv = 1,
.fbdiv = 81,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1920000000,
.refdiv = 1,
.fbdiv = 80,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1896000000,
.refdiv = 1,
.fbdiv = 79,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1872000000,
.refdiv = 1,
.fbdiv = 78,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1848000000,
.refdiv = 1,
.fbdiv = 77,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1824000000,
.refdiv = 1,
.fbdiv = 76,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1800000000,
.refdiv = 1,
.fbdiv = 75,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1776000000,
.refdiv = 1,
.fbdiv = 74,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1752000000,
.refdiv = 1,
.fbdiv = 73,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1728000000,
.refdiv = 1,
.fbdiv = 72,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1704000000,
.refdiv = 1,
.fbdiv = 71,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1680000000,
.refdiv = 1,
.fbdiv = 70,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1656000000,
.refdiv = 1,
.fbdiv = 69,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1632000000,
.refdiv = 1,
.fbdiv = 68,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1608000000,
.refdiv = 1,
.fbdiv = 67,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1600000000,
.refdiv = 3,
.fbdiv = 200,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1584000000,
.refdiv = 1,
.fbdiv = 66,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1560000000,
.refdiv = 1,
.fbdiv = 65,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1536000000,
.refdiv = 1,
.fbdiv = 64,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1512000000,
.refdiv = 1,
.fbdiv = 63,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1488000000,
.refdiv = 1,
.fbdiv = 62,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1464000000,
.refdiv = 1,
.fbdiv = 61,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1440000000,
.refdiv = 1,
.fbdiv = 60,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1416000000,
.refdiv = 1,
.fbdiv = 59,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1392000000,
.refdiv = 1,
.fbdiv = 58,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1368000000,
.refdiv = 1,
.fbdiv = 57,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1344000000,
.refdiv = 1,
.fbdiv = 56,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1320000000,
.refdiv = 1,
.fbdiv = 55,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1296000000,
.refdiv = 1,
.fbdiv = 54,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1272000000,
.refdiv = 1,
.fbdiv = 53,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1248000000,
.refdiv = 1,
.fbdiv = 52,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1200000000,
.refdiv = 1,
.fbdiv = 50,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1188000000,
.refdiv = 2,
.fbdiv = 99,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1104000000,
.refdiv = 1,
.fbdiv = 46,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1100000000,
.refdiv = 12,
.fbdiv = 550,
.postdiv1 = 1,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1008000000,
.refdiv = 1,
.fbdiv = 84,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 1000000000,
.refdiv = 1,
.fbdiv = 125,
.postdiv1 = 3,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 984000000,
.refdiv = 1,
.fbdiv = 82,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 960000000,
.refdiv = 1,
.fbdiv = 80,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 936000000,
.refdiv = 1,
.fbdiv = 78,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 912000000,
.refdiv = 1,
.fbdiv = 76,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 900000000,
.refdiv = 4,
.fbdiv = 300,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 888000000,
.refdiv = 1,
.fbdiv = 74,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 864000000,
.refdiv = 1,
.fbdiv = 72,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 840000000,
.refdiv = 1,
.fbdiv = 70,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 816000000,
.refdiv = 1,
.fbdiv = 68,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 800000000,
.refdiv = 1,
.fbdiv = 100,
.postdiv1 = 3,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 700000000,
.refdiv = 6,
.fbdiv = 350,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 696000000,
.refdiv = 1,
.fbdiv = 58,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 676000000,
.refdiv = 3,
.fbdiv = 169,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 600000000,
.refdiv = 1,
.fbdiv = 75,
.postdiv1 = 3,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 594000000,
.refdiv = 1,
.fbdiv = 99,
