pinctrl: dt-bindings: add documentation for CP110 pin controllers

Document the device tree binding for the pin controllers found on the
Armada 7K and Armada 8K SoCs.

Acked-by: Rob Herring <[e-mail]>
Signed-off-by: Gregory CLEMENT <[e-mail]>

Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt

···
      "marvell,cp110-clock"
  - #clock-cells: must be set to 2
 
+Pinctrl:
+--------
+
+For common binding part and usage, refer to the file
+Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt.
+
+Required properties:
+
+- compatible: "marvell,armada-7k-pinctrl",
+  "marvell,armada-8k-cpm-pinctrl" or "marvell,armada-8k-cps-pinctrl"
+  depending on the specific variant of the SoC being used.
+
+Available mpp pins/groups and functions:
+Note: brackets (x) are not part of the mpp name for marvell,function and given
+only for more detailed description in this document.
+
+name	pins	functions
+================================================================================
+mpp0	0	gpio, dev(ale1), au(i2smclk), ge0(rxd3), tdm(pclk), ptp(pulse), mss_i2c(sda), uart0(rxd), sata0(present_act), ge(mdio)
+mpp1	1	gpio, dev(ale0), au(i2sdo_spdifo), ge0(rxd2), tdm(drx), ptp(clk), mss_i2c(sck), uart0(txd), sata1(present_act), ge(mdc)
+mpp2	2	gpio, dev(ad15), au(i2sextclk), ge0(rxd1), tdm(dtx), mss_uart(rxd), ptp(pclk_out), i2c1(sck), uart1(rxd), sata0(present_act), xg(mdc)
+mpp3	3	gpio, dev(ad14), au(i2slrclk), ge0(rxd0), tdm(fsync), mss_uart(txd), pcie(rstoutn), i2c1(sda), uart1(txd), sata1(present_act), xg(mdio)
+mpp4	4	gpio, dev(ad13), au(i2sbclk), ge0(rxctl), tdm(rstn), mss_uart(rxd), uart1(cts), pcie0(clkreq), uart3(rxd), ge(mdc)
+mpp5	5	gpio, dev(ad12), au(i2sdi), ge0(rxclk), tdm(intn), mss_uart(txd), uart1(rts), pcie1(clkreq), uart3(txd), ge(mdio)
+mpp6	6	gpio, dev(ad11), ge0(txd3), spi0(csn2), au(i2sextclk), sata1(present_act), pcie2(clkreq), uart0(rxd), ptp(pulse)
+mpp7	7	gpio, dev(ad10), ge0(txd2), spi0(csn1), spi1(csn1), sata0(present_act), led(data), uart0(txd), ptp(clk)
+mpp8	8	gpio, dev(ad9), ge0(txd1), spi0(csn0), spi1(csn0), uart0(cts), led(stb), uart2(rxd), ptp(pclk_out), synce1(clk)
+mpp9	9	gpio, dev(ad8), ge0(txd0), spi0(mosi), spi1(mosi), pcie(rstoutn), synce2(clk)
+mpp10	10	gpio, dev(readyn), ge0(txctl), spi0(miso), spi1(miso), uart0(cts), sata1(present_act)
+mpp11	11	gpio, dev(wen1), ge0(txclkout), spi0(clk), spi1(clk), uart0(rts), led(clk), uart2(txd), sata0(present_act)
+mpp12	12	gpio, dev(clk_out), nf(rbn1), spi1(csn1), ge0(rxclk)
+mpp13	13	gpio, dev(burstn), nf(rbn0), spi1(miso), ge0(rxctl), mss_spi(miso)
+mpp14	14	gpio, dev(bootcsn), dev(csn0), spi1(csn0), spi0(csn3), au(i2sextclk), spi0(miso), sata0(present_act), mss_spi(csn)
