/* linux/arch/arm/mach-exynos4/clock.c
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS4 - Clock support
*
* 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 <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 <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/sysmmu.h>
static struct clk clk_sclk_hdmi27m = {
.name = "sclk_hdmi27m",
.id = -1,
.rate = 27000000,
};
static struct clk clk_sclk_hdmiphy = {
.name = "sclk_hdmiphy",
.id = -1,
};
static struct clk clk_sclk_usbphy0 = {
.name = "sclk_usbphy0",
.id = -1,
.rate = 27000000,
};
static struct clk clk_sclk_usbphy1 = {
.name = "sclk_usbphy1",
.id = -1,
};
static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
}
static int exynos4_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
}
static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
}
static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
}
static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
}
static int exynos4_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
}
static int exynos4_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
}
static int exynos4_clk_ip_mfc_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_MFC, clk, enable);
}
static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
}
static int exynos4_clk_ip_tv_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_TV, clk, enable);
}
static int exynos4_clk_ip_image_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
}
static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
}
static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
}
static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
}
static int exynos4_clk_ip_peril_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
}
static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
}
/* Core list of CMU_CPU side */
static struct clksrc_clk clk_mout_apll = {
.clk = {
.name = "mout_apll",
.id = -1,
},
.sources = &clk_src_apll,
.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
};
static struct clksrc_clk clk_sclk_apll = {
.clk = {
.name = "sclk_apll",
.id = -1,
.parent = &clk_mout_apll.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
};
static struct clksrc_clk clk_mout_epll = {
.clk = {
.name = "mout_epll",
.id = -1,
},
.sources = &clk_src_epll,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
};
static struct clksrc_clk clk_mout_mpll = {
.clk = {
.name = "mout_mpll",
.id = -1,
},
.sources = &clk_src_mpll,
.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
};
static struct clk *clkset_moutcore_list[] = {
[0] = &clk_mout_apll.clk,
[1] = &clk_mout_mpll.clk,
};
static struct clksrc_sources clkset_moutcore = {
.sources = clkset_moutcore_list,
.nr_sources = ARRAY_SIZE(clkset_moutcore_list),
};
static struct clksrc_clk clk_moutcore = {
.clk = {
.name = "moutcore",
.id = -1,
},
.sources = &clkset_moutcore,
.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
};
static struct clksrc_clk clk_coreclk = {
.clk = {
.name = "core_clk",
.id = -1,
.parent = &clk_moutcore.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
};
static struct clksrc_clk clk_armclk = {
.clk = {
.name = "armclk",
.id = -1,
.parent = &clk_coreclk.clk,
},
};
static struct clksrc_clk clk_aclk_corem0 = {
.clk = {
.name = "aclk_corem0",
.id = -1,
.parent = &clk_coreclk.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
};
static struct clksrc_clk clk_aclk_cores = {
.clk = {
.name = "aclk_cores",
.id = -1,
.parent = &clk_coreclk.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
};
static struct clksrc_clk clk_aclk_corem1 = {
.clk = {
.name = "aclk_corem1",
.id = -1,
.parent = &clk_coreclk.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
};
static struct clksrc_clk clk_periphclk = {
.clk = {
.name = "periphclk",
.id = -1,
.parent = &clk_coreclk.clk,
},
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
};
/* Core list of CMU_CORE side */
static struct clk *clkset_corebus_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
static struct clksrc_sources clkset_mout_corebus = {
.sources = clkset_corebus_list,
.nr_sources = ARRAY_SIZE(clkset_corebus_list),
};
static struct clksrc_clk clk_mout_corebus = {
.clk = {
.name = "mout_corebus",
.id = -1,
},
.sources = &clkset_mout_corebus,
.reg_src = { .reg = S5P_CLKSRC_DMC, .shift = 4, .size = 1 },
};
static struct clksrc_clk clk_sclk_dmc = {
.clk = {
.name = "sclk_dmc",
.id = -1,
.parent = &clk_mout_corebus.clk,
},
.reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 12, .size = 3 },
};
static struct clksrc_clk clk_aclk_cored = {
.clk = {
.name = "aclk_cored",
.id = -1,
.parent = &clk_sclk_dmc.clk,
},
.reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 16, .size = 3 },
};
static struct clksrc_clk clk_aclk_corep = {
.clk = {
.name = "aclk_corep",
.id = -1,
.parent = &clk_aclk_cored.clk,
},
.reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 20, .size = 3 },
};
static struct clksrc_clk clk_aclk_acp = {
.clk = {
