Merge branch for-rmk-devel of git://aeryn.fluff.org.uk/bjdooks/linux into devel

12 files changed, 333 insertions, 9 deletions

diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-s3c/include/plat/adc.h
index 43df2a404b0..d847bd476b6 100644
--- a/arch/arm/plat-s3c/include/plat/adc.h
+++ b/arch/arm/plat-s3c/include/plat/adc.h
@@ -19,10 +19,12 @@ struct s3c_adc_client;
 extern int s3c_adc_start(struct s3c_adc_client *client,
 			 unsigned int channel, unsigned int nr_samples);
 
-extern struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
-					       void (*select)(unsigned selected),
-					       void (*conv)(unsigned d0, unsigned d1),
-					       unsigned int is_ts);
+extern struct s3c_adc_client *
+	s3c_adc_register(struct platform_device *pdev,
+			 void (*select)(unsigned selected),
+			 void (*conv)(unsigned d0, unsigned d1,
+				      unsigned *samples_left),
+			 unsigned int is_ts);
 
 extern void s3c_adc_release(struct s3c_adc_client *client);
 
diff --git a/arch/arm/plat-s3c/include/plat/clock.h b/arch/arm/plat-s3c/include/plat/clock.h
index a10622eed43..d86af84b5b8 100644
--- a/arch/arm/plat-s3c/include/plat/clock.h
+++ b/arch/arm/plat-s3c/include/plat/clock.h
@@ -50,6 +50,7 @@ extern struct clk clk_xtal;
 extern struct clk clk_ext;
 
 /* S3C64XX specific clocks */
+extern struct clk clk_h2;
 extern struct clk clk_27m;
 extern struct clk clk_48m;
 
diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-s3c/include/plat/cpu.h
index e62ae0fcfe5..be541cbba07 100644
--- a/arch/arm/plat-s3c/include/plat/cpu.h
+++ b/arch/arm/plat-s3c/include/plat/cpu.h
@@ -69,3 +69,6 @@ extern struct sysdev_class s3c2412_sysclass;
 extern struct sysdev_class s3c2440_sysclass;
 extern struct sysdev_class s3c2442_sysclass;
 extern struct sysdev_class s3c2443_sysclass;
+extern struct sysdev_class s3c6410_sysclass;
+extern struct sysdev_class s3c64xx_sysclass;
+
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 26f0cec3ac0..a0b6768fddc 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -45,6 +45,7 @@ extern struct platform_device s3c_device_spi1;
 extern struct platform_device s3c_device_nand;
 
 extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usb_hsotg;
 
 /* s3c2440 specific devices */
 
diff --git a/arch/arm/plat-s3c/include/plat/dma-core.h b/arch/arm/plat-s3c/include/plat/dma-core.h
new file mode 100644
index 00000000000..32ff2a92cb3
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/dma-core.h
@@ -0,0 +1,22 @@
+/* arch/arm/plat-s3c/include/plat/dma.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * Samsung S3C DMA core support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+extern struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel);
+
+extern struct s3c2410_dma_chan *s3c_dma_chan_map[];
+
+/* the currently allocated channel information */
+extern struct s3c2410_dma_chan s3c2410_chans[];
+
+
diff --git a/arch/arm/plat-s3c/include/plat/dma.h b/arch/arm/plat-s3c/include/plat/dma.h
new file mode 100644
index 00000000000..34dba98f08e
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/dma.h
@@ -0,0 +1,127 @@
+/* arch/arm/plat-s3c/include/plat/dma.h
+ *
+ * Copyright (C) 2003,2004,2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Samsung S3C DMA support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+enum s3c2410_dma_buffresult {
+	S3C2410_RES_OK,
+	S3C2410_RES_ERR,
+	S3C2410_RES_ABORT
+};
+
+enum s3c2410_dmasrc {
+	S3C2410_DMASRC_HW,		/* source is memory */
+	S3C2410_DMASRC_MEM		/* source is hardware */
+};
+
+/* enum s3c2410_chan_op
+ *
+ * operation codes passed to the DMA code by the user, and also used
+ * to inform the current channel owner of any changes to the system state
+*/
+
+enum s3c2410_chan_op {
+	S3C2410_DMAOP_START,
+	S3C2410_DMAOP_STOP,
+	S3C2410_DMAOP_PAUSE,
+	S3C2410_DMAOP_RESUME,
+	S3C2410_DMAOP_FLUSH,
+	S3C2410_DMAOP_TIMEOUT,		/* internal signal to handler */
+	S3C2410_DMAOP_STARTED,		/* indicate channel started */
+};
+
+struct s3c2410_dma_client {
+	char                *name;
+};
+
+struct s3c2410_dma_chan;
+
+/* s3c2410_dma_cbfn_t
+ *
+ * buffer callback routine type
+*/
+
+typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *,
+				   void *buf, int size,
+				   enum s3c2410_dma_buffresult result);
+
+typedef int  (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
+				   enum s3c2410_chan_op );
+
+
+
+/* s3c2410_dma_request
+ *
+ * request a dma channel exclusivley
+*/
+
+extern int s3c2410_dma_request(unsigned int channel,
+			       struct s3c2410_dma_client *, void *dev);
+
+
+/* s3c2410_dma_ctrl
+ *
+ * change the state of the dma channel
+*/
+
+extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
+
+/* s3c2410_dma_setflags
+ *
+ * set the channel's flags to a given state
+*/
+
+extern int s3c2410_dma_setflags(unsigned int channel,
+				unsigned int flags);
+
+/* s3c2410_dma_free
+ *
+ * free the dma channel (will also abort any outstanding operations)
+*/
+
+extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
+
+/* s3c2410_dma_enqueue
+ *
+ * place the given buffer onto the queue of operations for the channel.
+ * The buffer must be allocated from dma coherent memory, or the Dcache/WB
+ * drained before the buffer is given to the DMA system.
+*/
+
+extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
+			       dma_addr_t data, int size);
+
+/* s3c2410_dma_config
+ *
+ * configure the dma channel
+*/
+
+extern int s3c2410_dma_config(unsigned int channel, int xferunit);
+
+/* s3c2410_dma_devconfig
+ *
+ * configure the device we're talking to
+*/
+
+extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source,
+				 unsigned long devaddr);
+
+/* s3c2410_dma_getposition
+ *
+ * get the position that the dma transfer is currently at
+*/
+
+extern int s3c2410_dma_getposition(unsigned int channel,
+				   dma_addr_t *src, dma_addr_t *dest);
+
+extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
+extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
+
+
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h
index 2fc60a580ac..32af612767a 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-core.h
+++ b/arch/arm/plat-s3c/include/plat/gpio-core.h
@@ -20,6 +20,18 @@
  * specific code.
 */
 
