16 files changed, 248 insertions, 3 deletions

diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 0b5833b9ac5b..210030d5cfe1 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -16,6 +16,7 @@
 #include <linux/platform_device.h>
 #include <linux/sched.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/interrupt.h>
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 1b25c9d8c403..8bf79f3efdfb 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -376,6 +376,21 @@ void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
         }
 }
 
+/**
+ * s3c_disable_clocks() - disable an array of clocks
+ * @clkp: Pointer to the first clock in the array.
+ * @nr_clks: Number of clocks to register.
+ *
+ * for internal use only at initialisation time. disable the clocks in the
+ * @clkp array.
+ */
+
+void __init s3c_disable_clocks(struct clk *clkp, int nr_clks)
+{
+        for (; nr_clks > 0; nr_clks--, clkp++)
+                (clkp->enable)(clkp, 0);
+}
+
 /* initalise all the clocks */
 
 int __init s3c24xx_register_baseclocks(unsigned long xtal)
diff --git a/arch/arm/plat-samsung/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c
index a90198fc4b0f..002a15f313f3 100644
--- a/arch/arm/plat-samsung/dev-fb.c
+++ b/arch/arm/plat-samsung/dev-fb.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <linux/platform_device.h>
 #include <linux/fb.h>
+#include <linux/gfp.h>
 
 #include <mach/irqs.h>
 #include <mach/map.h>
diff --git a/arch/arm/plat-samsung/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c
index 4c761529b949..3a601c16f03c 100644
--- a/arch/arm/plat-samsung/dev-i2c0.c
+++ b/arch/arm/plat-samsung/dev-i2c0.c
@@ -11,6 +11,7 @@
  * published by the Free Software Foundation.
 */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
diff --git a/arch/arm/plat-samsung/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c
index d44f79110506..858ee2a0414c 100644
--- a/arch/arm/plat-samsung/dev-i2c1.c
+++ b/arch/arm/plat-samsung/dev-i2c1.c
@@ -11,6 +11,7 @@
  * published by the Free Software Foundation.
 */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
diff --git a/arch/arm/plat-samsung/dev-nand.c b/arch/arm/plat-samsung/dev-nand.c
index a52fb6cf618f..3a7b8891ba4f 100644
--- a/arch/arm/plat-samsung/dev-nand.c
+++ b/arch/arm/plat-samsung/dev-nand.c
@@ -6,6 +6,7 @@
  * published by the Free Software Foundation.
 */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 
diff --git a/arch/arm/plat-samsung/dev-usb.c b/arch/arm/plat-samsung/dev-usb.c
index 88165657fa53..0e0a3bf5c982 100644
--- a/arch/arm/plat-samsung/dev-usb.c
+++ b/arch/arm/plat-samsung/dev-usb.c
@@ -11,6 +11,7 @@
  * published by the Free Software Foundation.
 */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 44a84e896546..3282db360fa8 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -1,7 +1,7 @@
 /* linux/arch/arm/plat-s3c/gpio-config.c
  *
  * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
+ * Copyright 2008-2010 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
  *      http://armlinux.simtec.co.uk/
  *
@@ -41,6 +41,26 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
 }
 EXPORT_SYMBOL(s3c_gpio_cfgpin);
 
+unsigned s3c_gpio_getcfg(unsigned int pin)
+{
+        struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
+        unsigned long flags;
+        unsigned ret = 0;
+        int offset;
+
+        if (chip) {
+                offset = pin - chip->chip.base;
+
+                local_irq_save(flags);
+                ret = s3c_gpio_do_getcfg(chip, offset);
+                local_irq_restore(flags);
+        }
+
+        return ret;
+}
+EXPORT_SYMBOL(s3c_gpio_getcfg);
+
+
 int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
 {
         struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
@@ -61,8 +81,8 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
 EXPORT_SYMBOL(s3c_gpio_setpull);
 
 #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
-int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
-                                  unsigned int off, unsigned int cfg)
+int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
+                              unsigned int off, unsigned int cfg)
 {
         void __iomem *reg = chip->base;
         unsigned int shift = off;
@@ -87,6 +107,19 @@ int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
         return 0;
 }
 
+unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
+                                   unsigned int off)
+{
+        u32 con;
+
+        con = __raw_readl(chip->base);
+        con >>= off;
+        con &= 1;
+        con++;
+
+        return S3C_GPIO_SFN(con);
+}
+
 int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
                             unsigned int off, unsigned int cfg)
 {
@@ -109,6 +142,19 @@ int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
 
         return 0;
 }
+
+unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
+                                     unsigned int off)
+{
+        u32 con;
+
+        con = __raw_readl(chip->base);
+        con >>= off * 2;
+        con &= 3;
+
+        /* this conversion works for IN and OUT as well as special mode */
+        return S3C_GPIO_SPECIAL(con);
+}
 #endif
 
