--- /dev/null
+/* linux/arch/arm/plat-s5pc1xx/clock.c
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *
+ * S5PC1XX Base clock support
+ *
+ * Based on plat-s3c64xx/clock.c
+ *
+ * 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/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/regs-clock.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+
+struct clk clk_27m = {
+ .name = "clk_27m",
+ .id = -1,
+ .rate = 27000000,
+};
+
+static int clk_48m_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(S5PC100_CLKSRC1);
+ if (enable)
+ val |= S5PC100_CLKSRC1_CLK48M_MASK;
+ else
+ val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
+
+ __raw_writel(val, S5PC100_CLKSRC1);
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+struct clk clk_48m = {
+ .name = "clk_48m",
+ .id = -1,
+ .rate = 48000000,
+ .enable = clk_48m_ctrl,
+};
+
+struct clk clk_54m = {
+ .name = "clk_54m",
+ .id = -1,
+ .rate = 54000000,
+};
+
+static int clk_default_setrate(struct clk *clk, unsigned long rate)
+{
+ clk->rate = rate;
+ return 0;
+}
+
+static int clk_dummy_enable(struct clk *clk, int enable)
+{
+ return 0;
+}
+
+struct clk clk_hd0 = {
+ .name = "hclkd0",
+ .id = -1,
+ .rate = 0,
+ .parent = NULL,
+ .ctrlbit = 0,
+ .set_rate = clk_default_setrate,
+ .enable = clk_dummy_enable,
+};
+
+struct clk clk_pd0 = {
+ .name = "pclkd0",
+ .id = -1,
+ .rate = 0,
+ .parent = NULL,
+ .ctrlbit = 0,
+ .set_rate = clk_default_setrate,
+ .enable = clk_dummy_enable,
+};
+
+static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable)
+{
+ unsigned int ctrlbit = clk->ctrlbit;
+ u32 con;
+
+ con = __raw_readl(reg);
+ if (enable)
+ con |= ctrlbit;
+ else
+ con &= ~ctrlbit;
+ __raw_writel(con, reg);
+
+ return 0;
+}
+
+static int s5pc100_clk_d00_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
+}
+
+static int s5pc100_clk_d01_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
+}
+
+static int s5pc100_clk_d02_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
+}
+
+static int s5pc100_clk_d10_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
+}
+
+static int s5pc100_clk_d11_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
+}
+
+static int s5pc100_clk_d12_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
+}
+
+static int s5pc100_clk_d13_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
+}
+
+static int s5pc100_clk_d14_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
+}
+
+static int s5pc100_clk_d15_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
+}
+
+static int s5pc100_clk_d20_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
+}
+
+int s5pc100_sclk0_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
+}
+
+int s5pc100_sclk1_ctrl(struct clk *clk, int enable)
+{
+ return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
+}
+
+static struct clk s5pc100_init_clocks_disable[] = {
+ {
+ .name = "dsi",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_DSI,
+ }, {
+ .name = "csi",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_CSI,
+ }, {
+ .name = "ccan",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_CCAN0,
+ }, {
+ .name = "ccan",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_CCAN1,
+ }, {
+ .name = "keypad",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_KEYIF,
+ }, {
+ .name = "hclkd2",
+ .id = -1,
+ .parent = NULL,
+ .enable = s5pc100_clk_d20_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D20_HCLKD2,
+ }, {
+ .name = "iis-d2",
+ .id = -1,
+ .parent = NULL,
+ .enable = s5pc100_clk_d20_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D20_I2SD2,
+ },
+};
+
+static struct clk s5pc100_init_clocks[] = {
+ /* System1 (D0_0) devices */
+ {
+ .name = "intc",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_INTC,
+ }, {
+ .name = "tzic",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_TZIC,
+ }, {
+ .name = "cf-ata",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_CFCON,
+ }, {
+ .name = "mdma",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_MDMA,
+ }, {
+ .name = "g2d",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_G2D,
+ }, {
+ .name = "secss",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_SECSS,
+ }, {
+ .name = "cssys",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d00_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D00_CSSYS,
+ },
+
+ /* Memory (D0_1) devices */
+ {
+ .name = "dmc",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_DMC,
+ }, {
+ .name = "sromc",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_SROMC,
+ }, {
+ .name = "onenand",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_ONENAND,
+ }, {
+ .name = "nand",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_NFCON,
+ }, {
+ .name = "intmem",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_INTMEM,
+ }, {
+ .name = "ebi",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d01_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D01_EBI,
+ },
+
+ /* System2 (D0_2) devices */
+ {
+ .name = "seckey",
+ .id = -1,
+ .parent = &clk_pd0,
+ .enable = s5pc100_clk_d02_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D02_SECKEY,
+ }, {
+ .name = "sdm",
+ .id = -1,
+ .parent = &clk_hd0,
+ .enable = s5pc100_clk_d02_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D02_SDM,
+ },
+
+ /* File (D1_0) devices */
+ {
+ .name = "pdma",
+ .id = 0,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_PDMA0,
+ }, {
+ .name = "pdma",
+ .id = 1,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_PDMA1,
+ }, {
+ .name = "usb-host",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_USBHOST,
+ }, {
+ .name = "otg",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_USBOTG,
+ }, {
+ .name = "modem",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_MODEMIF,
+ }, {
+ .name = "hsmmc",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_HSMMC0,
+ }, {
+ .name = "hsmmc",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_HSMMC1,
+ }, {
+ .name = "hsmmc",
+ .id = 2,
+ .parent = &clk_48m,
+ .enable = s5pc100_clk_d10_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D10_HSMMC2,
+ },
+
+ /* Multimedia1 (D1_1) devices */
+ {
+ .name = "lcd",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_LCD,
+ }, {
+ .name = "rotator",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_ROTATOR,
+ }, {
+ .name = "fimc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_FIMC0,
+ }, {
+ .name = "fimc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_FIMC1,
+ }, {
+ .name = "fimc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_FIMC2,
+ }, {
+ .name = "jpeg",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_JPEG,
+ }, {
+ .name = "g3d",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d11_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D11_G3D,
+ },
+
+ /* Multimedia2 (D1_2) devices */
+ {
