1166 lines
28 KiB
C
1166 lines
28 KiB
C
/* linux/arch/arm/mach-s5pv210/clock.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* S5PV210 - Clock support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/errno.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/sysdev.h>
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#include <linux/io.h>
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#include <mach/map.h>
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#include <plat/cpu-freq.h>
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#include <mach/regs-clock.h>
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#include <plat/clock.h>
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#include <plat/cpu.h>
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#include <plat/pll.h>
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#include <plat/s5p-clock.h>
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#include <plat/clock-clksrc.h>
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#include <plat/s5pv210.h>
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static unsigned long xtal;
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static struct clksrc_clk clk_mout_apll = {
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.clk = {
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.name = "mout_apll",
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},
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.sources = &clk_src_apll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
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};
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static struct clksrc_clk clk_mout_epll = {
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.clk = {
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.name = "mout_epll",
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},
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.sources = &clk_src_epll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
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};
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static struct clksrc_clk clk_mout_mpll = {
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.clk = {
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.name = "mout_mpll",
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},
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.sources = &clk_src_mpll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
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};
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static struct clk *clkset_armclk_list[] = {
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[0] = &clk_mout_apll.clk,
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[1] = &clk_mout_mpll.clk,
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};
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static struct clksrc_sources clkset_armclk = {
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.sources = clkset_armclk_list,
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.nr_sources = ARRAY_SIZE(clkset_armclk_list),
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};
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static struct clksrc_clk clk_armclk = {
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.clk = {
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.name = "armclk",
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},
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.sources = &clkset_armclk,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 },
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};
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static struct clksrc_clk clk_hclk_msys = {
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.clk = {
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.name = "hclk_msys",
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.parent = &clk_armclk.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
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};
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static struct clksrc_clk clk_pclk_msys = {
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.clk = {
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.name = "pclk_msys",
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.parent = &clk_hclk_msys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 },
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};
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static struct clksrc_clk clk_sclk_a2m = {
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.clk = {
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.name = "sclk_a2m",
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.parent = &clk_mout_apll.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
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};
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static struct clk *clkset_hclk_sys_list[] = {
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[0] = &clk_mout_mpll.clk,
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[1] = &clk_sclk_a2m.clk,
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};
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static struct clksrc_sources clkset_hclk_sys = {
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.sources = clkset_hclk_sys_list,
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.nr_sources = ARRAY_SIZE(clkset_hclk_sys_list),
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};
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static struct clksrc_clk clk_hclk_dsys = {
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.clk = {
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.name = "hclk_dsys",
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},
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.sources = &clkset_hclk_sys,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
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};
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static struct clksrc_clk clk_pclk_dsys = {
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.clk = {
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.name = "pclk_dsys",
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.parent = &clk_hclk_dsys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
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};
