We want to get rid of passing register addresses to common pinctrl driver, so provide set/get callbacks for generic mpp pins that will be used later.
Signed-off-by: Sebastian Hesselbarth <[email protected]> --- Cc: Linus Walleij <[email protected]> Cc: Jason Cooper <[email protected]> Cc: Andrew Lunn <[email protected]> Cc: Gregory Clement <[email protected]> Cc: Thomas Petazzoni <[email protected]> Cc: Ezequiel Garcia <[email protected]> Cc: [email protected] Cc: [email protected] --- drivers/pinctrl/mvebu/pinctrl-armada-370.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-370.c b/drivers/pinctrl/mvebu/pinctrl-armada-370.c index ae1f760cbdd2..bcde42ce598f 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-370.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-370.c @@ -23,6 +23,30 @@ #include "pinctrl-mvebu.h" +static void __iomem *mpp_base; + +static int armada_370_mpp_ctrl_get(unsigned pid, unsigned long *config) +{ + unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + + *config = (readl(mpp_base + off) >> shift) & MVEBU_MPP_MASK; + + return 0; +} + +static int armada_370_mpp_ctrl_set(unsigned pid, unsigned long config) +{ + unsigned off = (pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned shift = (pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned long reg; + + reg = readl(mpp_base + off) & ~(MVEBU_MPP_MASK << shift); + writel(reg | (config << shift), mpp_base + off); + + return 0; +} + static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = { MPP_MODE(0, MPP_FUNCTION(0x0, "gpio", NULL), -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
