[PATCH v2 09/21] pinctrl: mvebu: dove: provide generic mpp callbacks
From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth)
Date: 2014-01-28 00:40:55
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Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, pin control subsystem, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Walleij, Linus Torvalds
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@gmail.com> --- Cc: Jason Cooper <redacted> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Gregory Clement <redacted> Cc: Thomas Petazzoni <redacted> Cc: Linus Walleij <redacted> 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),
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1.8.5.2