[PATCH v2 09/21] pinctrl: mvebu: dove: provide generic mpp callbacks

[Sebastian Hesselbarth]

We want to get rid of passing register addresses to common pinctrl
driver, so provide set/get callbacks for generic mpp pins.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
---
Cc: Jason Cooper <jason at lakedaemon.net>
Cc: Andrew Lunn <andrew at lunn.ch>
Cc: Gregory Clement <gregory.clement at free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Cc: Linus Walleij <linus.walleij at linaro.org>
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
 drivers/pinctrl/mvebu/pinctrl-dove.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 4d051ba17fee..cd55f2ca4e8a 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -57,6 +57,30 @@
 
 static void __iomem *mpp_base;
 
+static int dove_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
+			     unsigned long *config)
+{
+	unsigned off = (ctrl->pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
+	unsigned shift = (ctrl->pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
+
+	*config = (readl(mpp_base + off) >> shift) & MVEBU_MPP_MASK;
+
+	return 0;
+}
+
+static int dove_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
+			     unsigned long config)
+{
+	unsigned off = (ctrl->pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS;
+	unsigned shift = (ctrl->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 int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
 				 unsigned long *config)
 {
@@ -374,7 +398,7 @@ static struct mvebu_mpp_ctrl dove_mpp_controls[] = {
 	MPP_FUNC_CTRL(13, 13, "mpp13", dove_pmu_mpp_ctrl),
 	MPP_FUNC_CTRL(14, 14, "mpp14", dove_pmu_mpp_ctrl),
 	MPP_FUNC_CTRL(15, 15, "mpp15", dove_pmu_mpp_ctrl),
-	MPP_REG_CTRL(16, 23),
+	MPP_FUNC_CTRL(16, 23, NULL, dove_mpp_ctrl),
 	MPP_FUNC_CTRL(24, 39, "mpp_camera", dove_mpp4_ctrl),
 	MPP_FUNC_CTRL(40, 45, "mpp_sdio0", dove_mpp4_ctrl),
 	MPP_FUNC_CTRL(46, 51, "mpp_sdio1", dove_mpp4_ctrl),
-- 
1.8.5.2