/*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Clock support for EXYNOS5 SoCs
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/syscore_ops.h>
#include <plat/cpu-freq.h>
#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/pm.h>
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/sysmmu.h>
#include "common.h"
#ifdef CONFIG_PM_SLEEP
static struct sleep_save exynos5_clock_save[] = {
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_TOP),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_GSCL),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_DISP1_0),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_FSYS),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_MAUDIO),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_PERIC0),
SAVE_ITEM(EXYNOS5_CLKSRC_MASK_PERIC1),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_GSCL),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_DISP1),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_MFC),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_G3D),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_GEN),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_FSYS),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_PERIC),
SAVE_ITEM(EXYNOS5_CLKGATE_IP_PERIS),
SAVE_ITEM(EXYNOS5_CLKGATE_BLOCK),
SAVE_ITEM(EXYNOS5_CLKDIV_TOP0),
SAVE_ITEM(EXYNOS5_CLKDIV_TOP1),
SAVE_ITEM(EXYNOS5_CLKDIV_GSCL),
SAVE_ITEM(EXYNOS5_CLKDIV_DISP1_0),
SAVE_ITEM(EXYNOS5_CLKDIV_GEN),
SAVE_ITEM(EXYNOS5_CLKDIV_MAUDIO),
SAVE_ITEM(EXYNOS5_CLKDIV_FSYS0),
SAVE_ITEM(EXYNOS5_CLKDIV_FSYS1),
SAVE_ITEM(EXYNOS5_CLKDIV_FSYS2),
SAVE_ITEM(EXYNOS5_CLKDIV_FSYS3),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC0),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC1),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC2),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC3),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC4),
SAVE_ITEM(EXYNOS5_CLKDIV_PERIC5),
SAVE_ITEM(EXYNOS5_SCLK_DIV_ISP),
SAVE_ITEM(EXYNOS5_CLKSRC_TOP0),
SAVE_ITEM(EXYNOS5_CLKSRC_TOP1),
SAVE_ITEM(EXYNOS5_CLKSRC_TOP2),
SAVE_ITEM(EXYNOS5_CLKSRC_TOP3),
SAVE_ITEM(EXYNOS5_CLKSRC_GSCL),
SAVE_ITEM(EXYNOS5_CLKSRC_DISP1_0),
SAVE_ITEM(EXYNOS5_CLKSRC_MAUDIO),
SAVE_ITEM(EXYNOS5_CLKSRC_FSYS),
SAVE_ITEM(EXYNOS5_CLKSRC_PERIC0),
SAVE_ITEM(EXYNOS5_CLKSRC_PERIC1),
SAVE_ITEM(EXYNOS5_SCLK_SRC_ISP),
SAVE_ITEM(EXYNOS5_EPLL_CON0),
SAVE_ITEM(EXYNOS5_EPLL_CON1),
SAVE_ITEM(EXYNOS5_EPLL_CON2),
SAVE_ITEM(EXYNOS5_VPLL_CON0),
SAVE_ITEM(EXYNOS5_VPLL_CON1),
SAVE_ITEM(EXYNOS5_VPLL_CON2),
};
#endif
static struct clk exynos5_clk_sclk_dptxphy = {
.name = "sclk_dptx",
};
static struct clk exynos5_clk_sclk_hdmi24m = {
.name = "sclk_hdmi24m",
.rate = 24000000,
};
static struct clk exynos5_clk_sclk_hdmi27m = {
.name = "sclk_hdmi27m",
.rate = 27000000,
};
static struct clk exynos5_clk_sclk_hdmiphy = {
.name = "sclk_hdmiphy",
};
static struct clk exynos5_clk_sclk_usbphy = {
.name = "sclk_usbphy",
.rate = 48000000,
};
static int exynos5_clksrc_mask_top_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_TOP, clk, enable);
}
static int exynos5_clksrc_mask_disp1_0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_DISP1_0, clk, enable);
}
static int exynos5_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_FSYS, clk, enable);
}
static int exynos5_clksrc_mask_gscl_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_GSCL, clk, enable);
}
static int exynos5_clksrc_mask_peric0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKSRC_MASK_PERIC0, clk, enable);
}
static int exynos5_clk_ip_acp_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_ACP, clk, enable);
}
static int exynos5_clk_ip_core_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_CORE, clk, enable);
}
static int exynos5_clk_ip_disp1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_DISP1, clk, enable);
}
static int exynos5_clk_ip_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_FSYS, clk, enable);
}
static int exynos5_clk_block_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_BLOCK, clk, enable);
}
static int exynos5_clk_ip_gen_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_GEN, clk, enable);
}
static int exynos5_clk_ip_gps_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_GPS, clk, enable);
}
static int exynos5_clk_ip_mfc_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_MFC, clk, enable);
