+++ /dev/null
-/* linux/arch/arm/mach-s5p6440/clock.c
- *
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * S5P6440 - 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/sysdev.h>
-#include <linux/io.h>
-
-#include <mach/hardware.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/clock-clksrc.h>
-#include <plat/s5p-clock.h>
-#include <plat/pll.h>
-#include <plat/s5p6440.h>
-
-/* APLL Mux output clock */
-static struct clksrc_clk clk_mout_apll = {
- .clk = {
- .name = "mout_apll",
- .id = -1,
- },
- .sources = &clk_src_apll,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
-};
-
-static int s5p6440_epll_enable(struct clk *clk, int enable)
-{
- unsigned int ctrlbit = clk->ctrlbit;
- unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit;
-
- if (enable)
- __raw_writel(epll_con | ctrlbit, S5P_EPLL_CON);
- else
- __raw_writel(epll_con, S5P_EPLL_CON);
-
- return 0;
-}
-
-static unsigned long s5p6440_epll_get_rate(struct clk *clk)
-{
- return clk->rate;
-}
-
-static u32 epll_div[][5] = {
- { 36000000, 0, 48, 1, 4 },
- { 48000000, 0, 32, 1, 3 },
- { 60000000, 0, 40, 1, 3 },
- { 72000000, 0, 48, 1, 3 },
- { 84000000, 0, 28, 1, 2 },
- { 96000000, 0, 32, 1, 2 },
- { 32768000, 45264, 43, 1, 4 },
- { 45158000, 6903, 30, 1, 3 },
- { 49152000, 50332, 32, 1, 3 },
- { 67738000, 10398, 45, 1, 3 },
- { 73728000, 9961, 49, 1, 3 }
-};
-
-static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
-{
- unsigned int epll_con, epll_con_k;
- unsigned int i;
-
- if (clk->rate == rate) /* Return if nothing changed */
- return 0;
-
- epll_con = __raw_readl(S5P_EPLL_CON);
- epll_con_k = __raw_readl(S5P_EPLL_CON_K);
-
- epll_con_k &= ~(PLL90XX_KDIV_MASK);
- epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
-
- for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
- if (epll_div[i][0] == rate) {
- epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
- epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
- (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
- (epll_div[i][4] << PLL90XX_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_CON_K);
-
- clk->rate = rate;
-
- return 0;
-}
-
-static struct clk_ops s5p6440_epll_ops = {
- .get_rate = s5p6440_epll_get_rate,
- .set_rate = s5p6440_epll_set_rate,
-};
-
-static struct clksrc_clk clk_mout_epll = {
- .clk = {
- .name = "mout_epll",
- .id = -1,
- },
- .sources = &clk_src_epll,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 2, .size = 1 },
-};
-
-static struct clksrc_clk clk_mout_mpll = {
- .clk = {
- .name = "mout_mpll",
- .id = -1,
- },
- .sources = &clk_src_mpll,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 1, .size = 1 },
-};
-
-enum perf_level {
- L0 = 532*1000,
- L1 = 266*1000,
- L2 = 133*1000,
-};
-
-static const u32 clock_table[][3] = {
- /*{ARM_CLK, DIVarm, DIVhclk}*/
- {L0 * 1000, (0 << ARM_DIV_RATIO_SHIFT), (3 << S5P_CLKDIV0_HCLK_SHIFT)},
- {L1 * 1000, (1 << ARM_DIV_RATIO_SHIFT), (1 << S5P_CLKDIV0_HCLK_SHIFT)},
- {L2 * 1000, (3 << ARM_DIV_RATIO_SHIFT), (0 << S5P_CLKDIV0_HCLK_SHIFT)},
-};
-
-static unsigned long s5p6440_armclk_get_rate(struct clk *clk)
-{
- unsigned long rate = clk_get_rate(clk->parent);
- u32 clkdiv;
-
- /* divisor mask starts at bit0, so no need to shift */
- clkdiv = __raw_readl(ARM_CLK_DIV) & ARM_DIV_MASK;
-
- return rate / (clkdiv + 1);
-}
-
-static unsigned long s5p6440_armclk_round_rate(struct clk *clk,
- unsigned long rate)
-{
- u32 iter;
-
- for (iter = 1 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
- if (rate > clock_table[iter][0])
- return clock_table[iter-1][0];
- }
-
- return clock_table[ARRAY_SIZE(clock_table) - 1][0];
-}
-
-static int s5p6440_armclk_set_rate(struct clk *clk, unsigned long rate)
-{
- u32 round_tmp;
- u32 iter;
- u32 clk_div0_tmp;
- u32 cur_rate = clk->ops->get_rate(clk);
- unsigned long flags;
-
- round_tmp = clk->ops->round_rate(clk, rate);
- if (round_tmp == cur_rate)
- return 0;
-
-
- for (iter = 0 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
- if (round_tmp == clock_table[iter][0])
- break;
- }
-
- if (iter >= ARRAY_SIZE(clock_table))
- iter = ARRAY_SIZE(clock_table) - 1;
-
- local_irq_save(flags);
- if (cur_rate > round_tmp) {
- /* Frequency Down */
- clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
- clk_div0_tmp |= clock_table[iter][1];
- __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
-
- clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
- ~(S5P_CLKDIV0_HCLK_MASK);
- clk_div0_tmp |= clock_table[iter][2];
- __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
-
-
- } else {
- /* Frequency Up */
- clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
- ~(S5P_CLKDIV0_HCLK_MASK);
- clk_div0_tmp |= clock_table[iter][2];
- __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
-
- clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
- clk_div0_tmp |= clock_table[iter][1];
- __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
- }
- local_irq_restore(flags);
-
- clk->rate = clock_table[iter][0];
-
- return 0;
-}
-
-static struct clk_ops s5p6440_clkarm_ops = {
- .get_rate = s5p6440_armclk_get_rate,
- .set_rate = s5p6440_armclk_set_rate,
- .round_rate = s5p6440_armclk_round_rate,
-};
-
-static struct clksrc_clk clk_armclk = {
- .clk = {
- .name = "armclk",
- .id = 1,
- .parent = &clk_mout_apll.clk,
- .ops = &s5p6440_clkarm_ops,
- },
- .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 4 },
-};
-
-static struct clksrc_clk clk_dout_mpll = {
- .clk = {
- .name = "dout_mpll",
- .id = -1,
- .parent = &clk_mout_mpll.clk,
- },
- .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 1 },
-};
-
-static struct clksrc_clk clk_hclk = {
- .clk = {
- .name = "clk_hclk",
- .id = -1,
- .parent = &clk_armclk.clk,
- },
- .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 4 },
-};
-
-static struct clksrc_clk clk_pclk = {
- .clk = {
- .name = "clk_pclk",
- .id = -1,
- .parent = &clk_hclk.clk,
- },
- .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 4 },
-};
-
-static struct clk *clkset_hclklow_list[] = {
- &clk_mout_apll.clk,
- &clk_mout_mpll.clk,
-};
-
-static struct clksrc_sources clkset_hclklow = {
- .sources = clkset_hclklow_list,
- .nr_sources = ARRAY_SIZE(clkset_hclklow_list),
-};
-
-static struct clksrc_clk clk_hclk_low = {
- .clk = {
- .name = "hclk_low",
- .id = -1,
- },
- .sources = &clkset_hclklow,
- .reg_src = { .reg = S5P_SYS_OTHERS, .shift = 6, .size = 1 },
- .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
-};
-
-static struct clksrc_clk clk_pclk_low = {
- .clk = {
- .name = "pclk_low",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- },
- .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 },
-};
-
-int s5p6440_clk48m_ctrl(struct clk *clk, int enable)