+struct s3c_gpio_chip;
+
+/**
+ * struct s3c_gpio_pm - power management (suspend/resume) information
+ * @save: Routine to save the state of the GPIO block
+ * @resume: Routine to resume the GPIO block.
+ */
+struct s3c_gpio_pm {
+	void (*save)(struct s3c_gpio_chip *chip);
+	void (*resume)(struct s3c_gpio_chip *chip);
+};
+
 struct s3c_gpio_cfg;
 
 /**
@@ -27,6 +39,7 @@ struct s3c_gpio_cfg;
  * @chip: The chip structure to be exported via gpiolib.
  * @base: The base pointer to the gpio configuration registers.
  * @config: special function and pull-resistor control information.
+ * @pm_save: Save information for suspend/resume support.
  *
  * This wrapper provides the necessary information for the Samsung
  * specific gpios being registered with gpiolib.
@@ -34,7 +47,11 @@ struct s3c_gpio_cfg;
 struct s3c_gpio_chip {
 	struct gpio_chip	chip;
 	struct s3c_gpio_cfg	*config;
+	struct s3c_gpio_pm	*pm;
 	void __iomem		*base;
+#ifdef CONFIG_PM
+	u32			pm_save[4];
+#endif
 };
 
 static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
@@ -75,3 +92,16 @@ static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
 
 static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
 #endif
+
+#ifdef CONFIG_PM
+extern struct s3c_gpio_pm s3c_gpio_pm_1bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_2bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_4bit;
+#define __gpio_pm(x) x
+#else
+#define s3c_gpio_pm_1bit NULL
+#define s3c_gpio_pm_2bit NULL
+#define s3c_gpio_pm_4bit NULL
+#define __gpio_pm(x) NULL
+
+#endif /* CONFIG_PM */
diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h
index 3779775133a..7a797192fcf 100644
--- a/arch/arm/plat-s3c/include/plat/pm.h
+++ b/arch/arm/plat-s3c/include/plat/pm.h
@@ -44,6 +44,8 @@ extern void (*pm_cpu_sleep)(void);
 
 extern unsigned long s3c_pm_flags;
 
+extern unsigned char pm_uart_udivslot;  /* true to save UART UDIVSLOT */
+
 /* from sleep.S */
 
 extern int  s3c_cpu_save(unsigned long *saveblk);
@@ -88,6 +90,7 @@ struct pm_uart_save {
 	u32	ufcon;
 	u32	umcon;
 	u32	ubrdiv;
+	u32	udivslot;
 };
 
 /* helper functions to save/restore lists of registers. */
@@ -124,6 +127,18 @@ extern void s3c_pm_dbg(const char *msg, ...);
 #define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
 #endif
 
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+/**
+ * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
+ * @set: set bits for the state of the LEDs
+ * @clear: clear bits for the state of the LEDs.
+ */
+extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
+
+#else
+static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
+#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
+
 /* suspend memory checking */
 
