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 <sebastian.hesselba...@gmail.com> Tested-by: Andrew Lunn <and...@lunn.ch> --- Cc: Linus Walleij <linus.wall...@linaro.org> Cc: Jason Cooper <ja...@lakedaemon.net> Cc: Andrew Lunn <and...@lunn.ch> Cc: Gregory Clement <gregory.clem...@free-electrons.com> Cc: Thomas Petazzoni <thomas.petazz...@free-electrons.com> Cc: Ezequiel Garcia <ezequiel.gar...@free-electrons.com> Cc: linux-arm-ker...@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/pinctrl/mvebu/pinctrl-kirkwood.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c index 6b504b5935a5..be8b2c9e2585 100644 --- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c +++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c @@ -21,6 +21,30 @@ #include "pinctrl-mvebu.h" +static void __iomem *mpp_base; + +static int kirkwood_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 kirkwood_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; +} + #define V(f6180, f6190, f6192, f6281, f6282, dx4122) \ ((f6180 << 0) | (f6190 << 1) | (f6192 << 2) | \ (f6281 << 3) | (f6282 << 4) | (dx4122 << 5)) -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/