linux-kernel - [PATCH v9 24/27] dt-bindings: timer: new bindings for TI DaVinci timer

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Message-Id: <20180427001745.4116-25-david@lechnology.com>
Date:   Thu, 26 Apr 2018 19:17:42 -0500
From:   David Lechner <david@...hnology.com>
To:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Adam Ford <aford173@...il.com>, linux-kernel@...r.kernel.org,
        David Lechner <david@...hnology.com>
Subject: [PATCH v9 24/27] dt-bindings: timer: new bindings for TI DaVinci timer

This adds new device tree bindings for the timer IP block of TI
DaVinci-like SoCs.

Signed-off-by: David Lechner <david@...hnology.com>
---

v9 changes:
- new patch in v9


 .../bindings/timer/ti,davinci-timer.txt       | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/ti,davinci-timer.txt

diff --git a/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt
new file mode 100644
index 000000000000..2091eca46981
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt
@@ -0,0 +1,24 @@
+* Device tree bindings for Texas Instruments DaVinci timer
+
+This document provides bindings for the 64-bit timer in the DaVinci
+architecture devices. The timer can be configured as a general-purpose 64-bit
+timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
+timers, each half can operate in conjunction (chain mode) or independently
+(unchained mode) of each other.
+
+It is global timer is a free running up-counter and can generate interrupt
+when the counter reaches preset counter values.
+
+Required properties:
+
+- compatible : should be "ti,davinci-timer".
+- reg : specifies base physical address and count of the registers.
+- clocks : the clock feeding the timer clock.
+
+Example:
+
+	clocksource: timer@...00 {
+		compatible = "ti,davinci-timer";
+		reg = <0x20000 0x1000>;
+		clocks = <&pll0_auxclk>;
+	};
-- 
2.17.0