[ARM] S3C64XX: Setup functions for i2c bus 1.

Add common gpio setup for i2c bus 1 on all current
S3C64XX architectures.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig
index 0bcbe663e2f0a6645f3d04a4fca3014b4828cdcd..9037eb470761530cec54260be6c9cc704b6e4138 100644 (file)
--- a/arch/arm/plat-s3c64xx/Kconfig
+++ b/arch/arm/plat-s3c64xx/Kconfig
@@ -48,4 +48,9 @@ config S3C64XX_SETUP_I2C0
          Note, currently since i2c0 is always compiled, this setup helper
          is always compiled with it.
 
+config S3C64XX_SETUP_I2C1
+       bool
+       help
+         Common setup code for i2c bus 1.
+
 endif

diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index 469f066daab74e8b3595557e2f3befe5c2ca873a..0a0b8c48a3e6f3ebb7ca088bb19e8395f7886aae 100644 (file)
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -27,3 +27,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK)       += s3c6400-clock.o
 # Device setup
 
 obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
+obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o

diff --git a/arch/arm/plat-s3c64xx/setup-i2c1.c b/arch/arm/plat-s3c64xx/setup-i2c1.c
new file mode 100644 (file)
index 0000000..bbe229b
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/setup-i2c1.c
@@ -0,0 +1,31 @@
+/* linux/arch/arm/plat-s3c64xx/setup-i2c1.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *     http://armlinux.simtec.co.uk/
+ *
+ * Base S3C64XX I2C bus 1 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.
+*/
+
+#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-bank-b.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c1_cfg_gpio(struct platform_device *dev)
+{
+       s3c_gpio_cfgpin(S3C64XX_GPB(2), S3C64XX_GPB2_I2C_SCL1);
+       s3c_gpio_cfgpin(S3C64XX_GPB(3), S3C64XX_GPB3_I2C_SDA1);
+       s3c_gpio_setpull(S3C64XX_GPB(2), S3C_GPIO_PULL_UP);
+       s3c_gpio_setpull(S3C64XX_GPB(3), S3C_GPIO_PULL_UP);
+}