diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-11-20 22:24:31 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2012-11-21 21:55:52 +0100 |
| commit | da22f22e91f0d14d996c7258101575a5a06ddf85 (patch) | |
| tree | d10551775ef16fc8da8d49946d53c4bd9b5e2466 /drivers/ssb | |
| parent | cf0936b06d8e98a157630e99f647e2ff6d29d7ad (diff) | |
| download | lwn-da22f22e91f0d14d996c7258101575a5a06ddf85.tar.gz lwn-da22f22e91f0d14d996c7258101575a5a06ddf85.zip | |
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>
Diffstat (limited to 'drivers/ssb')
| -rw-r--r-- | drivers/ssb/driver_chipcommon.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index e9d2ca11283b..4df492665565 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -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) |