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static struct clksrc_clk clk_hclk_psys = {
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.clk = {
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.name = "hclk_psys",
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},
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.sources = &clkset_hclk_sys,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 },
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
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};
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static struct clksrc_clk clk_pclk_psys = {
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.clk = {
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.name = "pclk_psys",
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.parent = &clk_hclk_psys.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
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};
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static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
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}
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static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
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}
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static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
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}
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static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
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}
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static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable);
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}
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static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable);
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}
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static struct clk clk_sclk_hdmi27m = {
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.name = "sclk_hdmi27m",
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.rate = 27000000,
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};
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static struct clk clk_sclk_hdmiphy = {
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.name = "sclk_hdmiphy",
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};
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static struct clk clk_sclk_usbphy0 = {
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.name = "sclk_usbphy0",
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};
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static struct clk clk_sclk_usbphy1 = {
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.name = "sclk_usbphy1",
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};
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static struct clk clk_pcmcdclk0 = {
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.name = "pcmcdclk",
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};
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static struct clk clk_pcmcdclk1 = {
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.name = "pcmcdclk",
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};
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static struct clk clk_pcmcdclk2 = {
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.name = "pcmcdclk",
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};
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static struct clk *clkset_vpllsrc_list[] = {
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[0] = &clk_fin_vpll,
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[1] = &clk_sclk_hdmi27m,
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};
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static struct clksrc_sources clkset_vpllsrc = {
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.sources = clkset_vpllsrc_list,
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.nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
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};
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static struct clksrc_clk clk_vpllsrc = {
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.clk = {
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.name = "vpll_src",
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.enable = s5pv210_clk_mask0_ctrl,
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.ctrlbit = (1 << 7),
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},
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.sources = &clkset_vpllsrc,
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.reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .size = 1 },
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};
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static struct clk *clkset_sclk_vpll_list[] = {
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[0] = &clk_vpllsrc.clk,
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[1] = &clk_fout_vpll,
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};
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static struct clksrc_sources clkset_sclk_vpll = {
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.sources = clkset_sclk_vpll_list,
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.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
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};
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static struct clksrc_clk clk_sclk_vpll = {
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.clk = {
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.name = "sclk_vpll",
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},
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.sources = &clkset_sclk_vpll,
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.reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
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};
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static struct clk *clkset_moutdmc0src_list[] = {
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[0] = &clk_sclk_a2m.clk,
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[1] = &clk_mout_mpll.clk,
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[2] = NULL,
