1 files changed, 133 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
new file mode 100644
index 00000000000..3e9211591e2
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
@@ -0,0 +1,133 @@
+#ifndef __ASM_ARCH_MFP_PXA2XX_H
+#define __ASM_ARCH_MFP_PXA2XX_H
+
+#include <mach/mfp.h>
+
+/*
+ * the following MFP_xxx bit definitions in mfp.h are re-used for pxa2xx:
+ *
+ *  MFP_PIN(x)
+ *  MFP_AFx
+ *  MFP_LPM_DRIVE_{LOW, HIGH}
+ *  MFP_LPM_EDGE_x
+ *
+ * other MFP_x bit definitions will be ignored
+ *
+ * and adds the below two bits specifically for pxa2xx:
+ *
+ * bit     23 - Input/Output (PXA2xx specific)
+ * bit     24 - Wakeup Enable(PXA2xx specific)
+ */
+
+#define MFP_DIR_IN              (0x0 << 23)
+#define MFP_DIR_OUT             (0x1 << 23)
+#define MFP_DIR_MASK            (0x1 << 23)
+#define MFP_DIR(x)              (((x) >> 23) & 0x1)
+
+#define MFP_LPM_CAN_WAKEUP      (0x1 << 24)
+#define WAKEUP_ON_EDGE_RISE     (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
+#define WAKEUP_ON_EDGE_FALL     (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL)
+#define WAKEUP_ON_EDGE_BOTH     (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH)
+
+/* specifically for enabling wakeup on keypad GPIOs */
+#define WAKEUP_ON_LEVEL_HIGH    (MFP_LPM_CAN_WAKEUP)
+
+#define MFP_CFG_IN(pin, af)             \
+        ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\
+         (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_IN))
+
+/* NOTE:  pins configured as output _must_ provide a low power state,
+ * and this state should help to minimize the power dissipation.
+ */
+#define MFP_CFG_OUT(pin, af, state)     \
+        ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\
+         (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state))
+
+/* Common configurations for pxa25x and pxa27x
+ *
+ * Note: pins configured as GPIO are always initialized to input
+ * so not to cause any side effect
+ */
+#define GPIO0_GPIO      MFP_CFG_IN(GPIO0, AF0)
+#define GPIO1_GPIO      MFP_CFG_IN(GPIO1, AF0)
+#define GPIO9_GPIO      MFP_CFG_IN(GPIO9, AF0)
+#define GPIO10_GPIO     MFP_CFG_IN(GPIO10, AF0)
+#define GPIO11_GPIO     MFP_CFG_IN(GPIO11, AF0)
+#define GPIO12_GPIO     MFP_CFG_IN(GPIO12, AF0)
+#define GPIO13_GPIO     MFP_CFG_IN(GPIO13, AF0)
+#define GPIO14_GPIO     MFP_CFG_IN(GPIO14, AF0)
+#define GPIO15_GPIO     MFP_CFG_IN(GPIO15, AF0)
+#define GPIO16_GPIO     MFP_CFG_IN(GPIO16, AF0)
+#define GPIO17_GPIO     MFP_CFG_IN(GPIO17, AF0)
+#define GPIO18_GPIO     MFP_CFG_IN(GPIO18, AF0)
+#define GPIO19_GPIO     MFP_CFG_IN(GPIO19, AF0)
+#define GPIO20_GPIO     MFP_CFG_IN(GPIO20, AF0)
+#define GPIO21_GPIO     MFP_CFG_IN(GPIO21, AF0)
+#define GPIO22_GPIO     MFP_CFG_IN(GPIO22, AF0)
+#define GPIO23_GPIO     MFP_CFG_IN(GPIO23, AF0)
+#define GPIO24_GPIO     MFP_CFG_IN(GPIO24, AF0)
+#define GPIO25_GPIO     MFP_CFG_IN(GPIO25, AF0)
+#define GPIO26_GPIO     MFP_CFG_IN(GPIO26, AF0)
+#define GPIO27_GPIO     MFP_CFG_IN(GPIO27, AF0)
+#define GPIO28_GPIO     MFP_CFG_IN(GPIO28, AF0)
