This patch adds I2C platform helpers required by s3c2440-i2c driver.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
obj-y += dev-audio.o
obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
+obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/s5pv210.h>
+#include <plat/iic-core.h>
/* Initial IO mappings */
void __init s5pv210_map_io(void)
{
iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
+
+ /* the i2c devices are directly compatible with s3c2440 */
+ s3c_i2c0_setname("s3c2440-i2c");
+ s3c_i2c1_setname("s3c2440-i2c");
+ s3c_i2c2_setname("s3c2440-i2c");
}
void __init s5pv210_init_clocks(int xtal)
#define S5P_PA_GPIO S5PV210_PA_GPIO
#define S5PV210_PA_IIC0 (0xE1800000)
+#define S5PV210_PA_IIC1 (0xFAB00000)
+#define S5PV210_PA_IIC2 (0xE1A00000)
#define S5PV210_PA_TIMER (0xE2500000)
#define S5P_PA_TIMER S5PV210_PA_TIMER
/* compatibiltiy defines. */
#define S3C_PA_UART S5PV210_PA_UART
#define S3C_PA_IIC S5PV210_PA_IIC0
+#define S3C_PA_IIC1 S5PV210_PA_IIC1
+#define S3C_PA_IIC2 S5PV210_PA_IIC2
#define S3C_PA_FB S5PV210_PA_FB
#endif /* __ASM_ARCH_MAP_H */
/* linux/arch/arm/mach-s5pv210/setup-i2c0.c
*
- * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* I2C0 GPIO configuration.
struct platform_device; /* don't need the contents */
+#include <mach/gpio.h>
#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
void s3c_i2c0_cfg_gpio(struct platform_device *dev)
{
- /* Will be populated later */
+ s3c_gpio_cfgpin(S5PV210_GPD1(0), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPD1(1), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(1), S3C_GPIO_PULL_UP);
}
--- /dev/null
+/* linux/arch/arm/mach-s5pv210/setup-i2c1.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * I2C1 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c1.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/kernel.h>
+#include <linux/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <mach/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c1_cfg_gpio(struct platform_device *dev)
+{
+ s3c_gpio_cfgpin(S5PV210_GPD1(2), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPD1(3), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(3), S3C_GPIO_PULL_UP);
+}
--- /dev/null
+/* linux/arch/arm/mach-s5pv210/setup-i2c2.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * I2C2 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c0.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/kernel.h>
+#include <linux/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <mach/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c2_cfg_gpio(struct platform_device *dev)
+{
+ s3c_gpio_cfgpin(S5PV210_GPD1(4), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(4), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPD1(5), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPD1(5), S3C_GPIO_PULL_UP);
+}
help
Compile in platform device definitions for I2C channel 1
+config S3C_DEV_I2C2
+ bool
+ help
+ Compile in platform device definitions for I2C channel 2
+
config S3C_DEV_FB
bool
help
obj-$(CONFIG_S3C_DEV_HWMON) += dev-hwmon.o
obj-y += dev-i2c0.o
obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_I2C2) += dev-i2c2.o
obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o
obj-y += dev-uart.o
obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
--- /dev/null
+/* linux/arch/arm/plat-s3c/dev-i2c2.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S3C series device definition for i2c device 2
+ *
+ * Based on plat-samsung/dev-i2c0.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/gfp.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_i2c_resource[] = {
+ [0] = {
+ .start = S3C_PA_IIC2,
+ .end = S3C_PA_IIC2 + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_CAN0,
+ .end = IRQ_CAN0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device s3c_device_i2c2 = {
+ .name = "s3c2410-i2c",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(s3c_i2c_resource),
+ .resource = s3c_i2c_resource,
+};
+
+static struct s3c2410_platform_i2c default_i2c_data2 __initdata = {
+ .flags = 0,
+ .bus_num = 2,
+ .slave_addr = 0x10,
+ .frequency = 100*1000,
+ .sda_delay = 100,
+};
+
+void __init s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *pd)
+{
+ struct s3c2410_platform_i2c *npd;
+
+ if (!pd)
+ pd = &default_i2c_data2;
+
+ npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
+ if (!npd)
+ printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+ else if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c2_cfg_gpio;
+
+ s3c_device_i2c2.dev.platform_data = npd;
+}
extern struct platform_device s3c_device_wdt;
extern struct platform_device s3c_device_i2c0;
extern struct platform_device s3c_device_i2c1;
+extern struct platform_device s3c_device_i2c2;
extern struct platform_device s3c_device_rtc;
extern struct platform_device s3c_device_adc;
extern struct platform_device s3c_device_sdi;
#endif
}
+static inline void s3c_i2c2_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_I2C2
+ s3c_device_i2c2.name = name;
+#endif
+}
+
#endif /* __ASM_ARCH_IIC_H */
*/
extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
+extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
/* defined by architecture to configure gpio */
extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
+extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
#endif /* __ASM_ARCH_IIC_H */
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff