/* linux/arch/arm/mach-s5pv210/clock.c * * Copyright (c) 2010 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5PV210 - 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/init.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/errno.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/io.h> #include <mach/map.h> #include <plat/cpu-freq.h> #include <mach/regs-clock.h> #include <plat/clock.h> #include <plat/cpu.h> #include <plat/pll.h> #include <plat/s5p-clock.h> #include <plat/clock-clksrc.h> #include "common.h" static unsigned long xtal; static struct clksrc_clk clk_mout_apll = { .clk = { .name = "mout_apll", }, .sources = &clk_src_apll, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 }, }; static struct clksrc_clk clk_mout_epll = { .clk = { .name = "mout_epll", }, .sources = &clk_src_epll, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 }, }; static struct clksrc_clk clk_mout_mpll = { .clk = { .name = "mout_mpll", }, .sources = &clk_src_mpll, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 }, }; static struct clk *clkset_armclk_list[] = { [0] = &clk_mout_apll.clk, [1] = &clk_mout_mpll.clk, }; static struct clksrc_sources clkset_armclk = { .sources = clkset_armclk_list, .nr_sources = ARRAY_SIZE(clkset_armclk_list), }; static struct clksrc_clk clk_armclk = { .clk = { .name = "armclk", }, .sources = &clkset_armclk, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 }, }; static struct clksrc_clk clk_hclk_msys = { .clk = { .name = "hclk_msys", .parent = &clk_armclk.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 }, }; static struct clksrc_clk clk_pclk_msys = { .clk = { .name = "pclk_msys", .parent = &clk_hclk_msys.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 }, }; static struct clksrc_clk clk_sclk_a2m = { .clk = { .name = "sclk_a2m", .parent = &clk_mout_apll.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 }, }; static struct clk *clkset_hclk_sys_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_sclk_a2m.clk, }; static struct clksrc_sources clkset_hclk_sys = { .sources = clkset_hclk_sys_list, .nr_sources = ARRAY_SIZE(clkset_hclk_sys_list), }; static struct clksrc_clk clk_hclk_dsys = { .clk = { .name = "hclk_dsys", }, .sources = &clkset_hclk_sys, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 }, }; static struct clksrc_clk clk_pclk_dsys = { .clk = { .name = "pclk_dsys", .parent = &clk_hclk_dsys.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 }, }; static struct clksrc_clk clk_hclk_psys = { .clk = { .name = "hclk_psys", }, .sources = &clkset_hclk_sys, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 }, }; static struct clksrc_clk clk_pclk_psys = { .clk = { .name = "pclk_psys", .parent = &clk_hclk_psys.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 }, }; static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable); } static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable); } static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable); } static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable); } static int s5pv210_clk_mask0_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLK_SRC_MASK0, clk, enable); } static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable); } static int s5pv210_clk_hdmiphy_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable); } static int exynos4_clk_dac_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable); } static struct clk clk_sclk_hdmi27m = { .name = "sclk_hdmi27m", .rate = 27000000, }; static struct clk clk_sclk_hdmiphy = { .name = "sclk_hdmiphy", }; static struct clk clk_sclk_usbphy0 = { .name = "sclk_usbphy0", }; static struct clk clk_sclk_usbphy1 = { .name = "sclk_usbphy1", }; static struct clk clk_pcmcdclk0 = { .name = "pcmcdclk", }; static struct clk clk_pcmcdclk1 = { .name = "pcmcdclk", }; static struct clk clk_pcmcdclk2 = { .name = "pcmcdclk", }; 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", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 7), }, .sources = &clkset_vpllsrc, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 28, .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", }, .sources = &clkset_sclk_vpll, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 }, }; static struct clk *clkset_moutdmc0src_list[] = { [0] = &clk_sclk_a2m.clk, [1] = &clk_mout_mpll.clk, [2] = NULL, [3] = NULL, }; static struct clksrc_sources clkset_moutdmc0src = { .sources = clkset_moutdmc0src_list, .nr_sources = ARRAY_SIZE(clkset_moutdmc0src_list), }; static struct clksrc_clk clk_mout_dmc0 = { .clk = { .name = "mout_dmc0", }, .sources = &clkset_moutdmc0src, .reg_src = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 }, }; static struct clksrc_clk clk_sclk_dmc0 = { .clk = { .name = "sclk_dmc0", .parent = &clk_mout_dmc0.clk, }, .reg_div = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 }, }; static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk) { return clk_get_rate(clk->parent) / 2; } static struct clk_ops clk_hclk_imem_ops = { .get_rate = s5pv210_clk_imem_get_rate, }; static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk) { return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508); } static struct clk_ops clk_fout_apll_ops = { .get_rate = s5pv210_clk_fout_apll_get_rate, }; static struct clk init_clocks_off[] = { { .name = "rot", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1<<29), }, { .name = "fimc", .devname = "s5pv210-fimc.0", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 24), }, { .name = "fimc", .devname = "s5pv210-fimc.1", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 25), }, { .name = "fimc", .devname = "s5pv210-fimc.2", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 26), }, { .name = "jpeg", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 28), }, { .name = "mfc", .devname = "s5p-mfc", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 16), }, { .name = "dac", .devname = "s5p-sdo", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1 << 10), }, { .name = "mixer", .devname = "s5p-mixer", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1 << 9), }, { .name = "vp", .devname = "s5p-mixer", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1 << 8), }, { .name = "hdmi", .devname = "s5pv210-hdmi", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1 << 11), }, { .name = "hdmiphy", .devname = "s5pv210-hdmi", .enable = s5pv210_clk_hdmiphy_ctrl, .ctrlbit = (1 << 0), }, { .name = "dacphy", .devname = "s5p-sdo", .enable = exynos4_clk_dac_ctrl, .ctrlbit = (1 << 0), }, { .name = "otg", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1<<16), }, { .name = "usb-host", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1<<17), }, { .name = "lcd", .parent = &clk_hclk_dsys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1<<0), }, { .name = "cfcon", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip1_ctrl, .ctrlbit = (1<<25), }, { .name = "systimer", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<16), }, { .name = "watchdog", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<22), }, { .name = "rtc", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<15), }, { .name = "i2c", .devname = "s3c2440-i2c.0", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<7), }, { .name = "i2c", .devname = "s3c2440-i2c.1", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 10), }, { .name = "i2c", .devname = "s3c2440-i2c.2", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<9), }, { .name = "i2c", .devname = "s3c2440-hdmiphy-i2c", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 11), }, { .name = "spi", .devname = "s5pv210-spi.0", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<12), }, { .name = "spi", .devname = "s5pv210-spi.1", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<13), }, { .name = "spi", .devname = "s5pv210-spi.2", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<14), }, { .name = "timers", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<23), }, { .name = "adc", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<24), }, { .name = "keypad", .parent = &clk_pclk_psys.clk, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<21), }, { .name = "iis", .devname = "samsung-i2s.0", .parent = &clk_p, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<4), }, { .name = "iis", .devname = "samsung-i2s.1", .parent = &clk_p, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 5), }, { .name = "iis", .devname = "samsung-i2s.2", .parent = &clk_p, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 6), }, { .name = "spdif", .parent = &clk_p, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 0), }, }; static struct clk init_clocks[] = { { .name = "hclk_imem", .parent = &clk_hclk_msys.clk, .ctrlbit = (1 << 5), .enable = s5pv210_clk_ip0_ctrl, .ops = &clk_hclk_imem_ops, }, { .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 clk_hsmmc0 = { .name = "hsmmc", .devname = "s3c-sdhci.0", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip2_ctrl, .ctrlbit = (1<<16), }; static struct clk clk_hsmmc1 = { .name = "hsmmc", .devname = "s3c-sdhci.1", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip2_ctrl, .ctrlbit = (1<<17), }; static struct clk clk_hsmmc2 = { .name = "hsmmc", .devname = "s3c-sdhci.2", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip2_ctrl, .ctrlbit = (1<<18), }; static struct clk clk_hsmmc3 = { .name = "hsmmc", .devname = "s3c-sdhci.3", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip2_ctrl, .ctrlbit = (1<<19), }; static struct clk clk_pdma0 = { .name = "pdma0", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 3), }; static struct clk clk_pdma1 = { .name = "pdma1", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 4), }; 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 clksrc_clk clk_sclk_mixer = { .