ARM: S5P64X0: Modified files for SPI consolidation work
authorPadmavathi Venna <padma.v@samsung.com>
Fri, 23 Dec 2011 01:14:50 +0000 (10:14 +0900)
committerKukjin Kim <kgene.kim@samsung.com>
Fri, 23 Dec 2011 01:50:02 +0000 (10:50 +0900)
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Added SPI Setup file for GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
arch/arm/mach-s5p64x0/Kconfig
arch/arm/mach-s5p64x0/Makefile
arch/arm/mach-s5p64x0/include/mach/map.h
arch/arm/mach-s5p64x0/setup-spi.c [new file with mode: 0644]

index 18690c5..dd8c85e 100644 (file)
@@ -36,6 +36,11 @@ config S5P64X0_SETUP_I2C1
        help
          Common setup code for i2c bus 1.
 
+config S5P64X0_SETUP_SPI
+       bool
+       help
+         Common setup code for SPI GPIO configurations
+
 # machine support
 
 config MACH_SMDK6440
@@ -45,7 +50,6 @@ config MACH_SMDK6440
        select S3C_DEV_I2C1
        select S3C_DEV_RTC
        select S3C_DEV_WDT
-       select S3C64XX_DEV_SPI
        select SAMSUNG_DEV_ADC
        select SAMSUNG_DEV_BACKLIGHT
        select SAMSUNG_DEV_PWM
@@ -62,7 +66,6 @@ config MACH_SMDK6450
        select S3C_DEV_I2C1
        select S3C_DEV_RTC
        select S3C_DEV_WDT
-       select S3C64XX_DEV_SPI
        select SAMSUNG_DEV_ADC
        select SAMSUNG_DEV_BACKLIGHT
        select SAMSUNG_DEV_PWM
index e24d316..a7d7a49 100644 (file)
@@ -29,3 +29,4 @@ obj-y                         += dev-audio.o
 
 obj-$(CONFIG_S5P64X0_SETUP_I2C1)       += setup-i2c1.o
 obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP)   += setup-fb-24bpp.o
+obj-$(CONFIG_S5P64X0_SETUP_SPI)                += setup-spi.o
index 4d3ac8a..0c0175d 100644 (file)
@@ -67,6 +67,8 @@
 #define S3C_PA_RTC             S5P64X0_PA_RTC
 #define S3C_PA_WDT             S5P64X0_PA_WDT
 #define S3C_PA_FB              S5P64X0_PA_FB
+#define S3C_PA_SPI0            S5P64X0_PA_SPI0
+#define S3C_PA_SPI1            S5P64X0_PA_SPI1
 
 #define S5P_PA_CHIPID          S5P64X0_PA_CHIPID
 #define S5P_PA_SROMC           S5P64X0_PA_SROMC
diff --git a/arch/arm/mach-s5p64x0/setup-spi.c b/arch/arm/mach-s5p64x0/setup-spi.c
new file mode 100644 (file)
index 0000000..e9b8412
--- /dev/null
@@ -0,0 +1,55 @@
+/* linux/arch/arm/mach-s5p64x0/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 <linux/io.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/cpu.h>
+#include <plat/s3c64xx-spi.h>
+
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
+       .fifo_lvl_mask  = 0x1ff,
+       .rx_lvl_offset  = 15,
+       .tx_st_done     = 25,
+};
+
+int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
+{
+       if (soc_is_s5p6450())
+               s3c_gpio_cfgall_range(S5P6450_GPC(0), 3,
+                                       S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+       else
+               s3c_gpio_cfgall_range(S5P6440_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  = 15,
+       .tx_st_done     = 25,
+};
+
+int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
+{
+       if (soc_is_s5p6450())
+               s3c_gpio_cfgall_range(S5P6450_GPC(4), 3,
+                                       S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+       else
+               s3c_gpio_cfgall_range(S5P6440_GPC(4), 3,
+                                       S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+       return 0;
+}
+#endif