From 323d7717455e7709a2c923f42349bf2ed36992a3 Mon Sep 17 00:00:00 2001 From: Padmavathi Venna Date: Fri, 23 Dec 2011 10:14:45 +0900 Subject: ARM: S5PC100: Modified files for SPI consolidation work 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 Signed-off-by: Kukjin Kim --- arch/arm/mach-s5pc100/setup-spi.c | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/arm/mach-s5pc100/setup-spi.c (limited to 'arch/arm/mach-s5pc100/setup-spi.c') diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c new file mode 100644 index 000000000000..431a6f747caa --- /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 +#include + +#include +#include + +#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 -- cgit v1.2.3