.name = "aclk_acp",
.id = -1,
.parent = &clk_mout_corebus.clk,
},
.reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 0, .size = 3 },
};
static struct clksrc_clk clk_pclk_acp = {
.clk = {
.name = "pclk_acp",
.id = -1,
.parent = &clk_aclk_acp.clk,
},
.reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 4, .size = 3 },
};
/* Core list of CMU_TOP side */
static struct clk *clkset_aclk_top_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
static struct clksrc_sources clkset_aclk = {
.sources = clkset_aclk_top_list,
.nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
};
static struct clksrc_clk clk_aclk_200 = {
.clk = {
.name = "aclk_200",
.id = -1,
},
.sources = &clkset_aclk,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
};
static struct clksrc_clk clk_aclk_100 = {
.clk = {
.name = "aclk_100",
.id = -1,
},
.sources = &clkset_aclk,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
};
static struct clksrc_clk clk_aclk_160 = {
.clk = {
.name = "aclk_160",
.id = -1,
},
.sources = &clkset_aclk,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
};
static struct clksrc_clk clk_aclk_133 = {
.clk = {
.name = "aclk_133",
.id = -1,
},
.sources = &clkset_aclk,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
};
static struct clk *clkset_vpllsrc_list[] = {
[0] = &clk_fin_vpll,
[1] = &clk_sclk_hdmi27m,
};
static struct clksrc_sources clkset_vpllsrc = {
.sources = clkset_vpllsrc_list,
.nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
};
static struct clksrc_clk clk_vpllsrc = {
.clk = {
.name = "vpll_src",
.id = -1,
.enable = exynos4_clksrc_mask_top_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &clkset_vpllsrc,
.reg_src = { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
};
static struct clk *clkset_sclk_vpll_list[] = {
[0] = &clk_vpllsrc.clk,
[1] = &clk_fout_vpll,
};
static struct clksrc_sources clkset_sclk_vpll = {
.sources = clkset_sclk_vpll_list,
.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
};
static struct clksrc_clk clk_sclk_vpll = {
.clk = {
.name = "sclk_vpll",
.id = -1,
},
.sources = &clkset_sclk_vpll,
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
};
static struct clk init_clocks_off[] = {
{
.name = "timers",
.id = -1,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1<<24),
}, {
.name = "csis",
.id = 0,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "csis",
.id = 1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "fimc",
.id = 0,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "fimc",
.id = 1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "fimc",
.id = 2,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = "fimc",
.id = 3,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "fimd",
.id = 0,
.enable = exynos4_clk_ip_lcd0_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "fimd",
.id = 1,
.enable = exynos4_clk_ip_lcd1_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "sataphy",
.id = -1,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "hsmmc",
.id = 0,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "hsmmc",
.id = 1,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "hsmmc",
.id = 2,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "hsmmc",
.id = 3,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = "hsmmc",
.id = 4,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 9),
}, {
.name = "sata",
.id = -1,
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = "pdma",
.id = 0,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "pdma",
.id = 1,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "adc",
.id = -1,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 15),
}, {
.name = "keypad",
.id = -1,
.enable = exynos4_clk_ip_perir_ctrl,
.ctrlbit = (1 << 16),
}, {
.name = "rtc",
.id = -1,
.enable = exynos4_clk_ip_perir_ctrl,
.ctrlbit = (1 << 15),
}, {
.name = "watchdog",
.id = -1,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_perir_ctrl,
.ctrlbit = (1 << 14),
}, {
.name = "usbhost",
.id = -1,
.enable = exynos4_clk_ip_fsys_ctrl ,
.ctrlbit = (1 << 12),
}, {
.name = "otg",
.id = -1,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 13),
}, {
.name = "spi",
.id = 0,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 16),
}, {
.name = "spi",
.id = 1,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 17),
}, {
.name = "spi",
.id = 2,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 18),
}, {
.name = "iis",
.id = 0,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 19),
}, {
.name = "iis",
.id = 1,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 20),
}, {
.name = "iis",
.id = 2,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 21),
}, {
.name = "ac97",
.id = -1,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 27),
}, {
.name = "fimg2d",
.id = -1,
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "i2c",
.id = 0,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "i2c",
.id = 1,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "i2c",
