From da22f22e91f0d14d996c7258101575a5a06ddf85 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Tue, 20 Nov 2012 22:24:31 +0000 Subject: 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 Patchwork: http://patchwork.linux-mips.org/patch/4589 Acked-by: Florian Fainelli --- drivers/ssb/driver_chipcommon.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/ssb') 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) -- cgit v1.2.3