+ .name = "tv",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d12_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D12_TV,
+ }, {
+ .name = "vp",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d12_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D12_VP,
+ }, {
+ .name = "mixer",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d12_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D12_MIXER,
+ }, {
+ .name = "hdmi",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d12_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D12_HDMI,
+ }, {
+ .name = "mfc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d12_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D12_MFC,
+ },
+
+ /* System (D1_3) devices */
+ {
+ .name = "chipid",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_CHIPID,
+ }, {
+ .name = "gpio",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_GPIO,
+ }, {
+ .name = "apc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_APC,
+ }, {
+ .name = "iec",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_IEC,
+ }, {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_PWM,
+ }, {
+ .name = "systimer",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_SYSTIMER,
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_WDT,
+ }, {
+ .name = "rtc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d13_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D13_RTC,
+ },
+
+ /* Connectivity (D1_4) devices */
+ {
+ .name = "uart",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_UART0,
+ }, {
+ .name = "uart",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_UART1,
+ }, {
+ .name = "uart",
+ .id = 2,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_UART2,
+ }, {
+ .name = "uart",
+ .id = 3,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_UART3,
+ }, {
+ .name = "i2c",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_IIC,
+ }, {
+ .name = "hdmi-i2c",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_HDMI_IIC,
+ }, {
+ .name = "spi",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_SPI0,
+ }, {
+ .name = "spi",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_SPI1,
+ }, {
+ .name = "spi",
+ .id = 2,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_SPI2,
+ }, {
+ .name = "irda",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_IRDA,
+ }, {
+ .name = "hsitx",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_HSITX,
+ }, {
+ .name = "hsirx",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d14_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D14_HSIRX,
+ },
+
+ /* Audio (D1_5) devices */
+ {
+ .name = "iis",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_IIS0,
+ }, {
+ .name = "iis",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_IIS1,
+ }, {
+ .name = "iis",
+ .id = 2,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_IIS2,
+ }, {
+ .name = "ac97",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_AC97,
+ }, {
+ .name = "pcm",
+ .id = 0,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_PCM0,
+ }, {
+ .name = "pcm",
+ .id = 1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_PCM1,
+ }, {
+ .name = "spdif",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_SPDIF,
+ }, {
+ .name = "adc",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_TSADC,
+ }, {
+ .name = "cg",
+ .id = -1,
+ .parent = &clk_p,
+ .enable = s5pc100_clk_d15_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_D15_CG,
+ },
+
+ /* Audio (D2_0) devices: all disabled */
+
+ /* Special Clocks 0 */
+ {
+ .name = "sclk_hpm",
+ .id = -1,
+ .parent = NULL,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_HPM,
+ }, {
+ .name = "sclk_onenand",
+ .id = -1,
+ .parent = NULL,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_ONENAND,
+ }, {
+ .name = "spi_48",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0_48,
+ }, {
+ .name = "spi_48",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1_48,
+ }, {
+ .name = "spi_48",
+ .id = 2,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2_48,
+ }, {
+ .name = "mmc_48",
+ .id = 0,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0_48,
+ }, {
+ .name = "mmc_48",
+ .id = 1,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1_48,
+ }, {
+ .name = "mmc_48",
+ .id = 2,
+ .parent = &clk_48m,
+ .enable = s5pc100_sclk0_ctrl,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2_48,
+ },
+ /* Special Clocks 1 */
+};
+
+static struct clk *clks[] __initdata = {
+ &clk_ext,
+ &clk_epll,
+ &clk_27m,
+ &clk_48m,
+ &clk_54m,
+};
+
+void __init s5pc1xx_register_clocks(void)
+{
+ struct clk *clkp;
+ int ret;
+ int ptr;
+ int size;
+
+ s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+ clkp = s5pc100_init_clocks;
+ size = ARRAY_SIZE(s5pc100_init_clocks);
+
+ for (ptr = 0; ptr < size; ptr++, clkp++) {
+ ret = s3c24xx_register_clock(clkp);
+ if (ret < 0) {
+ printk(KERN_ERR "Failed to register clock %s (%d)\n",
+ clkp->name, ret);
+ }
+ }
+
+ clkp = s5pc100_init_clocks_disable;
+ size = ARRAY_SIZE(s5pc100_init_clocks_disable);
+
+ for (ptr = 0; ptr < size; 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();
+}
#define clk_fin_hpll clk_ext_xtal_mux
#define clk_fout_mpll clk_mpll
+#define clk_vclk_54m clk_54m
struct clk_sources {
unsigned int nr_sources;
void __iomem *reg_source;
};
-static int clk_default_setrate(struct clk *clk, unsigned long rate)
-{
- clk->rate = rate;
- return 1;
-}
-
-struct clk clk_27m = {
- .name = "clk_27m",
+/* APLL */
+static struct clk clk_fout_apll = {
+ .name = "fout_apll",
.id = -1,
.rate = 27000000,
};
-static int clk_48m_ctrl(struct clk *clk, int enable)
-{
- unsigned long flags;
- u32 val;
+static struct clk *clk_src_apll_list[] = {
+ [0] = &clk_fin_apll,
+ [1] = &clk_fout_apll,
+};
- /* can't rely on clock lock, this register has other usages */
- local_irq_save(flags);
+static struct clk_sources clk_src_apll = {
+ .sources = clk_src_apll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_apll_list),
+};
- val = __raw_readl(S5PC100_CLKSRC1);
- if (enable)
- val |= S5PC100_CLKSRC1_CLK48M_MASK;
- else
- val &= ~S5PC100_CLKSRC1_CLK48M_MASK;
+static struct clksrc_clk clk_mout_apll = {
+ .clk = {
+ .name = "mout_apll",
+ .id = -1,
+ },
+ .shift = S5PC100_CLKSRC0_APLL_SHIFT,
+ .mask = S5PC100_CLKSRC0_APLL_MASK,
+ .sources = &clk_src_apll,
+ .reg_source = S5PC100_CLKSRC0,
+};
- __raw_writel(val, S5PC100_CLKSRC1);
- local_irq_restore(flags);
+static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
- return 0;
-}
+ ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_APLL_MASK;
+ ratio >>= S5PC100_CLKDIV0_APLL_SHIFT;
-struct clk clk_48m = {
- .name = "clk_48m",
- .id = -1,
- .rate = 48000000,
- .enable = clk_48m_ctrl,
-};
+ return rate / (ratio + 1);
+}
-struct clk clk_54m = {
- .name = "clk_54m",
+static struct clk clk_dout_apll = {
