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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 09:13:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 09:13:19 -0700
commit636d17427b1ef0e97bd9df9b3b0e0f314ff889d3 (patch)
treef573602c1a78e9140c36e220c47675b79af1c270 /arch/arm/mach-s5pc100/setup-keypad.c
parentdd21e9bdff14a9882f2c485fe533c6ce64ea2675 (diff)
parent0b019a41553a919965bb02d07d54e3e6c57a796d (diff)
downloadtalos-op-linux-636d17427b1ef0e97bd9df9b3b0e0f314ff889d3.tar.gz
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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (226 commits) ARM: 6323/1: cam60: don't use __init for cam60_spi_{flash_platform_data,partitions} ARM: 6324/1: cam60: move cam60_spi_devices to .init.data ARM: 6322/1: imx/pca100: Fix name of spi platform data ARM: 6321/1: fix syntax error in main Kconfig file ARM: 6297/1: move U300 timer to dynamic clock lookup ARM: 6296/1: clock U300 intcon and timer properly ARM: 6295/1: fix U300 apb_pclk split ARM: 6306/1: fix inverted MMC card detect in U300 ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID ARM: 6294/1: etm: do a dummy read from OSSRR during initialization ARM: 6292/1: coresight: add ETM management registers ARM: 6288/1: ftrace: document mcount formats ARM: 6287/1: ftrace: clean up mcount assembly indentation ARM: 6286/1: fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR" ARM: 6281/1: video/imxfb.c: allow usage without BACKLIGHT_CLASS_DEVICE ARM: 6280/1: imx: Fix build failure when including <mach/gpio.h> without <linux/spinlock.h> ARM: S5PV210: Fix on missing s3c-sdhci card detection method for hsmmc3 ARM: S5P: Fix on missing S5P_DEV_FIMC in plat-s5p/Kconfig ARM: S5PV210: Override FIMC driver name on Aquila board ARM: S5PC100: enable FIMC on SMDKC100 ... Fix up conflicts in arch/arm/mach-{s5pc100,s5pv210}/cpu.c due to different subsystem 'setname' calls, and trivial port types in include/linux/serial_core.h
Diffstat (limited to 'arch/arm/mach-s5pc100/setup-keypad.c')
-rw-r--r--arch/arm/mach-s5pc100/setup-keypad.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/setup-keypad.c b/arch/arm/mach-s5pc100/setup-keypad.c
new file mode 100644
index 000000000000..d0837a72a58e
--- /dev/null
+++ b/arch/arm/mach-s5pc100/setup-keypad.c
@@ -0,0 +1,34 @@
+/* linux/arch/arm/mach-s5pc100/setup-keypad.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * GPIO configuration for S5PC100 KeyPad device
+ *
+ * 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 <plat/gpio-cfg.h>
+
+void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
+{
+ unsigned int gpio;
+ unsigned int end;
+
+ /* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
+ end = S5PC100_GPH3(rows);
+ for (gpio = S5PC100_GPH3(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ /* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
+ end = S5PC100_GPH2(cols);
+ for (gpio = S5PC100_GPH2(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+}
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