Signed-off-by: Joachim Eastwood <manabian@xxxxxxxxx>
---
.../bindings/pinctrl/nxp,lpc1850-scu.txt | 57 ++++++++++++++++++++++
1 file changed, 57 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt
diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt b/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt
new file mode 100644
index 000000000000..df0309c57505
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/nxp,lpc1850-scu.txt
@@ -0,0 +1,57 @@
+NXP LPC18xx/43xx SCU pin controller Device Tree Bindings
+--------------------------------------------------------
+
+Required properties:
+- compatible : Should be "nxp,lpc1850-scu"
+- reg : Address and length of the register set for the device
+- clocks : Clock specifier (see clock bindings for details)
+
+The lpc1850-scu driver uses the generic pin multiplexing and generic pin
+configuration documented in pinctrl-bindings.txt.
+
+The following generic nodes are supported:
+ - function
+ - pins
+ - bias-disable
+ - bias-pull-up
+ - bias-pull-down
+ - drive-strength
+ - input-enable
+ - input-disable
+ - input-schmitt-enable
+ - input-schmitt-disable
+ - slew-rate
+
+Not all pins support all properties so either refer to the NXP 1850/4350
+user manual or the pin table in the pinctrl-lpc18xx driver for supported
+pin properties.
+
+Example:
+pinctrl: pinctrl@40086000 {
+ compatible = "nxp,lpc1850-scu";
+ reg = <0x40086000 0x1000>;
+ clocks = <&ccu1 CLK_CPU_SCU>;
+
+ i2c0_pins: i2c0-pins {
+ i2c0_pins_cfg {
+ pins = "i2c0_scl", "i2c0_sda";
+ function = "i2c0";
+ input-enable;
+ };
+ };
+
+ uart0_pins: uart0-pins {
+ uart0_rx_cfg {
+ pins = "pf_11";
+ function = "uart0";
+ bias-disable;
+ input-enable;
+ };
+
+ uart0_tx_cfg {
+ pins = "pf_10";
+ function = "uart0";
+ bias-disable;
+ };
+ };
+};
--
1.8.0
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