 #ifdef CONFIG_S3C_GPIO_CFG_S3C64XX
@@ -134,6 +180,25 @@ int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
 
         return 0;
 }
+
+unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
+                                      unsigned int off)
+{
+        void __iomem *reg = chip->base;
+        unsigned int shift = (off & 7) * 4;
+        u32 con;
+
+        if (off < 8 && chip->chip.ngpio > 8)
+                reg -= 4;
+
+        con = __raw_readl(reg);
+        con >>= shift;
+        con &= 0xf;
+
+        /* this conversion works for IN and OUT as well as special mode */
+        return S3C_GPIO_SPECIAL(con);
+}
+
 #endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */
 
 #ifdef CONFIG_S3C_GPIO_PULL_UPDOWN
@@ -164,3 +229,35 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
         return (__force s3c_gpio_pull_t)pup;
 }
 #endif
+
+#ifdef CONFIG_S3C_GPIO_PULL_UP
+int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
+                         unsigned int off, s3c_gpio_pull_t pull)
+{
+        void __iomem *reg = chip->base + 0x08;
+        u32 pup = __raw_readl(reg);
+
+        pup = __raw_readl(reg);
+
+        if (pup == S3C_GPIO_PULL_UP)
+                pup &= ~(1 << off);
+        else if (pup == S3C_GPIO_PULL_NONE)
+                pup |= (1 << off);
+        else
+                return -EINVAL;
+
+        __raw_writel(pup, reg);
+        return 0;
+}
+
+s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
+                                     unsigned int off)
+{
+        void __iomem *reg = chip->base + 0x08;
+        u32 pup = __raw_readl(reg);
+
+        pup &= (1 << off);
+        return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP;
+}
+#endif /* CONFIG_S3C_GPIO_PULL_UP */
+
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
index 60b62692ac7a..12caf48a6bdc 100644
--- a/arch/arm/plat-samsung/include/plat/clock.h
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -91,6 +91,7 @@ extern int s3c24xx_register_clock(struct clk *clk);
 extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
 
 extern void s3c_register_clocks(struct clk *clk, int nr_clks);
+extern void s3c_disable_clocks(struct clk *clkp, int nr_clks);
 
 extern int s3c24xx_register_baseclocks(unsigned long xtal);
 
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index d316b4a579f4..5dbeb7991e60 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -73,6 +73,7 @@ extern struct sys_timer s3c24xx_timer;
 extern struct sysdev_class s3c2410_sysclass;
 extern struct sysdev_class s3c2410a_sysclass;
 extern struct sysdev_class s3c2412_sysclass;
+extern struct sysdev_class s3c2416_sysclass;
 extern struct sysdev_class s3c2440_sysclass;
 extern struct sysdev_class s3c2442_sysclass;
 extern struct sysdev_class s3c2443_sysclass;
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index dda19da037ad..3e21c75feefa 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -30,6 +30,12 @@ static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip,
         return (chip->config->set_config)(chip, off, config);
 }
 
+static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip,
+                                          unsigned int off)
+{
+        return (chip->config->get_config)(chip, off);
+}
+
 static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
                                       unsigned int off, s3c_gpio_pull_t pull)
 {
@@ -53,6 +59,18 @@ extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
                                    unsigned int off, unsigned int cfg);
 
 /**
+ * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read.
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ *
+ * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg
+ * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the
+ * S3C_GPIO_SPECIAL() macro.
+ */
+unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
+                                     unsigned int off);
+
+/**
  * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
  * @chip: The gpio chip that is being configured.
  * @off: The offset for the GPIO being configured.
@@ -65,6 +83,21 @@ extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
 extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
                                      unsigned int off, unsigned int cfg);
 
+
+/**
+ * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A)
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ *
+ * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable
+ * GPIO configuration value.
+ *
+ * @sa s3c_gpio_getcfg_s3c24xx
+ * @sa s3c_gpio_getcfg_s3c64xx_4bit
+ */
+extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
+                                          unsigned int off);
+
 /**
  * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
  * @chip: The gpio chip that is being configured.
@@ -85,6 +118,20 @@ extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
                                         unsigned int off, unsigned int cfg);
 
