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linux/drivers/clk/rockchip/clk-rk3128.c
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 
Based on 3 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] this program is distributed in the hope that
  it will be useful but without any warranty without even the implied
  warranty of merchantability or fitness for a particular purpose see
  the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] this program is distributed in the hope
  that it will be useful but without any warranty without even the
  implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

648 lines
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2017 Rockchip Electronics Co. Ltd.
* Author: Elaine <zhangqing@rock-chips.com>
*/
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/syscore_ops.h>
#include <dt-bindings/clock/rk3128-cru.h>
#include "clk.h"
#define RK3128_GRF_SOC_STATUS0 0x14c
enum rk3128_plls {
apll, dpll, cpll, gpll,
};
static struct rockchip_pll_rate_table rk3128_pll_rates[] = {
/* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0),
RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0),
RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0),
RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0),
RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0),
RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0),
RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0),
RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0),
RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0),
RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0),
RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0),
RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0),
RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0),
RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0),
RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0),
RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0),
RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0),
RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0),
RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0),
RK3036_PLL_RATE(984000000, 1, 82, 2, 1, 1, 0),
RK3036_PLL_RATE(960000000, 1, 80, 2, 1, 1, 0),
RK3036_PLL_RATE(936000000, 1, 78, 2, 1, 1, 0),
RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
RK3036_PLL_RATE(900000000, 4, 300, 2, 1, 1, 0),
RK3036_PLL_RATE(888000000, 1, 74, 2, 1, 1, 0),
RK3036_PLL_RATE(864000000, 1, 72, 2, 1, 1, 0),
RK3036_PLL_RATE(840000000, 1, 70, 2, 1, 1, 0),
RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
RK3036_PLL_RATE(800000000, 6, 400, 2, 1, 1, 0),
RK3036_PLL_RATE(700000000, 6, 350, 2, 1, 1, 0),
RK3036_PLL_RATE(696000000, 1, 58, 2, 1, 1, 0),
RK3036_PLL_RATE(600000000, 1, 75, 3, 1, 1, 0),
RK3036_PLL_RATE(594000000, 2, 99, 2, 1, 1, 0),
RK3036_PLL_RATE(504000000, 1, 63, 3, 1, 1, 0),
RK3036_PLL_RATE(500000000, 6, 250, 2, 1, 1, 0),
RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
RK3036_PLL_RATE(312000000, 1, 52, 2, 2, 1, 0),
RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0),
RK3036_PLL_RATE(96000000, 1, 64, 4, 4, 1, 0),
{ /* sentinel */ },
};
#define RK3128_DIV_CPU_MASK 0x1f
#define RK3128_DIV_CPU_SHIFT 8
#define RK3128_DIV_PERI_MASK 0xf
#define RK3128_DIV_PERI_SHIFT 0
#define RK3128_DIV_ACLK_MASK 0x7
#define RK3128_DIV_ACLK_SHIFT 4
#define RK3128_DIV_HCLK_MASK 0x3
#define RK3128_DIV_HCLK_SHIFT 8
#define RK3128_DIV_PCLK_MASK 0x7
#define RK3128_DIV_PCLK_SHIFT 12
#define RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div) \
{ \
.reg = RK2928_CLKSEL_CON(1), \
.val = HIWORD_UPDATE(_pclk_dbg_div, RK3128_DIV_PERI_MASK, \
RK3128_DIV_PERI_SHIFT) | \
HIWORD_UPDATE(_core_aclk_div, RK3128_DIV_ACLK_MASK, \
RK3128_DIV_ACLK_SHIFT), \
}
#define RK3128_CPUCLK_RATE(_prate, _core_aclk_div, _pclk_dbg_div) \
{ \
.prate = _prate, \
.divs = { \
RK3128_CLKSEL1(_core_aclk_div, _pclk_dbg_div), \
}, \
}
static struct rockchip_cpuclk_rate_table rk3128_cpuclk_rates[] __initdata = {