+#define GPIO29_GPIO     MFP_CFG_IN(GPIO29, AF0)
+#define GPIO30_GPIO     MFP_CFG_IN(GPIO30, AF0)
+#define GPIO31_GPIO     MFP_CFG_IN(GPIO31, AF0)
+#define GPIO32_GPIO     MFP_CFG_IN(GPIO32, AF0)
+#define GPIO33_GPIO     MFP_CFG_IN(GPIO33, AF0)
+#define GPIO34_GPIO     MFP_CFG_IN(GPIO34, AF0)
+#define GPIO35_GPIO     MFP_CFG_IN(GPIO35, AF0)
+#define GPIO36_GPIO     MFP_CFG_IN(GPIO36, AF0)
+#define GPIO37_GPIO     MFP_CFG_IN(GPIO37, AF0)
+#define GPIO38_GPIO     MFP_CFG_IN(GPIO38, AF0)
+#define GPIO39_GPIO     MFP_CFG_IN(GPIO39, AF0)
+#define GPIO40_GPIO     MFP_CFG_IN(GPIO40, AF0)
+#define GPIO41_GPIO     MFP_CFG_IN(GPIO41, AF0)
+#define GPIO42_GPIO     MFP_CFG_IN(GPIO42, AF0)
+#define GPIO43_GPIO     MFP_CFG_IN(GPIO43, AF0)
+#define GPIO44_GPIO     MFP_CFG_IN(GPIO44, AF0)
+#define GPIO45_GPIO     MFP_CFG_IN(GPIO45, AF0)
+#define GPIO46_GPIO     MFP_CFG_IN(GPIO46, AF0)
+#define GPIO47_GPIO     MFP_CFG_IN(GPIO47, AF0)
+#define GPIO48_GPIO     MFP_CFG_IN(GPIO48, AF0)
+#define GPIO49_GPIO     MFP_CFG_IN(GPIO49, AF0)
+#define GPIO50_GPIO     MFP_CFG_IN(GPIO50, AF0)
+#define GPIO51_GPIO     MFP_CFG_IN(GPIO51, AF0)
+#define GPIO52_GPIO     MFP_CFG_IN(GPIO52, AF0)
+#define GPIO53_GPIO     MFP_CFG_IN(GPIO53, AF0)
+#define GPIO54_GPIO     MFP_CFG_IN(GPIO54, AF0)
+#define GPIO55_GPIO     MFP_CFG_IN(GPIO55, AF0)
+#define GPIO56_GPIO     MFP_CFG_IN(GPIO56, AF0)
+#define GPIO57_GPIO     MFP_CFG_IN(GPIO57, AF0)
+#define GPIO58_GPIO     MFP_CFG_IN(GPIO58, AF0)
+#define GPIO59_GPIO     MFP_CFG_IN(GPIO59, AF0)
+#define GPIO60_GPIO     MFP_CFG_IN(GPIO60, AF0)
+#define GPIO61_GPIO     MFP_CFG_IN(GPIO61, AF0)
+#define GPIO62_GPIO     MFP_CFG_IN(GPIO62, AF0)
+#define GPIO63_GPIO     MFP_CFG_IN(GPIO63, AF0)
+#define GPIO64_GPIO     MFP_CFG_IN(GPIO64, AF0)
+#define GPIO65_GPIO     MFP_CFG_IN(GPIO65, AF0)
+#define GPIO66_GPIO     MFP_CFG_IN(GPIO66, AF0)
+#define GPIO67_GPIO     MFP_CFG_IN(GPIO67, AF0)
+#define GPIO68_GPIO     MFP_CFG_IN(GPIO68, AF0)
+#define GPIO69_GPIO     MFP_CFG_IN(GPIO69, AF0)
+#define GPIO70_GPIO     MFP_CFG_IN(GPIO70, AF0)
+#define GPIO71_GPIO     MFP_CFG_IN(GPIO71, AF0)
+#define GPIO72_GPIO     MFP_CFG_IN(GPIO72, AF0)
+#define GPIO73_GPIO     MFP_CFG_IN(GPIO73, AF0)
+#define GPIO74_GPIO     MFP_CFG_IN(GPIO74, AF0)
+#define GPIO75_GPIO     MFP_CFG_IN(GPIO75, AF0)
+#define GPIO76_GPIO     MFP_CFG_IN(GPIO76, AF0)
+#define GPIO77_GPIO     MFP_CFG_IN(GPIO77, AF0)
+#define GPIO78_GPIO     MFP_CFG_IN(GPIO78, AF0)
+#define GPIO79_GPIO     MFP_CFG_IN(GPIO79, AF0)
+#define GPIO80_GPIO     MFP_CFG_IN(GPIO80, AF0)
+#define GPIO81_GPIO     MFP_CFG_IN(GPIO81, AF0)
+#define GPIO82_GPIO     MFP_CFG_IN(GPIO82, AF0)
+#define GPIO83_GPIO     MFP_CFG_IN(GPIO83, AF0)
+#define GPIO84_GPIO     MFP_CFG_IN(GPIO84, AF0)
+
+extern void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num);
+extern void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm);
+extern int gpio_set_wake(unsigned int gpio, unsigned int on);
+#endif /* __ASM_ARCH_MFP_PXA2XX_H */