+ .name = "dout_apll",
.id = -1,
- .rate = 54000000,
+ .parent = &clk_mout_apll.clk,
+ .get_rate = s5pc100_clk_dout_apll_get_rate,
};
-struct clk clk_hpll = {
- .name = "hpll",
- .id = -1,
-};
+static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
-struct clk clk_hd0 = {
- .name = "hclkd0",
- .id = -1,
- .rate = 0,
- .parent = NULL,
- .ctrlbit = 0,
- .set_rate = clk_default_setrate,
-};
+ ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_ARM_MASK;
+ ratio >>= S5PC100_CLKDIV0_ARM_SHIFT;
-struct clk clk_pd0 = {
- .name = "pclkd0",
- .id = -1,
- .rate = 0,
- .parent = NULL,
- .ctrlbit = 0,
- .set_rate = clk_default_setrate,
-};
+ return rate / (ratio + 1);
+}
-static int s5pc1xx_clk_gate(void __iomem *reg,
- struct clk *clk,
- int enable)
+static unsigned long s5pc100_clk_arm_round_rate(struct clk *clk,
+ unsigned long rate)
{
- unsigned int ctrlbit = clk->ctrlbit;
- u32 con;
+ unsigned long parent = clk_get_rate(clk->parent);
+ u32 div;
- con = __raw_readl(reg);
+ if (parent < rate)
+ return rate;
- if (enable)
- con |= ctrlbit;
- else
- con &= ~ctrlbit;
+ div = (parent / rate) - 1;
+ if (div > S5PC100_CLKDIV0_ARM_MASK)
+ div = S5PC100_CLKDIV0_ARM_MASK;
- __raw_writel(con, reg);
- return 0;
+ return parent / (div + 1);
}
-static int s5pc1xx_clk_d00_ctrl(struct clk *clk, int enable)
+static int s5pc100_clk_arm_set_rate(struct clk *clk, unsigned long rate)
{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D00, clk, enable);
-}
+ unsigned long parent = clk_get_rate(clk->parent);
+ u32 div;
+ u32 val;
-static int s5pc1xx_clk_d01_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D01, clk, enable);
-}
+ if (rate < parent / (S5PC100_CLKDIV0_ARM_MASK + 1))
+ return -EINVAL;
-static int s5pc1xx_clk_d02_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D02, clk, enable);
-}
+ rate = clk_round_rate(clk, rate);
+ div = clk_get_rate(clk->parent) / rate;
-static int s5pc1xx_clk_d10_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D10, clk, enable);
-}
+ val = __raw_readl(S5PC100_CLKDIV0);
+ val &= S5PC100_CLKDIV0_ARM_MASK;
+ val |= (div - 1);
+ __raw_writel(val, S5PC100_CLKDIV0);
-static int s5pc1xx_clk_d11_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D11, clk, enable);
+ return 0;
}
-static int s5pc1xx_clk_d12_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D12, clk, enable);
-}
+static struct clk clk_arm = {
+ .name = "armclk",
+ .id = -1,
+ .parent = &clk_dout_apll,
+ .get_rate = s5pc100_clk_arm_get_rate,
+ .set_rate = s5pc100_clk_arm_set_rate,
+ .round_rate = s5pc100_clk_arm_round_rate,
+};
-static int s5pc1xx_clk_d13_ctrl(struct clk *clk, int enable)
+static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk)
{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D13, clk, enable);
-}
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
-static int s5pc1xx_clk_d14_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D14, clk, enable);
-}
+ ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_D0_MASK;
+ ratio >>= S5PC100_CLKDIV0_D0_SHIFT;
-static int s5pc1xx_clk_d15_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D15, clk, enable);
+ return rate / (ratio + 1);
}
-static int s5pc1xx_clk_d20_ctrl(struct clk *clk, int enable)
-{
- return s5pc1xx_clk_gate(S5PC100_CLKGATE_D20, clk, enable);
-}
+static struct clk clk_dout_d0_bus = {
+ .name = "dout_d0_bus",
+ .id = -1,
+ .parent = &clk_arm,
+ .get_rate = s5pc100_clk_dout_d0_bus_get_rate,
+};
-int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable)
+static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk)
{
- return s5pc1xx_clk_gate(S5PC100_SCLKGATE0, clk, enable);
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
+
+ ratio = __raw_readl(S5PC100_CLKDIV0) & S5PC100_CLKDIV0_PCLKD0_MASK;
+ ratio >>= S5PC100_CLKDIV0_PCLKD0_SHIFT;
+
+ return rate / (ratio + 1);
}
-int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable)
+static struct clk clk_dout_pclkd0 = {
+ .name = "dout_pclkd0",
+ .id = -1,
+ .parent = &clk_dout_d0_bus,
+ .get_rate = s5pc100_clk_dout_pclkd0_get_rate,
+};
+
+static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk)
{
- return s5pc1xx_clk_gate(S5PC100_SCLKGATE1, clk, enable);
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
+
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_APLL2_MASK;
+ ratio >>= S5PC100_CLKDIV1_APLL2_SHIFT;
+
+ return rate / (ratio + 1);
}
-static struct clk init_clocks_disable[] = {
- {
- .name = "dsi",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_DSI,
- }, {
- .name = "csi",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_CSI,
- }, {
- .name = "ccan0",
- .id = 0,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_CCAN0,
- }, {
- .name = "ccan1",
- .id = 1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_CCAN1,
- }, {
- .name = "keypad",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_KEYIF,
- }, {
- .name = "hclkd2",
- .id = -1,
- .parent = NULL,
- .enable = s5pc1xx_clk_d20_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D20_HCLKD2,
- }, {
- .name = "iis-d2",
- .id = -1,
- .parent = NULL,
- .enable = s5pc1xx_clk_d20_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D20_I2SD2,
- }, {
- .name = "otg",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_USBOTG,
- },
+static struct clk clk_dout_apll2 = {
+ .name = "dout_apll2",
+ .id = -1,
+ .parent = &clk_mout_apll.clk,
+ .get_rate = s5pc100_clk_dout_apll2_get_rate,
};
-static struct clk init_clocks[] = {
- /* System1 (D0_0) devices */
- {
- .name = "intc",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_INTC,
- }, {
- .name = "tzic",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_TZIC,
- }, {
- .name = "cf-ata",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_CFCON,
- }, {
- .name = "mdma",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_MDMA,
- }, {
- .name = "g2d",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_G2D,
- }, {
- .name = "secss",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_SECSS,
- }, {
- .name = "cssys",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d00_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D00_CSSYS,
- },
+/* MPLL */
+static struct clk *clk_src_mpll_list[] = {
+ [0] = &clk_fin_mpll,
+ [1] = &clk_fout_mpll,
+};
- /* Memory (D0_1) devices */
- {
- .name = "dmc",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_DMC,
- }, {
- .name = "sromc",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_SROMC,
- }, {
- .name = "onenand",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_ONENAND,
- }, {
- .name = "nand",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_NFCON,
- }, {
- .name = "intmem",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_INTMEM,
- }, {
- .name = "ebi",
- .id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d01_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D01_EBI,
- },
+static struct clk_sources clk_src_mpll = {
+ .sources = clk_src_mpll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_mpll_list),
+};
- /* System2 (D0_2) devices */
- {
- .name = "seckey",
- .id = -1,
- .parent = &clk_pd0,
- .enable = s5pc1xx_clk_d02_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D02_SECKEY,
- }, {
- .name = "sdm",
+static struct clksrc_clk clk_mout_mpll = {
+ .clk = {
+ .name = "mout_mpll",
.id = -1,
- .parent = &clk_hd0,
- .enable = s5pc1xx_clk_d02_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D02_SDM,
},
+ .shift = S5PC100_CLKSRC0_MPLL_SHIFT,
+ .mask = S5PC100_CLKSRC0_MPLL_MASK,
+ .sources = &clk_src_mpll,
+ .reg_source = S5PC100_CLKSRC0,
+};
- /* File (D1_0) devices */
- {
- .name = "pdma0",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_PDMA0,
- }, {
- .name = "pdma1",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_PDMA1,
- }, {
- .name = "usb-host",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_USBHOST,
- }, {
- .name = "modem",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_MODEMIF,
- }, {
- .name = "hsmmc",
- .id = 0,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_HSMMC0,
- }, {
- .name = "hsmmc",
- .id = 1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_HSMMC1,
- }, {
- .name = "hsmmc",
- .id = 2,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d10_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D10_HSMMC2,
- },
+static struct clk *clkset_am_list[] = {
+ [0] = &clk_mout_mpll.clk,
+ [1] = &clk_dout_apll2,
+};
- /* Multimedia1 (D1_1) devices */
- {
- .name = "lcd",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_LCD,
- }, {
- .name = "rotator",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_ROTATOR,
- }, {
- .name = "fimc",
- .id = 0,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_FIMC0,
- }, {
- .name = "fimc",
- .id = 1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_FIMC1,
- }, {
- .name = "fimc",
- .id = 2,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_FIMC2,
- }, {
- .name = "jpeg",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_JPEG,
- }, {
- .name = "g3d",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d11_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D11_G3D,
- },
+static struct clk_sources clk_src_am = {
+ .sources = clkset_am_list,
+ .nr_sources = ARRAY_SIZE(clkset_am_list),
+};
- /* Multimedia2 (D1_2) devices */
- {
- .name = "tv",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d12_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D12_TV,
- }, {
- .name = "vp",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d12_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D12_VP,
- }, {
- .name = "mixer",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d12_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D12_MIXER,
- }, {
- .name = "hdmi",
- .id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d12_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D12_HDMI,
- }, {
- .name = "mfc",
+static struct clksrc_clk clk_mout_am = {
+ .clk = {
+ .name = "mout_am",
.id = -1,
- .parent = &clk_h,
- .enable = s5pc1xx_clk_d12_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D12_MFC,
},
+ .shift = S5PC100_CLKSRC0_AMMUX_SHIFT,
+ .mask = S5PC100_CLKSRC0_AMMUX_MASK,
+ .sources = &clk_src_am,
+ .reg_source = S5PC100_CLKSRC0,
+};
- /* System (D1_3) devices */
- {
- .name = "chipid",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_CHIPID,
- }, {
- .name = "gpio",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_GPIO,
- }, {
- .name = "apc",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_APC,
- }, {
- .name = "iec",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_IEC,
- }, {
- .name = "timers",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_PWM,
- }, {
- .name = "systimer",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_SYSTIMER,
- }, {
- .name = "watchdog",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_WDT,
- }, {
- .name = "rtc",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d13_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D13_RTC,
- },
+static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
- /* Connectivity (D1_4) devices */
- {
- .name = "uart",
- .id = 0,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_UART0,
- }, {
- .name = "uart",
- .id = 1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_UART1,
- }, {
- .name = "uart",
- .id = 2,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_UART2,
- }, {
- .name = "uart",
- .id = 3,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_UART3,
- }, {
- .name = "i2c",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_IIC,
- }, {
- .name = "hdmi-i2c",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_HDMI_IIC,
- }, {
- .name = "spi",
- .id = 0,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_SPI0,
- }, {
- .name = "spi",
- .id = 1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_SPI1,
- }, {
- .name = "spi",
- .id = 2,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_SPI2,
- }, {
- .name = "irda",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_IRDA,
- }, {
- .name = "hsitx",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_HSITX,
- }, {
- .name = "hsirx",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d14_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D14_HSIRX,
- },
+ printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
- /* Audio (D1_5) devices */
- {
- .name = "iis",
- .id = 0,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_IIS0,
- }, {
- .name = "iis",
- .id = 1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_IIS1,
- }, {
- .name = "iis",
- .id = 2,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_IIS2,
- }, {
- .name = "ac97",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_AC97,
- }, {
- .name = "pcm",
- .id = 0,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_PCM0,
- }, {
- .name = "pcm",
- .id = 1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_PCM1,
- }, {
- .name = "spdif",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_SPDIF,
- }, {
- .name = "adc",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_TSADC,
- }, {
- .name = "keyif",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_KEYIF,
- }, {
- .name = "cg",
- .id = -1,
- .parent = &clk_p,
- .enable = s5pc1xx_clk_d15_ctrl,
- .ctrlbit = S5PC100_CLKGATE_D15_CG,
- },
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_D1_MASK;
+ ratio >>= S5PC100_CLKDIV1_D1_SHIFT;
- /* Audio (D2_0) devices: all disabled */
+ return rate / (ratio + 1);
+}
- /* Special Clocks 1 */
- {
- .name = "sclk_hpm",
- .id = -1,
- .parent = NULL,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_HPM,
- }, {
- .name = "sclk_onenand",
- .id = -1,
- .parent = NULL,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_ONENAND,
- }, {
- .name = "sclk_spi_48",
- .id = 0,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0_48,
- }, {
- .name = "sclk_spi_48",
- .id = 1,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1_48,
- }, {
- .name = "sclk_spi_48",
- .id = 2,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2_48,
- }, {
- .name = "sclk_mmc_48",
- .id = 0,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0_48,
- }, {
- .name = "sclk_mmc_48",
- .id = 1,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1_48,
- }, {
- .name = "sclk_mmc_48",
- .id = 2,
- .parent = &clk_48m,
- .enable = s5pc1xx_sclk0_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2_48,
- },
+static struct clk clk_dout_d1_bus = {
+ .name = "dout_d1_bus",
+ .id = -1,
+ .parent = &clk_mout_am.clk,
+ .get_rate = s5pc100_clk_dout_d1_bus_get_rate,
+};
- /* Special Clocks 2 */
- {
- .name = "sclk_tv_54",
- .id = -1,
- .parent = &clk_54m,
- .enable = s5pc1xx_sclk1_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_TV54,
- }, {
- .name = "sclk_vdac_54",
- .id = -1,
- .parent = &clk_54m,
- .enable = s5pc1xx_sclk1_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_VDAC54,
- }, {
- .name = "sclk_spdif",
+static struct clk *clkset_onenand_list[] = {
+ [0] = &clk_dout_d0_bus,
+ [1] = &clk_dout_d1_bus,
+};
+
+static struct clk_sources clk_src_onenand = {
+ .sources = clkset_onenand_list,
+ .nr_sources = ARRAY_SIZE(clkset_onenand_list),
+};
+
+static struct clksrc_clk clk_mout_onenand = {
+ .clk = {
+ .name = "mout_onenand",
.id = -1,
- .parent = NULL,
- .enable = s5pc1xx_sclk1_ctrl,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_SPDIF,
},
+ .shift = S5PC100_CLKSRC0_ONENAND_SHIFT,
+ .mask = S5PC100_CLKSRC0_ONENAND_MASK,
+ .sources = &clk_src_onenand,
+ .reg_source = S5PC100_CLKSRC0,
};
-void __init s5pc1xx_register_clocks(void)
+static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk)
{
- struct clk *clkp;
- int ret;
- int ptr;
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
- clkp = init_clocks;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
- }
+ printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
- clkp = init_clocks_disable;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_PCLKD1_MASK;
+ ratio >>= S5PC100_CLKDIV1_PCLKD1_SHIFT;
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
+ return rate / (ratio + 1);
+}
- (clkp->enable)(clkp, 0);
- }
+static struct clk clk_dout_pclkd1 = {
+ .name = "dout_pclkd1",
+ .id = -1,
+ .parent = &clk_dout_d1_bus,
+ .get_rate = s5pc100_clk_dout_pclkd1_get_rate,
+};
- s3c_pwmclk_init();
+static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
+
+ printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK;
+ ratio >>= S5PC100_CLKDIV1_MPLL2_SHIFT;
+
+ return rate / (ratio + 1);
}
-static struct clk clk_fout_apll = {
- .name = "fout_apll",
+
+static struct clk clk_dout_mpll2 = {
+ .name = "dout_mpll2",
.id = -1,
+ .parent = &clk_mout_am.clk,
+ .get_rate = s5pc100_clk_dout_mpll2_get_rate,
};
-static struct clk *clk_src_apll_list[] = {
- [0] = &clk_fin_apll,
- [1] = &clk_fout_apll,
-};
+static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
-static struct clk_sources clk_src_apll = {
- .sources = clk_src_apll_list,
- .nr_sources = ARRAY_SIZE(clk_src_apll_list),
+ printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_CAM_MASK;
+ ratio >>= S5PC100_CLKDIV1_CAM_SHIFT;
+
+ return rate / (ratio + 1);
+}
+
+static struct clk clk_dout_cam = {
+ .name = "dout_cam",
+ .id = -1,
+ .parent = &clk_dout_mpll2,
+ .get_rate = s5pc100_clk_dout_cam_get_rate,
};
-static struct clksrc_clk clk_mout_apll = {
- .clk = {
- .name = "mout_apll",
- .id = -1,
- },
- .shift = S5PC100_CLKSRC0_APLL_SHIFT,
- .mask = S5PC100_CLKSRC0_APLL_MASK,
- .sources = &clk_src_apll,
- .reg_source = S5PC100_CLKSRC0,
+static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned int ratio;
+
+ printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+ ratio = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK;
+ ratio >>= S5PC100_CLKDIV1_MPLL_SHIFT;
+
+ return rate / (ratio + 1);
+}
+
+static struct clk clk_dout_mpll = {
+ .name = "dout_mpll",
+ .id = -1,
+ .parent = &clk_mout_am.clk,
+ .get_rate = s5pc100_clk_dout_mpll_get_rate,
};
+/* EPLL */
static struct clk clk_fout_epll = {
.name = "fout_epll",
.id = -1,
.reg_source = S5PC100_CLKSRC0,
};
-static struct clk *clk_src_mpll_list[] = {
- [0] = &clk_fin_mpll,
- [1] = &clk_fout_mpll,
+/* HPLL */
+static struct clk clk_fout_hpll = {
+ .name = "fout_hpll",
+ .id = -1,
};
-static struct clk_sources clk_src_mpll = {
- .sources = clk_src_mpll_list,
- .nr_sources = ARRAY_SIZE(clk_src_mpll_list),
+static struct clk *clk_src_hpll_list[] = {
+ [0] = &clk_27m,
+ [1] = &clk_fout_hpll,
};
-static struct clksrc_clk clk_mout_mpll = {
- .clk = {
- .name = "mout_mpll",
+static struct clk_sources clk_src_hpll = {
+ .sources = clk_src_hpll_list,
+ .nr_sources = ARRAY_SIZE(clk_src_hpll_list),
+};
+
+static struct clksrc_clk clk_mout_hpll = {
+ .clk = {
+ .name = "mout_hpll",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_MPLL_SHIFT,
- .mask = S5PC100_CLKSRC0_MPLL_MASK,
- .sources = &clk_src_mpll,
+ .shift = S5PC100_CLKSRC0_HPLL_SHIFT,
+ .mask = S5PC100_CLKSRC0_HPLL_MASK,
+ .sources = &clk_src_hpll,
.reg_source = S5PC100_CLKSRC0,
};
-static unsigned long s5pc1xx_clk_doutmpll_get_rate(struct clk *clk)
-{
- unsigned long rate = clk_get_rate(clk->parent);
- unsigned long clkdiv;
-
- printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
- clkdiv = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL_MASK;
- rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL_SHIFT) + 1;
-
- return rate;
-}
-
-static struct clk clk_dout_mpll = {
- .name = "dout_mpll",
- .id = -1,
- .parent = &clk_mout_mpll.clk,
- .get_rate = s5pc1xx_clk_doutmpll_get_rate,
-};
-
-static unsigned long s5pc1xx_clk_doutmpll2_get_rate(struct clk *clk)
-{
- unsigned long rate = clk_get_rate(clk->parent);
- unsigned long clkdiv;
-
- printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
- clkdiv = __raw_readl(S5PC100_CLKDIV1) & S5PC100_CLKDIV1_MPLL2_MASK;
- rate /= (clkdiv >> S5PC100_CLKDIV1_MPLL2_SHIFT) + 1;
-
- return rate;
-}
-
-struct clk clk_dout_mpll2 = {
- .name = "dout_mpll2",
- .id = -1,
- .parent = &clk_mout_mpll.clk,
- .get_rate = s5pc1xx_clk_doutmpll2_get_rate,
-};
-
-static struct clk *clkset_uart_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll,
- NULL,
- NULL
-};
-
-static struct clk_sources clkset_uart = {
- .sources = clkset_uart_list,
- .nr_sources = ARRAY_SIZE(clkset_uart_list),
-};
+/* Peripherals */
+/*
+ * The peripheral clocks are all controlled via clocksource followed
+ * by an optional divider and gate stage. We currently roll this into
+ * one clock which hides the intermediate clock from the mux.
