/* linux/arch/arm/mach-s5pc100/clock.c * * Copyright (c) 2010 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * S5PC100 - 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" static struct clk s5p_clk_otgphy = { .name = "otg_phy", }; static struct clk dummy_apb_pclk = { .name = "apb_pclk", .id = -1, }; static struct clk *clk_src_mout_href_list[] = { [0] = &s5p_clk_27m, [1] = &clk_fin_hpll, }; static struct clksrc_sources clk_src_mout_href = { .sources = clk_src_mout_href_list, .nr_sources = ARRAY_SIZE(clk_src_mout_href_list), }; static struct clksrc_clk clk_mout_href = { .clk = { .name = "mout_href", }, .sources = &clk_src_mout_href, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 }, }; static struct clk *clk_src_mout_48m_list[] = { [0] = &clk_xusbxti, [1] = &s5p_clk_otgphy, }; static struct clksrc_sources clk_src_mout_48m = { .sources = clk_src_mout_48m_list, .nr_sources = ARRAY_SIZE(clk_src_mout_48m_list), }; static struct clksrc_clk clk_mout_48m = { .clk = { .name = "mout_48m", }, .sources = &clk_src_mout_48m, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .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 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 clk *clk_src_mout_hpll_list[] = { [0] = &s5p_clk_27m, }; static struct clksrc_sources clk_src_mout_hpll = { .sources = clk_src_mout_hpll_list, .nr_sources = ARRAY_SIZE(clk_src_mout_hpll_list), }; static struct clksrc_clk clk_mout_hpll = { .clk = { .name = "mout_hpll", }, .sources = &clk_src_mout_hpll, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 }, }; static struct clksrc_clk clk_div_apll = { .clk = { .name = "div_apll", .parent = &clk_mout_apll.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 1 }, }; static struct clksrc_clk clk_div_arm = { .clk = { .name = "div_arm", .parent = &clk_div_apll.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 }, }; static struct clksrc_clk clk_div_d0_bus = { .clk = { .name = "div_d0_bus", .parent = &clk_div_arm.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 }, }; static struct clksrc_clk clk_div_pclkd0 = { .clk = { .name = "div_pclkd0", .parent = &clk_div_d0_bus.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 }, }; static struct clksrc_clk clk_div_secss = { .clk = { .name = "div_secss", .parent = &clk_div_d0_bus.clk, }, .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 3 }, }; static struct clksrc_clk clk_div_apll2 = { .clk = { .name = "div_apll2", .parent = &clk_mout_apll.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 3 }, }; static struct clk *clk_src_mout_am_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_div_apll2.clk, }; static struct clksrc_sources clk_src_mout_am = { .sources = clk_src_mout_am_list, .nr_sources = ARRAY_SIZE(clk_src_mout_am_list), }; static struct clksrc_clk clk_mout_am = { .clk = { .name = "mout_am", }, .sources = &clk_src_mout_am, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 }, }; static struct clksrc_clk clk_div_d1_bus = { .clk = { .name = "div_d1_bus", .parent = &clk_mout_am.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 3 }, }; static struct clksrc_clk clk_div_mpll2 = { .clk = { .name = "div_mpll2", .parent = &clk_mout_am.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 1 }, }; static struct clksrc_clk clk_div_mpll = { .clk = { .name = "div_mpll", .parent = &clk_mout_am.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 2 }, }; static struct clk *clk_src_mout_onenand_list[] = { [0] = &clk_div_d0_bus.clk, [1] = &clk_div_d1_bus.clk, }; static struct clksrc_sources clk_src_mout_onenand = { .sources = clk_src_mout_onenand_list, .nr_sources = ARRAY_SIZE(clk_src_mout_onenand_list), }; static struct clksrc_clk clk_mout_onenand = { .clk = { .name = "mout_onenand", }, .sources = &clk_src_mout_onenand, .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 }, }; static struct clksrc_clk clk_div_onenand = { .clk = { .name = "div_onenand", .parent = &clk_mout_onenand.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 2 }, }; static struct clksrc_clk clk_div_pclkd1 = { .clk = { .name = "div_pclkd1", .parent = &clk_div_d1_bus.