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authorHauke Mehrtens <hauke@hauke-m.de>2012-11-20 23:24:31 +0100
committerJohn Crispin <blogic@openwrt.org>2012-11-21 21:55:52 +0100
commitda22f22e91f0d14d996c7258101575a5a06ddf85 (patch)
treed10551775ef16fc8da8d49946d53c4bd9b5e2466 /drivers/ssb
parentbcma: add GPIO driver (diff)
downloadlinux-da22f22e91f0d14d996c7258101575a5a06ddf85.tar.xz
linux-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.c16
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)