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566b450c33
Some boards want to change low power state of pins on-the-fly, this function helps to facilitate that operation instead of switching back-n-forth between two configurations with pxa2xx_mfp_config(). Signed-off-by: Eric Miao <eric.miao@marvell.com> Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
134 lines
5.1 KiB
C
134 lines
5.1 KiB
C
#ifndef __ASM_ARCH_MFP_PXA2XX_H
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#define __ASM_ARCH_MFP_PXA2XX_H
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#include <asm/arch/mfp.h>
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/*
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* the following MFP_xxx bit definitions in mfp.h are re-used for pxa2xx:
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*
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* MFP_PIN(x)
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* MFP_AFx
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* MFP_LPM_DRIVE_{LOW, HIGH}
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* MFP_LPM_EDGE_x
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*
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* other MFP_x bit definitions will be ignored
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*
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* and adds the below two bits specifically for pxa2xx:
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*
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* bit 23 - Input/Output (PXA2xx specific)
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* bit 24 - Wakeup Enable(PXA2xx specific)
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*/
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#define MFP_DIR_IN (0x0 << 23)
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#define MFP_DIR_OUT (0x1 << 23)
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#define MFP_DIR_MASK (0x1 << 23)
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#define MFP_DIR(x) (((x) >> 23) & 0x1)
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#define MFP_LPM_CAN_WAKEUP (0x1 << 24)
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#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
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#define WAKEUP_ON_EDGE_FALL (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL)
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#define WAKEUP_ON_EDGE_BOTH (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH)
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/* specifically for enabling wakeup on keypad GPIOs */
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#define WAKEUP_ON_LEVEL_HIGH (MFP_LPM_CAN_WAKEUP)
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#define MFP_CFG_IN(pin, af) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\
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(MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_IN))
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/* NOTE: pins configured as output _must_ provide a low power state,
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* and this state should help to minimize the power dissipation.
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*/
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#define MFP_CFG_OUT(pin, af, state) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\
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(MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state))
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/* Common configurations for pxa25x and pxa27x
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*
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* Note: pins configured as GPIO are always initialized to input
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* so not to cause any side effect
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*/
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#define GPIO0_GPIO MFP_CFG_IN(GPIO0, AF0)
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#define GPIO1_GPIO MFP_CFG_IN(GPIO1, AF0)
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#define GPIO9_GPIO MFP_CFG_IN(GPIO9, AF0)
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#define GPIO10_GPIO MFP_CFG_IN(GPIO10, AF0)
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#define GPIO11_GPIO MFP_CFG_IN(GPIO11, AF0)
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#define GPIO12_GPIO MFP_CFG_IN(GPIO12, AF0)
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#define GPIO13_GPIO MFP_CFG_IN(GPIO13, AF0)
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#define GPIO14_GPIO MFP_CFG_IN(GPIO14, AF0)
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#define GPIO15_GPIO MFP_CFG_IN(GPIO15, AF0)
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#define GPIO16_GPIO MFP_CFG_IN(GPIO16, AF0)
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#define GPIO17_GPIO MFP_CFG_IN(GPIO17, AF0)
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#define GPIO18_GPIO MFP_CFG_IN(GPIO18, AF0)
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#define GPIO19_GPIO MFP_CFG_IN(GPIO19, AF0)
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#define GPIO20_GPIO MFP_CFG_IN(GPIO20, AF0)
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#define GPIO21_GPIO MFP_CFG_IN(GPIO21, AF0)
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#define GPIO22_GPIO MFP_CFG_IN(GPIO22, AF0)
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#define GPIO23_GPIO MFP_CFG_IN(GPIO23, AF0)
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#define GPIO24_GPIO MFP_CFG_IN(GPIO24, AF0)
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#define GPIO25_GPIO MFP_CFG_IN(GPIO25, AF0)
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#define GPIO26_GPIO MFP_CFG_IN(GPIO26, AF0)
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#define GPIO27_GPIO MFP_CFG_IN(GPIO27, AF0)