-{
- unsigned long flags;
- u32 val;
-
- /* can't rely on clock lock, this register has other usages */
- local_irq_save(flags);
-
- val = __raw_readl(S5P_OTHERS);
- if (enable)
- val |= S5P_OTHERS_USB_SIG_MASK;
- else
- val &= ~S5P_OTHERS_USB_SIG_MASK;
-
- __raw_writel(val, S5P_OTHERS);
-
- local_irq_restore(flags);
-
- return 0;
-}
-
-static int s5p6440_pclk_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_PCLK, clk, enable);
-}
-
-static int s5p6440_hclk0_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_HCLK0, clk, enable);
-}
-
-static int s5p6440_hclk1_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_HCLK1, clk, enable);
-}
-
-static int s5p6440_sclk_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_SCLK0, clk, enable);
-}
-
-static int s5p6440_sclk1_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_SCLK1, clk, enable);
-}
-
-static int s5p6440_mem_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLK_GATE_MEM0, 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_disable[] = {
- {
- .name = "nand",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_mem_ctrl,
- .ctrlbit = S5P_CLKCON_MEM0_HCLK_NFCON,
- }, {
- .name = "adc",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_TSADC,
- }, {
- .name = "i2c",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_IIC0,
- }, {
- .name = "i2s_v40",
- .id = 0,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_IIS2,
- }, {
- .name = "spi",
- .id = 0,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_SPI0,
- }, {
- .name = "spi",
- .id = 1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_SPI1,
- }, {
- .name = "sclk_spi_48",
- .id = 0,
- .parent = &clk_48m,
- .enable = s5p6440_sclk_ctrl,
- .ctrlbit = S5P_CLKCON_SCLK0_SPI0_48,
- }, {
- .name = "sclk_spi_48",
- .id = 1,
- .parent = &clk_48m,
- .enable = s5p6440_sclk_ctrl,
- .ctrlbit = S5P_CLKCON_SCLK0_SPI1_48,
- }, {
- .name = "mmc_48m",
- .id = 0,
- .parent = &clk_48m,
- .enable = s5p6440_sclk_ctrl,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC0_48,
- }, {
- .name = "mmc_48m",
- .id = 1,
- .parent = &clk_48m,
- .enable = s5p6440_sclk_ctrl,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC1_48,
- }, {
- .name = "mmc_48m",
- .id = 2,
- .parent = &clk_48m,
- .enable = s5p6440_sclk_ctrl,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC2_48,
- }, {
- .name = "otg",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK0_USB
- }, {
- .name = "post",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK0_POST0
- }, {
- .name = "lcd",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk1_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK1_DISPCON,
- }, {
- .name = "hsmmc",
- .id = 0,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK0_HSMMC0,
- }, {
- .name = "hsmmc",
- .id = 1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK0_HSMMC1,
- }, {
- .name = "hsmmc",
- .id = 2,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = S5P_CLKCON_HCLK0_HSMMC2,
- }, {
- .name = "rtc",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_RTC,
- }, {
- .name = "watchdog",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_WDT,
- }, {
- .name = "timers",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_PWM,
- }, {
- .name = "hclk_fimgvg",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_hclk1_ctrl,
- .ctrlbit = (1 << 2),
- }, {
- .name = "tsi",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk1_ctrl,
- .ctrlbit = (1 << 0),
- }, {
- .name = "pclk_fimgvg",
- .id = -1,
- .parent = &clk_pclk.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 31),
- }, {
- .name = "dmc0",
- .id = -1,
- .parent = &clk_pclk.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 30),
- }, {
- .name = "etm",
- .id = -1,
- .parent = &clk_pclk.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 29),
- }, {
- .name = "dsim",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 28),
- }, {
- .name = "gps",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 25),
- }, {
- .name = "pcm",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = (1 << 8),
- }, {
- .name = "irom",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = (1 << 25),
- }, {
- .name = "dma",
- .id = -1,
- .parent = &clk_hclk_low.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = (1 << 12),
- }, {
- .name = "2d",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = (1 << 8),
- },
-};
-
-/*
- * The following clocks will be enabled during clock initialization.
- */
-static struct clk init_clocks[] = {
- {
- .name = "gpio",
- .id = -1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_GPIO,
- }, {
- .name = "uart",
- .id = 0,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_UART0,
- }, {
- .name = "uart",
- .id = 1,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_UART1,
- }, {
- .name = "uart",
- .id = 2,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_UART2,
- }, {
- .name = "uart",
- .id = 3,
- .parent = &clk_pclk_low.clk,
- .enable = s5p6440_pclk_ctrl,
- .ctrlbit = S5P_CLKCON_PCLK_UART3,
- }, {
- .name = "mem",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = (1 << 21),
- }, {
- .name = "intc",
- .id = -1,
- .parent = &clk_hclk.clk,
- .enable = s5p6440_hclk0_ctrl,
- .ctrlbit = (1 << 1),
- },
-};
-
-static struct clk clk_iis_cd_v40 = {
- .name = "iis_cdclk_v40",
- .id = -1,
-};
-
-static struct clk clk_pcm_cd = {
- .name = "pcm_cdclk",
- .id = -1,
-};
-
-static struct clk *clkset_group1_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll.clk,
- &clk_fin_epll,
-};
-
-static struct clksrc_sources clkset_group1 = {
- .sources = clkset_group1_list,
- .nr_sources = ARRAY_SIZE(clkset_group1_list),
-};
-
-static struct clk *clkset_uart_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll.clk,
-};
-
-static struct clksrc_sources clkset_uart = {
- .sources = clkset_uart_list,
- .nr_sources = ARRAY_SIZE(clkset_uart_list),
-};
-
-static struct clk *clkset_audio_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll.clk,
- &clk_fin_epll,
- &clk_iis_cd_v40,
- &clk_pcm_cd,
-};
-
-static struct clksrc_sources clkset_audio = {
- .sources = clkset_audio_list,
- .nr_sources = ARRAY_SIZE(clkset_audio_list),
-};
-
-static struct clksrc_clk clksrcs[] = {
- {
- .clk = {
- .name = "mmc_bus",
- .id = 0,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC0,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 18, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "mmc_bus",
- .id = 1,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC1,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 4 },
- }, {
- .clk = {
- .name = "mmc_bus",
- .id = 2,