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[3] = NULL,
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};
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static struct clksrc_sources clkset_moutdmc0src = {
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.sources = clkset_moutdmc0src_list,
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.nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list),
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};
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static struct clksrc_clk clk_mout_dmc0 = {
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.clk = {
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.name = "mout_dmc0",
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},
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.sources = &clkset_moutdmc0src,
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.reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
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};
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static struct clksrc_clk clk_sclk_dmc0 = {
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.clk = {
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.name = "sclk_dmc0",
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.parent = &clk_mout_dmc0.clk,
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},
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.reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
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};
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static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
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{
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return clk_get_rate(clk->parent) / 2;
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}
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static struct clk_ops clk_hclk_imem_ops = {
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.get_rate = s5pv210_clk_imem_get_rate,
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};
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static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
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{
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return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
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}
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static struct clk_ops clk_fout_apll_ops = {
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.get_rate = s5pv210_clk_fout_apll_get_rate,
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};
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static struct clk init_clocks_off[] = {
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{
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.name = "pdma",
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.devname = "s3c-pl330.0",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 3),
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}, {
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.name = "pdma",
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.devname = "s3c-pl330.1",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 4),
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}, {
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.name = "rot",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1<<29),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.0",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 24),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.1",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 25),
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}, {
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.name = "fimc",
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.devname = "s5pv210-fimc.2",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 26),
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}, {
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.name = "mfc",
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.devname = "s5p-mfc",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip0_ctrl,
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.ctrlbit = (1 << 16),
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}, {
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.name = "otg",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<16),
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}, {
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.name = "usb-host",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<17),
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}, {
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.name = "lcd",
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.parent = &clk_hclk_dsys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<0),
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}, {
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.name = "cfcon",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip1_ctrl,
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.ctrlbit = (1<<25),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.0",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<16),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.1",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<17),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.2",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<18),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.3",
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.parent = &clk_hclk_psys.clk,
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.enable = s5pv210_clk_ip2_ctrl,
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.ctrlbit = (1<<19),
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}, {
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.name = "systimer",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<16),
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}, {
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.name = "watchdog",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<22),
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}, {
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.name = "rtc",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<15),
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}, {
