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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: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4589
Acked-by: Florian Fainelli <florian@openwrt.org>
This commit is contained in:
Hauke Mehrtens 2012-11-20 22:24:31 +00:00 committed by John Crispin
parent cf0936b06d
commit da22f22e91
2 changed files with 18 additions and 0 deletions
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16
drivers/ssb/driver_chipcommon.c
View File

@ -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)

2
include/linux/ssb/ssb_driver_chipcommon.h
View File

@ -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,