- .ctrlbit = S5P_CLKCON_SCLK0_MMC2,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 22, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 4 },
- }, {
- .clk = {
- .name = "uclk1",
- .id = -1,
- .ctrlbit = S5P_CLKCON_SCLK0_UART,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_uart,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 13, .size = 1 },
- .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 },
- }, {
- .clk = {
- .name = "spi_epll",
- .id = 0,
- .ctrlbit = S5P_CLKCON_SCLK0_SPI0,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 14, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "spi_epll",
- .id = 1,
- .ctrlbit = S5P_CLKCON_SCLK0_SPI1,
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_post",
- .id = -1,
- .ctrlbit = (1 << 10),
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC0, .shift = 26, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_dispcon",
- .id = -1,
- .ctrlbit = (1 << 1),
- .enable = s5p6440_sclk1_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_fimgvg",
- .id = -1,
- .ctrlbit = (1 << 2),
- .enable = s5p6440_sclk1_ctrl,
- },
- .sources = &clkset_group1,
- .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 },
- .reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_audio2",
- .id = -1,
- .ctrlbit = (1 << 11),
- .enable = s5p6440_sclk_ctrl,
- },
- .sources = &clkset_audio,
- .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 3 },
- .reg_div = { .reg = S5P_CLK_DIV2, .shift = 24, .size = 4 },
- },
-};
-
-/* Clock initialisation code */
-static struct clksrc_clk *sysclks[] = {
- &clk_mout_apll,
- &clk_mout_epll,
- &clk_mout_mpll,
- &clk_dout_mpll,
- &clk_armclk,
- &clk_hclk,
- &clk_pclk,
- &clk_hclk_low,
- &clk_pclk_low,
-};
-
-void __init_or_cpufreq s5p6440_setup_clocks(void)
-{
- struct clk *xtal_clk;
- unsigned long xtal;
- unsigned long fclk;
- unsigned long hclk;
- unsigned long hclk_low;
- unsigned long pclk;
- unsigned long pclk_low;
- unsigned long epll;
- unsigned long apll;
- unsigned long mpll;
- unsigned int ptr;
-
- /* Set S5P6440 functions for clk_fout_epll */
- clk_fout_epll.enable = s5p6440_epll_enable;
- clk_fout_epll.ops = &s5p6440_epll_ops;
-
- clk_48m.enable = s5p6440_clk48m_ctrl;
-
- xtal_clk = clk_get(NULL, "ext_xtal");
- BUG_ON(IS_ERR(xtal_clk));
-
- xtal = clk_get_rate(xtal_clk);
- clk_put(xtal_clk);
-
- epll = s5p_get_pll90xx(xtal, __raw_readl(S5P_EPLL_CON),
- __raw_readl(S5P_EPLL_CON_K));
- mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
- apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4502);
-
- clk_fout_mpll.rate = mpll;
- clk_fout_epll.rate = epll;
- clk_fout_apll.rate = apll;
-
- printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
- " E=%ld.%ldMHz\n",
- print_mhz(apll), print_mhz(mpll), print_mhz(epll));
-
- fclk = clk_get_rate(&clk_armclk.clk);
- hclk = clk_get_rate(&clk_hclk.clk);
- pclk = clk_get_rate(&clk_pclk.clk);
- hclk_low = clk_get_rate(&clk_hclk_low.clk);
- pclk_low = clk_get_rate(&clk_pclk_low.clk);
-
- printk(KERN_INFO "S5P6440: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
- " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
- print_mhz(hclk), print_mhz(hclk_low),
- print_mhz(pclk), print_mhz(pclk_low));
-
- clk_f.rate = fclk;
- clk_h.rate = hclk;
- clk_p.rate = pclk;
-
- for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
- s3c_set_clksrc(&clksrcs[ptr], true);
-}
-
-static struct clk *clks[] __initdata = {
- &clk_ext,
- &clk_iis_cd_v40,
- &clk_pcm_cd,
-};
-
-void __init s5p6440_register_clocks(void)
-{
- struct clk *clkp;
- int ret;
- int ptr;
-
- ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
- if (ret > 0)
- printk(KERN_ERR "Failed to register %u clocks\n", ret);
-
- 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));
-
- clkp = init_clocks_disable;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
-
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
- (clkp->enable)(clkp, 0);
- }
-
- s3c_pwmclk_init();
-}
+++ /dev/null
-/* linux/arch/arm/mach-s5p6440/include/mach/regs-clock.h
- *
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
- *
- * S5P6440 - Clock register definitions
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_REGS_CLOCK_H
-#define __ASM_ARCH_REGS_CLOCK_H __FILE__
-
-#include <mach/map.h>
-
-#define S5P_CLKREG(x) (S3C_VA_SYS + (x))
-
-#define S5P_APLL_LOCK S5P_CLKREG(0x00)
-#define S5P_MPLL_LOCK S5P_CLKREG(0x04)
-#define S5P_EPLL_LOCK S5P_CLKREG(0x08)
-#define S5P_APLL_CON S5P_CLKREG(0x0C)
-#define S5P_MPLL_CON S5P_CLKREG(0x10)
-#define S5P_EPLL_CON S5P_CLKREG(0x14)
-#define S5P_EPLL_CON_K S5P_CLKREG(0x18)
-#define S5P_CLK_SRC0 S5P_CLKREG(0x1C)
-#define S5P_CLK_DIV0 S5P_CLKREG(0x20)
-#define S5P_CLK_DIV1 S5P_CLKREG(0x24)
-#define S5P_CLK_DIV2 S5P_CLKREG(0x28)
-#define S5P_CLK_OUT S5P_CLKREG(0x2C)
-#define S5P_CLK_GATE_HCLK0 S5P_CLKREG(0x30)
-#define S5P_CLK_GATE_PCLK S5P_CLKREG(0x34)
-#define S5P_CLK_GATE_SCLK0 S5P_CLKREG(0x38)
-#define S5P_CLK_GATE_MEM0 S5P_CLKREG(0x3C)
-#define S5P_CLK_DIV3 S5P_CLKREG(0x40)
-#define S5P_CLK_GATE_HCLK1 S5P_CLKREG(0x44)
-#define S5P_CLK_GATE_SCLK1 S5P_CLKREG(0x48)
-#define S5P_AHB_CON0 S5P_CLKREG(0x100)
-#define S5P_CLK_SRC1 S5P_CLKREG(0x10C)
-#define S5P_SWRESET S5P_CLKREG(0x114)
-#define S5P_SYS_ID S5P_CLKREG(0x118)
-#define S5P_SYS_OTHERS S5P_CLKREG(0x11C)
-#define S5P_MEM_CFG_STAT S5P_CLKREG(0x12C)
-#define S5P_PWR_CFG S5P_CLKREG(0x804)
-#define S5P_EINT_WAKEUP_MASK S5P_CLKREG(0x808)
-#define S5P_NORMAL_CFG S5P_CLKREG(0x810)
-#define S5P_STOP_CFG S5P_CLKREG(0x814)
-#define S5P_SLEEP_CFG S5P_CLKREG(0x818)
-#define S5P_OSC_FREQ S5P_CLKREG(0x820)
-#define S5P_OSC_STABLE S5P_CLKREG(0x824)
-#define S5P_PWR_STABLE S5P_CLKREG(0x828)
-#define S5P_MTC_STABLE S5P_CLKREG(0x830)
-#define S5P_OTHERS S5P_CLKREG(0x900)
-#define S5P_RST_STAT S5P_CLKREG(0x904)
-#define S5P_WAKEUP_STAT S5P_CLKREG(0x908)
-#define S5P_SLPEN S5P_CLKREG(0x930)
-#define S5P_INFORM0 S5P_CLKREG(0xA00)
-#define S5P_INFORM1 S5P_CLKREG(0xA04)
-#define S5P_INFORM2 S5P_CLKREG(0xA08)
-#define S5P_INFORM3 S5P_CLKREG(0xA0C)
-
-/* CLKDIV0 */
-#define S5P_CLKDIV0_PCLK_MASK (0xf << 12)
-#define S5P_CLKDIV0_PCLK_SHIFT (12)
-#define S5P_CLKDIV0_HCLK_MASK (0xf << 8)
-#define S5P_CLKDIV0_HCLK_SHIFT (8)
-#define S5P_CLKDIV0_MPLL_MASK (0x1 << 4)
-#define S5P_CLKDIV0_ARM_MASK (0xf << 0)
-#define S5P_CLKDIV0_ARM_SHIFT (0)
-
-/* CLKDIV3 */
-#define S5P_CLKDIV3_PCLK_LOW_MASK (0xf << 12)
-#define S5P_CLKDIV3_PCLK_LOW_SHIFT (12)
-#define S5P_CLKDIV3_HCLK_LOW_MASK (0xf << 8)
-#define S5P_CLKDIV3_HCLK_LOW_SHIFT (8)
-
-/* HCLK0 GATE Registers */
-#define S5P_CLKCON_HCLK0_USB (1<<20)
-#define S5P_CLKCON_HCLK0_HSMMC2 (1<<19)
-#define S5P_CLKCON_HCLK0_HSMMC1 (1<<18)
-#define S5P_CLKCON_HCLK0_HSMMC0 (1<<17)
-#define S5P_CLKCON_HCLK0_POST0 (1<<5)
