[PATCH 5/8] ssb: add ssb_chipco_gpio_pull{up,down}
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: 2012-11-19 23:06:45
Also in:
linux-mips
Subsystem:
sonics silicon backplane driver (ssb), the rest · Maintainers:
Michael Buesch, Linus Torvalds
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> --- drivers/ssb/driver_chipcommon.c | 16 ++++++++++++++++ include/linux/ssb/ssb_driver_chipcommon.h | 2 ++ 2 files changed, 18 insertions(+)
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index e9d2ca1..4df4926 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)
diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index c2b02a5..c8d07c9 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h@@ -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,
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1.7.10.4