}
static int exynos5_clk_ip_peric_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_PERIC, clk, enable);
}
static int exynos5_clk_ip_peris_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_PERIS, clk, enable);
}
static int exynos5_clk_ip_gscl_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_GSCL, clk, enable);
}
static int exynos5_clk_ip_isp0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_ISP0, clk, enable);
}
static int exynos5_clk_ip_isp1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(EXYNOS5_CLKGATE_IP_ISP1, clk, enable);
}
/* Core list of CMU_CPU side */
static struct clksrc_clk exynos5_clk_mout_apll = {
.clk = {
.name = "mout_apll",
},
.sources = &clk_src_apll,
.reg_src = { .reg = EXYNOS5_CLKSRC_CPU, .shift = 0, .size = 1 },
};
static struct clksrc_clk exynos5_clk_sclk_apll = {
.clk = {
.name = "sclk_apll",
.parent = &exynos5_clk_mout_apll.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 24, .size = 3 },
};
static struct clksrc_clk exynos5_clk_mout_bpll_fout = {
.clk = {
.name = "mout_bpll_fout",
},
.sources = &clk_src_bpll_fout,
.reg_src = { .reg = EXYNOS5_PLL_DIV2_SEL, .shift = 0, .size = 1 },
};
static struct clk *exynos5_clk_src_bpll_list[] = {
[0] = &clk_fin_bpll,
[1] = &exynos5_clk_mout_bpll_fout.clk,
};
static struct clksrc_sources exynos5_clk_src_bpll = {
.sources = exynos5_clk_src_bpll_list,
.nr_sources = ARRAY_SIZE(exynos5_clk_src_bpll_list),
};
static struct clksrc_clk exynos5_clk_mout_bpll = {
.clk = {
.name = "mout_bpll",
},
.sources = &exynos5_clk_src_bpll,
.reg_src = { .reg = EXYNOS5_CLKSRC_CDREX, .shift = 0, .size = 1 },
};
static struct clk *exynos5_clk_src_bpll_user_list[] = {
[0] = &clk_fin_mpll,
[1] = &exynos5_clk_mout_bpll.clk,
};
static struct clksrc_sources exynos5_clk_src_bpll_user = {
.sources = exynos5_clk_src_bpll_user_list,
.nr_sources = ARRAY_SIZE(exynos5_clk_src_bpll_user_list),
};
static struct clksrc_clk exynos5_clk_mout_bpll_user = {
.clk = {
.name = "mout_bpll_user",
},
.sources = &exynos5_clk_src_bpll_user,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 24, .size = 1 },
};
static struct clksrc_clk exynos5_clk_mout_cpll = {
.clk = {
.name = "mout_cpll",
},
.sources = &clk_src_cpll,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 8, .size = 1 },
};
static struct clksrc_clk exynos5_clk_mout_epll = {
.clk = {
.name = "mout_epll",
},
.sources = &clk_src_epll,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 12, .size = 1 },
};
static struct clksrc_clk exynos5_clk_mout_mpll_fout = {
.clk = {
.name = "mout_mpll_fout",
},
.sources = &clk_src_mpll_fout,
.reg_src = { .reg = EXYNOS5_PLL_DIV2_SEL, .shift = 4, .size = 1 },
};
static struct clk *exynos5_clk_src_mpll_list[] = {
[0] = &clk_fin_mpll,
[1] = &exynos5_clk_mout_mpll_fout.clk,
};
static struct clksrc_sources exynos5_clk_src_mpll = {
.sources = exynos5_clk_src_mpll_list,
.nr_sources = ARRAY_SIZE(exynos5_clk_src_mpll_list),
};
struct clksrc_clk exynos5_clk_mout_mpll = {
.clk = {
.name = "mout_mpll",
},
.sources = &exynos5_clk_src_mpll,
.reg_src = { .reg = EXYNOS5_CLKSRC_CORE1, .shift = 8, .size = 1 },
};
static struct clk *exynos_clkset_vpllsrc_list[] = {
[0] = &clk_fin_vpll,
[1] = &exynos5_clk_sclk_hdmi27m,
};
static struct clksrc_sources exynos5_clkset_vpllsrc = {
.sources = exynos_clkset_vpllsrc_list,
.nr_sources = ARRAY_SIZE(exynos_clkset_vpllsrc_list),
};
static struct clksrc_clk exynos5_clk_vpllsrc = {
.clk = {
.name = "vpll_src",
.enable = exynos5_clksrc_mask_top_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &exynos5_clkset_vpllsrc,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 0, .size = 1 },
};
static struct clk *exynos5_clkset_sclk_vpll_list[] = {
[0] = &exynos5_clk_vpllsrc.clk,
[1] = &clk_fout_vpll,
};
static struct clksrc_sources exynos5_clkset_sclk_vpll = {
.sources = exynos5_clkset_sclk_vpll_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_sclk_vpll_list),
};
static struct clksrc_clk exynos5_clk_sclk_vpll = {
.clk = {
.name = "sclk_vpll",
},
.sources = &exynos5_clkset_sclk_vpll,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 16, .size = 1 },
};
static struct clksrc_clk exynos5_clk_sclk_pixel = {
.clk = {
.name = "sclk_pixel",
.parent = &exynos5_clk_sclk_vpll.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_DISP1_0, .shift = 28, .size = 4 },
