From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Tue, 8 Sep 2015 01:01:14 -0300
Subject: Linux-libre 4.2-gnu

---
 .../devicetree/bindings/pinctrl/berlin,pinctrl.txt | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt

(limited to 'Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt')

diff --git a/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt
new file mode 100644
index 000000000..a8bb5e260
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+++ b/Documentation/devicetree/bindings/pinctrl/berlin,pinctrl.txt
@@ -0,0 +1,43 @@
+* Pin-controller driver for the Marvell Berlin SoCs
+
+Pin control registers are part of both chip controller and system
+controller register sets. Pin controller nodes should be a sub-node of
+either the chip controller or system controller node. The pins
+controlled are organized in groups, so no actual pin information is
+needed.
+
+A pin-controller node should contain subnodes representing the pin group
+configurations, one per function. Each subnode has the group name and
+the muxing function used.
+
+Be aware the Marvell Berlin datasheets use the keyword 'mode' for what
+is called a 'function' in the pin-controller subsystem.
+
+Required properties:
+- compatible: should be one of:
+	"marvell,berlin2-soc-pinctrl",
+	"marvell,berlin2-system-pinctrl",
+	"marvell,berlin2cd-soc-pinctrl",
+	"marvell,berlin2cd-system-pinctrl",
+	"marvell,berlin2q-soc-pinctrl",
+	"marvell,berlin2q-system-pinctrl"
+
+Required subnode-properties:
+- groups: a list of strings describing the group names.
+- function: a string describing the function used to mux the groups.
+
+Example:
+
+sys_pinctrl: pin-controller {
+	compatible = "marvell,berlin2q-system-pinctrl";
+
+	uart0_pmux: uart0-pmux {
+		groups = "GSM12";
+		function = "uart0";
+	};
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_pmux>;
+	pinctrl-names = "default";
+};
-- 
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