linux-kernel - [PATCH v4 1/2] dt-binding: timer: document NPCM7xx timer DT bindings

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Message-Id: <1519655769-25836-2-git-send-email-tmaimon77@gmail.com>
Date:   Mon, 26 Feb 2018 16:36:08 +0200
From:   Tomer Maimon <tmaimon77@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com,
        daniel.lezcano@...aro.org, tglx@...utronix.de,
        avifishman70@...il.com, brendanhiggins@...gle.com, joel@....id.au
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v4 1/2] dt-binding: timer: document NPCM7xx timer DT bindings

Added device tree binding documentation for Nuvoton NPCM7xx timer.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
---
 .../bindings/timer/nuvoton,npcm7xx-timer.txt       | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt

diff --git a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt
new file mode 100644
index 000000000000..c5150522e618
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt
@@ -0,0 +1,25 @@
+Nuvoton NPCM7xx timer
+
+Nuvoton NPCM7xx have three timer modules, each timer module provides five 24-bit
+timer counters.
+
+Required properties:
+- compatible      : "nuvoton,npcm750-timer" for Poleg NPCM750.
+- reg             : Offset and length of the register set for the device.
+- interrupts      : Contain the timer interrupt with flags for
+                    falling edge.
+
+Required clocking property, have to be one of:
+- clocks          : phandle of timer reference clock.
+- clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx
+                    timer (usually 25000000).
+
+Example:
+
+timer@...08000 {
+    compatible = "nuvoton,npcm750-timer";
+    interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+    reg = <0xf0008000 0x1000>;
+    clocks = <&clk NPCM7XX_CLK_TIMER>;
+};
+
-- 
2.14.1