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 }, }; static struct clksrc_clk *sclk_tv[] = { &clk_sclk_dac, &clk_sclk_pixel, &clk_sclk_hdmi, &clk_sclk_mixer, }; 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 = "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_cam0", .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_cam1", .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_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_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 }, }, }; static struct clksrc_clk clk_sclk_uart0 = { .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 }, }; static struct clksrc_clk clk_sclk_uart1 = { .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 }, }; static struct clksrc_clk clk_sclk_uart2 = { .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 }, }; static struct clksrc_clk clk_sclk_uart3 = { .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 }, }; static struct clksrc_clk clk_sclk_mmc0 = { .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 }, }; static struct clksrc_clk clk_sclk_mmc1 = { .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 }, }; static struct clksrc_clk clk_sclk_mmc2 = { .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 }, }; static struct clksrc_clk clk_sclk_mmc3 = { .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 }, }; static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", .devname = "s5pv210-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 }, }; static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", .devname = "s5pv210-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 }, }; static struct clksrc_clk *clksrc_cdev[] = { &clk_sclk_uart0, &clk_sclk_uart1, &clk_sclk_uart2, &clk_sclk_uart3, &clk_sclk_mmc0, &clk_sclk_mmc1, &clk_sclk_mmc2, &clk_sclk_mmc3, &clk_sclk_spi0, &clk_sclk_spi1, }; static struct clk *clk_cdev[] = { &clk_hsmmc0, &clk_hsmmc1, &clk_hsmmc2, &clk_hsmmc3, &clk_pdma0, &clk_pdma1, }; /* 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_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, }; static u32 vpll_div[][5] = { { 54000000, 3, 53, 3, 0 }, { 108000000, 3, 53, 2, 0 }, }; static unsigned long s5pv210_vpll_get_rate(struct clk *clk) { return clk->rate; } static int s5pv210_vpll_set_rate(struct clk *clk, unsigned long rate) { unsigned int vpll_con; unsigned int i; /* Return if nothing changed */ if (clk->rate == rate) return 0; vpll_con = __raw_readl(S5P_VPLL_CON); vpll_con &= ~(0x1 << 27 | \ PLL90XX_MDIV_MASK << PLL90XX_MDIV_SHIFT | \ PLL90XX_PDIV_MASK << PLL90XX_PDIV_SHIFT | \ PLL90XX_SDIV_MASK << PLL90XX_SDIV_SHIFT); for (i = 0; i < ARRAY_SIZE(vpll_div); i++) { if (vpll_div[i][0] == rate) { vpll_con |= vpll_div[i][1] << PLL90XX_PDIV_SHIFT; vpll_con |= vpll_div[i][2] << PLL90XX_MDIV_SHIFT; vpll_con |= vpll_div[i][3] << PLL90XX_SDIV_SHIFT; vpll_con |= vpll_div[i][4] << 27; break; } } if (i == ARRAY_SIZE(vpll_div)) { printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n", __func__); return -EINVAL; } __raw_writel(vpll_con, S5P_VPLL_CON); /* Wait for VPLL lock */ while (!(__raw_readl(S5P_VPLL_CON) & (1 << PLL90XX_LOCKED_SHIFT))) continue; clk->rate = rate; return 0; } static struct clk_ops s5pv210_vpll_ops = { .get_rate = s5pv210_vpll_get_rate, .set_rate = s5pv210_vpll_set_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.ops = &s5pv210_vpll_ops; 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, }; static struct clk_lookup s5pv210_clk_lookup[] = { CLKDEV_INIT(NULL, "clk_uart_baud0", &clk_p), CLKDEV_INIT("s5pv210-uart.0", "clk_uart_baud1", &clk_sclk_uart0.clk), CLKDEV_INIT("s5pv210-uart.1", "clk_uart_baud1", &clk_sclk_uart1.clk), CLKDEV_INIT("s5pv210-uart.2", "clk_uart_baud1", &clk_sclk_uart2.clk), CLKDEV_INIT("s5pv210-uart.3", "clk_uart_baud1", &clk_sclk_uart3.clk), CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2), CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.0", &clk_hsmmc3), CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk), CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), CLKDEV_INIT("s5pv210-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), CLKDEV_INIT("s5pv210-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &clk_pdma1), }; 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); for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++) s3c_register_clksrc(sclk_tv[ptr], 1); for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++) s3c_register_clksrc(clksrc_cdev[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)); clkdev_add_table(s5pv210_clk_lookup, ARRAY_SIZE(s5pv210_clk_lookup)); s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); for (ptr = 0; ptr < ARRAY_SIZE(clk_cdev); ptr++) s3c_disable_clocks(clk_cdev[ptr], 1); s3c_pwmclk_init(); }