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.name = "i2c",
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.devname = "s3c2440-i2c.0",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<7),
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}, {
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.name = "i2c",
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.devname = "s3c2440-i2c.1",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1 << 10),
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}, {
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.name = "i2c",
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.devname = "s3c2440-i2c.2",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<9),
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}, {
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.name = "spi",
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.devname = "s3c64xx-spi.0",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<12),
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}, {
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.name = "spi",
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.devname = "s3c64xx-spi.1",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<13),
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}, {
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.name = "spi",
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.devname = "s3c64xx-spi.2",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<14),
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}, {
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.name = "timers",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<23),
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}, {
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.name = "adc",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<24),
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}, {
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.name = "keypad",
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.parent = &clk_pclk_psys.clk,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<21),
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}, {
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.name = "iis",
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.devname = "samsung-i2s.0",
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.parent = &clk_p,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1<<4),
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}, {
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.name = "iis",
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.devname = "samsung-i2s.1",
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.parent = &clk_p,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1 << 5),
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}, {
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.name = "iis",
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.devname = "samsung-i2s.2",
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.parent = &clk_p,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1 << 6),
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}, {
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.name = "spdif",
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.parent = &clk_p,
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.enable = s5pv210_clk_ip3_ctrl,
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.ctrlbit = (1 << 0),
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},
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};
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static struct clk init_clocks[] = {
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{
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.name = "hclk_imem",
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.parent = &clk_hclk_msys.clk,
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.ctrlbit = (1 << 5),
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.enable = s5pv210_clk_ip0_ctrl,
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.ops = &clk_hclk_imem_ops,
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}, {
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.name = "uart",
|
|
.devname = "s5pv210-uart.0",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.1",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 18),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.2",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 19),
|
|
}, {
|
|
.name = "uart",
|
|
.devname = "s5pv210-uart.3",
|
|
.parent = &clk_pclk_psys.clk,
|
|
.enable = s5pv210_clk_ip3_ctrl,
|
|
.ctrlbit = (1 << 20),
|
|
}, {
|
|
.name = "sromc",
|
|
.parent = &clk_hclk_psys.clk,
|
|
.enable = s5pv210_clk_ip1_ctrl,
|
|
.ctrlbit = (1 << 26),
|
|
},
|
|
};
|
|
|
|
static struct clk *clkset_uart_list[] = {
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_uart = {
|
|
.sources = clkset_uart_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_uart_list),
|
|
};
|
|
|
|
static struct clk *clkset_group1_list[] = {
|
|
[0] = &clk_sclk_a2m.clk,
|
|
[1] = &clk_mout_mpll.clk,
|
|
[2] = &clk_mout_epll.clk,
|
|
[3] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_group1 = {
|
|
.sources = clkset_group1_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_group1_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_onenand_list[] = {
|
|
[0] = &clk_hclk_psys.clk,
|
|
[1] = &clk_hclk_dsys.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_onenand = {
|
|
.sources = clkset_sclk_onenand_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_onenand_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_dac_list[] = {
|
|
[0] = &clk_sclk_vpll.clk,
|
|
[1] = &clk_sclk_hdmiphy,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_dac = {
|
|
.sources = clkset_sclk_dac_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_dac_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_dac = {
|
|
.clk = {
|
|
.name = "sclk_dac",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 2),
|
|
},
|
|
.sources = &clkset_sclk_dac,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 1 },
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_pixel = {
|
|
.clk = {
|
|
.name = "sclk_pixel",
|
|
.parent = &clk_sclk_vpll.clk,
|
|
},
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4},
|
|
};
|
|
|
|
static struct clk *clkset_sclk_hdmi_list[] = {
