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>
mariux64 · Jun 10, 2015 · f9dbbe0 · f9dbbe0
1 parent f7ad5b2
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git 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
@@ -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),