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#define GPIO28_GPIO MFP_CFG_IN(GPIO28, AF0)
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#define GPIO29_GPIO MFP_CFG_IN(GPIO29, AF0)
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#define GPIO30_GPIO MFP_CFG_IN(GPIO30, AF0)
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#define GPIO31_GPIO MFP_CFG_IN(GPIO31, AF0)
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#define GPIO32_GPIO MFP_CFG_IN(GPIO32, AF0)
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#define GPIO33_GPIO MFP_CFG_IN(GPIO33, AF0)
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#define GPIO34_GPIO MFP_CFG_IN(GPIO34, AF0)
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#define GPIO35_GPIO MFP_CFG_IN(GPIO35, AF0)
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#define GPIO36_GPIO MFP_CFG_IN(GPIO36, AF0)
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#define GPIO37_GPIO MFP_CFG_IN(GPIO37, AF0)
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#define GPIO38_GPIO MFP_CFG_IN(GPIO38, AF0)
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#define GPIO39_GPIO MFP_CFG_IN(GPIO39, AF0)
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#define GPIO40_GPIO MFP_CFG_IN(GPIO40, AF0)
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#define GPIO41_GPIO MFP_CFG_IN(GPIO41, AF0)
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#define GPIO42_GPIO MFP_CFG_IN(GPIO42, AF0)
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#define GPIO43_GPIO MFP_CFG_IN(GPIO43, AF0)
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#define GPIO44_GPIO MFP_CFG_IN(GPIO44, AF0)
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#define GPIO45_GPIO MFP_CFG_IN(GPIO45, AF0)
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#define GPIO46_GPIO MFP_CFG_IN(GPIO46, AF0)
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#define GPIO47_GPIO MFP_CFG_IN(GPIO47, AF0)
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#define GPIO48_GPIO MFP_CFG_IN(GPIO48, AF0)
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#define GPIO49_GPIO MFP_CFG_IN(GPIO49, AF0)
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#define GPIO50_GPIO MFP_CFG_IN(GPIO50, AF0)
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#define GPIO51_GPIO MFP_CFG_IN(GPIO51, AF0)
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#define GPIO52_GPIO MFP_CFG_IN(GPIO52, AF0)
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#define GPIO53_GPIO MFP_CFG_IN(GPIO53, AF0)
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#define GPIO54_GPIO MFP_CFG_IN(GPIO54, AF0)
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#define GPIO55_GPIO MFP_CFG_IN(GPIO55, AF0)
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#define GPIO56_GPIO MFP_CFG_IN(GPIO56, AF0)
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#define GPIO57_GPIO MFP_CFG_IN(GPIO57, AF0)
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#define GPIO58_GPIO MFP_CFG_IN(GPIO58, AF0)
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#define GPIO59_GPIO MFP_CFG_IN(GPIO59, AF0)
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#define GPIO60_GPIO MFP_CFG_IN(GPIO60, AF0)
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#define GPIO61_GPIO MFP_CFG_IN(GPIO61, AF0)
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#define GPIO62_GPIO MFP_CFG_IN(GPIO62, AF0)
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#define GPIO63_GPIO MFP_CFG_IN(GPIO63, AF0)
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#define GPIO64_GPIO MFP_CFG_IN(GPIO64, AF0)
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#define GPIO65_GPIO MFP_CFG_IN(GPIO65, AF0)
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#define GPIO66_GPIO MFP_CFG_IN(GPIO66, AF0)
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#define GPIO67_GPIO MFP_CFG_IN(GPIO67, AF0)
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#define GPIO68_GPIO MFP_CFG_IN(GPIO68, AF0)
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#define GPIO69_GPIO MFP_CFG_IN(GPIO69, AF0)
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#define GPIO70_GPIO MFP_CFG_IN(GPIO70, AF0)
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#define GPIO71_GPIO MFP_CFG_IN(GPIO71, AF0)
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#define GPIO72_GPIO MFP_CFG_IN(GPIO72, AF0)
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#define GPIO73_GPIO MFP_CFG_IN(GPIO73, AF0)
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#define GPIO74_GPIO MFP_CFG_IN(GPIO74, AF0)
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#define GPIO75_GPIO MFP_CFG_IN(GPIO75, AF0)
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#define GPIO76_GPIO MFP_CFG_IN(GPIO76, AF0)
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#define GPIO77_GPIO MFP_CFG_IN(GPIO77, AF0)
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#define GPIO78_GPIO MFP_CFG_IN(GPIO78, AF0)
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#define GPIO79_GPIO MFP_CFG_IN(GPIO79, AF0)
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#define GPIO80_GPIO MFP_CFG_IN(GPIO80, AF0)
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#define GPIO81_GPIO MFP_CFG_IN(GPIO81, AF0)
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#define GPIO82_GPIO MFP_CFG_IN(GPIO82, AF0)
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#define GPIO83_GPIO MFP_CFG_IN(GPIO83, AF0)
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#define GPIO84_GPIO MFP_CFG_IN(GPIO84, AF0)
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extern void pxa2xx_mfp_config(unsigned long *mfp_cfgs, int num);
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extern void pxa2xx_mfp_set_lpm(int mfp, unsigned long lpm);
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extern int gpio_set_wake(unsigned int gpio, unsigned int on);
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#endif /* __ASM_ARCH_MFP_PXA2XX_H */
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