Merge branch 'next-s3c64xx-device' into next-merged

Conflicts:

	arch/arm/mach-s3c2440/mach-at2440evb.c

6 files changed, 35 insertions, 176 deletions

diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index a8cfdefc29e9..1e0767b266b8 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -33,6 +33,9 @@ obj-$(CONFIG_S3C2410_CLOCK)	+= s3c2410-clock.o
 obj-$(CONFIG_S3C2410_DMA)       += dma.o
 obj-$(CONFIG_S3C24XX_ADC)       += adc.o
 
+# device specific setup and/or initialisation
+obj-$(CONFIG_ARCH_S3C2410)      += setup-i2c.o
+
 # SPI gpio central GPIO functions
 
 obj-$(CONFIG_S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13) += spi-bus0-gpe11_12_13.o
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 9826efb91e48..14d4f0bc1253 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -271,31 +271,6 @@ struct platform_device s3c_device_wdt = {
 
 EXPORT_SYMBOL(s3c_device_wdt);
 
-/* I2C */
-
-static struct resource s3c_i2c_resource[] = {
-        [0] = {
-                .start = S3C24XX_PA_IIC,
-                .end   = S3C24XX_PA_IIC + S3C24XX_SZ_IIC - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start = IRQ_IIC,
-                .end   = IRQ_IIC,
-                .flags = IORESOURCE_IRQ,
-        }
-
-};
-
-struct platform_device s3c_device_i2c = {
-        .name             = "s3c2410-i2c",
-        .id               = -1,
-        .num_resources    = ARRAY_SIZE(s3c_i2c_resource),
-        .resource         = s3c_i2c_resource,
-};
-
-EXPORT_SYMBOL(s3c_device_i2c);
-
 /* IIS */
 
 static struct resource s3c_iis_resource[] = {
@@ -411,36 +386,6 @@ struct platform_device s3c_device_sdi = {
 
 EXPORT_SYMBOL(s3c_device_sdi);
 
-/* High-speed MMC/SD */
-
-static struct resource s3c_hsmmc_resource[] = {
-        [0] = {
-                .start = S3C2443_PA_HSMMC,
-                .end   = S3C2443_PA_HSMMC + S3C2443_SZ_HSMMC - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start = IRQ_S3C2443_HSMMC,
-                .end   = IRQ_S3C2443_HSMMC,
-                .flags = IORESOURCE_IRQ,
-        }
-};
-
-static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
-
-struct platform_device s3c_device_hsmmc = {
-        .name             = "s3c-sdhci",
-        .id               = -1,
-        .num_resources    = ARRAY_SIZE(s3c_hsmmc_resource),
-        .resource         = s3c_hsmmc_resource,
-        .dev              = {
-                .dma_mask = &s3c_device_hsmmc_dmamask,
-                .coherent_dma_mask = 0xffffffffUL
-        }
-};
-
-
-
 /* SPI (0) */
 
 static struct resource s3c_spi0_resource[] = {
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
index b07c2d0dd533..f95c6c9d9f1a 100644
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -19,104 +19,12 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
+#include <plat/gpio-core.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
 #include <mach/regs-gpio.h>
 
-struct s3c24xx_gpio_chip {
-        struct gpio_chip        chip;
-        void __iomem            *base;
-};
-
-static inline struct s3c24xx_gpio_chip *to_s3c_chip(struct gpio_chip *gpc)
-{
-        return container_of(gpc, struct s3c24xx_gpio_chip, chip);
-}
-
-/* these routines are exported for use by other parts of the platform
- * and system support, but are not intended to be used directly by the
- * drivers themsevles.
- */
-
-static int s3c24xx_gpiolib_input(struct gpio_chip *chip, unsigned offset)
-{
-        struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-        void __iomem *base = ourchip->base;
-        unsigned long flags;
-        unsigned long con;
-
-        local_irq_save(flags);
-
-        con = __raw_readl(base + 0x00);
-        con &= ~(3 << (offset * 2));
-        con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
-
-        __raw_writel(con, base + 0x00);
-
-        local_irq_restore(flags);
-        return 0;
-}
-
-static int s3c24xx_gpiolib_output(struct gpio_chip *chip,
-                                  unsigned offset, int value)
-{
-        struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-        void __iomem *base = ourchip->base;
-        unsigned long flags;
-        unsigned long dat;
-        unsigned long con;
-
-        local_irq_save(flags);
-
-        dat = __raw_readl(base + 0x04);
-        dat &= ~(1 << offset);
-        if (value)
-                dat |= 1 << offset;
-        __raw_writel(dat, base + 0x04);
-
-        con = __raw_readl(base + 0x00);
-        con &= ~(3 << (offset * 2));
-        con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2);
-
-        __raw_writel(con, base + 0x00);
-        __raw_writel(dat, base + 0x04);
-
-        local_irq_restore(flags);
-        return 0;
-}
-
-static void s3c24xx_gpiolib_set(struct gpio_chip *chip,
-                                unsigned offset, int value)
-{
-        struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-        void __iomem *base = ourchip->base;
-        unsigned long flags;
-        unsigned long dat;
-
-        local_irq_save(flags);
-
-        dat = __raw_readl(base + 0x04);
-        dat &= ~(1 << offset);
-        if (value)
-                dat |= 1 << offset;
-        __raw_writel(dat, base + 0x04);
-
-        local_irq_restore(flags);
-}
-
-static int s3c24xx_gpiolib_get(struct gpio_chip *chip, unsigned offset)
-{
-        struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
-        unsigned long val;
-
-        val = __raw_readl(ourchip->base + 0x04);
-        val >>= offset;
-        val &= 1;
-
-        return val;
-}
-
 static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
 {
         return -EINVAL;
@@ -125,7 +33,7 @@ static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
 static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
                                         unsigned offset, int value)
 {
-        struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip);
+        struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
         void __iomem *base = ourchip->base;
         unsigned long flags;
         unsigned long dat;
@@ -151,7 +59,7 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
         return 0;
 }
 
-static struct s3c24xx_gpio_chip gpios[] = {
+struct s3c_gpio_chip s3c24xx_gpios[] = {
         [0] = {
                 .base   = S3C24XX_GPIO_BASE(S3C2410_GPA0),
                 .chip   = {
@@ -219,34 +127,13 @@ static struct s3c24xx_gpio_chip gpios[] = {
         },
 };
 
-static __init void s3c24xx_gpiolib_add(struct s3c24xx_gpio_chip *chip)
-{
-        struct gpio_chip *gc = &chip->chip;
-
-        BUG_ON(!chip->base);
-        BUG_ON(!gc->label);
-        BUG_ON(!gc->ngpio);
-
-        if (!gc->direction_input)
-                gc->direction_input = s3c24xx_gpiolib_input;
-        if (!gc->direction_output)
-                gc->direction_output = s3c24xx_gpiolib_output;
-        if (!gc->set)
-                gc->set = s3c24xx_gpiolib_set;
-        if (!gc->get)
-                gc->get = s3c24xx_gpiolib_get;
-
-        /* gpiochip_add() prints own failure message on error. */
-        gpiochip_add(gc);
-}
-
 static __init int s3c24xx_gpiolib_init(void)
 {
-        struct s3c24xx_gpio_chip *chip = gpios;
+        struct s3c_gpio_chip *chip = s3c24xx_gpios;
         int gpn;
 
-        for (gpn = 0; gpn < ARRAY_SIZE(gpios); gpn++, chip++)
-                s3c24xx_gpiolib_add(chip);
+        for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++)
+                s3c_gpiolib_add(chip);
 
         return 0;
 }
diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h
index e7be0c0d3702..fef8ea8b8e1e 100644
--- a/arch/arm/plat-s3c24xx/include/plat/map.h
+++ b/arch/arm/plat-s3c24xx/include/plat/map.h
@@ -51,7 +51,6 @@
 
 /* Standard size definitions for peripheral blocks. */
 
-#define S3C24XX_SZ_IIC          SZ_1M
 #define S3C24XX_SZ_IIS          SZ_1M
 #define S3C24XX_SZ_ADC          SZ_1M
 #define S3C24XX_SZ_SPI          SZ_1M
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index 494368403055..c1de6bb0101b 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -68,7 +68,7 @@ void __init s3c244x_map_io(void)
         /* rename any peripherals used differing from the s3c2410 */
 
         s3c_device_sdi.name  = "s3c2440-sdi";
-        s3c_device_i2c.name  = "s3c2440-i2c";
+        s3c_device_i2c0.name  = "s3c2440-i2c";
         s3c_device_nand.name = "s3c2440-nand";
         s3c_device_usbgadget.name = "s3c2440-usbgadget";
 }
diff --git a/arch/arm/plat-s3c24xx/setup-i2c.c b/arch/arm/plat-s3c24xx/setup-i2c.c
new file mode 100644
index 000000000000..d62b7e7fb355
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/setup-i2c.c
@@ -0,0 +1,25 @@
+/* linux/arch/arm/plat-s3c24xx/setup-i2c.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX Base setup for i2c device
+ *
+ * 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/kernel.h>
+
+struct platform_device;
+
+#include <plat/iic.h>
+#include <mach/hardware.h>
+#include <mach/regs-gpio.h>
+
+void s3c_i2c0_cfg_gpio(struct platform_device *dev)
+{
+        s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA);
+        s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL);
+}