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 3 }, }; static struct clksrc_clk clk_div_cam = { .clk = { .name = "div_cam", .parent = &clk_div_mpll2.clk, }, .reg_div = { .reg = S5P_CLK_DIV1, .shift = 24, .size = 5 }, }; static struct clksrc_clk clk_div_hdmi = { .clk = { .name = "div_hdmi", .parent = &clk_mout_hpll.clk, }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 28, .size = 4 }, }; static u32 epll_div[][4] = { { 32750000, 131, 3, 4 }, { 32768000, 131, 3, 4 }, { 36000000, 72, 3, 3 }, { 45000000, 90, 3, 3 }, { 45158000, 90, 3, 3 }, { 45158400, 90, 3, 3 }, { 48000000, 96, 3, 3 }, { 49125000, 131, 4, 3 }, { 49152000, 131, 4, 3 }, { 60000000, 120, 3, 3 }, { 67737600, 226, 5, 3 }, { 67738000, 226, 5, 3 }, { 73800000, 246, 5, 3 }, { 73728000, 246, 5, 3 }, { 72000000, 144, 3, 3 }, { 84000000, 168, 3, 3 }, { 96000000, 96, 3, 2 }, { 144000000, 144, 3, 2 }, { 192000000, 96, 3, 1 } }; static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate) { unsigned int epll_con; unsigned int i; if (clk->rate == rate) /* Return if nothing changed */ return 0; epll_con = __raw_readl(S5P_EPLL_CON); epll_con &= ~(PLL65XX_MDIV_MASK | PLL65XX_PDIV_MASK | PLL65XX_SDIV_MASK); for (i = 0; i < ARRAY_SIZE(epll_div); i++) { if (epll_div[i][0] == rate) { epll_con |= (epll_div[i][1] << PLL65XX_MDIV_SHIFT) | (epll_div[i][2] << PLL65XX_PDIV_SHIFT) | (epll_div[i][3] << PLL65XX_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); printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n", clk->rate, rate); clk->rate = rate; return 0; } static struct clk_ops s5pc100_epll_ops = { .get_rate = s5p_epll_get_rate, .set_rate = s5pc100_epll_set_rate, }; static int s5pc100_d0_0_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D00, clk, enable); } static int s5pc100_d0_1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D01, clk, enable); } static int s5pc100_d0_2_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D02, clk, enable); } static int s5pc100_d1_0_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D10, clk, enable); } static int s5pc100_d1_1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D11, clk, enable); } static int s5pc100_d1_2_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D12, clk, enable); } static int s5pc100_d1_3_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D13, clk, enable); } static int s5pc100_d1_4_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D14, clk, enable); } static int s5pc100_d1_5_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_D15, clk, enable); } static int s5pc100_sclk0_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_SCLK0, clk, enable); } static int s5pc100_sclk1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_SCLK1, clk, enable); } /* * The following clocks will be disabled during clock initialization. It is * recommended to keep the following clocks disabled until the driver requests * for enabling the clock. */ static struct clk init_clocks_off[] = { { .name = "cssys", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 6), }, { .name = "secss", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 5), }, { .name = "g2d", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 4), }, { .name = "mdma", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 3), }, { .name = "cfcon", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 2), }, { .name = "nfcon", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 3), }, { .name = "onenandc", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 2), }, { .name = "sdm", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_2_ctrl, .ctrlbit = (1 << 2), }, { .name = "seckey", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_2_ctrl, .ctrlbit = (1 << 1), }, { .name = "modemif", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 4), }, { .name = "otg", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 3), }, { .name = "usbhost", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 2), }, { .name = "dma", .devname = "dma-pl330.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 1), }, { .name = "dma", .devname = "dma-pl330.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 0), }, { .name = "lcd", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 0), }, { .name = "rotator", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 1), }, { .name = "fimc", .devname = "s5p-fimc.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 2), }, { .name = "fimc", .devname = "s5p-fimc.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 3), }, { .name = "fimc", .devname = "s5p-fimc.2", .