ARM: S5PV310: Add I2C channel 3, 4, 5, 6, and 7 device support

S5PV310 and S5PC210 support more I2C devices than previous SoCs.
Add the device support code for them.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

7 files changed, 145 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
index f12f560..1150b36 100644
--- a/arch/arm/mach-s5pv310/Kconfig
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -24,6 +24,31 @@ config S5PV310_SETUP_I2C2
 	help
 	  Common setup code for i2c bus 2.
 
+config S5PV310_SETUP_I2C3
+	bool
+	help
+	  Common setup code for i2c bus 3.
+
+config S5PV310_SETUP_I2C4
+	bool
+	help
+	  Common setup code for i2c bus 4.
+
+config S5PV310_SETUP_I2C5
+	bool
+	help
+	  Common setup code for i2c bus 5.
+
+config S5PV310_SETUP_I2C6
+	bool
+	help
+	  Common setup code for i2c bus 6.
+
+config S5PV310_SETUP_I2C7
+	bool
+	help
+	  Common setup code for i2c bus 7.
+
 config S5PV310_SETUP_SDHCI
 	bool
 	select S5PV310_SETUP_SDHCI_GPIO
diff --git a/arch/arm/mach-s5pv310/Makefile b/arch/arm/mach-s5pv310/Makefile
index c89b6b0..425cdd6 100644
--- a/arch/arm/mach-s5pv310/Makefile
+++ b/arch/arm/mach-s5pv310/Makefile
@@ -29,5 +29,10 @@ obj-$(CONFIG_MACH_UNIVERSAL_C210)	+= mach-universal_c210.o
 
 obj-$(CONFIG_S5PV310_SETUP_I2C1)	+= setup-i2c1.o
 obj-$(CONFIG_S5PV310_SETUP_I2C2)	+= setup-i2c2.o
+obj-$(CONFIG_S5PV310_SETUP_I2C3)	+= setup-i2c3.o
+obj-$(CONFIG_S5PV310_SETUP_I2C4)	+= setup-i2c4.o
+obj-$(CONFIG_S5PV310_SETUP_I2C5)	+= setup-i2c5.o
+obj-$(CONFIG_S5PV310_SETUP_I2C6)	+= setup-i2c6.o
+obj-$(CONFIG_S5PV310_SETUP_I2C7)	+= setup-i2c7.o
 obj-$(CONFIG_S5PV310_SETUP_SDHCI)	+= setup-sdhci.o
 obj-$(CONFIG_S5PV310_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
diff --git a/arch/arm/mach-s5pv310/setup-i2c3.c b/arch/arm/mach-s5pv310/setup-i2c3.c
new file mode 100644
index 0000000..180f153
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c3.c
@@ -0,0 +1,23 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c3.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C3 GPIO configuration.
+ *
+ * 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.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c3_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgall_range(S5PV310_GPA1(2), 2,
+			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/mach-s5pv310/setup-i2c4.c b/arch/arm/mach-s5pv310/setup-i2c4.c
new file mode 100644
index 0000000..909e8df
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c4.c
@@ -0,0 +1,23 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c4.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C4 GPIO configuration.
+ *
+ * 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.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c4_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgall_range(S5PV310_GPB(2), 2,
+			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/mach-s5pv310/setup-i2c5.c b/arch/arm/mach-s5pv310/setup-i2c5.c
new file mode 100644
index 0000000..5d0fa4a
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c5.c
@@ -0,0 +1,23 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c5.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C5 GPIO configuration.
+ *
+ * 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.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c5_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgall_range(S5PV310_GPB(6), 2,
+			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/mach-s5pv310/setup-i2c6.c b/arch/arm/mach-s5pv310/setup-i2c6.c
new file mode 100644
index 0000000..34aafab
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c6.c
@@ -0,0 +1,23 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c6.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C6 GPIO configuration.
+ *
+ * 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.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c6_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgall_range(S5PV310_GPC1(3), 2,
+			      S3C_GPIO_SFN(4), S3C_GPIO_PULL_UP);
+}
diff --git a/arch/arm/mach-s5pv310/setup-i2c7.c b/arch/arm/mach-s5pv310/setup-i2c7.c
new file mode 100644
index 0000000..9b25b8d
--- /dev/null
+++ b/arch/arm/mach-s5pv310/setup-i2c7.c
@@ -0,0 +1,23 @@
+/*
+ * linux/arch/arm/mach-s5pv310/setup-i2c7.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *
+ * I2C7 GPIO configuration.
+ *
+ * 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.
+*/
+
+struct platform_device; /* don't need the contents */
+
+#include <linux/gpio.h>
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c7_cfg_gpio(struct platform_device *dev)
+{
+	s3c_gpio_cfgall_range(S5PV310_GPD0(2), 2,
+			      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+}