+ *
+ * Note, the JPEG clock can only be an even divider...
+ *
+ * The scaler and LCD clocks depend on the S5PC100 version, and also
+ * have a common parent divisor so are not included here.
+ */
static inline struct clksrc_clk *to_clksrc(struct clk *clk)
{
return container_of(clk, struct clksrc_clk, clk);
}
-static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk)
+static unsigned long s5pc100_getrate_clksrc(struct clk *clk)
{
struct clksrc_clk *sclk = to_clksrc(clk);
unsigned long rate = clk_get_rate(clk->parent);
return rate;
}
-static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate)
+static int s5pc100_setrate_clksrc(struct clk *clk, unsigned long rate)
{
struct clksrc_clk *sclk = to_clksrc(clk);
void __iomem *reg = sclk->reg_divider;
return -EINVAL;
val = __raw_readl(reg);
- val &= ~(0xf << sclk->shift);
- val |= (div - 1) << sclk->shift;
+ val &= ~(0xf << sclk->divider_shift);
+ val |= (div - 1) << sclk->divider_shift;
__raw_writel(val, reg);
return 0;
}
-static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent)
+static int s5pc100_setparent_clksrc(struct clk *clk, struct clk *parent)
{
struct clksrc_clk *sclk = to_clksrc(clk);
struct clk_sources *srcs = sclk->sources;
return -EINVAL;
}
-static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk,
+static unsigned long s5pc100_roundrate_clksrc(struct clk *clk,
unsigned long rate)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
return rate;
}
+static struct clk *clkset_spi_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll2,
+ &clk_fin_epll,
+ &clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_spi = {
+ .sources = clkset_spi_list,
+ .nr_sources = ARRAY_SIZE(clkset_spi_list),
+};
+
+static struct clksrc_clk clk_spi0 = {
+ .clk = {
+ .name = "spi_bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC1_SPI0_SHIFT,
+ .mask = S5PC100_CLKSRC1_SPI0_MASK,
+ .sources = &clkset_spi,
+ .divider_shift = S5PC100_CLKDIV2_SPI0_SHIFT,
+ .reg_divider = S5PC100_CLKDIV2,
+ .reg_source = S5PC100_CLKSRC1,
+};
+
+static struct clksrc_clk clk_spi1 = {
+ .clk = {
+ .name = "spi_bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC1_SPI1_SHIFT,
+ .mask = S5PC100_CLKSRC1_SPI1_MASK,
+ .sources = &clkset_spi,
+ .divider_shift = S5PC100_CLKDIV2_SPI1_SHIFT,
+ .reg_divider = S5PC100_CLKDIV2,
+ .reg_source = S5PC100_CLKSRC1,
+};
+
+static struct clksrc_clk clk_spi2 = {
+ .clk = {
+ .name = "spi_bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC1_SPI2_SHIFT,
+ .mask = S5PC100_CLKSRC1_SPI2_MASK,
+ .sources = &clkset_spi,
+ .divider_shift = S5PC100_CLKDIV2_SPI2_SHIFT,
+ .reg_divider = S5PC100_CLKDIV2,
+ .reg_source = S5PC100_CLKSRC1,
+};
+
+static struct clk *clkset_uart_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+};
+
+static struct clk_sources clkset_uart = {
+ .sources = clkset_uart_list,
+ .nr_sources = ARRAY_SIZE(clkset_uart_list),
+};
+
static struct clksrc_clk clk_uart_uclk1 = {
.clk = {
.name = "uclk1",
.id = -1,
.ctrlbit = S5PC100_CLKGATE_SCLK0_UART,
- .enable = s5pc1xx_sclk0_ctrl,
- .set_parent = s5pc1xx_setparent_clksrc,
- .get_rate = s5pc1xx_getrate_clksrc,
- .set_rate = s5pc1xx_setrate_clksrc,
- .round_rate = s5pc1xx_roundrate_clksrc,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
},
.shift = S5PC100_CLKSRC1_UART_SHIFT,
.mask = S5PC100_CLKSRC1_UART_MASK,
.reg_source = S5PC100_CLKSRC1,
};
+static struct clk clk_iis_cd0 = {
+ .name = "iis_cdclk0",
+ .id = -1,
+};
+
+static struct clk clk_iis_cd1 = {
+ .name = "iis_cdclk1",
+ .id = -1,
+};
+
+static struct clk clk_iis_cd2 = {
+ .name = "iis_cdclk2",
+ .id = -1,
+};
+
+static struct clk clk_pcm_cd0 = {
+ .name = "pcm_cdclk0",
+ .id = -1,
+};
+
+static struct clk clk_pcm_cd1 = {
+ .name = "pcm_cdclk1",
+ .id = -1,
+};
+
+static struct clk *clkset_audio0_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_fin_epll,
+ &clk_iis_cd0,
+ &clk_pcm_cd0,
+ &clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio0 = {
+ .sources = clkset_audio0_list,
+ .nr_sources = ARRAY_SIZE(clkset_audio0_list),
+};
+
+static struct clksrc_clk clk_audio0 = {
+ .clk = {
+ .name = "audio-bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO0,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC3_AUDIO0_SHIFT,
+ .mask = S5PC100_CLKSRC3_AUDIO0_MASK,
+ .sources = &clkset_audio0,
+ .divider_shift = S5PC100_CLKDIV4_AUDIO0_SHIFT,
+ .reg_divider = S5PC100_CLKDIV4,
+ .reg_source = S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_audio1_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_fin_epll,
+ &clk_iis_cd1,
+ &clk_pcm_cd1,
+ &clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio1 = {