};
static struct clk *exynos5_clkset_sclk_hdmi_list[] = {
[0] = &exynos5_clk_sclk_pixel.clk,
[1] = &exynos5_clk_sclk_hdmiphy,
};
static struct clksrc_sources exynos5_clkset_sclk_hdmi = {
.sources = exynos5_clkset_sclk_hdmi_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_sclk_hdmi_list),
};
static struct clksrc_clk exynos5_clk_sclk_hdmi = {
.clk = {
.name = "sclk_hdmi",
.enable = exynos5_clksrc_mask_disp1_0_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &exynos5_clkset_sclk_hdmi,
.reg_src = { .reg = EXYNOS5_CLKSRC_DISP1_0, .shift = 20, .size = 1 },
};
static struct clksrc_clk *exynos5_sclk_tv[] = {
&exynos5_clk_sclk_pixel,
&exynos5_clk_sclk_hdmi,
};
static struct clk *exynos5_clk_src_mpll_user_list[] = {
[0] = &clk_fin_mpll,
[1] = &exynos5_clk_mout_mpll.clk,
};
static struct clksrc_sources exynos5_clk_src_mpll_user = {
.sources = exynos5_clk_src_mpll_user_list,
.nr_sources = ARRAY_SIZE(exynos5_clk_src_mpll_user_list),
};
static struct clksrc_clk exynos5_clk_mout_mpll_user = {
.clk = {
.name = "mout_mpll_user",
},
.sources = &exynos5_clk_src_mpll_user,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 20, .size = 1 },
};
static struct clk *exynos5_clkset_mout_cpu_list[] = {
[0] = &exynos5_clk_mout_apll.clk,
[1] = &exynos5_clk_mout_mpll.clk,
};
static struct clksrc_sources exynos5_clkset_mout_cpu = {
.sources = exynos5_clkset_mout_cpu_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_mout_cpu_list),
};
static struct clksrc_clk exynos5_clk_mout_cpu = {
.clk = {
.name = "mout_cpu",
},
.sources = &exynos5_clkset_mout_cpu,
.reg_src = { .reg = EXYNOS5_CLKSRC_CPU, .shift = 16, .size = 1 },
};
static struct clksrc_clk exynos5_clk_dout_armclk = {
.clk = {
.name = "dout_armclk",
.parent = &exynos5_clk_mout_cpu.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 0, .size = 3 },
};
static struct clksrc_clk exynos5_clk_dout_arm2clk = {
.clk = {
.name = "dout_arm2clk",
.parent = &exynos5_clk_dout_armclk.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 28, .size = 3 },
};
static struct clk exynos5_clk_armclk = {
.name = "armclk",
.parent = &exynos5_clk_dout_arm2clk.clk,
};
/* Core list of CMU_CDREX side */
static struct clk *exynos5_clkset_cdrex_list[] = {
[0] = &exynos5_clk_mout_mpll.clk,
[1] = &exynos5_clk_mout_bpll.clk,
};
static struct clksrc_sources exynos5_clkset_cdrex = {
.sources = exynos5_clkset_cdrex_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_cdrex_list),
};
static struct clksrc_clk exynos5_clk_cdrex = {
.clk = {
.name = "clk_cdrex",
},
.sources = &exynos5_clkset_cdrex,
.reg_src = { .reg = EXYNOS5_CLKSRC_CDREX, .shift = 4, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_CDREX, .shift = 16, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_acp = {
.clk = {
.name = "aclk_acp",
.parent = &exynos5_clk_mout_mpll.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_ACP, .shift = 0, .size = 3 },
};
static struct clksrc_clk exynos5_clk_pclk_acp = {
.clk = {
.name = "pclk_acp",
.parent = &exynos5_clk_aclk_acp.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_ACP, .shift = 4, .size = 3 },
};
/* Core list of CMU_TOP side */
struct clk *exynos5_clkset_aclk_top_list[] = {
[0] = &exynos5_clk_mout_mpll_user.clk,
[1] = &exynos5_clk_mout_bpll_user.clk,
};
struct clksrc_sources exynos5_clkset_aclk = {
.sources = exynos5_clkset_aclk_top_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_top_list),
};
static struct clksrc_clk exynos5_clk_aclk_400 = {
.clk = {
.name = "aclk_400",
},
.sources = &exynos5_clkset_aclk,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 20, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 24, .size = 3 },
};
struct clk *exynos5_clkset_aclk_333_166_list[] = {
[0] = &exynos5_clk_mout_cpll.clk,
[1] = &exynos5_clk_mout_mpll_user.clk,
};
struct clksrc_sources exynos5_clkset_aclk_333_166 = {
.sources = exynos5_clkset_aclk_333_166_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_333_166_list),
};
static struct clksrc_clk exynos5_clk_aclk_333 = {
.clk = {
.name = "aclk_333",
},
.sources = &exynos5_clkset_aclk_333_166,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 16, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 20, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_166 = {
.clk = {
.name = "aclk_166",
},
