diff options
author | Ben Dooks <ben@simtec.co.uk> | 2009-08-03 12:26:50 -0400 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2009-08-13 20:26:09 -0400 |
commit | a2c195fdde20772a90ee98ce3523dcfbda49eee6 (patch) | |
tree | 9c54f3bb7083095688dee32ead4ec2c5bdf32896 /arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c | |
parent | d91e9a7ab93e09e5a0fbed73f3a6a330f14620a4 (diff) |
ARM: S3C24XX: Add SPI bus 1 on GPD8 through GPD10
Add configuration callback for SPI bus 1 on GPD[8..10] and ensure the
correct GPIO configuration register definitions in regs-gpio.h
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c')
-rw-r--r-- | arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c b/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c new file mode 100644 index 000000000000..89fcf5308cf6 --- /dev/null +++ b/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c | |||
@@ -0,0 +1,38 @@ | |||
1 | /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.c | ||
2 | * | ||
3 | * Copyright (c) 2008 Simtec Electronics | ||
4 | * http://armlinux.simtec.co.uk/ | ||
5 | * Ben Dooks <ben@simtec.co.uk> | ||
6 | * | ||
7 | * S3C24XX SPI - gpio configuration for bus 1 on gpd8,9,10 | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License. | ||
12 | */ | ||
13 | |||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/gpio.h> | ||
16 | |||
17 | #include <mach/spi.h> | ||
18 | #include <mach/regs-gpio.h> | ||
19 | |||
20 | void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi, | ||
21 | int enable) | ||
22 | { | ||
23 | |||
24 | printk(KERN_INFO "%s(%d)\n", __func__, enable); | ||
25 | if (enable) { | ||
26 | s3c2410_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1); | ||
27 | s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1); | ||
28 | s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1); | ||
29 | s3c2410_gpio_pullup(S3C2410_GPD(10), 0); | ||
30 | s3c2410_gpio_pullup(S3C2410_GPD(9), 0); | ||
31 | } else { | ||
32 | s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT); | ||
33 | s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT); | ||
34 | s3c2410_gpio_pullup(S3C2410_GPD(10), 1); | ||
35 | s3c2410_gpio_pullup(S3C2410_GPD(9), 1); | ||
36 | s3c2410_gpio_pullup(S3C2410_GPD(8), 1); | ||
37 | } | ||
38 | } | ||