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authorBen Dooks <ben@simtec.co.uk>2009-08-03 12:26:50 -0400
committerBen Dooks <ben-linux@fluff.org>2009-08-13 20:26:09 -0400
commita2c195fdde20772a90ee98ce3523dcfbda49eee6 (patch)
tree9c54f3bb7083095688dee32ead4ec2c5bdf32896 /arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c
parentd91e9a7ab93e09e5a0fbed73f3a6a330f14620a4 (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.c38
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
20void 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}