|
|
[0] = &clk_sclk_pixel.clk,
|
|
[1] = &clk_sclk_hdmiphy,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_hdmi = {
|
|
.sources = clkset_sclk_hdmi_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_hdmi = {
|
|
.clk = {
|
|
.name = "sclk_hdmi",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 0),
|
|
},
|
|
.sources = &clkset_sclk_hdmi,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_mixer_list[] = {
|
|
[0] = &clk_sclk_dac.clk,
|
|
[1] = &clk_sclk_hdmi.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_mixer = {
|
|
.sources = clkset_sclk_mixer_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list),
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio0_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk0,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio0 = {
|
|
.sources = clkset_sclk_audio0_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio0 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 24),
|
|
},
|
|
.sources = &clkset_sclk_audio0,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 0, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio1_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk1,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio1 = {
|
|
.sources = clkset_sclk_audio1_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio1_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio1 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 25),
|
|
},
|
|
.sources = &clkset_sclk_audio1,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 4, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_audio2_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_pcmcdclk0,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_audio2 = {
|
|
.sources = clkset_sclk_audio2_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_audio2_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_audio2 = {
|
|
.clk = {
|
|
.name = "sclk_audio",
|
|
.devname = "soc-audio.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 26),
|
|
},
|
|
.sources = &clkset_sclk_audio2,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 8, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 8, .size = 4 },
|
|
};
|
|
|
|
static struct clk *clkset_sclk_spdif_list[] = {
|
|
[0] = &clk_sclk_audio0.clk,
|
|
[1] = &clk_sclk_audio1.clk,
|
|
[2] = &clk_sclk_audio2.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_sclk_spdif = {
|
|
.sources = clkset_sclk_spdif_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list),
|
|
};
|
|
|
|
static struct clksrc_clk clk_sclk_spdif = {
|
|
.clk = {
|
|
.name = "sclk_spdif",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 27),
|
|
.ops = &s5p_sclk_spdif_ops,
|
|
},
|
|
.sources = &clkset_sclk_spdif,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
|
|
};
|
|
|
|
static struct clk *clkset_group2_list[] = {
|
|
[0] = &clk_ext_xtal_mux,
|
|
[1] = &clk_xusbxti,
|
|
[2] = &clk_sclk_hdmi27m,
|
|
[3] = &clk_sclk_usbphy0,
|
|
[4] = &clk_sclk_usbphy1,
|
|
[5] = &clk_sclk_hdmiphy,
|
|
[6] = &clk_mout_mpll.clk,
|
|
[7] = &clk_mout_epll.clk,
|
|
[8] = &clk_sclk_vpll.clk,
|
|
};
|
|
|
|
static struct clksrc_sources clkset_group2 = {
|
|
.sources = clkset_group2_list,
|
|
.nr_sources = ARRAY_SIZE(clkset_group2_list),
|
|
};
|
|
|
|
static struct clksrc_clk clksrcs[] = {
|
|
{
|
|
.clk = {
|
|
.name = "sclk_dmc",
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_onenand",
|
|
},
|
|
.sources = &clkset_sclk_onenand,
|
|
.reg_src = { .reg = S5P_CLK_SRC0, .shift = 28, .size = 1 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 12, .size = 3 },
|
|
}, {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 13),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 14),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 24, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 24, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "uclk1",
|
|
.devname = "s5pv210-uart.3",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 15),
|
|
},
|
|
.sources = &clkset_uart,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 28, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mixer",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 1),
|
|
},
|
|
.sources = &clkset_sclk_mixer,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.0",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 2),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.1",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimc",
|
|
.devname = "s5pv210-fimc.2",
|
|
.enable = s5pv210_clk_mask1_ctrl,
|
|
.ctrlbit = (1 << 4),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_cam",
|
|
.devname = "s5pv210-fimc.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 3),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_cam",
|
|
.devname = "s5pv210-fimc.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 4),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_fimd",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 5),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 8),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 9),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.2",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 10),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 8, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 8, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mmc",
|
|
.devname = "s3c-sdhci.3",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 11),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC4, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_mfc",
|
|
.devname = "s5p-mfc",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 16),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_g2d",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 12),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_g3d",
|
|
.enable = s5pv210_clk_ip0_ctrl,
|
|
.ctrlbit = (1 << 8),
|
|
},
|
|
.sources = &clkset_group1,
|
|
.reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 },
|
|
.reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_csis",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 6),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV1, .shift = 28, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.0",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 16),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 0, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 0, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_spi",
|
|