-
-/* HCLK1 GATE Registers */
-#define S5P_CLKCON_HCLK1_DISPCON (1<<1)
-
-/* PCLK GATE Registers */
-#define S5P_CLKCON_PCLK_IIS2 (1<<26)
-#define S5P_CLKCON_PCLK_SPI1 (1<<22)
-#define S5P_CLKCON_PCLK_SPI0 (1<<21)
-#define S5P_CLKCON_PCLK_GPIO (1<<18)
-#define S5P_CLKCON_PCLK_IIC0 (1<<17)
-#define S5P_CLKCON_PCLK_TSADC (1<<12)
-#define S5P_CLKCON_PCLK_PWM (1<<7)
-#define S5P_CLKCON_PCLK_RTC (1<<6)
-#define S5P_CLKCON_PCLK_WDT (1<<5)
-#define S5P_CLKCON_PCLK_UART3 (1<<4)
-#define S5P_CLKCON_PCLK_UART2 (1<<3)
-#define S5P_CLKCON_PCLK_UART1 (1<<2)
-#define S5P_CLKCON_PCLK_UART0 (1<<1)
-
-/* SCLK0 GATE Registers */
-#define S5P_CLKCON_SCLK0_MMC2_48 (1<<29)
-#define S5P_CLKCON_SCLK0_MMC1_48 (1<<28)
-#define S5P_CLKCON_SCLK0_MMC0_48 (1<<27)
-#define S5P_CLKCON_SCLK0_MMC2 (1<<26)
-#define S5P_CLKCON_SCLK0_MMC1 (1<<25)
-#define S5P_CLKCON_SCLK0_MMC0 (1<<24)
-#define S5P_CLKCON_SCLK0_SPI1_48 (1<<23)
-#define S5P_CLKCON_SCLK0_SPI0_48 (1<<22)
-#define S5P_CLKCON_SCLK0_SPI1 (1<<21)
-#define S5P_CLKCON_SCLK0_SPI0 (1<<20)
-#define S5P_CLKCON_SCLK0_UART (1<<5)
-
-/* SCLK1 GATE Registers */
-
-/* MEM0 GATE Registers */
-#define S5P_CLKCON_MEM0_HCLK_NFCON (1<<2)
-
-/*OTHERS Resgister */
-#define S5P_OTHERS_USB_SIG_MASK (1<<16)
-#define S5P_OTHERS_HCLK_LOW_SEL_MPLL (1<<6)
-
-/* Compatibility defines */
-#define ARM_CLK_DIV S5P_CLK_DIV0
-#define ARM_DIV_RATIO_SHIFT 0
-#define ARM_DIV_MASK (0xf << ARM_DIV_RATIO_SHIFT)
-
-#endif /* __ASM_ARCH_REGS_CLOCK_H */
--- /dev/null
+/* linux/arch/arm/mach-s5p64x0/clock-s5p6440.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5P6440 - 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/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+#include <mach/s5p64x0-clock.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/s5p6440.h>
+
+static u32 epll_div[][5] = {
+ { 36000000, 0, 48, 1, 4 },
+ { 48000000, 0, 32, 1, 3 },
+ { 60000000, 0, 40, 1, 3 },
+ { 72000000, 0, 48, 1, 3 },
+ { 84000000, 0, 28, 1, 2 },
+ { 96000000, 0, 32, 1, 2 },
+ { 32768000, 45264, 43, 1, 4 },
+ { 45158000, 6903, 30, 1, 3 },
+ { 49152000, 50332, 32, 1, 3 },
+ { 67738000, 10398, 45, 1, 3 },
+ { 73728000, 9961, 49, 1, 3 }
+};
+
+static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int epll_con, epll_con_k;
+ unsigned int i;
+
+ if (clk->rate == rate) /* Return if nothing changed */
+ return 0;
+
+ epll_con = __raw_readl(S5P64X0_EPLL_CON);
+ epll_con_k = __raw_readl(S5P64X0_EPLL_CON_K);
+
+ epll_con_k &= ~(PLL90XX_KDIV_MASK);
+ epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
+
+ for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
+ if (epll_div[i][0] == rate) {
+ epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
+ epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
+ (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
+ (epll_div[i][4] << PLL90XX_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, S5P64X0_EPLL_CON);
+ __raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
+
+ clk->rate = rate;
+
+ return 0;
+}
+
+static struct clk_ops s5p6440_epll_ops = {
+ .get_rate = s5p64x0_epll_get_rate,
+ .set_rate = s5p6440_epll_set_rate,
+};
+
+static struct clksrc_clk clk_hclk = {
+ .clk = {
+ .name = "clk_hclk",
+ .id = -1,
+ .parent = &clk_armclk.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clk_pclk = {
+ .clk = {
+ .name = "clk_pclk",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 12, .size = 4 },
+};
+static struct clksrc_clk clk_hclk_low = {
+ .clk = {
+ .name = "clk_hclk_low",
+ .id = -1,
+ },
+ .sources = &clkset_hclk_low,
+ .reg_src = { .reg = S5P64X0_SYS_OTHERS, .shift = 6, .size = 1 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clk_pclk_low = {
+ .clk = {
+ .name = "clk_pclk_low",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 12, .size = 4 },
+};
+
+/*
+ * 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_disable[] = {
+ {
+ .name = "nand",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_mem_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "post",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 5)
+ }, {
+ .name = "2d",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 8),
+ }, {
+ .name = "hsmmc",
+ .id = 0,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 17),
+ }, {
+ .name = "hsmmc",
+ .id = 1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 18),
+ }, {
+ .name = "hsmmc",
+ .id = 2,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 19),
+ }, {
+ .name = "otg",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 20)
+ }, {
+ .name = "irom",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 25),
+ }, {
+ .name = "lcd",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk1_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "hclk_fimgvg",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk1_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "tsi",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk1_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 5),
+ }, {
+ .name = "rtc",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 6),
+ }, {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 7),
+ }, {
+ .name = "pcm",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 8),
+ }, {
+ .name = "adc",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "i2c",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 17),
+ }, {
+ .name = "spi",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 21),
+ }, {
+ .name = "spi",
+ .id = 1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 22),
+ }, {
+ .name = "gps",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 25),
+ }, {
+ .name = "i2s_v40",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 26),
+ }, {
+ .name = "dsim",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 28),
+ }, {
+ .name = "etm",
+ .id = -1,
+ .parent = &clk_pclk.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 29),
+ }, {
+ .name = "dmc0",
+ .id = -1,
+ .parent = &clk_pclk.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 30),
+ }, {
+ .name = "pclk_fimgvg",
+ .id = -1,
+ .parent = &clk_pclk.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 31),
+ }, {
+ .name = "sclk_spi_48",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 22),
+ }, {
+ .name = "sclk_spi_48",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 23),
+ }, {
+ .name = "mmc_48m",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 27),
+ }, {
+ .name = "mmc_48m",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 28),
+ }, {
+ .name = "mmc_48m",
+ .id = 2,
+ .parent = &clk_48m,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 29),
+ },
+};
+
+/*
+ * The following clocks will be enabled during clock initialization.