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 4), }, { .name = "jpeg", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 5), }, { .name = "mipi-dsim", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 6), }, { .name = "mipi-csis", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_1_ctrl, .ctrlbit = (1 << 7), }, { .name = "g3d", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 8), }, { .name = "tv", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_2_ctrl, .ctrlbit = (1 << 0), }, { .name = "vp", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_2_ctrl, .ctrlbit = (1 << 1), }, { .name = "mixer", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_2_ctrl, .ctrlbit = (1 << 2), }, { .name = "hdmi", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_2_ctrl, .ctrlbit = (1 << 3), }, { .name = "mfc", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_2_ctrl, .ctrlbit = (1 << 4), }, { .name = "apc", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 2), }, { .name = "iec", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 3), }, { .name = "systimer", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 7), }, { .name = "watchdog", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 8), }, { .name = "rtc", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 9), }, { .name = "i2c", .devname = "s3c2440-i2c.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 4), }, { .name = "i2c", .devname = "s3c2440-i2c.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 5), }, { .name = "spi", .devname = "s5pc100-spi.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 6), }, { .name = "spi", .devname = "s5pc100-spi.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 7), }, { .name = "spi", .devname = "s5pc100-spi.2", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 8), }, { .name = "irda", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 9), }, { .name = "ccan", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 10), }, { .name = "ccan", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 11), }, { .name = "hsitx", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 12), }, { .name = "hsirx", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 13), }, { .name = "ac97", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 3), }, { .name = "pcm", .devname = "samsung-pcm.0", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 4), }, { .name = "pcm", .devname = "samsung-pcm.1", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 5), }, { .name = "spdif", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 6), }, { .name = "adc", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 7), }, { .name = "keypad", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 8), }, { .name = "mmc_48m", .devname = "s3c-sdhci.0", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 15), }, { .name = "mmc_48m", .devname = "s3c-sdhci.1", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 16), }, { .name = "mmc_48m", .devname = "s3c-sdhci.2", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 17), }, }; static struct clk clk_hsmmc2 = { .name = "hsmmc", .devname = "s3c-sdhci.2", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 7), }; static struct clk clk_hsmmc1 = { .name = "hsmmc", .devname = "s3c-sdhci.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 6), }; static struct clk clk_hsmmc0 = { .name = "hsmmc", .devname = "s3c-sdhci.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 5), }; static struct clk clk_48m_spi0 = { .name = "spi_48m", .devname = "s5pc100-spi.0", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 7), }; static struct clk clk_48m_spi1 = { .name = "spi_48m", .devname = "s5pc100-spi.1", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 8), }; static struct clk clk_48m_spi2 = { .name = "spi_48m", .devname = "s5pc100-spi.2", .parent = &clk_mout_48m.clk, .enable = s5pc100_sclk0_ctrl, .ctrlbit = (1 << 9), }; static struct clk clk_i2s0 = { .name = "iis", .devname = "samsung-i2s.0", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 0), }; static struct clk clk_i2s1 = { .name = "iis", .devname = "samsung-i2s.1", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 1), }; static struct clk clk_i2s2 = { .name = "iis", .devname = "samsung-i2s.2", .parent = &clk_div_pclkd1.clk, .enable = s5pc100_d1_5_ctrl, .ctrlbit = (1 << 2), }; static struct clk clk_vclk54m = { .name = "vclk_54m", .rate = 54000000, }; static struct clk clk_i2scdclk0 = { .name = "i2s_cdclk0", }; static struct clk