diff --git a/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/xlnx,zynq-pinctrl.txt
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+	Binding for Xilinx Zynq Pinctrl
+
+Required properties:
+- compatible: "xlnx,zynq-pinctrl"
+- syscon: phandle to SLCR
+- reg: Offset and length of pinctrl space in SLCR
+
+Please refer to pinctrl-bindings.txt in this directory for details of the
+common pinctrl bindings used by client devices, including the meaning of the
+phrase "pin configuration node".
+
+Zynq's pin configuration nodes act as a container for an arbitrary number of
+subnodes. Each of these subnodes represents some desired configuration for a
+pin, a group, or a list of pins or groups. This configuration can include the
+mux function to select on those pin(s)/group(s), and various pin configuration
+parameters, such as pull-up, slew rate, etc.
+
+Each configuration node can consist of multiple nodes describing the pinmux and
+pinconf options. Those nodes can be pinmux nodes or pinconf nodes.
+
+The name of each subnode is not important; all subnodes should be enumerated
+and processed purely based on their content.
+
+Required properties for pinmux nodes are:
+ - groups: A list of pinmux groups.
+ - function: The name of a pinmux function to activate for the specified set
+   of groups.
+
+Required properties for configuration nodes:
+One of:
+ - pins: a list of pin names
+ - groups: A list of pinmux groups.
+
+The following generic properties as defined in pinctrl-bindings.txt are valid
+to specify in a pinmux subnode:
+ groups, function
+
+The following generic properties as defined in pinctrl-bindings.txt are valid
+to specify in a pinconf subnode:
+ groups, pins, bias-disable, bias-high-impedance, bias-pull-up, slew-rate,
+ low-power-disable, low-power-enable
+
+ Valid arguments for 'slew-rate' are '0' and '1' to select between slow and fast
+ respectively.
+
+ Valid values for groups are:
+   ethernet0_0_grp, ethernet1_0_grp, mdio0_0_grp, mdio1_0_grp,
+   qspi0_0_grp, qspi1_0_grp, qspi_fbclk, qspi_cs1_grp, spi0_0_grp,
+   spi0_1_grp - spi0_2_grp, spi1_0_grp - spi1_3_grp, sdio0_0_grp - sdio0_2_grp,
+   sdio1_0_grp - sdio1_3_grp, sdio0_emio_wp, sdio0_emio_cd, sdio1_emio_wp,
+   sdio1_emio_cd, smc0_nor, smc0_nor_cs1_grp, smc0_nor_addr25_grp, smc0_nand,
+   can0_0_grp - can0_10_grp, can1_0_grp - can1_11_grp, uart0_0_grp - uart0_10_grp,
+   uart1_0_grp - uart1_11_grp, i2c0_0_grp - i2c0_10_grp, i2c1_0_grp - i2c1_10_grp,
+   ttc0_0_grp - ttc0_2_grp, ttc1_0_grp - ttc1_2_grp, swdt0_0_grp - swdt0_4_grp,
+   gpio0_0_grp - gpio0_53_grp, usb0_0_grp, usb1_0_grp
+
+ Valid values for pins are:
+   MIO0 - MIO53
+
+ Valid values for function are:
+   ethernet0, ethernet1, mdio0, mdio1, qspi0, qspi1, qspi_fbclk, qspi_cs1,
+   spi0, spi1, sdio0, sdio0_pc, sdio0_cd, sdio0_wp,
+   sdio1, sdio1_pc, sdio1_cd, sdio1_wp,
+   smc0_nor, smc0_nor_cs1, smc0_nor_addr25, smc0_nand, can0, can1, uart0, uart1,
+   i2c0, i2c1, ttc0, ttc1, swdt0, gpio0, usb0, usb1
+
+The following driver-specific properties as defined here are valid to specify in
+a pin configuration subnode:
+ - io-standard: Configure the pin to use the selected IO standard according to
+   this mapping:
+    1: LVCMOS18
+    2: LVCMOS25
+    3: LVCMOS33
+    4: HSTL
+
+Example:
+	pinctrl0: pinctrl@700 {
+		compatible = "xlnx,pinctrl-zynq";
+		reg = <0x700 0x200>;
+		syscon = <&slcr>;
+
+		pinctrl_uart1_default: uart1-default {
+			mux {
+				groups = "uart1_10_grp";
+				function = "uart1";
+			};
+
+			conf {
+				groups = "uart1_10_grp";
+				slew-rate = <0>;
+				io-standard = <1>;
+			};
+
+			conf-rx {
+				pins = "MIO49";
+				bias-high-impedance;
+			};
+
+			conf-tx {
+				pins = "MIO48";
+				bias-disable;
+			};
+		};
+	};