+ */
+static struct clk init_clocks[] = {
+ {
+ .name = "intc",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "mem",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 21),
+ }, {
+ .name = "dma",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "uart",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "uart",
+ .id = 1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "uart",
+ .id = 2,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "uart",
+ .id = 3,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 4),
+ }, {
+ .name = "gpio",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 18),
+ },
+};
+
+static struct clk clk_iis_cd_v40 = {
+ .name = "iis_cdclk_v40",
+ .id = -1,
+};
+
+static struct clk clk_pcm_cd = {
+ .name = "pcm_cdclk",
+ .id = -1,
+};
+
+static struct clk *clkset_group1_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll.clk,
+ &clk_fin_epll,
+};
+
+static struct clksrc_sources clkset_group1 = {
+ .sources = clkset_group1_list,
+ .nr_sources = ARRAY_SIZE(clkset_group1_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll.clk,
+};
+
+static struct clksrc_sources clkset_uart = {
+ .sources = clkset_uart_list,
+ .nr_sources = ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clk *clkset_audio_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll.clk,
+ &clk_fin_epll,
+ &clk_iis_cd_v40,
+ &clk_pcm_cd,
+};
+
+static struct clksrc_sources clkset_audio = {
+ .sources = clkset_audio_list,
+ .nr_sources = ARRAY_SIZE(clkset_audio_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+ {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 0,
+ .ctrlbit = (1 << 24),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 1,
+ .ctrlbit = (1 << 25),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 2,
+ .ctrlbit = (1 << 26),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = -1,
+ .ctrlbit = (1 << 5),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_uart,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 13, .size = 1 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 0,
+ .ctrlbit = (1 << 20),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 1,
+ .ctrlbit = (1 << 21),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_post",
+ .id = -1,
+ .ctrlbit = (1 << 10),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_dispcon",
+ .id = -1,
+ .ctrlbit = (1 << 1),
+ .enable = s5p64x0_sclk1_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimgvg",
+ .id = -1,
+ .ctrlbit = (1 << 2),
+ .enable = s5p64x0_sclk1_ctrl,
+ },
+ .sources = &clkset_group1,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_audio2",
+ .id = -1,
+ .ctrlbit = (1 << 11),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_audio,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 0, .size = 3 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 24, .size = 4 },
+ },
+};
+
+/* Clock initialization code */
+static struct clksrc_clk *sysclks[] = {
+ &clk_mout_apll,
+ &clk_mout_epll,
+ &clk_mout_mpll,
+ &clk_dout_mpll,
+ &clk_armclk,
+ &clk_hclk,
+ &clk_pclk,
+ &clk_hclk_low,
+ &clk_pclk_low,
+};
+
+void __init_or_cpufreq s5p6440_setup_clocks(void)
+{
+ struct clk *xtal_clk;
+
+ unsigned long xtal;
+ unsigned long fclk;
+ unsigned long hclk;
+ unsigned long hclk_low;
+ unsigned long pclk;
+ unsigned long pclk_low;
+
+ unsigned long apll;
+ unsigned long mpll;
+ unsigned long epll;
+ unsigned int ptr;
+
+ /* Set S5P6440 functions for clk_fout_epll */
+
+ clk_fout_epll.enable = s5p64x0_epll_enable;
+ clk_fout_epll.ops = &s5p6440_epll_ops;
+
+ clk_48m.enable = s5p64x0_clk48m_ctrl;
+
+ xtal_clk = clk_get(NULL, "ext_xtal");
+ BUG_ON(IS_ERR(xtal_clk));
+
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
+
+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_APLL_CON), pll_4502);
+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_MPLL_CON), pll_4502);
+ epll = s5p_get_pll90xx(xtal, __raw_readl(S5P64X0_EPLL_CON),
+ __raw_readl(S5P64X0_EPLL_CON_K));
+
+ clk_fout_apll.rate = apll;
+ clk_fout_mpll.rate = mpll;
+ clk_fout_epll.rate = epll;
+
+ printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
+ " E=%ld.%ldMHz\n",
+ print_mhz(apll), print_mhz(mpll), print_mhz(epll));
+
+ fclk = clk_get_rate(&clk_armclk.clk);
+ hclk = clk_get_rate(&clk_hclk.clk);
+ pclk = clk_get_rate(&clk_pclk.clk);
+ hclk_low = clk_get_rate(&clk_hclk_low.clk);
+ pclk_low = clk_get_rate(&clk_pclk_low.clk);
+
+ printk(KERN_INFO "S5P6440: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
+ " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
+ print_mhz(hclk), print_mhz(hclk_low),
+ print_mhz(pclk), print_mhz(pclk_low));
+
+ clk_f.rate = fclk;
+ clk_h.rate = hclk;
+ clk_p.rate = pclk;
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+ &clk_ext,
+ &clk_iis_cd_v40,
+ &clk_pcm_cd,
+};
+
+void __init s5p6440_register_clocks(void)
+{
+ struct clk *clkp;
+ int ret;
+ 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));
+
+ clkp = init_clocks_disable;
+ for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+ (clkp->enable)(clkp, 0);
+ }
+
+ s3c_pwmclk_init();
+}
--- /dev/null
+/* linux/arch/arm/mach-s5p64x0/clock-s5p6450.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5P6450 - 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/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+#include <mach/s5p64x0-clock.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/s5p6450.h>
+
+static struct clksrc_clk clk_mout_dpll = {
+ .clk = {
+ .name = "mout_dpll",
+ .id = -1,
+ },
+ .sources = &clk_src_dpll,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 5, .size = 1 },
+};
+
+static u32 epll_div[][5] = {
+ { 133000000, 27307, 55, 2, 2 },
+ { 100000000, 43691, 41, 2, 2 },
+ { 480000000, 0, 80, 2, 0 },
+};
+
+static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int epll_con, epll_con_k;
+ unsigned int i;
+
+ if (clk->rate == rate) /* Return if nothing changed */
+ return 0;
+
+ epll_con = __raw_readl(S5P64X0_EPLL_CON);
+ epll_con_k = __raw_readl(S5P64X0_EPLL_CON_K);
+
+ epll_con_k &= ~(PLL90XX_KDIV_MASK);
+ epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
+
+ for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
+ if (epll_div[i][0] == rate) {
+ epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
+ epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
+ (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
+ (epll_div[i][4] << PLL90XX_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, S5P64X0_EPLL_CON);
+ __raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
+
+ clk->rate = rate;
+
+ return 0;
+}
+
+static struct clk_ops s5p6450_epll_ops = {
+ .get_rate = s5p64x0_epll_get_rate,
+ .set_rate = s5p6450_epll_set_rate,
+};
+
+static struct clksrc_clk clk_dout_epll = {
+ .clk = {
+ .name = "dout_epll",
+ .id = -1,
+ .parent = &clk_mout_epll.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 24, .size = 4 },
+};
+
+static struct clksrc_clk clk_mout_hclk_sel = {
+ .clk = {
+ .name = "mout_hclk_sel",
+ .id = -1,
+ },
+ .sources = &clkset_hclk_low,
+ .reg_src = { .reg = S5P64X0_OTHERS, .shift = 15, .size = 1 },
+};
+
+static struct clk *clkset_hclk_list[] = {
+ &clk_mout_hclk_sel.clk,
+ &clk_armclk.clk,
+};
+
+static struct clksrc_sources clkset_hclk = {
+ .sources = clkset_hclk_list,
+ .nr_sources = ARRAY_SIZE(clkset_hclk_list),
+};
+
+static struct clksrc_clk clk_hclk = {
+ .clk = {
+ .name = "clk_hclk",
+ .id = -1,
+ },
+ .sources = &clkset_hclk,
+ .reg_src = { .reg = S5P64X0_OTHERS, .shift = 14, .size = 1 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clk_pclk = {
+ .clk = {
+ .name = "clk_pclk",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 12, .size = 4 },
+};
+static struct clksrc_clk clk_dout_pwm_ratio0 = {
+ .clk = {
+ .name = "clk_dout_pwm_ratio0",
+ .id = -1,
+ .parent = &clk_mout_hclk_sel.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 16, .size = 4 },
+};
+
+static struct clksrc_clk clk_pclk_to_wdt_pwm = {
+ .clk = {
+ .name = "clk_pclk_to_wdt_pwm",
+ .id = -1,
+ .parent = &clk_dout_pwm_ratio0.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 20, .size = 4 },
+};
+
+static struct clksrc_clk clk_hclk_low = {
+ .clk = {
+ .name = "clk_hclk_low",
+ .id = -1,
+ },
+ .sources = &clkset_hclk_low,
+ .reg_src = { .reg = S5P64X0_OTHERS, .shift = 6, .size = 1 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clk_pclk_low = {
+ .clk = {
+ .name = "clk_pclk_low",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 12, .size = 4 },
+};
+
+/*
+ * 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_disable[] = {
+ {
+ .name = "usbhost",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "hsmmc",
+ .id = 0,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 17),
+ }, {
+ .name = "hsmmc",
+ .id = 1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 18),
+ }, {
+ .name = "hsmmc",
+ .id = 2,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 19),
+ }, {
+ .name = "usbotg",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 20),
+ }, {
+ .name = "lcd",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5p64x0_hclk1_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 5),
+ }, {
+ .name = "adc",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "i2c",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 17),
+ }, {
+ .name = "spi",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 21),
+ }, {
+ .name = "spi",
+ .id = 1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 22),
+ }, {
+ .name = "iis",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 26),
+ }, {
+ .name = "i2c",
+ .id = 1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 27),
+ }, {
+ .name = "dmc0",
+ .id = -1,
+ .parent = &clk_pclk.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 30),
+ }
+};
+
+/*
+ * The following clocks will be enabled during clock initialization.
