linux-kernel - [PATCH 02/15] dt-bindings: timer: add ti,dmtimer compatible for for system timers

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Date:   Wed, 29 Apr 2020 14:53:49 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Adam Ford <aford173@...il.com>,
        Andreas Kemnade <andreas@...nade.info>,
        Brian Hutchinson <b.hutchman@...il.com>,
        Graeme Smecher <gsmecher@...eespeedlogic.com>,
        Keerthy <j-keerthy@...com>, Lokesh Vutla <lokeshvutla@...com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Tero Kristo <t-kristo@...com>,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH 02/15] dt-bindings: timer: add ti,dmtimer compatible for for system timers

The TI dual-mode timer can be used for both clocksource and clockevent
system timers. We need a way to specify which dual-mode timers are
reserved for system timers as there are multiple instances available
that may require a board specific configuration.

Let's add a generic compatible "ti,dmtimer" that TIMER_OF_DECLARE can
use as suggested by Daniel Lezcano <daniel.lezcano@...aro.org>.

Suggested-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 Documentation/devicetree/bindings/timer/ti,timer.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/timer/ti,timer.txt b/Documentation/devicetree/bindings/timer/ti,timer.txt
--- a/Documentation/devicetree/bindings/timer/ti,timer.txt
+++ b/Documentation/devicetree/bindings/timer/ti,timer.txt
@@ -14,6 +14,7 @@ Required properties:
 			ti,omap5430-timer (applicable to OMAP543x devices)
 			ti,am335x-timer	(applicable to AM335x devices)
 			ti,am335x-timer-1ms (applicable to AM335x devices)
+			ti,dmtimer (applicable to system timers)
 
 - reg:			Contains timer register address range (base address and
 			length).
-- 
2.26.2