 #ifdef CONFIG_S3C2410_PM_CHECK
diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h
index 487d7d2a7e1..66af75a5cdd 100644
--- a/arch/arm/plat-s3c/include/plat/regs-serial.h
+++ b/arch/arm/plat-s3c/include/plat/regs-serial.h
@@ -189,6 +189,11 @@
 
 #define S3C2443_DIVSLOT		  (0x2C)
 
+/* S3C64XX interrupt registers. */
+#define S3C64XX_UINTP		0x30
+#define S3C64XX_UINTSP		0x34
+#define S3C64XX_UINTM		0x38
+
 #ifndef __ASSEMBLY__
 
 /* struct s3c24xx_uart_clksrc
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
index c4ca3920ca4..f615308ccdf 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -67,12 +67,52 @@ extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
 
 /* Helper function availablity */
 
+extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+
+/* S3C6400 SDHCI setup */
+
+#ifdef CONFIG_S3C6400_SETUP_SDHCI
+extern char *s3c6400_hsmmc_clksrcs[4];
+
+#ifdef CONFIG_S3C_DEV_HSMMC
+extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
+					 void __iomem *r,
+					 struct mmc_ios *ios,
+					 struct mmc_card *card);
+
+static inline void s3c6400_default_sdhci0(void)
+{
+	s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
+	s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+#endif  /* CONFIG_S3C_DEV_HSMMC */
+
+#ifdef CONFIG_S3C_DEV_HSMMC1
+static inline void s3c6400_default_sdhci1(void)
+{
+	s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
+	s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+#else
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC1 */
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C6400_SETUP_SDHCI */
+
+/* S3C6410 SDHCI setup */
+
 #ifdef CONFIG_S3C6410_SETUP_SDHCI
 extern char *s3c6410_hsmmc_clksrcs[4];
 
-extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
-extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
-
 extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
 					   void __iomem *r,
 					   struct mmc_ios *ios,
@@ -82,7 +122,7 @@ extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
 static inline void s3c6410_default_sdhci0(void)
 {
 	s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
-	s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
+	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
 	s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
 }
 #else
@@ -93,7 +133,7 @@ static inline void s3c6410_default_sdhci0(void) { }
 static inline void s3c6410_default_sdhci1(void)
 {
 	s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
-	s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio;
+	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
 	s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
 }
 #else
diff --git a/arch/arm/plat-s3c/include/plat/udc-hs.h b/arch/arm/plat-s3c/include/plat/udc-hs.h
new file mode 100644
index 00000000000..dd04db04310
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/udc-hs.h
@@ -0,0 +1,29 @@
+/* arch/arm/plat-s3c/include/plat/udc-hs.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C USB2.0 High-speed / OtG platform information
+ *
+ * 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.
+*/
+
+enum s3c_hostg_dmamode {
+	S3C_HSOTG_DMA_NONE,	/* do not use DMA at-all */
+	S3C_HSOTG_DMA_ONLY,	/* always use DMA */
+	S3C_HSOTG_DMA_DRV,	/* DMA is chosen by driver */
+};
+
+/**
+ * struct s3c_hsotg_plat - platform data for high-speed otg/udc
+ * @dma: Whether to use DMA or not.
+ * @is_osc: The clock source is an oscillator, not a crystal
+ */
+struct s3c_hsotg_plat {
+	enum s3c_hostg_dmamode	dma;
+	unsigned int		is_osc : 1;
+};
diff --git a/arch/arm/plat-s3c/include/plat/watchdog-reset.h b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
new file mode 100644
index 00000000000..54b762acb5a
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
@@ -0,0 +1,49 @@
+/* arch/arm/plat-s3c/include/plat/watchdog-reset.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - System define for arch_reset() function
+ *
+ * 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 <plat/regs-watchdog.h>
+#include <mach/map.h>
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+static inline void arch_wdt_reset(void)
+{
+	struct clk *wdtclk;
+
+	printk("arch_reset: attempting watchdog reset\n");
+
+	__raw_writel(0, S3C2410_WTCON);	  /* disable watchdog, to be safe  */
+
+	wdtclk = clk_get(NULL, "watchdog");
+	if (!IS_ERR(wdtclk)) {
+		clk_enable(wdtclk);
+	} else
+		printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+
+	/* put initial values into count and data */
+	__raw_writel(0x80, S3C2410_WTCNT);
+	__raw_writel(0x80, S3C2410_WTDAT);
+
+	/* set the watchdog to go and reset... */
+	__raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
+		     S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
+
+	/* wait for reset to assert... */
+	mdelay(500);
+
+	printk(KERN_ERR "Watchdog reset failed to assert reset\n");
+
+	/* delay to allow the serial port to show the message */
+	mdelay(50);
+}