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Commit da22f22e authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by John Crispin
Browse files

ssb: add ssb_chipco_gpio_pull{up,down} 



Add functions to access the GPIO registers for pullup and pulldown.
These are needed for handling gpio registration.

Signed-off-by: default avatarHauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4589


Acked-by: default avatarFlorian Fainelli <florian@openwrt.org>
parent cf0936b0

drivers/ssb/driver_chipcommon.c

+16 −0
Original line number Diff line number Diff line
@@ -442,6 +442,22 @@ u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) 
	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);

}



u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value)

{

	if (cc->dev->id.revision < 20)

		return 0xffffffff;



	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLUP, mask, value);

}



u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value)

{

	if (cc->dev->id.revision < 20)

		return 0xffffffff;



	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLDOWN, mask, value);

}



#ifdef CONFIG_SSB_SERIAL

int ssb_chipco_serial_init(struct ssb_chipcommon *cc,

			   struct ssb_serial_port *ports)

include/linux/ssb/ssb_driver_chipcommon.h

+2 −0
Original line number Diff line number Diff line
@@ -644,6 +644,8 @@ u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value); 
u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value);

u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value);

u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value);

u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value);

u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value);



#ifdef CONFIG_SSB_SERIAL

extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,