RK3128_CPUCLK_RATE(1800000000, 1, 7),
RK3128_CPUCLK_RATE(1704000000, 1, 7),
RK3128_CPUCLK_RATE(1608000000, 1, 7),
RK3128_CPUCLK_RATE(1512000000, 1, 7),
RK3128_CPUCLK_RATE(1488000000, 1, 5),
RK3128_CPUCLK_RATE(1416000000, 1, 5),
RK3128_CPUCLK_RATE(1392000000, 1, 5),
RK3128_CPUCLK_RATE(1296000000, 1, 5),
RK3128_CPUCLK_RATE(1200000000, 1, 5),
RK3128_CPUCLK_RATE(1104000000, 1, 5),
RK3128_CPUCLK_RATE(1008000000, 1, 5),
RK3128_CPUCLK_RATE(912000000, 1, 5),
RK3128_CPUCLK_RATE(816000000, 1, 3),
RK3128_CPUCLK_RATE(696000000, 1, 3),
RK3128_CPUCLK_RATE(600000000, 1, 3),
RK3128_CPUCLK_RATE(408000000, 1, 1),
RK3128_CPUCLK_RATE(312000000, 1, 1),
RK3128_CPUCLK_RATE(216000000, 1, 1),
RK3128_CPUCLK_RATE(96000000, 1, 1),
};
static const struct rockchip_cpuclk_reg_data rk3128_cpuclk_data = {
.core_reg = RK2928_CLKSEL_CON(0),
.div_core_shift = 0,
.div_core_mask = 0x1f,
.mux_core_alt = 1,
.mux_core_main = 0,
.mux_core_shift = 7,
.mux_core_mask = 0x1,
};
PNAME(mux_pll_p) = { "clk_24m", "xin24m" };
PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_div2_ddr" };
PNAME(mux_armclk_p) = { "apll_core", "gpll_div2_core" };
PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" };
PNAME(mux_aclk_cpu_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480m" };
PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" };
PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" };
PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" };
PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" };
PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" };
PNAME(mux_i2s0_p) = { "i2s0_src", "i2s0_frac", "ext_i2s", "xin12m" };
PNAME(mux_i2s1_pre_p) = { "i2s1_src", "i2s1_frac", "ext_i2s", "xin12m" };
PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" };
PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" };
PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
PNAME(mux_sclk_gmac_p) = { "sclk_gmac_src", "gmac_clkin" };
PNAME(mux_sclk_sfc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" };
static struct rockchip_pll_clock rk3128_pll_clks[] __initdata = {
[apll] = PLL(pll_rk3036, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
RK2928_MODE_CON, 0, 1, 0, rk3128_pll_rates),
[dpll] = PLL(pll_rk3036, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
RK2928_MODE_CON, 4, 0, 0, NULL),
[cpll] = PLL(pll_rk3036, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
RK2928_MODE_CON, 8, 2, 0, rk3128_pll_rates),
[gpll] = PLL(pll_rk3036, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
RK2928_MODE_CON, 12, 3, ROCKCHIP_PLL_SYNC_RATE, rk3128_pll_rates),
};
#define MFLAGS CLK_MUX_HIWORD_MASK
#define DFLAGS CLK_DIVIDER_HIWORD_MASK
#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
static struct rockchip_clk_branch rk3128_i2s0_fracmux __initdata =
MUX(0, "i2s0_pre", mux_i2s0_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(9), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3128_i2s1_fracmux __initdata =
MUX(0, "i2s1_pre", mux_i2s1_pre_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3128_spdif_fracmux __initdata =
MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(6), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3128_uart0_fracmux __initdata =
MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(13), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3128_uart1_fracmux __initdata =
MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(14), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3128_uart2_fracmux __initdata =
MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(15), 8, 2, MFLAGS);
static struct rockchip_clk_branch common_clk_branches[] __initdata = {
/*
* Clock-Architecture Diagram 1
*/
FACTOR(PLL_GPLL_DIV2, "gpll_div2", "gpll", 0, 1, 2),
FACTOR(PLL_GPLL_DIV3, "gpll_div3", "gpll", 0, 1, 3),
DIV(0, "clk_24m", "xin24m", CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
/* PD_DDR */
GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(0), 2, GFLAGS),