clk_i2scdclk1 = { .name = "i2s_cdclk1", }; static struct clk clk_i2scdclk2 = { .name = "i2s_cdclk2", }; static struct clk clk_pcmcdclk0 = { .name = "pcm_cdclk0", }; static struct clk clk_pcmcdclk1 = { .name = "pcm_cdclk1", }; static struct clk *clk_src_group1_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll2.clk, [2] = &clk_fin_epll, [3] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_group1 = { .sources = clk_src_group1_list, .nr_sources = ARRAY_SIZE(clk_src_group1_list), }; static struct clk *clk_src_group2_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, }; static struct clksrc_sources clk_src_group2 = { .sources = clk_src_group2_list, .nr_sources = ARRAY_SIZE(clk_src_group2_list), }; static struct clk *clk_src_group3_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, [3] = &clk_i2scdclk0, [4] = &clk_pcmcdclk0, [5] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_group3 = { .sources = clk_src_group3_list, .nr_sources = ARRAY_SIZE(clk_src_group3_list), }; static struct clksrc_clk clk_sclk_audio0 = { .clk = { .name = "sclk_audio", .devname = "samsung-pcm.0", .ctrlbit = (1 << 8), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group3, .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 }, .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 }, }; static struct clk *clk_src_group4_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, [3] = &clk_i2scdclk1, [4] = &clk_pcmcdclk1, [5] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_group4 = { .sources = clk_src_group4_list, .nr_sources = ARRAY_SIZE(clk_src_group4_list), }; static struct clksrc_clk clk_sclk_audio1 = { .clk = { .name = "sclk_audio", .devname = "samsung-pcm.1", .ctrlbit = (1 << 9), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group4, .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 }, .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 }, }; static struct clk *clk_src_group5_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, [3] = &clk_i2scdclk2, [4] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_group5 = { .sources = clk_src_group5_list, .nr_sources = ARRAY_SIZE(clk_src_group5_list), }; static struct clksrc_clk clk_sclk_audio2 = { .clk = { .name = "sclk_audio", .devname = "samsung-pcm.2", .ctrlbit = (1 << 10), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group5, .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 }, .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 }, }; static struct clk *clk_src_group6_list[] = { [0] = &s5p_clk_27m, [1] = &clk_vclk54m, [2] = &clk_div_hdmi.clk, }; static struct clksrc_sources clk_src_group6 = { .sources = clk_src_group6_list, .nr_sources = ARRAY_SIZE(clk_src_group6_list), }; static struct clk *clk_src_group7_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_mout_hpll.clk, [3] = &clk_vclk54m, }; static struct clksrc_sources clk_src_group7 = { .sources = clk_src_group7_list, .nr_sources = ARRAY_SIZE(clk_src_group7_list), }; static struct clk *clk_src_mmc0_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, }; static struct clksrc_sources clk_src_mmc0 = { .sources = clk_src_mmc0_list, .nr_sources = ARRAY_SIZE(clk_src_mmc0_list), }; static struct clk *clk_src_mmc12_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, [3] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_mmc12 = { .sources = clk_src_mmc12_list, .nr_sources = ARRAY_SIZE(clk_src_mmc12_list), }; static struct clk *clk_src_irda_usb_list[] = { [0] = &clk_mout_epll.clk, [1] = &clk_div_mpll.clk, [2] = &clk_fin_epll, [3] = &clk_mout_hpll.clk, }; static struct clksrc_sources clk_src_irda_usb = { .sources = clk_src_irda_usb_list, .nr_sources = ARRAY_SIZE(clk_src_irda_usb_list), }; static struct clk *clk_src_pwi_list[] = { [0] = &clk_fin_epll, [1] = &clk_mout_epll.clk, [2] = &clk_div_mpll.clk, }; static struct clksrc_sources clk_src_pwi = { .sources = clk_src_pwi_list, .nr_sources = ARRAY_SIZE(clk_src_pwi_list), }; static struct clk *clk_sclk_spdif_list[] = { [0] = &clk_sclk_audio0.clk, [1] = &clk_sclk_audio1.clk, [2] = &clk_sclk_audio2.clk, }; static struct clksrc_sources clk_src_sclk_spdif = { .sources = clk_sclk_spdif_list, .nr_sources = ARRAY_SIZE(clk_sclk_spdif_list), }; static struct clksrc_clk clk_sclk_spdif = { .clk = { .name = "sclk_spdif", .ctrlbit = (1 << 11), .enable = s5pc100_sclk1_ctrl, .ops = &s5p_sclk_spdif_ops, }, .sources = &clk_src_sclk_spdif, .reg_src = { .reg = S5P_CLK_SRC3, .shift = 24, .size = 2 }, }; static struct clksrc_clk clksrcs[] = { { .clk = { .name = "sclk_mixer", .ctrlbit = (1 << 6), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_group6, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 28, .size = 2 }, }, { .clk = { .name = "sclk_lcd", .ctrlbit = (1 << 0), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group7, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 12, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 }, }, { .clk = { .name = "sclk_fimc", .devname = "s5p-fimc.0", .ctrlbit = (1 << 1), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group7, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 16, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 }, }, { .clk = { .name = "sclk_fimc", .devname = "s5p-fimc.1", .ctrlbit = (1 << 2), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group7, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 20, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 }, }, { .clk = { .name = "sclk_fimc", .devname = "s5p-fimc.2", .ctrlbit = (1 << 3), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_group7, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 24, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 24, .size = 4 }, }, { .clk = { .name = "sclk_irda", .ctrlbit = (1 << 10), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_irda_usb, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 }, }, { .clk = { .name = "sclk_irda", .ctrlbit = (1 << 10), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_mmc12, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 }, }, { .clk = { .name = "sclk_pwi", .ctrlbit = (1 << 1), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_pwi, .reg_src = { .reg = S5P_CLK_SRC3, .shift = 0, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 3 }, }, { .clk = { .name = "sclk_uhost", .ctrlbit = (1 << 11), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_irda_usb, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 20, .size = 4 }, }, }; static struct clksrc_clk clk_sclk_uart = { .clk = { .name = "uclk1", .ctrlbit = (1 << 3), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_group2, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 }, }; static struct clksrc_clk clk_sclk_mmc0 = { .clk = { .name = "sclk_mmc", .devname = "s3c-sdhci.0", .ctrlbit = (1 << 12), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_mmc0, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 }, }; static struct clksrc_clk clk_sclk_mmc1 = { .clk = { .name = "sclk_mmc", .devname = "s3c-sdhci.1", .ctrlbit = (1 << 13), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_mmc12, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 }, }; static struct clksrc_clk clk_sclk_mmc2 = { .clk = { .name = "sclk_mmc", .devname = "s3c-sdhci.2", .ctrlbit = (1 << 14), .enable = s5pc100_sclk1_ctrl, }, .sources = &clk_src_mmc12, .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 }, }; static struct clksrc_clk clk_sclk_spi0 = { .clk = { .name = "sclk_spi", .devname = "s5pc100-spi.0", .ctrlbit = (1 << 4), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_group1, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 }, }; static struct clksrc_clk clk_sclk_spi1 = { .clk = { .name = "sclk_spi", .devname = "s5pc100-spi.1", .ctrlbit = (1 << 5), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_group1, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 }, }; static struct clksrc_clk clk_sclk_spi2 = { .clk = { .name = "sclk_spi", .devname = "s5pc100-spi.2", .ctrlbit = (1 << 6), .enable = s5pc100_sclk0_ctrl, }, .sources = &clk_src_group1, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 }, .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 }, }; /* Clock initialisation code */ static struct clksrc_clk *sysclks[] = { &clk_mout_apll, &clk_mout_epll, &clk_mout_mpll, &clk_mout_hpll, &clk_mout_href, &clk_mout_48m, &clk_div_apll, &clk_div_arm, &clk_div_d0_bus, &clk_div_pclkd0, &clk_div_secss, &clk_div_apll2, &clk_mout_am, &clk_div_d1_bus, &clk_div_mpll2, &clk_div_mpll, &clk_mout_onenand, &clk_div_onenand, &clk_div_pclkd1, &clk_div_cam, &clk_div_hdmi, &clk_sclk_audio0, &clk_sclk_audio1, &clk_sclk_audio2, &clk_sclk_spdif, }; static struct clk *clk_cdev[] = { &clk_hsmmc0, &clk_hsmmc1, &clk_hsmmc2, &clk_48m_spi0, &clk_48m_spi1, &clk_48m_spi2, &clk_i2s0, &clk_i2s1, &clk_i2s2, }; static struct