From da22f22e91f0d14d996c7258101575a5a06ddf85 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Tue, 20 Nov 2012 22:24:31 +0000 Subject: [PATCH] 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 ++++++++++++++++ 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 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) diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index c2b02a5c86ae..c8d07c95d76e 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, -- 2.20.1