+mpp15	15	gpio, dev(ad7), spi1(mosi), spi0(mosi), mss_spi(mosi), ptp(pulse_cp2cp)
+mpp16	16	gpio, dev(ad6), spi1(clk), mss_spi(clk)
+mpp17	17	gpio, dev(ad5), ge0(txd3)
+mpp18	18	gpio, dev(ad4), ge0(txd2), ptp(clk_cp2cp)
+mpp19	19	gpio, dev(ad3), ge0(txd1), wakeup(out_cp2cp)
+mpp20	20	gpio, dev(ad2), ge0(txd0)
+mpp21	21	gpio, dev(ad1), ge0(txctl), sei(in_cp2cp)
+mpp22	22	gpio, dev(ad0), ge0(txclkout), wakeup(in_cp2cp)
+mpp23	23	gpio, dev(a1), au(i2smclk), link(rd_in_cp2cp)
+mpp24	24	gpio, dev(a0), au(i2slrclk)
+mpp25	25	gpio, dev(oen), au(i2sdo_spdifo)
+mpp26	26	gpio, dev(wen0), au(i2sbclk)
+mpp27	27	gpio, dev(csn0), spi1(miso), mss_gpio4, ge0(rxd3), spi0(csn4), ge(mdio), sata0(present_act), uart0(rts), rei(in_cp2cp)
+mpp28	28	gpio, dev(csn1), spi1(csn0), mss_gpio5, ge0(rxd2), spi0(csn5), pcie2(clkreq), ptp(pulse), ge(mdc), sata1(present_act), uart0(cts), led(data)
+mpp29	29	gpio, dev(csn2), spi1(mosi), mss_gpio6, ge0(rxd1), spi0(csn6), pcie1(clkreq), ptp(clk), mss_i2c(sda), sata0(present_act), uart0(rxd), led(stb)
+mpp30	30	gpio, dev(csn3), spi1(clk), mss_gpio7, ge0(rxd0), spi0(csn7), pcie0(clkreq), ptp(pclk_out), mss_i2c(sck), sata1(present_act), uart0(txd), led(clk)
+mpp31	31	gpio, dev(a2), mss_gpio4, pcie(rstoutn), ge(mdc)
+mpp32	32	gpio, mii(col), mii(txerr), mss_spi(miso), tdm(drx), au(i2sextclk), au(i2sdi), ge(mdio), sdio(v18_en), pcie1(clkreq), mss_gpio0
+mpp33	33	gpio, mii(txclk), sdio(pwr10), mss_spi(csn), tdm(fsync), au(i2smclk), sdio(bus_pwr), xg(mdio), pcie2(clkreq), mss_gpio1
+mpp34	34	gpio, mii(rxerr), sdio(pwr11), mss_spi(mosi), tdm(dtx), au(i2slrclk), sdio(wr_protect), ge(mdc), pcie0(clkreq), mss_gpio2
+mpp35	35	gpio, sata1(present_act), i2c1(sda), mss_spi(clk), tdm(pclk), au(i2sdo_spdifo), sdio(card_detect), xg(mdio), ge(mdio), pcie(rstoutn), mss_gpio3
+mpp36	36	gpio, synce2(clk), i2c1(sck), ptp(clk), synce1(clk), au(i2sbclk), sata0(present_act), xg(mdc), ge(mdc), pcie2(clkreq), mss_gpio5
+mpp37	37	gpio, uart2(rxd), i2c0(sck), ptp(pclk_out), tdm(intn), mss_i2c(sck), sata1(present_act), ge(mdc), xg(mdc), pcie1(clkreq), mss_gpio6, link(rd_out_cp2cp)
+mpp38	38	gpio, uart2(txd), i2c0(sda), ptp(pulse), tdm(rstn), mss_i2c(sda), sata0(present_act), ge(mdio), xg(mdio), au(i2sextclk), mss_gpio7, ptp(pulse_cp2cp)
+mpp39	39	gpio, sdio(wr_protect), au(i2sbclk), ptp(clk), spi0(csn1), sata1(present_act), mss_gpio0
+mpp40	40	gpio, sdio(pwr11), synce1(clk), mss_i2c(sda), au(i2sdo_spdifo), ptp(pclk_out), spi0(clk), uart1(txd), ge(mdio), sata0(present_act), mss_gpio1
+mpp41	41	gpio, sdio(pwr10), sdio(bus_pwr), mss_i2c(sck), au(i2slrclk), ptp(pulse), spi0(mosi), uart1(rxd), ge(mdc), sata1(present_act), mss_gpio2, rei(out_cp2cp)