.id = 2,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = "i2c",
.id = 3,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 9),
}, {
.name = "i2c",
.id = 4,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = "i2c",
.id = 5,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 11),
}, {
.name = "i2c",
.id = 6,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 12),
}, {
.name = "i2c",
.id = 7,
.parent = &clk_aclk_100.clk,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 13),
}, {
.name = "SYSMMU_MDMA",
.id = -1,
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "SYSMMU_FIMC0",
.id = -1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "SYSMMU_FIMC1",
.id = -1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = "SYSMMU_FIMC2",
.id = -1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 9),
}, {
.name = "SYSMMU_FIMC3",
.id = -1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 10),
}, {
.name = "SYSMMU_JPEG",
.id = -1,
.enable = exynos4_clk_ip_cam_ctrl,
.ctrlbit = (1 << 11),
}, {
.name = "SYSMMU_FIMD0",
.id = -1,
.enable = exynos4_clk_ip_lcd0_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "SYSMMU_FIMD1",
.id = -1,
.enable = exynos4_clk_ip_lcd1_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "SYSMMU_PCIe",
.id = -1,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 18),
}, {
.name = "SYSMMU_G2D",
.id = -1,
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "SYSMMU_ROTATOR",
.id = -1,
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "SYSMMU_TV",
.id = -1,
.enable = exynos4_clk_ip_tv_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "SYSMMU_MFC_L",
.id = -1,
.enable = exynos4_clk_ip_mfc_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "SYSMMU_MFC_R",
.id = -1,
.enable = exynos4_clk_ip_mfc_ctrl,
.ctrlbit = (1 << 2),
}
};
static struct clk init_clocks[] = {
{
.name = "uart",
.id = 0,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 0),
}, {
.name = "uart",
.id = 1,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 1),
}, {
.name = "uart",
.id = 2,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 2),
}, {
.name = "uart",
.id = 3,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 3),
}, {
.name = "uart",
.id = 4,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "uart",
.id = 5,
.enable = exynos4_clk_ip_peril_ctrl,
.ctrlbit = (1 << 5),
}
};
static struct clk *clkset_group_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_group = {
.sources = clkset_group_list,
.nr_sources = ARRAY_SIZE(clkset_group_list),
};
static struct clk *clkset_mout_g2d0_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
static struct clksrc_sources clkset_mout_g2d0 = {
.sources = clkset_mout_g2d0_list,
.nr_sources = ARRAY_SIZE(clkset_mout_g2d0_list),
};
static struct clksrc_clk clk_mout_g2d0 = {
.clk = {
.name = "mout_g2d0",
.id = -1,
},
.sources = &clkset_mout_g2d0,
.reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 0, .size = 1 },
};
static struct clk *clkset_mout_g2d1_list[] = {
[0] = &clk_mout_epll.clk,
[1] = &clk_sclk_vpll.clk,
};
static struct clksrc_sources clkset_mout_g2d1 = {
.sources = clkset_mout_g2d1_list,
.nr_sources = ARRAY_SIZE(clkset_mout_g2d1_list),
};
static struct clksrc_clk clk_mout_g2d1 = {
.clk = {
.name = "mout_g2d1",
.id = -1,
},
.sources = &clkset_mout_g2d1,
.reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 4, .size = 1 },
};
static struct clk *clkset_mout_g2d_list[] = {
[0] = &clk_mout_g2d0.clk,
[1] = &clk_mout_g2d1.clk,
};
static struct clksrc_sources clkset_mout_g2d = {
.sources = clkset_mout_g2d_list,
.nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
};
static struct clksrc_clk clk_dout_mmc0 = {
.clk = {
.name = "dout_mmc0",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc1 = {
.clk = {
.name = "dout_mmc1",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc2 = {
.clk = {
.name = "dout_mmc2",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc3 = {
.clk = {
.name = "dout_mmc3",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc4 = {
.clk = {
.name = "dout_mmc4",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
};
static struct clksrc_clk clksrcs[] = {
{
.clk = {
.name = "uclk1",
.id = 0,
.enable = exynos4_clksrc_mask_peril0_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "uclk1",
.id = 1,
.enable = exynos4_clksrc_mask_peril0_ctrl,
.ctrlbit = (1 << 4),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
}, {
.clk = {
.name = "uclk1",
.id = 2,
.enable = exynos4_clksrc_mask_peril0_ctrl,
.ctrlbit = (1 << 8),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
}, {
.clk = {
.name = "uclk1",
.id = 3,
.enable = exynos4_clksrc_mask_peril0_ctrl,
.ctrlbit = (1 << 12),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
}, {
.clk = {
.name = "sclk_pwm",
.id = -1,
.enable = exynos4_clksrc_mask_peril0_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_csis",
.id = 0,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 24, .size = 4 },
