renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-17 01:34:00 +08:00
Code

ARM: S5PC100: Modified files for SPI consolidation work

Browse Source 
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>
This commit is contained in:
Padmavathi Venna 2011-12-23 10:14:45 +09:00 committed by Kukjin Kim
parent 4566c7f761
commit 323d771745
6 changed files with 79 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-s5pc100/Kconfig
View File

@ -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

1
arch/arm/mach-s5pc100/Makefile
View File

@ -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

3
arch/arm/mach-s5pc100/include/mach/map.h
View File

@ -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

65
arch/arm/mach-s5pc100/setup-spi.c Normal file
View File

@ -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

3
arch/arm/plat-samsung/devs.c
View File

@ -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 */

2
arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
View File

@ -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 */