6 files changed, 66 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 5552e048c2be..43881862c22c 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -77,6 +77,11 @@ config S3C64XX_SETUP_SDHCI_GPIO
         help
           Common setup code for S3C64XX SDHCI GPIO configurations
 
+config S3C64XX_SETUP_SPI
+        bool
+        help
+         Common setup code for SPI GPIO configurations
+
 # S36400 Macchine support
 
 config MACH_SMDK6400
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index d1d0f09f3b30..d7d9bb5dfb72 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o
 obj-$(CONFIG_S3C64XX_SETUP_KEYPAD) += setup-keypad.o
 obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
 obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
+obj-$(CONFIG_S3C64XX_SETUP_SPI) += setup-spi.o
 
 # PM
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
index 23a1d71e4d53..8e2097bb208a 100644
--- a/arch/arm/mach-s3c64xx/include/mach/map.h
+++ b/arch/arm/mach-s3c64xx/include/mach/map.h
@@ -115,6 +115,8 @@
 #define S3C_PA_USB_HSOTG        S3C64XX_PA_USB_HSOTG
 #define S3C_PA_RTC              S3C64XX_PA_RTC
 #define S3C_PA_WDT              S3C64XX_PA_WATCHDOG
+#define S3C_PA_SPI0             S3C64XX_PA_SPI0
+#define S3C_PA_SPI1             S3C64XX_PA_SPI1
 
 #define SAMSUNG_PA_ADC          S3C64XX_PA_ADC
 #define SAMSUNG_PA_CFCON        S3C64XX_PA_CFCON
diff --git a/arch/arm/mach-s3c64xx/setup-spi.c b/arch/arm/mach-s3c64xx/setup-spi.c
new file mode 100644
index 000000000000..d9592ad7a825
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/setup-spi.c
@@ -0,0 +1,45 @@
+/* linux/arch/arm/mach-s3c64xx/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,
+        .tx_st_done     = 21,
+};
+
+int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgall_range(S3C64XX_GPC(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,
+        .tx_st_done     = 21,
+};
+
+int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
+{
+        s3c_gpio_cfgall_range(S3C64XX_GPC(4), 3,
+                                S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+        return 0;
+}
+#endif
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 8b27e61d0345..080ea18d3f94 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1498,6 +1498,9 @@ void __init s3c64xx_spi0_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_spi0_cfg_gpio;
+
         s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi0);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI0 */
@@ -1537,6 +1540,9 @@ void __init s3c64xx_spi1_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_spi1_cfg_gpio;
+
         s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi1);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI1 */
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index effca5394d19..d3e2209c8099 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -71,4 +71,11 @@ extern void s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
                                       int src_clk_nr, int num_cs);
 extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
                                       int src_clk_nr, int num_cs);
+
+/* 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 struct s3c64xx_spi_info s3c64xx_spi0_pdata;
+extern struct s3c64xx_spi_info s3c64xx_spi1_pdata;
 #endif /* __S3C64XX_PLAT_SPI_H */