.sources = &exynos5_clkset_aclk_333_166,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 8, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 8, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_266 = {
.clk = {
.name = "aclk_266",
.parent = &exynos5_clk_mout_mpll_user.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 16, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_200 = {
.clk = {
.name = "aclk_200",
},
.sources = &exynos5_clkset_aclk,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 12, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 12, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_66_pre = {
.clk = {
.name = "aclk_66_pre",
.parent = &exynos5_clk_mout_mpll_user.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP1, .shift = 24, .size = 3 },
};
static struct clksrc_clk exynos5_clk_aclk_66 = {
.clk = {
.name = "aclk_66",
.parent = &exynos5_clk_aclk_66_pre.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 0, .size = 3 },
};
static struct clk exynos5_init_clocks_off[] = {
{
.name = "timers",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 24),
}, {
.name = "rtc",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peris_ctrl,
.ctrlbit = (1 << 20),
}, {
.name = "watchdog",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peris_ctrl,
.ctrlbit = (1 << 19),
}, {
.name = "hsmmc",
.devname = "exynos4-sdhci.0",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 12),
}, {
.name = "hsmmc",
.devname = "exynos4-sdhci.1",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 13),
}, {
.name = "hsmmc",
.devname = "exynos4-sdhci.2",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 14),
}, {
.name = "hsmmc",
.devname = "exynos4-sdhci.3",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 15),
}, {
.name = "dwmci",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 16),
}, {
.name = "sata",
.devname = "ahci",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "sata_phy",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 24),
}, {
.name = "sata_phy_i2c",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 25),
}, {
.name = "mfc",
.devname = "s5p-mfc",
.enable = exynos5_clk_ip_mfc_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "hdmi",
.devname = "exynos4-hdmi",
.enable = exynos5_clk_ip_disp1_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "mixer",
.devname = "s5p-mixer",
.enable = exynos5_clk_ip_disp1_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "jpeg",
.enable = exynos5_clk_ip_gen_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = "dsim0",
.enable = exynos5_clk_ip_disp1_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "iis",
.devname = "samsung-i2s.1",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 20),
}, {
.name = "iis",
.devname = "samsung-i2s.2",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 21),
}, {
.name = "pcm",
.devname = "samsung-pcm.1",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 22),
}, {
.name = "pcm",
.devname = "samsung-pcm.2",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 23),
}, {
.name = "spdif",
.devname = "samsung-spdif",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 26),
}, {
.name = "ac97",
.devname = "samsung-ac97",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 27),
}, {
.name = "usbhost",
.enable = exynos5_clk_ip_fsys_ctrl ,
.ctrlbit = (1 << 18),
}, {
.name = "usbotg",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "gps",
.enable = exynos5_clk_ip_gps_ctrl,
.ctrlbit = ((1 << 3) | (1 << 2) | (1 << 0)),
}, {
.name = "nfcon",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 22),
}, {
.name = "iop",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = ((1 << 30) | (1 << 26) | (1 << 23)),
}, {
.name = "core_iop",
.enable = exynos5_clk_ip_core_ctrl,
.ctrlbit = ((1 << 21) | (1 << 3)),
}, {
.name = "mcu_iop",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.0",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.1",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.2",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.3",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 9),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.4",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.5",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 11),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.6",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 12),