GATE(0, "gpll_div2_ddr", "gpll_div2", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(0), 2, GFLAGS),
COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
FACTOR(SCLK_DDRC, "clk_ddrc", "ddrphy2x", 0, 1, 2),
FACTOR(0, "clk_ddrphy", "ddrphy2x", 0, 1, 2),
/* PD_CORE */
GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(0), 6, GFLAGS),
GATE(0, "gpll_div2_core", "gpll_div2", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(0), 6, GFLAGS),
COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
RK2928_CLKGATE_CON(0), 0, GFLAGS),
COMPOSITE_NOMUX(0, "armcore", "armclk", CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
RK2928_CLKGATE_CON(0), 7, GFLAGS),
/* PD_MISC */
MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT,
RK2928_MISC_CON, 15, 1, MFLAGS),
/* PD_CPU */
COMPOSITE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
RK2928_CLKSEL_CON(0), 13, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(0), 1, GFLAGS),
GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", 0,
RK2928_CLKGATE_CON(0), 3, GFLAGS),
COMPOSITE_NOMUX(HCLK_CPU, "hclk_cpu", "aclk_cpu_src", 0,
RK2928_CLKSEL_CON(1), 8, 2, DFLAGS,
RK2928_CLKGATE_CON(0), 4, GFLAGS),
COMPOSITE_NOMUX(PCLK_CPU, "pclk_cpu", "aclk_cpu_src", 0,
RK2928_CLKSEL_CON(1), 12, 2, DFLAGS,
RK2928_CLKGATE_CON(0), 5, GFLAGS),
COMPOSITE_NOMUX(SCLK_CRYPTO, "clk_crypto", "aclk_cpu_src", 0,
RK2928_CLKSEL_CON(24), 0, 2, DFLAGS,
RK2928_CLKGATE_CON(0), 12, GFLAGS),
/* PD_VIDEO */
COMPOSITE(ACLK_VEPU, "aclk_vepu", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(32), 5, 3, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 9, GFLAGS),
FACTOR(HCLK_VEPU, "hclk_vepu", "aclk_vepu", 0, 1, 4),
COMPOSITE(ACLK_VDPU, "aclk_vdpu", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(32), 13, 3, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 11, GFLAGS),
FACTOR_GATE(HCLK_VDPU, "hclk_vdpu", "aclk_vdpu", 0, 1, 4,
RK2928_CLKGATE_CON(3), 12, GFLAGS),
COMPOSITE(SCLK_HEVC_CORE, "sclk_hevc_core", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(34), 13, 3, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 10, GFLAGS),
/* PD_VIO */
COMPOSITE(ACLK_VIO0, "aclk_vio0", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(31), 5, 3, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 0, GFLAGS),
COMPOSITE(ACLK_VIO1, "aclk_vio1", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(31), 13, 3, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(1), 4, GFLAGS),
COMPOSITE(HCLK_VIO, "hclk_vio", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(30), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(0), 11, GFLAGS),
/* PD_PERI */
GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(2), 0, GFLAGS),
GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(2), 0, GFLAGS),
GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(2), 0, GFLAGS),
GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(2), 0, GFLAGS),
COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0,
RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS),
COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0,
RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
RK2928_CLKGATE_CON(2), 3, GFLAGS),
COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0,
RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
RK2928_CLKGATE_CON(2), 2, GFLAGS),
GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0,
RK2928_CLKGATE_CON(2), 1, GFLAGS),
GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0,
RK2928_CLKGATE_CON(10), 3, GFLAGS),
GATE(SCLK_TIMER1, "sclk_timer1", "xin24m", 0,
RK2928_CLKGATE_CON(10), 4, GFLAGS),
GATE(SCLK_TIMER2, "sclk_timer2", "xin24m", 0,
RK2928_CLKGATE_CON(10), 5, GFLAGS),
GATE(SCLK_TIMER3, "sclk_timer3", "xin24m", 0,
RK2928_CLKGATE_CON(10), 6, GFLAGS),
GATE(SCLK_TIMER4, "sclk_timer4", "xin24m", 0,
RK2928_CLKGATE_CON(10), 7, GFLAGS),
GATE(SCLK_TIMER5, "sclk_timer5", "xin24m", 0,
RK2928_CLKGATE_CON(10), 8, GFLAGS),
GATE(SCLK_PVTM_CORE, "clk_pvtm_core", "xin24m", 0,