+ .sources = clkset_audio1_list,
+ .nr_sources = ARRAY_SIZE(clkset_audio1_list),
+};
+
+static struct clksrc_clk clk_audio1 = {
+ .clk = {
+ .name = "audio-bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO1,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC3_AUDIO1_SHIFT,
+ .mask = S5PC100_CLKSRC3_AUDIO1_MASK,
+ .sources = &clkset_audio1,
+ .divider_shift = S5PC100_CLKDIV4_AUDIO1_SHIFT,
+ .reg_divider = S5PC100_CLKDIV4,
+ .reg_source = S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_audio2_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_fin_epll,
+ &clk_iis_cd2,
+ &clk_mout_hpll.clk,
+};
+
+static struct clk_sources clkset_audio2 = {
+ .sources = clkset_audio2_list,
+ .nr_sources = ARRAY_SIZE(clkset_audio2_list),
+};
+
+static struct clksrc_clk clk_audio2 = {
+ .clk = {
+ .name = "audio-bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO2,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC3_AUDIO2_SHIFT,
+ .mask = S5PC100_CLKSRC3_AUDIO2_MASK,
+ .sources = &clkset_audio2,
+ .divider_shift = S5PC100_CLKDIV4_AUDIO2_SHIFT,
+ .reg_divider = S5PC100_CLKDIV4,
+ .reg_source = S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_spdif_list[] = {
+ &clk_audio0.clk,
+ &clk_audio1.clk,
+ &clk_audio2.clk,
+};
+
+static struct clk_sources clkset_spdif = {
+ .sources = clkset_spdif_list,
+ .nr_sources = ARRAY_SIZE(clkset_spdif_list),
+};
+
+static struct clksrc_clk clk_spdif = {
+ .clk = {
+ .name = "spdif",
+ .id = -1,
+ },
+ .shift = S5PC100_CLKSRC3_SPDIF_SHIFT,
+ .mask = S5PC100_CLKSRC3_SPDIF_MASK,
+ .sources = &clkset_spdif,
+ .reg_source = S5PC100_CLKSRC3,
+};
+
+static struct clk *clkset_lcd_fimc_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_mout_hpll.clk,
+ &clk_vclk_54m,
+};
+
+static struct clk_sources clkset_lcd_fimc = {
+ .sources = clkset_lcd_fimc_list,
+ .nr_sources = ARRAY_SIZE(clkset_lcd_fimc_list),
+};
+
+static struct clksrc_clk clk_lcd = {
+ .clk = {
+ .name = "lcd",
+ .id = -1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_LCD,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_LCD_SHIFT,
+ .mask = S5PC100_CLKSRC2_LCD_MASK,
+ .sources = &clkset_lcd_fimc,
+ .divider_shift = S5PC100_CLKDIV3_LCD_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc0 = {
+ .clk = {
+ .name = "fimc",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC0,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_FIMC0_SHIFT,
+ .mask = S5PC100_CLKSRC2_FIMC0_MASK,
+ .sources = &clkset_lcd_fimc,
+ .divider_shift = S5PC100_CLKDIV3_FIMC0_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc1 = {
+ .clk = {
+ .name = "fimc",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC1,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_FIMC1_SHIFT,
+ .mask = S5PC100_CLKSRC2_FIMC1_MASK,
+ .sources = &clkset_lcd_fimc,
+ .divider_shift = S5PC100_CLKDIV3_FIMC1_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_fimc2 = {
+ .clk = {
+ .name = "fimc",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC2,
+ .enable = s5pc100_sclk1_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_FIMC2_SHIFT,
+ .mask = S5PC100_CLKSRC2_FIMC2_MASK,
+ .sources = &clkset_lcd_fimc,
+ .divider_shift = S5PC100_CLKDIV3_FIMC2_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clk *clkset_mmc_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_fin_epll,
+ &clk_mout_hpll.clk ,
+};
+
+static struct clk_sources clkset_mmc = {
+ .sources = clkset_mmc_list,
+ .nr_sources = ARRAY_SIZE(clkset_mmc_list),
+};
+
+static struct clksrc_clk clk_mmc0 = {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_MMC0_SHIFT,
+ .mask = S5PC100_CLKSRC2_MMC0_MASK,
+ .sources = &clkset_mmc,
+ .divider_shift = S5PC100_CLKDIV3_MMC0_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_mmc1 = {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_MMC1_SHIFT,
+ .mask = S5PC100_CLKSRC2_MMC1_MASK,
+ .sources = &clkset_mmc,
+ .divider_shift = S5PC100_CLKDIV3_MMC1_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+static struct clksrc_clk clk_mmc2 = {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC2_MMC2_SHIFT,
+ .mask = S5PC100_CLKSRC2_MMC2_MASK,
+ .sources = &clkset_mmc,
+ .divider_shift = S5PC100_CLKDIV3_MMC2_SHIFT,
+ .reg_divider = S5PC100_CLKDIV3,
+ .reg_source = S5PC100_CLKSRC2,
+};
+
+
+static struct clk *clkset_usbhost_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+ &clk_mout_hpll.clk,
+ &clk_48m,
+};
+
+static struct clk_sources clkset_usbhost = {
+ .sources = clkset_usbhost_list,
+ .nr_sources = ARRAY_SIZE(clkset_usbhost_list),
+};
+
+static struct clksrc_clk clk_usbhost = {