}, {
.name = "i2c",
.devname = "s3c2440-i2c.7",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 13),
}, {
.name = "i2c",
.devname = "s3c2440-hdmiphy-i2c",
.parent = &exynos5_clk_aclk_66.clk,
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 14),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(mfc_l, 0),
.enable = &exynos5_clk_ip_mfc_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(mfc_r, 1),
.enable = &exynos5_clk_ip_mfc_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(tv, 2),
.enable = &exynos5_clk_ip_disp1_ctrl,
.ctrlbit = (1 << 9)
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(jpeg, 3),
.enable = &exynos5_clk_ip_gen_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(rot, 4),
.enable = &exynos5_clk_ip_gen_ctrl,
.ctrlbit = (1 << 6)
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(gsc0, 5),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(gsc1, 6),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(gsc2, 7),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 9),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(gsc3, 8),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(isp, 9),
.enable = &exynos5_clk_ip_isp0_ctrl,
.ctrlbit = (0x3F << 8),
}, {
.name = SYSMMU_CLOCK_NAME2,
.devname = SYSMMU_CLOCK_DEVNAME(isp, 9),
.enable = &exynos5_clk_ip_isp1_ctrl,
.ctrlbit = (0xF << 4),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(camif0, 12),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 11),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(camif1, 13),
.enable = &exynos5_clk_ip_gscl_ctrl,
.ctrlbit = (1 << 12),
}, {
.name = SYSMMU_CLOCK_NAME,
.devname = SYSMMU_CLOCK_DEVNAME(2d, 14),
.enable = &exynos5_clk_ip_acp_ctrl,
.ctrlbit = (1 << 7)
}
};
static struct clk exynos5_init_clocks_on[] = {
{
.name = "uart",
.devname = "s5pv210-uart.0",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "uart",
.devname = "s5pv210-uart.1",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "uart",
.devname = "s5pv210-uart.2",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = "uart",
.devname = "s5pv210-uart.3",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "uart",
.devname = "s5pv210-uart.4",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "uart",
.devname = "s5pv210-uart.5",
.enable = exynos5_clk_ip_peric_ctrl,
.ctrlbit = (1 << 5),
}
};
static struct clk exynos5_clk_pdma0 = {
.name = "dma",
.devname = "dma-pl330.0",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 1),
};
static struct clk exynos5_clk_pdma1 = {
.name = "dma",
.devname = "dma-pl330.1",
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 2),
};
static struct clk exynos5_clk_mdma1 = {
.name = "dma",
.devname = "dma-pl330.2",
.enable = exynos5_clk_ip_gen_ctrl,
.ctrlbit = (1 << 4),
};
struct clk *exynos5_clkset_group_list[] = {
[0] = &clk_ext_xtal_mux,
[1] = NULL,
[2] = &exynos5_clk_sclk_hdmi24m,
[3] = &exynos5_clk_sclk_dptxphy,
[4] = &exynos5_clk_sclk_usbphy,
[5] = &exynos5_clk_sclk_hdmiphy,
[6] = &exynos5_clk_mout_mpll_user.clk,
[7] = &exynos5_clk_mout_epll.clk,
[8] = &exynos5_clk_sclk_vpll.clk,
[9] = &exynos5_clk_mout_cpll.clk,
};
struct clksrc_sources exynos5_clkset_group = {
.sources = exynos5_clkset_group_list,
.nr_sources = ARRAY_SIZE(exynos5_clkset_group_list),
};
/* Possible clock sources for aclk_266_gscl_sub Mux */
static struct clk *clk_src_gscl_266_list[] = {
[0] = &clk_ext_xtal_mux,
[1] = &exynos5_clk_aclk_266.clk,
};
static struct clksrc_sources clk_src_gscl_266 = {
.sources = clk_src_gscl_266_list,
.nr_sources = ARRAY_SIZE(clk_src_gscl_266_list),
};
static struct clksrc_clk exynos5_clk_dout_mmc0 = {
.clk = {
.name = "dout_mmc0",
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 0, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 0, .size = 4 },
};
static struct clksrc_clk exynos5_clk_dout_mmc1 = {
.clk = {
.name = "dout_mmc1",
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 4, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 16, .size = 4 },
};
static struct clksrc_clk exynos5_clk_dout_mmc2 = {
.clk = {
.name = "dout_mmc2",
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 8, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 0, .size = 4 },
};
static struct clksrc_clk exynos5_clk_dout_mmc3 = {