+ */
+static struct clk init_clocks[] = {
+ {
+ .name = "intc",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "mem",
+ .id = -1,
+ .parent = &clk_hclk.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 21),
+ }, {
+ .name = "dma",
+ .id = -1,
+ .parent = &clk_hclk_low.clk,
+ .enable = s5p64x0_hclk0_ctrl,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "uart",
+ .id = 0,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "uart",
+ .id = 1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "uart",
+ .id = 2,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "uart",
+ .id = 3,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 4),
+ }, {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_pclk_to_wdt_pwm.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 7),
+ }, {
+ .name = "gpio",
+ .id = -1,
+ .parent = &clk_pclk_low.clk,
+ .enable = s5p64x0_pclk_ctrl,
+ .ctrlbit = (1 << 18),
+ },
+};
+
+static struct clk *clkset_uart_list[] = {
+ &clk_dout_epll.clk,
+ &clk_dout_mpll.clk,
+};
+
+static struct clksrc_sources clkset_uart = {
+ .sources = clkset_uart_list,
+ .nr_sources = ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clk *clkset_mali_list[] = {
+ &clk_mout_epll.clk,
+ &clk_mout_apll.clk,
+ &clk_mout_mpll.clk,
+};
+
+static struct clksrc_sources clkset_mali = {
+ .sources = clkset_mali_list,
+ .nr_sources = ARRAY_SIZE(clkset_mali_list),
+};
+
+static struct clk *clkset_group2_list[] = {
+ &clk_dout_epll.clk,
+ &clk_dout_mpll.clk,
+ &clk_ext_xtal_mux,
+};
+
+static struct clksrc_sources clkset_group2 = {
+ .sources = clkset_group2_list,
+ .nr_sources = ARRAY_SIZE(clkset_group2_list),
+};
+
+static struct clk *clkset_dispcon_list[] = {
+ &clk_dout_epll.clk,
+ &clk_dout_mpll.clk,
+ &clk_ext_xtal_mux,
+ &clk_mout_dpll.clk,
+};
+
+static struct clksrc_sources clkset_dispcon = {
+ .sources = clkset_dispcon_list,
+ .nr_sources = ARRAY_SIZE(clkset_dispcon_list),
+};
+
+static struct clk *clkset_hsmmc44_list[] = {
+ &clk_dout_epll.clk,
+ &clk_dout_mpll.clk,
+ &clk_ext_xtal_mux,
+ &s5p_clk_27m,
+ &clk_48m,
+};
+
+static struct clksrc_sources clkset_hsmmc44 = {
+ .sources = clkset_hsmmc44_list,
+ .nr_sources = ARRAY_SIZE(clkset_hsmmc44_list),
+};
+
+static struct clk *clkset_sclk_audio0_list[] = {
+ [0] = &clk_dout_epll.clk,
+ [1] = &clk_dout_mpll.clk,
+ [2] = &clk_ext_xtal_mux,
+ [3] = NULL,
+ [4] = NULL,
+};
+
+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 = "audio-bus",
+ .id = -1,
+ .enable = s5p64x0_sclk_ctrl,
+ .ctrlbit = (1 << 8),
+ .parent = &clk_dout_epll.clk,
+ },
+ .sources = &clkset_sclk_audio0,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 10, .size = 3 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clksrcs[] = {
+ {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 0,
+ .ctrlbit = (1 << 24),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 1,
+ .ctrlbit = (1 << 25),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 2,
+ .ctrlbit = (1 << 26),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = -1,
+ .ctrlbit = (1 << 5),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_uart,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 13, .size = 1 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 0,
+ .ctrlbit = (1 << 20),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 1,
+ .ctrlbit = (1 << 21),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimc",
+ .id = -1,
+ .ctrlbit = (1 << 10),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 },
+ }, {
+ .clk = {
+ .name = "aclk_mali",
+ .id = -1,
+ .ctrlbit = (1 << 2),
+ .enable = s5p64x0_sclk1_ctrl,
+ },
+ .sources = &clkset_mali,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_2d",
+ .id = -1,
+ .ctrlbit = (1 << 12),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_mali,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 30, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 20, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_usi",
+ .id = -1,
+ .ctrlbit = (1 << 7),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 10, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_camif",
+ .id = -1,
+ .ctrlbit = (1 << 6),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_group2,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 28, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 20, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_dispcon",
+ .id = -1,
+ .ctrlbit = (1 << 1),
+ .enable = s5p64x0_sclk1_ctrl,
+ },
+ .sources = &clkset_dispcon,
+ .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_hsmmc44",
+ .id = -1,
+ .ctrlbit = (1 << 30),
+ .enable = s5p64x0_sclk_ctrl,
+ },
+ .sources = &clkset_hsmmc44,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 6, .size = 3 },
+ .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 28, .size = 4 },
+ },
+};
+
+/* Clock initialization code */
+static struct clksrc_clk *sysclks[] = {
+ &clk_mout_apll,
+ &clk_mout_epll,
+ &clk_dout_epll,
+ &clk_mout_mpll,
+ &clk_dout_mpll,
+ &clk_armclk,
+ &clk_mout_hclk_sel,
+ &clk_dout_pwm_ratio0,
+ &clk_pclk_to_wdt_pwm,
+ &clk_hclk,
+ &clk_pclk,
+ &clk_hclk_low,
+ &clk_pclk_low,
+ &clk_sclk_audio0,
+};
+
+void __init_or_cpufreq s5p6450_setup_clocks(void)
+{
+ struct clk *xtal_clk;
+
+ unsigned long xtal;
+ unsigned long fclk;
+ unsigned long hclk;
+ unsigned long hclk_low;
+ unsigned long pclk;
+ unsigned long pclk_low;
+
+ unsigned long apll;
+ unsigned long mpll;
+ unsigned long epll;
+ unsigned long dpll;
+ unsigned int ptr;
+
+ /* Set S5P6450 functions for clk_fout_epll */
+
+ clk_fout_epll.enable = s5p64x0_epll_enable;
+ clk_fout_epll.ops = &s5p6450_epll_ops;
+
+ clk_48m.enable = s5p64x0_clk48m_ctrl;
+
+ xtal_clk = clk_get(NULL, "ext_xtal");
+ BUG_ON(IS_ERR(xtal_clk));
+
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
+
+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_APLL_CON), pll_4502);
+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_MPLL_CON), pll_4502);
+ epll = s5p_get_pll90xx(xtal, __raw_readl(S5P64X0_EPLL_CON),
+ __raw_readl(S5P64X0_EPLL_CON_K));
