path: root/drivers/clk/rockchip/clk-rk3368.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
 */

#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/rk3368-cru.h>
#include "clk.h"

#define RK3368_GRF_SOC_STATUS0	0x480

enum rk3368_plls {
	apllb, aplll, dpll, cpll, gpll, npll,
};

static struct rockchip_pll_rate_table rk3368_pll_rates[] = {
	RK3066_PLL_RATE(2208000000, 1, 92, 1),
	RK3066_PLL_RATE(2184000000, 1, 91, 1),
	RK3066_PLL_RATE(2160000000, 1, 90, 1),
	RK3066_PLL_RATE(2136000000, 1, 89, 1),
	RK3066_PLL_RATE(2112000000, 1, 88, 1),
	RK3066_PLL_RATE(2088000000, 1, 87, 1),
	RK3066_PLL_RATE(2064000000, 1, 86, 1),
	RK3066_PLL_RATE(2040000000, 1, 85, 1),
	RK3066_PLL_RATE(2016000000, 1, 84, 1),
	RK3066_PLL_RATE(1992000000, 1, 83, 1),
	RK3066_PLL_RATE(1968000000, 1, 82, 1),
	RK3066_PLL_RATE(1944000000, 1, 81, 1),
	RK3066_PLL_RATE(1920000000, 1, 80, 1),
	RK3066_PLL_RATE(1896000000, 1, 79, 1),
	RK3066_PLL_RATE(1872000000, 1, 78, 1),
	RK3066_PLL_RATE(1848000000, 1, 77, 1),
	RK3066_PLL_RATE(1824000000, 1, 76, 1),
	RK3066_PLL_RATE(1800000000, 1, 75, 1),
	RK3066_PLL_RATE(1776000000, 1, 74, 1),
	RK3066_PLL_RATE(1752000000, 1, 73, 1),
	RK3066_PLL_RATE(1728000000, 1, 72, 1),
	RK3066_PLL_RATE(1704000000, 1, 71, 1),
	RK3066_PLL_RATE(1680000000, 1, 70, 1),
	RK3066_PLL_RATE(1656000000, 1, 69, 1),
	RK3066_PLL_RATE(1632000000, 1, 68, 1),
	RK3066_PLL_RATE(1608000000, 1, 67, 1),
	RK3066_PLL_RATE(1560000000, 1, 65, 1),
	RK3066_PLL_RATE(1512000000, 1, 63, 1),
	RK3066_PLL_RATE(1488000000, 1, 62, 1),
	RK3066_PLL_RATE(1464000000, 1, 61, 1),
	RK3066_PLL_RATE(1440000000, 1, 60, 1),
	RK3066_PLL_RATE(1416000000, 1, 59, 1),
	RK3066_PLL_RATE(1392000000, 1, 58, 1),
	RK3066_PLL_RATE(1368000000, 1, 57, 1),
	RK3066_PLL_RATE(1344000000, 1, 56, 1),
	RK3066_PLL_RATE(1320000000, 1, 55, 1),
	RK3066_PLL_RATE(1296000000, 1, 54, 1),
	RK3066_PLL_RATE(1272000000, 1, 53, 1),
	RK3066_PLL_RATE(1248000000, 1, 52, 1),
	RK3066_PLL_RATE(1224000000, 1, 51, 1),
	RK3066_PLL_RATE(1200000000, 1, 50, 1),
	RK3066_PLL_RATE(1176000000, 1, 49, 1),
	RK3066_PLL_RATE(1128000000, 1, 47, 1),
	RK3066_PLL_RATE(1104000000, 1, 46, 1),
	RK3066_PLL_RATE(1008000000, 1, 84, 2),
	RK3066_PLL_RATE( 912000000, 1, 76, 2),
	RK3066_PLL_RATE( 888000000, 1, 74, 2),
	RK3066_PLL_RATE( 816000000, 1, 68, 2),
	RK3066_PLL_RATE( 792000000, 1, 66, 2),
	RK3066_PLL_RATE( 696000000, 1, 58, 2),
	RK3066_PLL_RATE( 672000000, 1, 56, 2),
	RK3066_PLL_RATE( 648000000, 1, 54, 2),
	RK3066_PLL_RATE( 624000000, 1, 52, 2),
	RK3066_PLL_RATE( 600000000, 1, 50, 2),
	RK3066_PLL_RATE( 576000000, 1, 48, 2),
	RK3066_PLL_RATE( 552000000, 1, 46, 2),
	RK3066_PLL_RATE( 528000000, 1, 88, 4),
	RK3066_PLL_RATE( 504000000, 1, 84, 4),
	RK3066_PLL_RATE( 480000000, 1, 80, 4),
	RK3066_PLL_RATE( 456000000, 1, 76, 4),
	RK3066_PLL_RATE( 408000000, 1, 68, 4),
	RK3066_PLL_RATE( 312000000, 1, 52, 4),
	RK3066_PLL_RATE( 252000000, 1, 84, 8),
	RK3066_PLL_RATE( 216000000, 1, 72, 8),
	RK3066_PLL_RATE( 126000000, 2, 84, 8),
	RK3066_PLL_RATE(  48000000, 2, 32, 8),
	{ /* sentinel */ },
};

PNAME(mux_pll_p)		= { "xin24m", "xin32k" };
PNAME(mux_armclkb_p)		= { "apllb_core", "gpllb_core" };
PNAME(mux_armclkl_p)		= { "aplll_core", "gplll_core" };
PNAME(mux_ddrphy_p)		= { "dpll_ddr", "gpll_ddr" };
PNAME(mux_cs_src_p)		= { "apllb_cs", "aplll_cs", "gpll_cs"};
PNAME(mux_aclk_bus_src_p)	= { "cpll_aclk_bus", "gpll_aclk_bus" };

PNAME(mux_pll_src_cpll_gpll_p)		= { "cpll", "gpll" };
PNAME(mux_pll_src_cpll_gpll_npll_p)	= { "cpll", "gpll", "npll" };
PNAME(mux_pll_src_npll_cpll_gpll_p)	= { "npll", "cpll", "gpll" };
PNAME(mux_pll_src_cpll_gpll_usb_p)	= { "cpll", "gpll", "usbphy_480m" };
PNAME(mux_pll_src_cpll_gpll_usb_usb_p)	= { "cpll", "gpll", "usbphy_480m",
					    "usbphy_480m" };
PNAME(mux_pll_src_cpll_gpll_usb_npll_p)	= { "cpll", "gpll", "usbphy_480m",
					    "npll" };
PNAME(mux_pll_src_cpll_gpll_npll_npll_p) = { "cpll", "gpll", "npll", "npll" };
PNAME(mux_pll_src_cpll_gpll_npll_usb_p) = { "cpll", "gpll", "npll",
					    "usbphy_480m" };

PNAME(mux_i2s_8ch_pre_p)	= { "i2s_8ch_src", "i2s_8ch_frac",
				    "ext_