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From: ashwin.chaugule@linaro.org (Ashwin Chaugule)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 2/2] Documentation: devicetree: Add new binding for PSCIv0.2
Date: Wed, 19 Mar 2014 20:54:25 -0400	[thread overview]
Message-ID: <1395276865-6868-2-git-send-email-ashwin.chaugule@linaro.org> (raw)
In-Reply-To: <1395276865-6868-1-git-send-email-ashwin.chaugule@linaro.org>

The PSCI v0.2+ spec defines static values for PSCI function IDs.
Add a new binding entry so that pre v0.2 implementations can
use DT entries for function IDs and v0.2+ implementations use
static entries as defined by the PSCIv0.2 specification.

Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
---
 Documentation/devicetree/bindings/arm/psci.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/psci.txt b/Documentation/devicetree/bindings/arm/psci.txt
index 433afe9..a808284 100644
--- a/Documentation/devicetree/bindings/arm/psci.txt
+++ b/Documentation/devicetree/bindings/arm/psci.txt
@@ -21,7 +21,11 @@ to #0.
 
 Main node required properties:
 
- - compatible    : Must be "arm,psci"
+ - compatible    : "arm,psci" : pre PSCIv0.2 spec implementations use this
+                   to get the function IDs from DT entries.
+
+                   "arm,psci-0.2": PSCIv0.2+ spec implementations use static
+                   values for function IDs as defined in the spec.
 
  - method        : The method of calling the PSCI firmware. Permitted
                    values are:
-- 
1.8.3.2

  reply	other threads:[~2014-03-20  0:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-20  0:54 [PATCH v1 1/2] PSCI: Use DT Function ID values only for old versions of spec Ashwin Chaugule
2014-03-20  0:54 ` