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>
---
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-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
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