+ dpll = s5p_get_pll46xx(xtal, __raw_readl(S5P6450_DPLL_CON),
+ __raw_readl(S5P6450_DPLL_CON_K), pll_4650c);
+
+ clk_fout_apll.rate = apll;
+ clk_fout_mpll.rate = mpll;
+ clk_fout_epll.rate = epll;
+ clk_fout_dpll.rate = dpll;
+
+ printk(KERN_INFO "S5P6450: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
+ " E=%ld.%ldMHz, D=%ld.%ldMHz\n",
+ print_mhz(apll), print_mhz(mpll), print_mhz(epll),
+ print_mhz(dpll));
+
+ fclk = clk_get_rate(&clk_armclk.clk);
+ hclk = clk_get_rate(&clk_hclk.clk);
+ pclk = clk_get_rate(&clk_pclk.clk);
+ hclk_low = clk_get_rate(&clk_hclk_low.clk);
+ pclk_low = clk_get_rate(&clk_pclk_low.clk);
+
+ printk(KERN_INFO "S5P6450: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
+ " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
+ print_mhz(hclk), print_mhz(hclk_low),
+ print_mhz(pclk), print_mhz(pclk_low));
+
+ clk_f.rate = fclk;
+ clk_h.rate = hclk;
+ clk_p.rate = pclk;
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+void __init s5p6450_register_clocks(void)
+{
+ struct clk *clkp;
+ int ret;
+ int ptr;
+
+ 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));
+
+ clkp = init_clocks_disable;
+ for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+ (clkp->enable)(clkp, 0);
+ }
+
+ s3c_pwmclk_init();
+}
--- /dev/null
+/* linux/arch/arm/mach-s5p64x0/clock.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5P64X0 - 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/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <mach/regs-clock.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/s5p6440.h>
+#include <plat/s5p6450.h>
+
+struct clksrc_clk clk_mout_apll = {
+ .clk = {
+ .name = "mout_apll",
+ .id = -1,
+ },
+ .sources = &clk_src_apll,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 0, .size = 1 },
+};
+
+struct clksrc_clk clk_mout_mpll = {
+ .clk = {
+ .name = "mout_mpll",
+ .id = -1,
+ },
+ .sources = &clk_src_mpll,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 1, .size = 1 },
+};
+
+struct clksrc_clk clk_mout_epll = {
+ .clk = {
+ .name = "mout_epll",
+ .id = -1,
+ },
+ .sources = &clk_src_epll,
+ .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 2, .size = 1 },
+};
+
+enum perf_level {
+ L0 = 532*1000,
+ L1 = 266*1000,
+ L2 = 133*1000,
+};
+
+static const u32 clock_table[][3] = {
+ /*{ARM_CLK, DIVarm, DIVhclk}*/
+ {L0 * 1000, (0 << ARM_DIV_RATIO_SHIFT), (3 << S5P64X0_CLKDIV0_HCLK_SHIFT)},
+ {L1 * 1000, (1 << ARM_DIV_RATIO_SHIFT), (1 << S5P64X0_CLKDIV0_HCLK_SHIFT)},
+ {L2 * 1000, (3 << ARM_DIV_RATIO_SHIFT), (0 << S5P64X0_CLKDIV0_HCLK_SHIFT)},
+};
+
+int s5p64x0_epll_enable(struct clk *clk, int enable)
+{
+ unsigned int ctrlbit = clk->ctrlbit;
+ unsigned int epll_con = __raw_readl(S5P64X0_EPLL_CON) & ~ctrlbit;
+
+ if (enable)
+ __raw_writel(epll_con | ctrlbit, S5P64X0_EPLL_CON);
+ else
+ __raw_writel(epll_con, S5P64X0_EPLL_CON);
+
+ return 0;
+}
+
+unsigned long s5p64x0_epll_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+
+unsigned long s5p64x0_armclk_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ u32 clkdiv;
+
+ /* divisor mask starts at bit0, so no need to shift */
+ clkdiv = __raw_readl(ARM_CLK_DIV) & ARM_DIV_MASK;
+
+ return rate / (clkdiv + 1);
+}
+
+unsigned long s5p64x0_armclk_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 iter;
+
+ for (iter = 1 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+ if (rate > clock_table[iter][0])
+ return clock_table[iter-1][0];
+ }
+
+ return clock_table[ARRAY_SIZE(clock_table) - 1][0];
+}
+
+int s5p64x0_armclk_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 round_tmp;
+ u32 iter;
+ u32 clk_div0_tmp;
+ u32 cur_rate = clk->ops->get_rate(clk);
+ unsigned long flags;
+
+ round_tmp = clk->ops->round_rate(clk, rate);
+ if (round_tmp == cur_rate)
+ return 0;
+
+
+ for (iter = 0 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+ if (round_tmp == clock_table[iter][0])
+ break;
+ }
+
+ if (iter >= ARRAY_SIZE(clock_table))
+ iter = ARRAY_SIZE(clock_table) - 1;
+
+ local_irq_save(flags);
+ if (cur_rate > round_tmp) {
+ /* Frequency Down */
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+ clk_div0_tmp |= clock_table[iter][1];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+ ~(S5P64X0_CLKDIV0_HCLK_MASK);
+ clk_div0_tmp |= clock_table[iter][2];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+
+ } else {
+ /* Frequency Up */
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+ ~(S5P64X0_CLKDIV0_HCLK_MASK);
+ clk_div0_tmp |= clock_table[iter][2];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+ clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+ clk_div0_tmp |= clock_table[iter][1];
+ __raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+ }
+ local_irq_restore(flags);
+
+ clk->rate = clock_table[iter][0];
+
+ return 0;
+}
+
+struct clk_ops s5p64x0_clkarm_ops = {
+ .get_rate = s5p64x0_armclk_get_rate,
+ .set_rate = s5p64x0_armclk_set_rate,
+ .round_rate = s5p64x0_armclk_round_rate,
+};
+
+struct clksrc_clk clk_armclk = {
+ .clk = {
+ .name = "armclk",
+ .id = 1,
+ .parent = &clk_mout_apll.clk,
+ .ops = &s5p64x0_clkarm_ops,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 0, .size = 4 },
+};
+
+struct clksrc_clk clk_dout_mpll = {
+ .clk = {
+ .name = "dout_mpll",
+ .id = -1,
+ .parent = &clk_mout_mpll.clk,
+ },
+ .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 4, .size = 1 },
+};
+
+struct clk *clkset_hclk_low_list[] = {
+ &clk_mout_apll.clk,
+ &clk_mout_mpll.clk,
+};
+
+struct clksrc_sources clkset_hclk_low = {
+ .sources = clkset_hclk_low_list,
+ .nr_sources = ARRAY_SIZE(clkset_hclk_low_list),
+};
+
+int s5p64x0_pclk_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_PCLK, clk, enable);
+}
+
+int s5p64x0_hclk0_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_HCLK0, clk, enable);
+}
+
+int s5p64x0_hclk1_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_HCLK1, clk, enable);
+}
+
+int s5p64x0_sclk_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_SCLK0, clk, enable);
+}
+
+int s5p64x0_sclk1_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_SCLK1, clk, enable);