.clk = {
.name = "dout_mmc3",
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 12, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 16, .size = 4 },
};
static struct clksrc_clk exynos5_clk_dout_mmc4 = {
.clk = {
.name = "dout_mmc4",
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_FSYS, .shift = 16, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS3, .shift = 0, .size = 4 },
};
static struct clksrc_clk exynos5_clk_sclk_uart0 = {
.clk = {
.name = "uclk1",
.devname = "exynos4210-uart.0",
.enable = exynos5_clksrc_mask_peric0_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 0, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 0, .size = 4 },
};
static struct clksrc_clk exynos5_clk_sclk_uart1 = {
.clk = {
.name = "uclk1",
.devname = "exynos4210-uart.1",
.enable = exynos5_clksrc_mask_peric0_ctrl,
.ctrlbit = (1 << 4),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 4, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 4, .size = 4 },
};
static struct clksrc_clk exynos5_clk_sclk_uart2 = {
.clk = {
.name = "uclk1",
.devname = "exynos4210-uart.2",
.enable = exynos5_clksrc_mask_peric0_ctrl,
.ctrlbit = (1 << 8),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 8, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 8, .size = 4 },
};
static struct clksrc_clk exynos5_clk_sclk_uart3 = {
.clk = {
.name = "uclk1",
.devname = "exynos4210-uart.3",
.enable = exynos5_clksrc_mask_peric0_ctrl,
.ctrlbit = (1 << 12),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_PERIC0, .shift = 12, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_PERIC0, .shift = 12, .size = 4 },
};
static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
.clk = {
.name = "sclk_mmc",
.devname = "exynos4-sdhci.0",
.parent = &exynos5_clk_dout_mmc0.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
},
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 8, .size = 8 },
};
static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
.clk = {
.name = "sclk_mmc",
.devname = "exynos4-sdhci.1",
.parent = &exynos5_clk_dout_mmc1.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
},
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS1, .shift = 24, .size = 8 },
};
static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
.clk = {
.name = "sclk_mmc",
.devname = "exynos4-sdhci.2",
.parent = &exynos5_clk_dout_mmc2.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
},
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 8, .size = 8 },
};
static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
.clk = {
.name = "sclk_mmc",
.devname = "exynos4-sdhci.3",
.parent = &exynos5_clk_dout_mmc3.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
},
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS2, .shift = 24, .size = 8 },
};
static struct clksrc_clk exynos5_clksrcs[] = {
{
.clk = {
.name = "sclk_dwmci",
.parent = &exynos5_clk_dout_mmc4.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 16),
},
.reg_div = { .reg = EXYNOS5_CLKDIV_FSYS3, .shift = 8, .size = 8 },
}, {
.clk = {
.name = "sclk_fimd",
.devname = "s3cfb.1",
.enable = exynos5_clksrc_mask_disp1_0_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_DISP1_0, .shift = 0, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_DISP1_0, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "aclk_266_gscl",
},
.sources = &clk_src_gscl_266,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP3, .shift = 8, .size = 1 },
}, {
.clk = {
.name = "sclk_g3d",
.devname = "mali-t604.0",
.enable = exynos5_clk_block_ctrl,
.ctrlbit = (1 << 1),
},
.sources = &exynos5_clkset_aclk,
.reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 20, .size = 1 },
.reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 24, .size = 3 },
}, {
.clk = {
.name = "sclk_gscl_wrap",
.devname = "s5p-mipi-csis.0",
.enable = exynos5_clksrc_mask_gscl_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 24, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 24, .size = 4 },
}, {
.clk = {
.name = "sclk_gscl_wrap",
.devname = "s5p-mipi-csis.1",
.enable = exynos5_clksrc_mask_gscl_ctrl,
.ctrlbit = (1 << 28),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 28, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 28, .size = 4 },
}, {
.clk = {
.name = "sclk_cam0",
.enable = exynos5_clksrc_mask_gscl_ctrl,