+ .clk = {
+ .name = "usbhost",
+ .id = -1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_USBHOST,
+ .enable = s5pc100_sclk0_ctrl,
+ .set_parent = s5pc100_setparent_clksrc,
+ .get_rate = s5pc100_getrate_clksrc,
+ .set_rate = s5pc100_setrate_clksrc,
+ .round_rate = s5pc100_roundrate_clksrc,
+ },
+ .shift = S5PC100_CLKSRC1_UHOST_SHIFT,
+ .mask = S5PC100_CLKSRC1_UHOST_MASK,
+ .sources = &clkset_usbhost,
+ .divider_shift = S5PC100_CLKDIV2_UHOST_SHIFT,
+ .reg_divider = S5PC100_CLKDIV2,
+ .reg_source = S5PC100_CLKSRC1,
+};
+
/* Clock initialisation code */
static struct clksrc_clk *init_parents[] = {
&clk_mout_apll,
- &clk_mout_epll,
&clk_mout_mpll,
+ &clk_mout_am,
+ &clk_mout_onenand,
+ &clk_mout_epll,
+ &clk_mout_hpll,
+ &clk_spi0,
+ &clk_spi1,
+ &clk_spi2,
&clk_uart_uclk1,
+ &clk_audio0,
+ &clk_audio1,
+ &clk_audio2,
+ &clk_spdif,
+ &clk_lcd,
+ &clk_fimc0,
+ &clk_fimc1,
+ &clk_fimc2,
+ &clk_mmc0,
+ &clk_mmc1,
+ &clk_mmc2,
+ &clk_usbhost,
};
-static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk)
+static void __init_or_cpufreq s5pc100_set_clksrc(struct clksrc_clk *clk)
{
struct clk_sources *srcs = clk->sources;
u32 clksrc = __raw_readl(clk->reg_source);
clk->clk.parent = srcs->sources[clksrc];
- printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n",
- clk->clk.name, clk->clk.parent->name, clksrc,
- clk_get_rate(&clk->clk));
+ printk(KERN_INFO "%s: source is %s (%d), rate is %ld.%03ld MHz\n",
+ clk->clk.name, clk->clk.parent->name, clksrc,
+ print_mhz(clk_get_rate(&clk->clk)));
}
#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
unsigned long hclk;
unsigned long pclkd0;
unsigned long pclk;
- unsigned long apll;
- unsigned long mpll;
- unsigned long hpll;
- unsigned long epll;
+ unsigned long apll, mpll, epll, hpll;
unsigned int ptr;
u32 clkdiv0, clkdiv1;
clkdiv0 = __raw_readl(S5PC100_CLKDIV0);
clkdiv1 = __raw_readl(S5PC100_CLKDIV1);
- printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
- __func__, clkdiv0, clkdiv1);
+ printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n", __func__, clkdiv0, clkdiv1);
xtal_clk = clk_get(NULL, "xtal");
BUG_ON(IS_ERR(xtal_clk));
epll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_EPLL_CON));
hpll = s5pc1xx_get_pll(xtal, __raw_readl(S5PC100_HPLL_CON));
- printk(KERN_INFO "S5PC100: PLL settings, A=%ld, M=%ld, E=%ld, H=%ld\n",
- apll, mpll, epll, hpll);
+ printk(KERN_INFO "S5PC100: Apll=%ld.%03ld Mhz, Mpll=%ld.%03ld Mhz"
+ ", Epll=%ld.%03ld Mhz, Hpll=%ld.%03ld Mhz\n",
+ print_mhz(apll), print_mhz(mpll),
+ print_mhz(epll), print_mhz(hpll));
armclk = apll / GET_DIV(clkdiv0, S5PC100_CLKDIV0_APLL);
armclk = armclk / GET_DIV(clkdiv0, S5PC100_CLKDIV0_ARM);
hclk = mpll / GET_DIV(clkdiv1, S5PC100_CLKDIV1_D1);
pclk = hclk / GET_DIV(clkdiv1, S5PC100_CLKDIV1_PCLKD1);
- printk(KERN_INFO "S5PC100: ARMCLK=%ld, HCLKD0=%ld, PCLKD0=%ld, HCLK=%ld, PCLK=%ld\n",
- armclk, hclkd0, pclkd0, hclk, pclk);
+ printk(KERN_INFO "S5PC100: ARMCLK=%ld.%03ld MHz, HCLKD0=%ld.%03ld MHz,"
+ " PCLKD0=%ld.%03ld MHz\n, HCLK=%ld.%03ld MHz,"
+ " PCLK=%ld.%03ld MHz\n",
+ print_mhz(armclk), print_mhz(hclkd0),
+ print_mhz(pclkd0), print_mhz(hclk), print_mhz(pclk));
clk_fout_apll.rate = apll;
clk_fout_mpll.rate = mpll;
clk_fout_epll.rate = epll;
- clk_fout_apll.rate = apll;
+ clk_fout_hpll.rate = hpll;
clk_h.rate = hclk;
clk_p.rate = pclk;
+ clk_f.rate = armclk;
for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
- s5pc1xx_set_clksrc(init_parents[ptr]);
+ s5pc100_set_clksrc(init_parents[ptr]);
}
static struct clk *clks[] __initdata = {
&clk_ext_xtal_mux,
- &clk_mout_epll.clk,
- &clk_fout_epll,
+ &clk_mout_apll.clk,
+ &clk_dout_apll,
+ &clk_dout_d0_bus,
+ &clk_dout_pclkd0,
+ &clk_dout_apll2,
&clk_mout_mpll.clk,
+ &clk_mout_am.clk,
+ &clk_dout_d1_bus,
+ &clk_mout_onenand.clk,
+ &clk_dout_pclkd1,
+ &clk_dout_mpll2,
+ &clk_dout_cam,
&clk_dout_mpll,
+ &clk_mout_epll.clk,
+ &clk_fout_epll,
+ &clk_iis_cd0,
+ &clk_iis_cd1,
+ &clk_iis_cd2,
+ &clk_pcm_cd0,
+ &clk_pcm_cd1,
+ &clk_spi0.clk,
+ &clk_spi1.clk,
+ &clk_spi2.clk,
&clk_uart_uclk1.clk,
- &clk_ext,
- &clk_epll,
- &clk_27m,
- &clk_48m,
- &clk_54m,
+ &clk_audio0.clk,
+ &clk_audio1.clk,
+ &clk_audio2.clk,
+ &clk_spdif.clk,
+ &clk_lcd.clk,
+ &clk_fimc0.clk,
+ &clk_fimc1.clk,
+ &clk_fimc2.clk,
+ &clk_mmc0.clk,
+ &clk_mmc1.clk,
+ &clk_mmc2.clk,
+ &clk_usbhost.clk,
+ &clk_arm,
};
void __init s5pc100_register_clocks(void)
clkp->name, ret);
}
}
-
- clk_mpll.parent = &clk_mout_mpll.clk;
- clk_epll.parent = &clk_mout_epll.clk;
}
projects / profile / ivi / kernel-adaptation-intel-automotive.git / commitdiff