clksrc_clk *clksrc_cdev[] = { &clk_sclk_uart, &clk_sclk_mmc0, &clk_sclk_mmc1, &clk_sclk_mmc2, &clk_sclk_spi0, &clk_sclk_spi1, &clk_sclk_spi2, }; void __init_or_cpufreq s5pc100_setup_clocks(void) { unsigned long xtal; unsigned long arm; unsigned long hclkd0; unsigned long hclkd1; unsigned long pclkd0; unsigned long pclkd1; unsigned long apll; unsigned long mpll; unsigned long epll; unsigned long hpll; unsigned int ptr; /* Set S5PC100 functions for clk_fout_epll */ clk_fout_epll.enable = s5p_epll_enable; clk_fout_epll.ops = &s5pc100_epll_ops; printk(KERN_DEBUG "%s: registering clocks\n", __func__); xtal = clk_get_rate(&clk_xtal); printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); apll = s5p_get_pll65xx(xtal, __raw_readl(S5P_APLL_CON)); mpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_MPLL_CON)); epll = s5p_get_pll65xx(xtal, __raw_readl(S5P_EPLL_CON)); hpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_HPLL_CON)); printk(KERN_INFO "S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n", print_mhz(apll), print_mhz(mpll), print_mhz(epll), print_mhz(hpll)); clk_fout_apll.rate = apll; clk_fout_mpll.rate = mpll; clk_fout_epll.rate = epll; clk_mout_hpll.clk.rate = hpll; for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) s3c_set_clksrc(&clksrcs[ptr], true); arm = clk_get_rate(&clk_div_arm.clk); hclkd0 = clk_get_rate(&clk_div_d0_bus.clk); pclkd0 = clk_get_rate(&clk_div_pclkd0.clk); hclkd1 = clk_get_rate(&clk_div_d1_bus.clk); pclkd1 = clk_get_rate(&clk_div_pclkd1.clk); printk(KERN_INFO "S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n", print_mhz(hclkd0), print_mhz(hclkd1), print_mhz(pclkd0), print_mhz(pclkd1)); clk_f.rate = arm; clk_h.rate = hclkd1; clk_p.rate = pclkd1; } /* * The following clocks will be enabled during clock initialization. */ static struct clk init_clocks[] = { { .name = "tzic", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 1), }, { .name = "intc", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_0_ctrl, .ctrlbit = (1 << 0), }, { .name = "ebi", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 5), }, { .name = "intmem", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 4), }, { .name = "sromc", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 1), }, { .name = "dmc", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 0), }, { .name = "chipid", .parent = &clk_div_d0_bus.clk, .enable = s5pc100_d0_1_ctrl, .ctrlbit = (1 << 0), }, { .name = "gpio", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 1), }, { .name = "uart", .devname = "s3c6400-uart.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 0), }, { .name = "uart", .devname = "s3c6400-uart.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 1), }, { .name = "uart", .devname = "s3c6400-uart.2", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 2), }, { .name = "uart", .devname = "s3c6400-uart.3", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_4_ctrl, .ctrlbit = (1 << 3), }, { .name = "timers", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_3_ctrl, .ctrlbit = (1 << 6), }, }; static struct clk *clks[] __initdata = { &clk_ext, &clk_i2scdclk0, &clk_i2scdclk1, &clk_i2scdclk2, &clk_pcmcdclk0, &clk_pcmcdclk1, }; static struct clk_lookup s5pc100_clk_lookup[] = { CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uart.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.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(NULL, "spi_busclk0", &clk_p), CLKDEV_INIT("s5pc100-spi.0", "spi_busclk1", &clk_48m_spi0), CLKDEV_INIT("s5pc100-spi.0", "spi_busclk2", &clk_sclk_spi0.clk), CLKDEV_INIT("s5pc100-spi.1", "spi_busclk1", &clk_48m_spi1), CLKDEV_INIT("s5pc100-spi.1", "spi_busclk2", &clk_sclk_spi1.clk), CLKDEV_INIT("s5pc100-spi.2", "spi_busclk1", &clk_48m_spi2), CLKDEV_INIT("s5pc100-spi.2", "spi_busclk2", &clk_sclk_spi2.clk), CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0), CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1), CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2), }; void __init s5pc100_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)); for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++) s3c_register_clksrc(clksrc_cdev[ptr], 1); 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(s5pc100_clk_lookup, ARRAY_SIZE(s5pc100_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); s3c24xx_register_clock(&dummy_apb_pclk); s3c_pwmclk_init(); }