Commit ff916f25 authored by Kyungmin Park's avatar Kyungmin Park Committed by Ben Dooks

ARM: S5PC1XX: clocks reimplementation

Clocks hierarchy has been completely reimplemented to match the S5PC100
specification.
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 9ebaf2f4
......@@ -14,6 +14,7 @@ obj- :=
obj-y += dev-uart.o
obj-y += cpu.o
obj-y += irq.o
obj-y += clock.o
# CPU support
......
/* 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();
}
......@@ -55,6 +55,11 @@ static struct cpu_table cpu_ids[] __initdata = {
static struct map_desc s5pc1xx_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5PC1XX_VA_CLK_OTHER,
.pfn = __phys_to_pfn(S5PC1XX_PA_CLK_OTHER),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5PC1XX_VA_CHIPID,
.pfn = __phys_to_pfn(S5PC1XX_PA_CHIPID),
.length = SZ_16,
......
......@@ -35,10 +35,9 @@ extern struct clk clk_hpll;
extern struct clk clk_hd0;
extern struct clk clk_pd0;
extern struct clk clk_54m;
extern struct clk clk_dout_mpll2;
extern void s5pc1xx_register_clocks(void);
extern int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable);
extern int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable);
extern int s5pc100_sclk0_ctrl(struct clk *clk, int enable);
extern int s5pc100_sclk1_ctrl(struct clk *clk, int enable);
/* Some day, belows will be moved to plat-s5pc/include/plat/devs.h */
extern struct s3c24xx_uart_resources s5pc1xx_uart_resources[];
......
......@@ -49,6 +49,7 @@ static struct clk clk_ext_xtal_mux = {
#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;
......@@ -67,746 +68,327 @@ struct clksrc_clk {
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,
......@@ -833,85 +415,51 @@ static struct clksrc_clk clk_mout_epll = {
.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);
......@@ -925,7 +473,7 @@ static unsigned long s5pc1xx_getrate_clksrc(struct clk *clk)
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;
......@@ -938,14 +486,14 @@ static int s5pc1xx_setrate_clksrc(struct clk *clk, unsigned long rate)
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;
......@@ -970,7 +518,7 @@ static int s5pc1xx_setparent_clksrc(struct clk *clk, struct clk *parent)
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);
......@@ -992,16 +540,95 @@ static unsigned long s5pc1xx_roundrate_clksrc(struct clk *clk,
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,
......@@ -1011,16 +638,368 @@ static struct clksrc_clk clk_uart_uclk1 = {
.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);
......@@ -1036,9 +1015,9 @@ static void __init_or_cpufreq s5pc1xx_set_clksrc(struct clksrc_clk *clk)
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)
......@@ -1052,10 +1031,7 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
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;
......@@ -1064,8 +1040,7 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
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));
......@@ -1080,8 +1055,10 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
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);
......@@ -1090,33 +1067,64 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
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)
......@@ -1133,7 +1141,4 @@ void __init s5pc100_register_clocks(void)
clkp->name, ret);
}
}
clk_mpll.parent = &clk_mout_mpll.clk;
clk_epll.parent = &clk_mout_epll.clk;
}
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