linux-kernel - [PATCH v3 5/9] doc: dt-bindings: Add doc for the Ingenic TCU timers driver

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Date:   Wed, 10 Jan 2018 23:48:34 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Lee Jones <lee.jones@...aro.org>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v3 5/9] doc: dt-bindings: Add doc for the Ingenic TCU timers driver

Add documentation about how to properly use the Ingenic TCU
(Timer/Counter Unit) timers driver from devicetree.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 .../devicetree/bindings/timer/ingenic,tcu.txt      | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/ingenic,tcu.txt

 v3: New patch in this series

diff --git a/Documentation/devicetree/bindings/timer/ingenic,tcu.txt b/Documentation/devicetree/bindings/timer/ingenic,tcu.txt
new file mode 100644
index 000000000000..dd76877efb8b
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ingenic,tcu.txt
@@ -0,0 +1,35 @@
+Ingenic JZ47xx SoCs Timer/Counter Unit driver
+---------------------------------------------
+
+Required properties:
+
+- compatible : should be "ingenic,<socname>-tcu". Valid strings are:
+  * ingenic,jz4740-tcu
+  * ingenic,jz4770-tcu
+  * ingenic,jz4780-tcu
+- interrupt-parent : phandle of the TCU interrupt controller.
+- interrupts : Specifies the interrupts the controller is connected to.
+- clocks : List of phandle & clock specifiers for the TCU clocks.
+- clock-names : List of name strings for the TCU clocks.
+
+Example:
+
+/ {
+	mfd@...02000 {
+		compatible = "ingenic,tcu", "simple-mfd", "syscon";
+		reg = <0x10002000 0x1000>;
+
+		tcu_timer: timer {
+			compatible = "ingenic,jz4740-tcu";
+			reg = <0x10002010 0xFF0>;
+
+			clocks = <&tcu 0>, <&tcu 1>, <&tcu 2>, <&tcu 3>,
+					 <&tcu 4>, <&tcu 5>, <&tcu 6>, <&tcu 7>;
+			clock-names = "timer0", "timer1", "timer2", "timer3",
+						  "timer4", "timer5", "timer6", "timer7";
+
+			interrupt-parent = <&tcu>;
+			interrupts = <0 1 2 3 4 5 6 7>;
+		};
+	};
+};
-- 
2.11.0