.devname = "s3c64xx-spi.1",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 17),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 4, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 4, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_pwi",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 29),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC6, .shift = 20, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV6, .shift = 24, .size = 4 },
|
|
}, {
|
|
.clk = {
|
|
.name = "sclk_pwm",
|
|
.enable = s5pv210_clk_mask0_ctrl,
|
|
.ctrlbit = (1 << 19),
|
|
},
|
|
.sources = &clkset_group2,
|
|
.reg_src = { .reg = S5P_CLK_SRC5, .shift = 12, .size = 4 },
|
|
.reg_div = { .reg = S5P_CLK_DIV5, .shift = 12, .size = 4 },
|
|
},
|
|
};
|
|
|
|
/* Clock initialisation code */
|
|
static struct clksrc_clk *sysclks[] = {
|
|
&clk_mout_apll,
|
|
&clk_mout_epll,
|
|
&clk_mout_mpll,
|
|
&clk_armclk,
|
|
&clk_hclk_msys,
|
|
&clk_sclk_a2m,
|
|
&clk_hclk_dsys,
|
|
&clk_hclk_psys,
|
|
&clk_pclk_msys,
|
|
&clk_pclk_dsys,
|
|
&clk_pclk_psys,
|
|
&clk_vpllsrc,
|
|
&clk_sclk_vpll,
|
|
&clk_sclk_dac,
|
|
&clk_sclk_pixel,
|
|
&clk_sclk_hdmi,
|
|
&clk_mout_dmc0,
|
|
&clk_sclk_dmc0,
|
|
&clk_sclk_audio0,
|
|
&clk_sclk_audio1,
|
|
&clk_sclk_audio2,
|
|
&clk_sclk_spdif,
|
|
};
|
|
|
|
static u32 epll_div[][6] = {
|
|
{ 48000000, 0, 48, 3, 3, 0 },
|
|
{ 96000000, 0, 48, 3, 2, 0 },
|
|
{ 144000000, 1, 72, 3, 2, 0 },
|
|
{ 192000000, 0, 48, 3, 1, 0 },
|
|
{ 288000000, 1, 72, 3, 1, 0 },
|
|
{ 32750000, 1, 65, 3, 4, 35127 },
|
|
{ 32768000, 1, 65, 3, 4, 35127 },
|
|
{ 45158400, 0, 45, 3, 3, 10355 },
|
|
{ 45000000, 0, 45, 3, 3, 10355 },
|
|
{ 45158000, 0, 45, 3, 3, 10355 },
|
|
{ 49125000, 0, 49, 3, 3, 9961 },
|
|
{ 49152000, 0, 49, 3, 3, 9961 },
|
|
{ 67737600, 1, 67, 3, 3, 48366 },
|
|
{ 67738000, 1, 67, 3, 3, 48366 },
|
|
{ 73800000, 1, 73, 3, 3, 47710 },
|
|
{ 73728000, 1, 73, 3, 3, 47710 },
|
|
{ 36000000, 1, 32, 3, 4, 0 },
|
|
{ 60000000, 1, 60, 3, 3, 0 },
|
|
{ 72000000, 1, 72, 3, 3, 0 },
|
|
{ 80000000, 1, 80, 3, 3, 0 },
|
|
{ 84000000, 0, 42, 3, 2, 0 },
|
|
{ 50000000, 0, 50, 3, 3, 0 },
|
|
};
|
|
|
|
static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
unsigned int epll_con, epll_con_k;
|
|
unsigned int i;
|
|
|
|
/* Return if nothing changed */
|
|
if (clk->rate == rate)
|
|
return 0;
|
|
|
|
epll_con = __raw_readl(S5P_EPLL_CON);
|
|
epll_con_k = __raw_readl(S5P_EPLL_CON1);
|
|
|
|
epll_con_k &= ~PLL46XX_KDIV_MASK;
|
|
epll_con &= ~(1 << 27 |
|
|
PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
|
|
PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
|
|
PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
|
|
if (epll_div[i][0] == rate) {
|
|
epll_con_k |= epll_div[i][5] << 0;
|
|
epll_con |= (epll_div[i][1] << 27 |
|
|
epll_div[i][2] << PLL46XX_MDIV_SHIFT |
|
|
epll_div[i][3] << PLL46XX_PDIV_SHIFT |
|
|
epll_div[i][4] << PLL46XX_SDIV_SHIFT);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(epll_div)) {
|
|
printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
__raw_writel(epll_con, S5P_EPLL_CON);
|
|
__raw_writel(epll_con_k, S5P_EPLL_CON1);
|
|
|
|
printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
|
|
clk->rate, rate);
|
|
|
|
clk->rate = rate;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct clk_ops s5pv210_epll_ops = {
|
|
.set_rate = s5pv210_epll_set_rate,
|
|
.get_rate = s5p_epll_get_rate,
|
|
};
|
|
|
|
void __init_or_cpufreq s5pv210_setup_clocks(void)
|
|
{
|
|
struct clk *xtal_clk;
|
|
unsigned long vpllsrc;
|
|
unsigned long armclk;
|
|
unsigned long hclk_msys;
|
|
unsigned long hclk_dsys;
|
|
unsigned long hclk_psys;
|
|
unsigned long pclk_msys;
|
|
unsigned long pclk_dsys;
|
|
unsigned long pclk_psys;
|
|
unsigned long apll;
|
|
unsigned long mpll;
|
|
unsigned long epll;
|
|
unsigned long vpll;
|
|
unsigned int ptr;
|
|
u32 clkdiv0, clkdiv1;
|
|
|
|
/* Set functions for clk_fout_epll */
|
|
clk_fout_epll.enable = s5p_epll_enable;
|
|
clk_fout_epll.ops = &s5pv210_epll_ops;
|
|
|
|
printk(KERN_DEBUG "%s: registering clocks\n", __func__);
|
|
|
|
clkdiv0 = __raw_readl(S5P_CLK_DIV0);
|
|
clkdiv1 = __raw_readl(S5P_CLK_DIV1);
|
|
|
|
printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
|
|
__func__, clkdiv0, clkdiv1);
|
|
|
|
xtal_clk = clk_get(NULL, "xtal");
|
|
BUG_ON(IS_ERR(xtal_clk));
|
|
|
|
xtal = clk_get_rate(xtal_clk);
|
|
clk_put(xtal_clk);
|
|
|
|
printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
|
|
|
|
apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
|
|
mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
|
|
epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
|
|
__raw_readl(S5P_EPLL_CON1), pll_4600);
|
|
vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
|
|
vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
|
|
|
|
clk_fout_apll.ops = &clk_fout_apll_ops;
|
|
clk_fout_mpll.rate = mpll;
|
|
clk_fout_epll.rate = epll;
|
|
clk_fout_vpll.rate = vpll;
|
|
|
|
printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
|
|
apll, mpll, epll, vpll);
|
|
|
|
armclk = clk_get_rate(&clk_armclk.clk);
|
|
hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
|
|
hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
|
|
hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
|
|
pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
|
|
pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
|
|
pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
|
|
|
|
printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
|
|
"HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
|
|
armclk, hclk_msys, hclk_dsys, hclk_psys,
|
|
pclk_msys, pclk_dsys, pclk_psys);
|
|
|
|
clk_f.rate = armclk;
|
|
clk_h.rate = hclk_psys;
|
|
clk_p.rate = pclk_psys;
|
|
|
|
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
|
|
s3c_set_clksrc(&clksrcs[ptr], true);
|
|
}
|
|
|
|
static struct clk *clks[] __initdata = {
|
|
&clk_sclk_hdmi27m,
|
|
&clk_sclk_hdmiphy,
|
|
&clk_sclk_usbphy0,
|
|
&clk_sclk_usbphy1,
|
|
&clk_pcmcdclk0,
|
|
&clk_pcmcdclk1,
|
|
&clk_pcmcdclk2,
|
|
};
|
|
|
|
void __init s5pv210_register_clocks(void)
|
|
{
|
|
int ptr;
|
|
|
|
s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
|
|
|
|
for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
|
|
s3c_register_clksrc(sysclks[ptr], 1);
|
|
|
|
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
|
|
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
|
|
|
|
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
|
|
s3c_pwmclk_init();
|
|
}
|