48 lines
2.0 KiB
Diff
48 lines
2.0 KiB
Diff
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From d569707433b26bb70f6b595a480bcfb3043a614c Mon Sep 17 00:00:00 2001
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From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Date: Tue, 20 Aug 2013 12:45:54 -0300
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Subject: [PATCH 194/203] clocksource: armada-370-xp: Add detailed clock
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requirements in devicetree binding
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Specifies the required clock inputs for each supported compatible.
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Armada 370 requires a single clock phandle, and Armada XP requires
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two clock phandles with clock-names "nbclk" and "fixed".
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Acked-by: Jason Cooper <jason@lakedaemon.net>
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Acked-by: Stephen Warren <swarren@nvidia.com>
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Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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---
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.../bindings/timer/marvell,armada-370-xp-timer.txt | 13 +++++++++++--
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1 file changed, 11 insertions(+), 2 deletions(-)
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--- a/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
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+++ b/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
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@@ -9,8 +9,15 @@ Required properties:
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- reg: Should contain location and length for timers register. First
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pair for the Global Timer registers, second pair for the
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local/private timers.
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-- clocks: clock driving the timer hardware, only required for
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- "marvell,armada-370-timer";
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+
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+Clocks required for compatible = "marvell,armada-370-timer":
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+- clocks : Must contain a single entry describing the clock input
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+
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+Clocks required for compatible = "marvell,armada-xp-timer":
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+- clocks : Must contain an entry for each entry in clock-names.
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+- clock-names : Must include the following entries:
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+ "nbclk" (L2/coherency fabric clock),
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+ "fixed" (Reference 25 MHz fixed-clock).
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Examples:
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@@ -29,4 +36,6 @@ Examples:
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compatible = "marvell,armada-xp-timer";
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reg = <0x20300 0x30>, <0x21040 0x30>;
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interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
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+ clocks = <&coreclk 2>, <&refclk>;
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+ clock-names = "nbclk", "fixed";
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};
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