+}
+
+int s5p64x0_mem_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P64X0_CLK_GATE_MEM0, clk, enable);
+}
+
+int s5p64x0_clk48m_ctrl(struct clk *clk, int enable)
+{
+ unsigned long flags;
+ u32 val;
+
+ /* can't rely on clock lock, this register has other usages */
+ local_irq_save(flags);
+
+ val = __raw_readl(S5P64X0_OTHERS);
+ if (enable)
+ val |= S5P64X0_OTHERS_USB_SIG_MASK;
+ else
+ val &= ~S5P64X0_OTHERS_USB_SIG_MASK;
+
+ __raw_writel(val, S5P64X0_OTHERS);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
--- /dev/null
+/* linux/arch/arm/mach-s5p64x0/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5P64X0 - Clock register definitions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_REGS_CLOCK_H
+#define __ASM_ARCH_REGS_CLOCK_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_CLKREG(x) (S3C_VA_SYS + (x))
+
+#define S5P64X0_APLL_CON S5P_CLKREG(0x0C)
+#define S5P64X0_MPLL_CON S5P_CLKREG(0x10)
+#define S5P64X0_EPLL_CON S5P_CLKREG(0x14)
+#define S5P64X0_EPLL_CON_K S5P_CLKREG(0x18)
+
+#define S5P64X0_CLK_SRC0 S5P_CLKREG(0x1C)
+
+#define S5P64X0_CLK_DIV0 S5P_CLKREG(0x20)
+#define S5P64X0_CLK_DIV1 S5P_CLKREG(0x24)
+#define S5P64X0_CLK_DIV2 S5P_CLKREG(0x28)
+
+#define S5P64X0_CLK_GATE_HCLK0 S5P_CLKREG(0x30)
+#define S5P64X0_CLK_GATE_PCLK S5P_CLKREG(0x34)
+#define S5P64X0_CLK_GATE_SCLK0 S5P_CLKREG(0x38)
+#define S5P64X0_CLK_GATE_MEM0 S5P_CLKREG(0x3C)
+
+#define S5P64X0_CLK_DIV3 S5P_CLKREG(0x40)
+
+#define S5P64X0_CLK_GATE_HCLK1 S5P_CLKREG(0x44)
+#define S5P64X0_CLK_GATE_SCLK1 S5P_CLKREG(0x48)
+
+#define S5P6450_DPLL_CON S5P_CLKREG(0x50)
+#define S5P6450_DPLL_CON_K S5P_CLKREG(0x54)
+
+#define S5P64X0_CLK_SRC1 S5P_CLKREG(0x10C)
+
+#define S5P64X0_SYS_ID S5P_CLKREG(0x118)
+#define S5P64X0_SYS_OTHERS S5P_CLKREG(0x11C)
+
+#define S5P64X0_PWR_CFG S5P_CLKREG(0x804)
+#define S5P64X0_OTHERS S5P_CLKREG(0x900)
+
+#define S5P64X0_CLKDIV0_HCLK_SHIFT (8)
+#define S5P64X0_CLKDIV0_HCLK_MASK (0xF << S5P64X0_CLKDIV0_HCLK_SHIFT)
+
+#define S5P64X0_OTHERS_USB_SIG_MASK (1 << 16)
+
+/* Compatibility defines */
+
+#define ARM_CLK_DIV S5P64X0_CLK_DIV0
+#define ARM_DIV_RATIO_SHIFT 0
+#define ARM_DIV_MASK (0xF << ARM_DIV_RATIO_SHIFT)
+
+#endif /* __ASM_ARCH_REGS_CLOCK_H */
--- /dev/null
+/* linux/arch/arm/mach-s5p64x0/include/mach/s5p64x0-clock.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Header file for s5p64x0 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.
+*/
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H __FILE__
+
+#include <linux/clk.h>
+
+extern struct clksrc_clk clk_mout_apll;
+extern struct clksrc_clk clk_mout_mpll;
+extern struct clksrc_clk clk_mout_epll;
+
+extern int s5p64x0_epll_enable(struct clk *clk, int enable);
+extern unsigned long s5p64x0_epll_get_rate(struct clk *clk);
+
+extern unsigned long s5p64x0_armclk_get_rate(struct clk *clk);
+extern unsigned long s5p64x0_armclk_round_rate(struct clk *clk, unsigned long rate);
+extern int s5p64x0_armclk_set_rate(struct clk *clk, unsigned long rate);
+
+extern struct clk_ops s5p64x0_clkarm_ops;
+
+extern struct clksrc_clk clk_armclk;
+extern struct clksrc_clk clk_dout_mpll;
+
+extern struct clk *clkset_hclk_low_list[];
+extern struct clksrc_sources clkset_hclk_low;
+
+extern int s5p64x0_pclk_ctrl(struct clk *clk, int enable);
+extern int s5p64x0_hclk0_ctrl(struct clk *clk, int enable);
+extern int s5p64x0_hclk1_ctrl(struct clk *clk, int enable);
+extern int s5p64x0_sclk_ctrl(struct clk *clk, int enable);
+extern int s5p64x0_sclk1_ctrl(struct clk *clk, int enable);
+extern int s5p64x0_mem_ctrl(struct clk *clk, int enable);
+
+extern int s5p64x0_clk48m_ctrl(struct clk *clk, int enable);
+
+#endif /* __ASM_ARCH_CLOCK_H */
.ctrlbit = (1 << 31),
};
+/* DPLL clock output */
+struct clk clk_fout_dpll = {
+ .name = "fout_dpll",
+ .id = -1,
+ .ctrlbit = (1 << 31),
+};
+
/* VPLL clock output */
struct clk clk_fout_vpll = {
.name = "fout_vpll",
.nr_sources = ARRAY_SIZE(clk_src_epll_list),
};
+/* Possible clock sources for DPLL Mux */
+static struct clk *clk_src_dpll_list[] = {
+ [0] = &clk_fin_dpll,
+ [1] = &clk_fout_dpll,
+};
+
+struct clksrc_sources clk_src_dpll = {
+ .sources = clk_src_dpll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_dpll_list),
+};
+
struct clk clk_vpll = {
.name = "vpll",
.id = -1,
&clk_fout_apll,
&clk_fout_mpll,
&clk_fout_epll,
+ &clk_fout_dpll,
&clk_fout_vpll,
&clk_arm,
&clk_vpll,
}
#define PLL46XX_KDIV_MASK (0xFFFF)
+#define PLL4650C_KDIV_MASK (0xFFF)
#define PLL46XX_MDIV_MASK (0x1FF)
#define PLL46XX_PDIV_MASK (0x3F)
#define PLL46XX_SDIV_MASK (0x7)
enum pll46xx_type_t {
pll_4600,
pll_4650,
+ pll_4650c,
};
static inline unsigned long s5p_get_pll46xx(unsigned long baseclk,
sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK;
kdiv = pll_con1 & PLL46XX_KDIV_MASK;
+ if (pll_type == pll_4650c)
+ kdiv = pll_con1 & PLL4650C_KDIV_MASK;
+ else
+ kdiv = pll_con1 & PLL46XX_KDIV_MASK;
+
tmp = baseclk;
if (pll_type == pll_4600) {
/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
*
- * Copyright 2009 Samsung Electronics Co., Ltd.
- * http://www.samsung.com/
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
*
* Header file for s5p clock support
*
#define clk_fin_apll clk_ext_xtal_mux
#define clk_fin_mpll clk_ext_xtal_mux
#define clk_fin_epll clk_ext_xtal_mux
+#define clk_fin_dpll clk_ext_xtal_mux
#define clk_fin_vpll clk_ext_xtal_mux
#define clk_fin_hpll clk_ext_xtal_mux
extern struct clk clk_fout_apll;
extern struct clk clk_fout_mpll;
extern struct clk clk_fout_epll;
+extern struct clk clk_fout_dpll;
extern struct clk clk_fout_vpll;
extern struct clk clk_arm;
extern struct clk clk_vpll;
extern struct clksrc_sources clk_src_apll;
extern struct clksrc_sources clk_src_mpll;
extern struct clksrc_sources clk_src_epll;
+extern struct clksrc_sources clk_src_dpll;
-extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable);
extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
#endif /* __ASM_PLAT_S5P_CLOCK_H */
projects / platform / kernel / linux-amlogic.git / commitdiff