6 files changed, 79 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig
index e538a4c67e9..75a26eaf263 100644
--- a/arch/arm/mach-s5pc100/Kconfig
+++ b/arch/arm/mach-s5pc100/Kconfig
@@ -45,6 +45,11 @@ config S5PC100_SETUP_SDHCI_GPIO
         help
           Common setup code for SDHCI gpio.
 
+config S5PC100_SETUP_SPI
+        bool
+        help
+          Common setup code for SPI GPIO configurations.
+
 config MACH_SMDKC100
         bool "SMDKC100"
         select CPU_S5PC100
diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile
index 238a836b3f7..291e246c0ec 100644
--- a/arch/arm/mach-s5pc100/Makefile
+++ b/arch/arm/mach-s5pc100/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_S5PC100_SETUP_I2C1)	+= setup-i2c1.o
 obj-$(CONFIG_S5PC100_SETUP_IDE)         += setup-ide.o
 obj-$(CONFIG_S5PC100_SETUP_KEYPAD)      += setup-keypad.o
 obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO)  += setup-sdhci-gpio.o
+obj-$(CONFIG_S5PC100_SETUP_SPI) += setup-spi.o
 
 # device support
 obj-y                           += dev-audio.o
diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
index ccbe6b767f7..54bc4f82e17 100644
--- a/arch/arm/mach-s5pc100/include/mach/map.h
+++ b/arch/arm/mach-s5pc100/include/mach/map.h
@@ -100,6 +100,9 @@
 #define S3C_PA_USB_HSOTG                S5PC100_PA_USB_HSOTG
 #define S3C_PA_USB_HSPHY                S5PC100_PA_USB_HSPHY
 #define S3C_PA_WDT                      S5PC100_PA_WATCHDOG
+#define S3C_PA_SPI0                     S5PC100_PA_SPI0
+#define S3C_PA_SPI1                     S5PC100_PA_SPI1
+#define S3C_PA_SPI2                     S5PC100_PA_SPI2
 
 #define S5P_PA_CHIPID                   S5PC100_PA_CHIPID
 #define S5P_PA_FIMC0                    S5PC100_PA_FIMC0
diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c
new file mode 100644
index 00000000000..431a6f747ca
--- /dev/null
+++ b/arch/arm/mach-s5pc100/setup-spi.c
@@ -0,0 +1,65 @@
+/* linux/arch/arm/mach-s5pc100/setup-spi.c
+ *
+ * Copyright (C) 2011 Samsung Electronics Ltd.
+ *              http://www.samsung.com/
+ *
+ * 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/gpio.h>
+#include <linux/platform_device.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/s3c64xx-spi.h>
+
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
+        .fifo_lvl_mask  = 0x7f,
+        .rx_lvl_offset  = 13,
+        .high_speed     = 1,
+        .tx_st_done     = 21,
+};
+
+int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
+                                S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+        return 0;
+}
+#endif
+
+#ifdef CONFIG_S3C64XX_DEV_SPI1
+struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
+        .fifo_lvl_mask  = 0x7f,
+        .rx_lvl_offset  = 13,
+        .high_speed     = 1,
+        .tx_st_done     = 21,
+};
+
+int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
+                                S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+        return 0;
+}
+#endif
+
+#ifdef CONFIG_S3C64XX_DEV_SPI2
+struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = {
+        .fifo_lvl_mask  = 0x7f,
+        .rx_lvl_offset  = 13,
+        .high_speed     = 1,
+        .tx_st_done     = 21,
+};
+
+int s3c64xx_spi2_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
+        s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
+        s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
+                                S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+        return 0;
+}
+#endif
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 080ea18d3f9..de0d88d6a0f 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1582,6 +1582,9 @@ void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
 
         pd->num_cs = num_cs;
         pd->src_clk_nr = src_clk_nr;
+        if (!pd->cfg_gpio)
+                pd->cfg_gpio = s3c64xx_spi2_cfg_gpio;
+
         s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI2 */
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index d3e2209c809..aea68b60ef9 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -75,7 +75,9 @@ extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
 /* defined by architecture to configure gpio */
 extern int s3c64xx_spi0_cfg_gpio(struct platform_device *dev);
 extern int s3c64xx_spi1_cfg_gpio(struct platform_device *dev);
+extern int s3c64xx_spi2_cfg_gpio(struct platform_device *dev);
 
 extern struct s3c64xx_spi_info s3c64xx_spi0_pdata;
 extern struct s3c64xx_spi_info s3c64xx_spi1_pdata;
+extern struct s3c64xx_spi_info s3c64xx_spi2_pdata;
 #endif /* __S3C64XX_PLAT_SPI_H */