RK2928_CLKGATE_CON(10), 0, GFLAGS),
GATE(SCLK_PVTM_GPU, "clk_pvtm_gpu", "xin24m", 0,
RK2928_CLKGATE_CON(10), 1, GFLAGS),
GATE(SCLK_PVTM_FUNC, "clk_pvtm_func", "xin24m", 0,
RK2928_CLKGATE_CON(10), 2, GFLAGS),
GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(2), 15, GFLAGS),
COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS,
RK2928_CLKGATE_CON(2), 11, GFLAGS),
COMPOSITE(SCLK_SDIO, "sclk_sdio", mux_mmc_src_p, 0,
RK2928_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 6, DFLAGS,
RK2928_CLKGATE_CON(2), 13, GFLAGS),
COMPOSITE(SCLK_EMMC, "sclk_emmc", mux_mmc_src_p, 0,
RK2928_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 6, DFLAGS,
RK2928_CLKGATE_CON(2), 14, GFLAGS),
DIV(SCLK_PVTM, "clk_pvtm", "clk_pvtm_func", 0,
RK2928_CLKSEL_CON(2), 0, 7, DFLAGS),
/*
* Clock-Architecture Diagram 2
*/
COMPOSITE(DCLK_VOP, "dclk_vop", mux_sclk_vop_src_p, 0,
RK2928_CLKSEL_CON(27), 0, 2, MFLAGS, 8, 8, DFLAGS,
RK2928_CLKGATE_CON(3), 1, GFLAGS),
COMPOSITE(SCLK_VOP, "sclk_vop", mux_sclk_vop_src_p, 0,
RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS,
RK2928_CLKGATE_CON(3), 2, GFLAGS),
COMPOSITE(DCLK_EBC, "dclk_ebc", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(23), 0, 2, MFLAGS, 8, 8, DFLAGS,
RK2928_CLKGATE_CON(3), 4, GFLAGS),
FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
COMPOSITE_NODIV(SCLK_CIF_SRC, "sclk_cif_src", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(29), 0, 2, MFLAGS,
RK2928_CLKGATE_CON(3), 7, GFLAGS),
MUX(SCLK_CIF_OUT_SRC, "sclk_cif_out_src", mux_clk_cif_out_src_p, 0,
RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
DIV(SCLK_CIF_OUT, "sclk_cif_out", "sclk_cif_out_src", 0,
RK2928_CLKSEL_CON(29), 2, 5, DFLAGS),
COMPOSITE(0, "i2s0_src", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(9), 14, 2, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(4), 4, GFLAGS),
COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(8), 0,
RK2928_CLKGATE_CON(4), 5, GFLAGS,
&rk3128_i2s0_fracmux),
GATE(SCLK_I2S0, "sclk_i2s0", "i2s0_pre", CLK_SET_RATE_PARENT,
RK2928_CLKGATE_CON(4), 6, GFLAGS),
COMPOSITE(0, "i2s1_src", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(0), 9, GFLAGS),
COMPOSITE_FRACMUX(0, "i2s1_frac", "i2s1_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(7), 0,
RK2928_CLKGATE_CON(0), 10, GFLAGS,
&rk3128_i2s1_fracmux),
GATE(SCLK_I2S1, "sclk_i2s1", "i2s1_pre", CLK_SET_RATE_PARENT,
RK2928_CLKGATE_CON(0), 14, GFLAGS),
COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_out", mux_i2s_out_p, 0,
RK2928_CLKSEL_CON(3), 12, 1, MFLAGS,
RK2928_CLKGATE_CON(0), 13, GFLAGS),
COMPOSITE(0, "sclk_spdif_src", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(6), 14, 2, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(2), 10, GFLAGS),
COMPOSITE_FRACMUX(0, "spdif_frac", "sclk_spdif_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(20), 0,
RK2928_CLKGATE_CON(2), 12, GFLAGS,
&rk3128_spdif_fracmux),
GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(1), 3, GFLAGS),
GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", 0,
RK2928_CLKGATE_CON(1), 5, GFLAGS),
GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin12m", 0,
RK2928_CLKGATE_CON(1), 6, GFLAGS),
COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
RK2928_CLKGATE_CON(2), 8, GFLAGS),
COMPOSITE(ACLK_GPU, "aclk_gpu", mux_pll_src_5plls_p, 0,
RK2928_CLKSEL_CON(34), 5, 3, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 13, GFLAGS),
COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(2), 9, GFLAGS),
/* PD_UART */
COMPOSITE(0, "uart0_src", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(1), 8, GFLAGS),
MUX(0, "uart12_src", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(13), 14, 2, MFLAGS),
COMPOSITE_NOMUX(0, "uart1_src", "uart12_src", 0,
RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
RK2928_CLKGATE_CON(1), 10, GFLAGS),
COMPOSITE_NOMUX(0, "uart2_src", "uart12_src", 0,
RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
RK2928_CLKGATE_CON(1), 13, GFLAGS),
COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(17), 0,
RK2928_CLKGATE_CON(1), 9, GFLAGS,
&rk3128_uart0_fracmux),
COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(18), 0,
RK2928_CLKGATE_CON(1), 11, GFLAGS,
&rk3128_uart1_fracmux),
COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(19), 0,
RK2928_CLKGATE_CON(1), 13, GFLAGS,
&rk3128_uart2_fracmux),
COMPOSITE(SCLK_MAC_SRC, "sclk_gmac_src", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(1), 7, GFLAGS),
MUX(SCLK_MAC, "sclk_gmac", mux_sclk_gmac_p, 0,
RK2928_CLKSEL_CON(5), 15, 1, MFLAGS),
GATE(SCLK_MAC_REFOUT, "sclk_mac_refout", "sclk_gmac", 0,
RK2928_CLKGATE_CON(2), 5, GFLAGS),
GATE(SCLK_MAC_REF, "sclk_mac_ref", "sclk_gmac", 0,
RK2928_CLKGATE_CON(2), 4, GFLAGS),
GATE(SCLK_MAC_RX, "sclk_mac_rx", "sclk_gmac", 0,
RK2928_CLKGATE_CON(2), 6, GFLAGS),
GATE(SCLK_MAC_TX, "sclk_mac_tx", "sclk_gmac", 0,
RK2928_CLKGATE_CON(2), 7, GFLAGS),
COMPOSITE(SCLK_TSP, "sclk_tsp", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(1), 14, GFLAGS),
COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(2), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(10), 15, GFLAGS),
COMPOSITE_NOMUX(PCLK_PMU_PRE, "pclk_pmu_pre", "cpll", 0,
RK2928_CLKSEL_CON(29), 8, 6, DFLAGS,
RK2928_CLKGATE_CON(1), 0, GFLAGS),
/*
* Clock-Architecture Diagram 3
*/
/* PD_VOP */
GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
GATE(ACLK_CIF, "aclk_cif", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
GATE(ACLK_RGA, "aclk_rga", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
GATE(0, "aclk_vio0_niu", "aclk_vio0", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
GATE(ACLK_IEP, "aclk_iep", "aclk_vio1", 0, RK2928_CLKGATE_CON(9), 8, GFLAGS),
GATE(0, "aclk_vio1_niu", "aclk_vio1", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 10, GFLAGS),
GATE(HCLK_VIO_H2P, "hclk_vio_h2p", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
GATE(PCLK_MIPI, "pclk_mipi", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
GATE(HCLK_RGA, "hclk_rga", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
GATE(HCLK_IEP, "hclk_iep", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 7, GFLAGS),
GATE(0, "hclk_vio_niu", "hclk_vio", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
GATE(HCLK_CIF, "hclk_cif", "hclk_vio", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
GATE(HCLK_EBC, "hclk_ebc", "hclk_vio", 0, RK2928_CLKGATE_CON(9), 9, GFLAGS),
/* PD_PERI */
GATE(0, "aclk_peri_axi", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
GATE(ACLK_GMAC, "aclk_gmac", "aclk_peri", 0, RK2928_CLKGATE_CON(10), 10, GFLAGS),
GATE(ACLK_DMAC, "aclk_dmac", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 15, GFLAGS),
GATE(0, "aclk_cpu_to_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
GATE(HCLK_I2S_8CH, "hclk_i2s_8ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
GATE(0, "hclk_peri_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS),
GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS),
GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS),
GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS),
GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
GATE(0, "hclk_emmc_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 6, GFLAGS),
GATE(HCLK_NANDC, "hclk_nandc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
GATE(HCLK_USBHOST, "hclk_usbhost", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 14, GFLAGS),
GATE(PCLK_SIM_CARD, "pclk_sim_card", "pclk_peri", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
GATE(PCLK_GMAC, "pclk_gmac", "pclk_peri", 0, RK2928_CLKGATE_CON(10), 11, GFLAGS),
GATE(0, "pclk_peri_axi", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
GATE(PCLK_UART0, "pclk_uart0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
GATE(PCLK_UART1, "pclk_uart1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
GATE(PCLK_I2C0, "pclk_i2c0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
