pinctrl: mvebu: armada-38x: add ptp functions

The latest version of the Armada 38x datasheet documents several new
PTP related functions on various MPP pins. This commit adds the
description of these new functions to the Armada 38x pinctrl driver as
well as to its DT binding documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 9 insertions, 6 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-38x-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-38x-pinctrl.txt
index 4330676f890d..54ec4c0a0d0e 100644
--- a/Documentation/devicetree/bindings/pinctrl/marvell,armada-38x-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-38x-pinctrl.txt
@@ -66,9 +66,9 @@ mpp47         47       gpio, sata0(prsnt), sata1(prsnt), sata2(prsnt) [2], sata3
 mpp48         48       gpio, sata0(prsnt), dram(vttctrl), tdm(pclk), audio(mclk), sd0(d4), pcie0(clkreq)
 mpp49         49       gpio, sata2(prsnt) [2], sata3(prsnt) [2], tdm(fsync), audio(lrclk), sd0(d5), pcie1(clkreq)
 mpp50         50       gpio, pcie0(rstout), tdm(drx), audio(extclk), sd0(cmd)
-mpp51         51       gpio, tdm(dtx), audio(sdo), dram(deccerr)
-mpp52         52       gpio, pcie0(rstout), tdm(int), audio(sdi), sd0(d6)
-mpp53         53       gpio, sata1(prsnt), sata0(prsnt), tdm(rst), audio(bclk), sd0(d7)
+mpp51         51       gpio, tdm(dtx), audio(sdo), dram(deccerr), ptp(trig)
+mpp52         52       gpio, pcie0(rstout), tdm(int), audio(sdi), sd0(d6), ptp(clk)
+mpp53         53       gpio, sata1(prsnt), sata0(prsnt), tdm(rst), audio(bclk), sd0(d7), ptp(evreq)
 mpp54         54       gpio, sata0(prsnt), sata1(prsnt), pcie0(rstout), ge0(txerr), sd0(d3)
 mpp55         55       gpio, ua1(cts), ge(mdio), pcie1(clkreq) [1], spi1(cs1), sd0(d0), ua1(rxd)
 mpp56         56       gpio, ua1(rts), ge(mdc), dram(deccerr), spi1(mosi), ua1(txd)
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-38x.c b/drivers/pinctrl/mvebu/pinctrl-armada-38x.c
index 370c73b52ea0..6ec82c62dff7 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-38x.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-38x.c
@@ -331,20 +331,23 @@ static struct mvebu_mpp_mode armada_38x_mpp_modes[] = {
                  MPP_VAR_FUNCTION(0, "gpio",  NULL,         V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(3, "tdm",   "dtx",        V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(4, "audio", "sdo",        V_88F6810_PLUS),
-                 MPP_VAR_FUNCTION(5, "dram",  "deccerr",    V_88F6810_PLUS)),
+                 MPP_VAR_FUNCTION(5, "dram",  "deccerr",    V_88F6810_PLUS),
+                 MPP_VAR_FUNCTION(6, "ptp",   "trig",       V_88F6810_PLUS)),
         MPP_MODE(52,
                  MPP_VAR_FUNCTION(0, "gpio",  NULL,         V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(1, "pcie0", "rstout",     V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(3, "tdm",   "int",        V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(4, "audio", "sdi",        V_88F6810_PLUS),
-                 MPP_VAR_FUNCTION(5, "sd0",   "d6",         V_88F6810_PLUS)),
+                 MPP_VAR_FUNCTION(5, "sd0",   "d6",         V_88F6810_PLUS),
+                 MPP_VAR_FUNCTION(6, "ptp",   "clk",        V_88F6810_PLUS)),
         MPP_MODE(53,
                  MPP_VAR_FUNCTION(0, "gpio",  NULL,         V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(1, "sata1", "prsnt",      V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(2, "sata0", "prsnt",      V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(3, "tdm",   "rst",        V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(4, "audio", "bclk",       V_88F6810_PLUS),
-                 MPP_VAR_FUNCTION(5, "sd0",   "d7",         V_88F6810_PLUS)),
+                 MPP_VAR_FUNCTION(5, "sd0",   "d7",         V_88F6810_PLUS),
+                 MPP_VAR_FUNCTION(6, "ptp",   "evreq",      V_88F6810_PLUS)),
         MPP_MODE(54,
                  MPP_VAR_FUNCTION(0, "gpio",  NULL,         V_88F6810_PLUS),
                  MPP_VAR_FUNCTION(1, "sata0", "prsnt",      V_88F6810_PLUS),