Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits)
  [ARM] 5435/1: fix compile warning in sanity_check_meminfo()
  [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx
  [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0
  [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins
  imxfb: Fix TFT mode
  i.MX21/27: remove ifdef CONFIG_FB_IMX
  imxfb: add clock support
  mxc: add arch_reset() function
  clkdev: add possibility to get a clock based on the device name
  i.MX1: remove fb support from mach-imx
  [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined
  Gemini: Add support for Teltonika RUT100
  Gemini: gpiolib based GPIO support v2
  MAINTAINERS: add myself as Gemini architecture maintainer
  ARM: Add Gemini architecture v3
  [ARM] OMAP: Fix compile for omap2_init_common_hw()
  MAINTAINERS: Add myself as Faraday ARM core variant maintainer
  ARM: Add support for FA526 v2
  [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h
  [ARM] collie: fix two minor formatting nits
  ...

1 files changed, 32 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 0ccc91c92c44..3126a35aa002 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -26,8 +26,9 @@
 #include <asm/mach/map.h>
 #include <asm/mach-types.h>
 
-#include <mach/pxa-regs.h>
 #include <mach/reset.h>
+#include <mach/gpio.h>
+#include <mach/pxa2xx-gpio.h>
 
 #include "generic.h"
 
@@ -127,3 +128,33 @@ void __init pxa_map_io(void)
         iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
         get_clk_frequency_khz(1);
 }
+
+/*
+ * Configure pins for GPIO or other functions
+ */
+int pxa_gpio_mode(int gpio_mode)
+{
+        unsigned long flags;
+        int gpio = gpio_mode & GPIO_MD_MASK_NR;
+        int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
+        int gafr;
+
+        if (gpio > pxa_last_gpio)
+                return -EINVAL;
+
+        local_irq_save(flags);
+        if (gpio_mode & GPIO_DFLT_LOW)
+                GPCR(gpio) = GPIO_bit(gpio);
+        else if (gpio_mode & GPIO_DFLT_HIGH)
+                GPSR(gpio) = GPIO_bit(gpio);
+        if (gpio_mode & GPIO_MD_MASK_DIR)
+                GPDR(gpio) |= GPIO_bit(gpio);
+        else
+                GPDR(gpio) &= ~GPIO_bit(gpio);
+        gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
+        GAFR(gpio) = gafr |  (fn  << (((gpio) & 0xf)*2));
+        local_irq_restore(flags);
+
+        return 0;
+}
+EXPORT_SYMBOL(pxa_gpio_mode);