GATE(PCLK_I2C1, "pclk_i2c1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
GATE(PCLK_EFUSE, "pclk_efuse", "pclk_peri", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 7, GFLAGS),
GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
/* PD_BUS */
GATE(0, "aclk_initmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
GATE(0, "hclk_rom", "hclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 6, GFLAGS),
GATE(HCLK_CRYPTO, "hclk_crypto", "hclk_cpu", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
GATE(PCLK_ACODEC, "pclk_acodec", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 14, GFLAGS),
GATE(0, "pclk_ddrupctl", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 7, GFLAGS),
GATE(0, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
GATE(0, "pclk_mipiphy", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 0, GFLAGS),
GATE(0, "pclk_pmu", "pclk_pmu_pre", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
GATE(0, "pclk_pmu_niu", "pclk_pmu_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 3, GFLAGS),
/* PD_MMC */
MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1),
MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 0),
MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1),
MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0),
};
static struct rockchip_clk_branch rk3126_clk_branches[] __initdata = {
GATE(0, "pclk_stimer", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 15, GFLAGS),
GATE(0, "pclk_s_efuse", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS),
GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 8, GFLAGS),
};
static struct rockchip_clk_branch rk3128_clk_branches[] __initdata = {
COMPOSITE(SCLK_SFC, "sclk_sfc", mux_sclk_sfc_src_p, 0,
RK2928_CLKSEL_CON(11), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 15, GFLAGS),
GATE(HCLK_GPS, "hclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
GATE(PCLK_HDMI, "pclk_hdmi", "pclk_cpu", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
};
static const char *const rk3128_critical_clocks[] __initconst = {
"aclk_cpu",
"hclk_cpu",
"pclk_cpu",
"aclk_peri",
"hclk_peri",
"pclk_peri",
"pclk_pmu",
"sclk_timer5",
};
static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
void __iomem *reg_base;
reg_base = of_iomap(np, 0);
if (!reg_base) {
pr_err("%s: could not map cru region\n", __func__);
return ERR_PTR(-ENOMEM);
}
ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
if (IS_ERR(ctx)) {
pr_err("%s: rockchip clk init failed\n", __func__);
iounmap(reg_base);
return ERR_PTR(-ENOMEM);
}
rockchip_clk_register_plls(ctx, rk3128_pll_clks,
ARRAY_SIZE(rk3128_pll_clks),
RK3128_GRF_SOC_STATUS0);
rockchip_clk_register_branches(ctx, common_clk_branches,
ARRAY_SIZE(common_clk_branches));
rockchip_clk_register_armclk(ctx, ARMCLK, "armclk",
mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
&rk3128_cpuclk_data, rk3128_cpuclk_rates,
ARRAY_SIZE(rk3128_cpuclk_rates));
rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
ROCKCHIP_SOFTRST_HIWORD_MASK);
rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
return ctx;
}
static void __init rk3126_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
ctx = rk3128_common_clk_init(np);
if (IS_ERR(ctx))
return;
rockchip_clk_register_branches(ctx, rk3126_clk_branches,
ARRAY_SIZE(rk3126_clk_branches));
rockchip_clk_protect_critical(rk3128_critical_clocks,
ARRAY_SIZE(rk3128_critical_clocks));
rockchip_clk_of_add_provider(np, ctx);
}
CLK_OF_DECLARE(rk3126_cru, "rockchip,rk3126-cru", rk3126_clk_init);
static void __init rk3128_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
ctx = rk3128_common_clk_init(np);
if (IS_ERR(ctx))
return;
rockchip_clk_register_branches(ctx, rk3128_clk_branches,
ARRAY_SIZE(rk3128_clk_branches));
rockchip_clk_protect_critical(rk3128_critical_clocks,
ARRAY_SIZE(rk3128_critical_clocks));
rockchip_clk_of_add_provider(np, ctx);
}
CLK_OF_DECLARE(rk3128_cru, "rockchip,rk3128-cru", rk3128_clk_init);
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