+mpp42	42	gpio, sdio(v18_en), sdio(wr_protect), synce2(clk), au(i2smclk), mss_uart(txd), spi0(miso), uart1(cts), xg(mdc), sata0(present_act), mss_gpio4
+mpp43	43	gpio, sdio(card_detect), synce1(clk), au(i2sextclk), mss_uart(rxd), spi0(csn0), uart1(rts), xg(mdio), sata1(present_act), mss_gpio5, wakeup(out_cp2cp)
+mpp44	44	gpio, ge1(txd2), uart0(rts), ptp(clk_cp2cp)
+mpp45	45	gpio, ge1(txd3), uart0(txd), pcie(rstoutn)
+mpp46	46	gpio, ge1(txd1), uart1(rts)
+mpp47	47	gpio, ge1(txd0), spi1(clk), uart1(txd), ge(mdc)
+mpp48	48	gpio, ge1(txctl_txen), spi1(mosi), xg(mdc), wakeup(in_cp2cp)
+mpp49	49	gpio, ge1(txclkout), mii(crs), spi1(miso), uart1(rxd), ge(mdio), pcie0(clkreq), sdio(v18_en), sei(out_cp2cp)
+mpp50	50	gpio, ge1(rxclk), mss_i2c(sda), spi1(csn0), uart2(txd), uart0(rxd), xg(mdio), sdio(pwr11)
+mpp51	51	gpio, ge1(rxd0), mss_i2c(sck), spi1(csn1), uart2(rxd), uart0(cts), sdio(pwr10)
+mpp52	52	gpio, ge1(rxd1), synce1(clk), synce2(clk), spi1(csn2), uart1(cts), led(clk), pcie(rstoutn), pcie0(clkreq)
+mpp53	53	gpio, ge1(rxd2), ptp(clk), spi1(csn3), uart1(rxd), led(stb), sdio(led)
+mpp54	54	gpio, ge1(rxd3), synce2(clk), ptp(pclk_out), synce1(clk), led(data), sdio(hw_rst), sdio(wr_protect)
+mpp55	55	gpio, ge1(rxctl_rxdv), ptp(pulse), sdio(led), sdio(card_detect)
+mpp56	56	gpio, tdm(drx), au(i2sdo_spdifo), spi0(clk), uart1(rxd), sata1(present_act), sdio(clk)
+mpp57	57	gpio, mss_i2c(sda), ptp(pclk_out), tdm(intn), au(i2sbclk), spi0(mosi), uart1(txd), sata0(present_act), sdio(cmd)
+mpp58	58	gpio, mss_i2c(sck), ptp(clk), tdm(rstn), au(i2sdi), spi0(miso), uart1(cts), led(clk), sdio(d0)
+mpp59	59	gpio, mss_gpio7, synce2(clk), tdm(fsync), au(i2slrclk), spi0(csn0), uart0(cts), led(stb), uart1(txd), sdio(d1)
+mpp60	60	gpio, mss_gpio6, ptp(pulse), tdm(dtx), au(i2smclk), spi0(csn1), uart0(rts), led(data), uart1(rxd), sdio(d2)
+mpp61	61	gpio, mss_gpio5, ptp(clk), tdm(pclk), au(i2sextclk), spi0(csn2), uart0(txd), uart2(txd), sata1(present_act), ge(mdio), sdio(d3)
+mpp62	62	gpio, mss_gpio4, synce1(clk), ptp(pclk_out), sata1(present_act), spi0(csn3), uart0(rxd), uart2(rxd), sata0(present_act), ge(mdc)
+
 Example:
 
-	cpm_syscon0: system-controller@440000 {
-		compatible = "syscon", "simple-mfd";
-		reg = <0x440000 0x1000>;
+cpm_syscon0: system-controller@440000 {
+	compatible = "syscon", "simple-mfd";
+	reg = <0x440000 0x1000>;
 
-		cpm_clk: clock {
-			compatible = "marvell,cp110-clock";
-			#clock-cells = <2>;
-		};
+	cpm_clk: clock {
+		compatible = "marvell,cp110-clock";
+		#clock-cells = <2>;
 	};
+
+	cpm_pinctrl: pinctrl {
+		compatible = "marvell,armada-8k-cpm-pinctrl";
+	};
+};
+