.ctrlbit = (1 << 16),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 16, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 16, .size = 4 },
}, {
.clk = {
.name = "sclk_cam1",
.enable = exynos5_clksrc_mask_gscl_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &exynos5_clkset_group,
.reg_src = { .reg = EXYNOS5_CLKSRC_GSCL, .shift = 20, .size = 4 },
.reg_div = { .reg = EXYNOS5_CLKDIV_GSCL, .shift = 20, .size = 4 },
}, {
.clk = {
.name = "sclk_jpeg",
.parent = &exynos5_clk_mout_cpll.clk,
},
.reg_div = { .reg = EXYNOS5_CLKDIV_GEN, .shift = 4, .size = 3 },
},
};
/* Clock initialization code */
static struct clksrc_clk *exynos5_sysclks[] = {
&exynos5_clk_mout_apll,
&exynos5_clk_sclk_apll,
&exynos5_clk_mout_bpll,
&exynos5_clk_mout_bpll_fout,
&exynos5_clk_mout_bpll_user,
&exynos5_clk_mout_cpll,
&exynos5_clk_mout_epll,
&exynos5_clk_mout_mpll,
&exynos5_clk_mout_mpll_fout,
&exynos5_clk_mout_mpll_user,
&exynos5_clk_vpllsrc,
&exynos5_clk_sclk_vpll,
&exynos5_clk_mout_cpu,
&exynos5_clk_dout_armclk,
&exynos5_clk_dout_arm2clk,
&exynos5_clk_cdrex,
&exynos5_clk_aclk_400,
&exynos5_clk_aclk_333,
&exynos5_clk_aclk_266,
&exynos5_clk_aclk_200,
&exynos5_clk_aclk_166,
&exynos5_clk_aclk_66_pre,
&exynos5_clk_aclk_66,
&exynos5_clk_dout_mmc0,
&exynos5_clk_dout_mmc1,
&exynos5_clk_dout_mmc2,
&exynos5_clk_dout_mmc3,
&exynos5_clk_dout_mmc4,
&exynos5_clk_aclk_acp,
&exynos5_clk_pclk_acp,
};
static struct clk *exynos5_clk_cdev[] = {
&exynos5_clk_pdma0,
&exynos5_clk_pdma1,
&exynos5_clk_mdma1,
};
static struct clksrc_clk *exynos5_clksrc_cdev[] = {
&exynos5_clk_sclk_uart0,
&exynos5_clk_sclk_uart1,
&exynos5_clk_sclk_uart2,
&exynos5_clk_sclk_uart3,
&exynos5_clk_sclk_mmc0,
&exynos5_clk_sclk_mmc1,
&exynos5_clk_sclk_mmc2,
&exynos5_clk_sclk_mmc3,
};
static struct clk_lookup exynos5_clk_lookup[] = {
CLKDEV_INIT("exynos4210-uart.0", "clk_uart_baud0", &exynos5_clk_sclk_uart0.clk),
CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk),
CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk),
CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk),
CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0),
CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1),
CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1),
};
static unsigned long exynos5_epll_get_rate(struct clk *clk)
{
return clk->rate;
}
static struct clk *exynos5_clks[] __initdata = {
&exynos5_clk_sclk_hdmi27m,
&exynos5_clk_sclk_hdmiphy,
&clk_fout_bpll,
&clk_fout_bpll_div2,
&clk_fout_cpll,
&clk_fout_mpll_div2,
&exynos5_clk_armclk,
};
static u32 epll_div[][6] = {
{ 192000000, 0, 48, 3, 1, 0 },
{ 180000000, 0, 45, 3, 1, 0 },
{ 73728000, 1, 73, 3, 3, 47710 },
{ 67737600, 1, 90, 4, 3, 20762 },
{ 49152000, 0, 49, 3, 3, 9961 },
{ 45158400, 0, 45, 3, 3, 10381 },
{ 180633600, 0, 45, 3, 1, 10381 },
};
static int exynos5_epll_set_rate(struct clk *clk, unsigned long rate)
{
unsigned int epll_con, epll_con_k;
unsigned int i;
unsigned int tmp;
unsigned int epll_rate;
unsigned int locktime;
unsigned int lockcnt;
/* Return if nothing changed */
if (clk->rate == rate)
return 0;
if (clk->parent)
epll_rate = clk_get_rate(clk->parent);
else
epll_rate = clk_ext_xtal_mux.rate;
if (epll_rate != 24000000) {
pr_err("Invalid Clock : recommended clock is 24MHz.\n");
return -EINVAL;
}
epll_con = __raw_readl(EXYNOS5_EPLL_CON0);
epll_con &= ~(0x1 << 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_con |= epll_div[i][2] << PLL46XX_MDIV_SHIFT;
epll_con |= epll_div[i][3] << PLL46XX_PDIV_SHIFT;
epll_con |= 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;
}
epll_rate /= 1000000;
/* 3000 max_cycls : specification data */
locktime = 3000 / epll_rate * epll_div[i][3];
lockcnt = locktime * 10000 / (10000 / epll_rate);
__raw_writel(lockcnt, EXYNOS5_EPLL_LOCK);
__raw_writel(epll_con, EXYNOS5_EPLL_CON0);
__raw_writel(epll_con_k, EXYNOS5_EPLL_CON1);
do {
tmp = __raw_readl(EXYNOS5_EPLL_CON0);
} while (!(tmp & 0x1 << EXYNOS5_EPLLCON0_LOCKED_SHIFT));
clk->rate = rate;
return 0;
}
static struct clk_ops exynos5_epll_ops = {
.get_rate = exynos5_epll_get_rate,
.set_rate = exynos5_epll_set_rate,
};
static int xtal_rate;
static unsigned long exynos5_fout_apll_get_rate(struct clk *clk)
{
return s5p_get_pll35xx(xtal_rate, __raw_readl(EXYNOS5_APLL_CON0));
}
static struct clk_ops exynos5_fout_apll_ops = {
.get_rate = exynos5_fout_apll_get_rate,