 
+/**
+ * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read.
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ *
+ * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration
+ * register setting into a value the software can use, such as could be passed
+ * to s3c_gpio_setcfg_s3c64xx_4bit().
+ *
+ * @sa s3c_gpio_getcfg_s3c24xx
+ */
+extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
+                                             unsigned int off);
+
 /* Pull-{up,down} resistor controls.
  *
  * S3C2410,S3C2440,S3C24A0 = Pull-UP,
@@ -146,6 +193,17 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
                                                unsigned int off);
 
 /**
+ * s3c_gpio_getpull_1up() - Get configuration for choice of up or none
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-up resistor for the
+ * given GPIO in the same case as s3c_gpio_setpull_1up.
+*/
+extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
+                                            unsigned int off);
+
+/**
  * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
  * @chip: The gpio chip that is being configured.
  * @off: The offset for the GPIO being configured.
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 29cd6a86cade..8d01e853df39 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -77,6 +77,17 @@ struct s3c_gpio_cfg {
  */
 extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
 
+/**
+ * s3c_gpio_getcfg - Read the current function for a GPIO pin
+ * @pin: The pin to read the configuration value for.
+ *
+ * Read the configuration state of the given @pin, returning a value that
+ * could be passed back to s3c_gpio_cfgpin().
+ *
+ * @sa s3c_gpio_cfgpin
+ */
+extern unsigned s3c_gpio_getcfg(unsigned int pin);
+
 /* Define values for the pull-{up,down} available for each gpio pin.
  *
  * These values control the state of the weak pull-{up,down} resistors
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 49ff406a7066..f0584f26d493 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -108,6 +108,9 @@ extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
 extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
 extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
 
+/* exported for core SoC support to change */
+extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default;
+
 #ifdef CONFIG_S3C_GPIO_TRACK
 extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
 
diff --git a/arch/arm/plat-samsung/include/plat/pll6553x.h b/arch/arm/plat-samsung/include/plat/pll6553x.h
new file mode 100644
index 000000000000..b8b7e1d884f8
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/pll6553x.h
@@ -0,0 +1,51 @@
+/* arch/arm/plat-samsung/include/plat/pll6553x.h
+ *      partially from arch/arm/mach-s3c64xx/include/mach/pll.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Samsung PLL6553x PLL code
+ *
+ * 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.
+*/
+
+/* S3C6400 and compatible (S3C2416, etc.) EPLL code */
+
+#define PLL6553X_MDIV_MASK      ((1 << (23-16)) - 1)
+#define PLL6553X_PDIV_MASK      ((1 << (13-8)) - 1)
+#define PLL6553X_SDIV_MASK      ((1 << (2-0)) - 1)
+#define PLL6553X_MDIV_SHIFT     (16)
+#define PLL6553X_PDIV_SHIFT     (8)
+#define PLL6553X_SDIV_SHIFT     (0)
+#define PLL6553X_KDIV_MASK      (0xffff)
+
+static inline unsigned long s3c_get_pll6553x(unsigned long baseclk,
+                                             u32 pll0, u32 pll1)
+{
+        unsigned long result;
+        u32 mdiv, pdiv, sdiv, kdiv;
+        u64 tmp;
+
+        mdiv = (pll0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK;
+        pdiv = (pll0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK;
+        sdiv = (pll0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK;
+        kdiv = pll1 & PLL6553X_KDIV_MASK;
+
+        /* We need to multiple baseclk by mdiv (the integer part) and kdiv
+         * which is in 2^16ths, so shift mdiv up (does not overflow) and
+         * add kdiv before multiplying. The use of tmp is to avoid any
+         * overflows before shifting bac down into result when multipling
+         * by the mdiv and kdiv pair.
+         */
+
+        tmp = baseclk;
+        tmp *= (mdiv << 16) + kdiv;
+        do_div(tmp, (pdiv << sdiv));
+        result = tmp >> 16;
+
+        return result;
+}
diff --git a/arch/arm/plat-samsung/pm-check.c b/arch/arm/plat-samsung/pm-check.c
index 0b5bb774192a..e4baf76f374a 100644
--- a/arch/arm/plat-samsung/pm-check.c
+++ b/arch/arm/plat-samsung/pm-check.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/crc32.h>
 #include <linux/ioport.h>
+#include <linux/slab.h>
 
 #include <plat/pm.h>
 
diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c
index f2d11390d01c..2eeb49fa056d 100644
--- a/arch/arm/plat-samsung/pwm.c
+++ b/arch/arm/plat-samsung/pwm.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>