.postdiv1 = 4,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 533250000,
.refdiv = 8,
.fbdiv = 711,
.postdiv1 = 4,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 504000000,
.refdiv = 1,
.fbdiv = 63,
.postdiv1 = 3,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 500000000,
.refdiv = 6,
.fbdiv = 250,
.postdiv1 = 2,
.postdiv2 = 1,
.dsmpd = 1,
},
{
.freq = 408000000,
.refdiv = 1,
.fbdiv = 68,
.postdiv1 = 2,
.postdiv2 = 2,
.dsmpd = 1,
},
{
.freq = 312000000,
.refdiv = 1,
.fbdiv = 52,
.postdiv1 = 2,
.postdiv2 = 2,
.dsmpd = 1,
},
{
.freq = 297000000,
.refdiv = 1,
.fbdiv = 99,
.postdiv1 = 4,
.postdiv2 = 2,
.dsmpd = 1,
},
{
.freq = 216000000,
.refdiv = 1,
.fbdiv = 72,
.postdiv1 = 4,
.postdiv2 = 2,
.dsmpd = 1,
},
{
.freq = 148500000,
.refdiv = 1,
.fbdiv = 99,
.postdiv1 = 4,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 106500000,
.refdiv = 1,
.fbdiv = 71,
.postdiv1 = 4,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 96000000,
.refdiv = 1,
.fbdiv = 64,
.postdiv1 = 4,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 74250000,
.refdiv = 2,
.fbdiv = 99,
.postdiv1 = 4,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 65000000,
.refdiv = 1,
.fbdiv = 65,
.postdiv1 = 6,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 54000000,
.refdiv = 1,
.fbdiv = 54,
.postdiv1 = 6,
.postdiv2 = 4,
.dsmpd = 1,
},
{
.freq = 27000000,
.refdiv = 1,
.fbdiv = 27,
.postdiv1 = 6,
.postdiv2 = 4,
.dsmpd = 1,
},
{},
};
static const char *pll_parents[] = {"xin24m"};
static struct rk_clk_pll_def ppll = {
.clkdef = {
.id = PLL_PPLL,
.name = "ppll",
.parent_names = pll_parents,
.parent_cnt = nitems(pll_parents),
},
.base_offset = 0x00,
.gate_offset = 0x100,
.gate_shift = 0,
.mode_reg = 0xc,
.mode_val = 1 << 8,
.flags = RK_CLK_PLL_HAVE_GATE,
.rates = rk3399_pll_rates,
};
static const char *pmu_parents[] = {"ppll"};
#define PCLK_PMU_SRC 1000
static struct rk_clk_composite_def pclk_pmu_src = {
.clkdef = {
.id = PCLK_PMU_SRC,
.name = "pclk_pmu_src",
.parent_names = pmu_parents,
.parent_cnt = nitems(pmu_parents),
},
/* PMUCRU_CLKSEL_CON0 */
.muxdiv_offset = 0x80,
.div_shift = 0,
.div_width = 5,
.gate_offset = 0x100,
.gate_shift = 4,
.flags = RK_CLK_COMPOSITE_HAVE_GATE,
};
#define SCLK_I2C0_PMU 9
#define SCLK_I2C4_PMU 10
#define SCLK_I2C8_PMU 11
static struct rk_clk_composite_def i2c0 = {
.clkdef = {
.id = SCLK_I2C0_PMU,
.name = "clk_i2c0",
.parent_names = pmu_parents,
.parent_cnt = nitems(pmu_parents),
},
/* PMUCRU_CLKSEL_CON2 */
.muxdiv_offset = 0x88,
.div_shift = 0,
.div_width = 7,
/* PMUCRU_CLKGATE_CON0 */
.gate_offset = 0x100,
.gate_shift = 9,
.flags = RK_CLK_COMPOSITE_HAVE_GATE,
};
static struct rk_clk_composite_def i2c4 = {
.clkdef = {
.id = SCLK_I2C4_PMU,
.name = "clk_i2c4",
.parent_names = pmu_parents,
.parent_cnt = nitems(pmu_parents),
},
/* PMUCRU_CLKSEL_CON3 */
.muxdiv_offset = 0x8c,
.div_shift = 0,
.div_width = 7,
/* PMUCRU_CLKGATE_CON0 */
.gate_offset = 0x100,
.gate_shift = 10,
.flags = RK_CLK_COMPOSITE_HAVE_GATE,
};
static struct rk_clk_composite_def i2c8 = {
.clkdef = {
.id = SCLK_I2C8_PMU,
.name = "clk_i2c8",
.parent_names = pmu_parents,
.parent_cnt = nitems(pmu_parents),
},
/* PMUCRU_CLKSEL_CON2 */
.muxdiv_offset = 0x88,
.div_shift = 8,
.div_width = 7,
/* PMUCRU_CLKGATE_CON0 */
.gate_offset = 0x100,
.gate_shift = 11,
.flags = RK_CLK_COMPOSITE_HAVE_GATE,
};
static struct rk_clk rk3399_pmu_clks[] = {
{
.type = RK_CLK_PLL,
.clk.pll = &ppll
},
{
.type = RK_CLK_COMPOSITE,
.clk.composite = &pclk_pmu_src
},
{
.type = RK_CLK_COMPOSITE,
.clk.composite = &i2c0
},
{
.type = RK_CLK_COMPOSITE,
.clk.composite = &i2c4
},
{
.type = RK_CLK_COMPOSITE,
.clk.composite = &i2c8
},
};
static int
rk3399_pmucru_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_is_compatible(dev, "rockchip,rk3399-pmucru")) {
device_set_desc(dev, "Rockchip RK3399 PMU Clock and Reset Unit");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
rk3399_pmucru_attach(device_t dev)
{
struct rk_cru_softc *sc;
sc = device_get_softc(dev);
sc->dev = dev;
sc->gates = rk3399_pmu_gates;
sc->ngates = nitems(rk3399_pmu_gates);
sc->clks = rk3399_pmu_clks;
sc->nclks = nitems(rk3399_pmu_clks);
return (rk_cru_attach(dev));
}
static device_method_t rk3399_pmucru_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, rk3399_pmucru_probe),
DEVMETHOD(device_attach, rk3399_pmucru_attach),
DEVMETHOD_END
};
static devclass_t rk3399_pmucru_devclass;
DEFINE_CLASS_1(rk3399_pmucru, rk3399_pmucru_driver, rk3399_pmucru_methods,
sizeof(struct rk_cru_softc), rk_cru_driver);
EARLY_DRIVER_MODULE(rk3399_pmucru, simplebus, rk3399_pmucru_driver,
rk3399_pmucru_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
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