summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/mfp-pxa2xx.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/mfp-pxa2xx.h')
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.h b/arch/arm/mach-pxa/mfp-pxa2xx.h
new file mode 100644
index 000000000000..cbf51ae81855
--- /dev/null
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.h
@@ -0,0 +1,142 @@
+#ifndef __ASM_ARCH_MFP_PXA2XX_H
+#define __ASM_ARCH_MFP_PXA2XX_H
+
+#include <plat/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)
+ * bit 25 - Keep Output (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)
+
+/*
+ * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to
+ * retain their last output level (low or high).
+ * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input.
+ */
+#define MFP_LPM_KEEP_OUTPUT (0x1 << 25)
+
+#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 */