};
#ifdef CONFIG_PM
static int exynos5_clock_suspend(void)
{
s3c_pm_do_save(exynos5_clock_save, ARRAY_SIZE(exynos5_clock_save));
return 0;
}
static void exynos5_clock_resume(void)
{
s3c_pm_do_restore_core(exynos5_clock_save, ARRAY_SIZE(exynos5_clock_save));
}
#else
#define exynos5_clock_suspend NULL
#define exynos5_clock_resume NULL
#endif
struct syscore_ops exynos5_clock_syscore_ops = {
.suspend = exynos5_clock_suspend,
.resume = exynos5_clock_resume,
};
void __init_or_cpufreq exynos5_setup_clocks(void)
{
struct clk *xtal_clk;
unsigned long apll;
unsigned long bpll;
unsigned long cpll;
unsigned long mpll;
unsigned long epll;
unsigned long vpll;
unsigned long vpllsrc;
unsigned long xtal;
unsigned long armclk;
unsigned long mout_cdrex;
unsigned long aclk_400;
unsigned long aclk_333;
unsigned long aclk_266;
unsigned long aclk_200;
unsigned long aclk_166;
unsigned long aclk_66;
unsigned int ptr;
printk(KERN_DEBUG "%s: registering clocks\n", __func__);
xtal_clk = clk_get(NULL, "xtal");
BUG_ON(IS_ERR(xtal_clk));
xtal = clk_get_rate(xtal_clk);
xtal_rate = xtal;
clk_put(xtal_clk);
printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
apll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_APLL_CON0));
bpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_BPLL_CON0));
cpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_CPLL_CON0));
mpll = s5p_get_pll35xx(xtal, __raw_readl(EXYNOS5_MPLL_CON0));
epll = s5p_get_pll36xx(xtal, __raw_readl(EXYNOS5_EPLL_CON0),
__raw_readl(EXYNOS5_EPLL_CON1));
vpllsrc = clk_get_rate(&exynos5_clk_vpllsrc.clk);
vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(EXYNOS5_VPLL_CON0),
__raw_readl(EXYNOS5_VPLL_CON1));
clk_fout_apll.ops = &exynos5_fout_apll_ops;
clk_fout_bpll.rate = bpll;
clk_fout_bpll_div2.rate = bpll >> 1;
clk_fout_cpll.rate = cpll;
clk_fout_mpll.rate = mpll;
clk_fout_mpll_div2.rate = mpll >> 1;
clk_fout_epll.rate = epll;
clk_fout_vpll.rate = vpll;
printk(KERN_INFO "EXYNOS5: PLL settings, A=%ld, B=%ld, C=%ld\n"
"M=%ld, E=%ld V=%ld",
apll, bpll, cpll, mpll, epll, vpll);
armclk = clk_get_rate(&exynos5_clk_armclk);
mout_cdrex = clk_get_rate(&exynos5_clk_cdrex.clk);
aclk_400 = clk_get_rate(&exynos5_clk_aclk_400.clk);
aclk_333 = clk_get_rate(&exynos5_clk_aclk_333.clk);
aclk_266 = clk_get_rate(&exynos5_clk_aclk_266.clk);
aclk_200 = clk_get_rate(&exynos5_clk_aclk_200.clk);
aclk_166 = clk_get_rate(&exynos5_clk_aclk_166.clk);
aclk_66 = clk_get_rate(&exynos5_clk_aclk_66.clk);
printk(KERN_INFO "EXYNOS5: ARMCLK=%ld, CDREX=%ld, ACLK400=%ld\n"
"ACLK333=%ld, ACLK266=%ld, ACLK200=%ld\n"
"ACLK166=%ld, ACLK66=%ld\n",
armclk, mout_cdrex, aclk_400,
aclk_333, aclk_266, aclk_200,
aclk_166, aclk_66);
clk_fout_epll.ops = &exynos5_epll_ops;
if (clk_set_parent(&exynos5_clk_mout_epll.clk, &clk_fout_epll))
printk(KERN_ERR "Unable to set parent %s of clock %s.\n",
clk_fout_epll.name, exynos5_clk_mout_epll.clk.name);
clk_set_rate(&exynos5_clk_sclk_apll.clk, 100000000);
clk_set_rate(&exynos5_clk_aclk_266.clk, 300000000);
clk_set_rate(&exynos5_clk_aclk_acp.clk, 267000000);
clk_set_rate(&exynos5_clk_pclk_acp.clk, 134000000);
for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clksrcs); ptr++)
s3c_set_clksrc(&exynos5_clksrcs[ptr], true);
}
void __init exynos5_register_clocks(void)
{
int ptr;
s3c24xx_register_clocks(exynos5_clks, ARRAY_SIZE(exynos5_clks));
for (ptr = 0; ptr < ARRAY_SIZE(exynos5_sysclks); ptr++)
s3c_register_clksrc(exynos5_sysclks[ptr], 1);
for (ptr = 0; ptr < ARRAY_SIZE(exynos5_sclk_tv); ptr++)
s3c_register_clksrc(exynos5_sclk_tv[ptr], 1);
for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clksrc_cdev); ptr++)
s3c_register_clksrc(exynos5_clksrc_cdev[ptr], 1);
s3c_register_clksrc(exynos5_clksrcs, ARRAY_SIZE(exynos5_clksrcs));
s3c_register_clocks(exynos5_init_clocks_on, ARRAY_SIZE(exynos5_init_clocks_on));
s3c24xx_register_clocks(exynos5_clk_cdev, ARRAY_SIZE(exynos5_clk_cdev));
for (ptr = 0; ptr < ARRAY_SIZE(exynos5_clk_cdev); ptr++)
s3c_disable_clocks(exynos5_clk_cdev[ptr], 1);
s3c_register_clocks(exynos5_init_clocks_off, ARRAY_SIZE(exynos5_init_clocks_off));
s3c_disable_clocks(exynos5_init_clocks_off, ARRAY_SIZE(exynos5_init_clocks_off));
clkdev_add_table(exynos5_clk_lookup, ARRAY_SIZE(exynos5_clk_lookup));
register_syscore_ops(&exynos5_clock_syscore_ops);
s3c_pwmclk_init();
}
