From da22f22e91f0d14d996c7258101575a5a06ddf85 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
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 <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4589
Acked-by: Florian Fainelli <florian@openwrt.org>
---
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 v1.2.3-70-g09d2