summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
diff options
context:
space:
mode:
authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
downloadkernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.gz
kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.xz
kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.zip
fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c')
-rw-r--r--arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
new file mode 100644
index 00000000000..704175b0573
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
@@ -0,0 +1,36 @@
+/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C24XX SPI - gpio configuration for bus 0 on gpe11,12,13
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+*/
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+
+#include <mach/spi.h>
+#include <mach/regs-gpio.h>
+
+void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
+ int enable)
+{
+ if (enable) {
+ s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0);
+ s3c_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0);
+ s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0);
+ s3c2410_gpio_pullup(S3C2410_GPE(11), 0);
+ s3c2410_gpio_pullup(S3C2410_GPE(13), 0);
+ } else {
+ s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT);
+ s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT);
+ s3c_gpio_setpull(S3C2410_GPE(11), S3C_GPIO_PULL_NONE);
+ s3c_gpio_setpull(S3C2410_GPE(12), S3C_GPIO_PULL_NONE);
+ s3c_gpio_setpull(S3C2410_GPE(13), S3C_GPIO_PULL_NONE);
+ }
+}