[PATCH v9 24/27] dt-bindings: timer: new bindings for TI DaVinci timer
From: david@lechnology.com (David Lechner)
Date: 2018-05-02 01:52:24
Also in:
linux-clk, linux-devicetree, lkml
Sekhar, On 04/27/2018 09:05 AM, Rob Herring wrote:
On Thu, Apr 26, 2018 at 07:17:42PM -0500, David Lechner wrote:quoted
This adds new device tree bindings for the timer IP block of TI DaVinci-like SoCs. Signed-off-by: David Lechner <david@lechnology.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.txtdiff --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 interruptDoesn't make sense, too many 'is'. There's no interrupt property listed.quoted
+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 at 20000 { + compatible = "ti,davinci-timer"; + reg = <0x20000 0x1000>; + clocks = <&pll0_auxclk>; + }; -- 2.17.0
What do you think about trying to reuse the keystone timer here instead of introducing our own binding? I assume it is basically the same since the watchdog timer is shared already between davinci and keystone.