}, {
.clk = {
.name = "sclk_csis",
.id = 1,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 28),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 28, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
}, {
.clk = {
.name = "sclk_cam",
.id = 0,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 16),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
}, {
.clk = {
.name = "sclk_cam",
.id = 1,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 20, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 20, .size = 4 },
}, {
.clk = {
.name = "sclk_fimc",
.id = 0,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_fimc",
.id = 1,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 4),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 4, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 4, .size = 4 },
}, {
.clk = {
.name = "sclk_fimc",
.id = 2,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 8),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 8, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 8, .size = 4 },
}, {
.clk = {
.name = "sclk_fimc",
.id = 3,
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 12),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 12, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 12, .size = 4 },
}, {
.clk = {
.name = "sclk_fimd",
.id = 0,
.enable = exynos4_clksrc_mask_lcd0_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_fimd",
.id = 1,
.enable = exynos4_clksrc_mask_lcd1_ctrl,
.ctrlbit = (1 << 0),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_sata",
.id = -1,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_mout_corebus,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.id = 0,
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 16),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.id = 1,
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.id = 2,
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_fimg2d",
.id = -1,
},
.sources = &clkset_mout_g2d,
.reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 8, .size = 1 },
.reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 0,
.parent = &clk_dout_mmc0.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 1,
.parent = &clk_dout_mmc1.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 2,
.parent = &clk_dout_mmc2.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 3,
.parent = &clk_dout_mmc3.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 4,
.parent = &clk_dout_mmc4.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 16),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
}
};
/* Clock initialization code */
static struct clksrc_clk *sysclks[] = {
&clk_mout_apll,
&clk_sclk_apll,
&clk_mout_epll,
&clk_mout_mpll,
&clk_moutcore,
&clk_coreclk,
&clk_armclk,
&clk_aclk_corem0,
&clk_aclk_cores,
&clk_aclk_corem1,
&clk_periphclk,
&clk_mout_corebus,
&clk_sclk_dmc,
&clk_aclk_cored,
&clk_aclk_corep,
&clk_aclk_acp,
&clk_pclk_acp,
&clk_vpllsrc,
&clk_sclk_vpll,
&clk_aclk_200,
&clk_aclk_100,
&clk_aclk_160,
&clk_aclk_133,
&clk_dout_mmc0,
&clk_dout_mmc1,
&clk_dout_mmc2,
&clk_dout_mmc3,
&clk_dout_mmc4,
};
static int xtal_rate;
static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
{
return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
}
static struct clk_ops exynos4_fout_apll_ops = {
.get_rate = exynos4_fout_apll_get_rate,
};
void __init_or_cpufreq exynos4_setup_clocks(void)
{
struct clk *xtal_clk;
unsigned long apll;
unsigned long mpll;
unsigned long epll;
unsigned long vpll;
unsigned long vpllsrc;
unsigned long xtal;
unsigned long armclk;
unsigned long sclk_dmc;
unsigned long aclk_200;
unsigned long aclk_100;
unsigned long aclk_160;
unsigned long aclk_133;
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_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
__raw_readl(S5P_EPLL_CON1), pll_4600);
vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
__raw_readl(S5P_VPLL_CON1), pll_4650);
clk_fout_apll.ops = &exynos4_fout_apll_ops;
clk_fout_mpll.rate = mpll;
clk_fout_epll.rate = epll;
clk_fout_vpll.rate = vpll;
printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
apll, mpll, epll, vpll);
armclk = clk_get_rate(&clk_armclk.clk);
sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
aclk_200 = clk_get_rate(&clk_aclk_200.clk);
aclk_100 = clk_get_rate(&clk_aclk_100.clk);
aclk_160 = clk_get_rate(&clk_aclk_160.clk);
aclk_133 = clk_get_rate(&clk_aclk_133.clk);
printk(KERN_INFO "EXYNOS4: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
"ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
armclk, sclk_dmc, aclk_200,
aclk_100, aclk_160, aclk_133);
clk_f.rate = armclk;
clk_h.rate = sclk_dmc;
clk_p.rate = aclk_100;
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_set_clksrc(&clksrcs[ptr], true);
}
static struct clk *clks[] __initdata = {
/* Nothing here yet */
};
void __init exynos4_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();
}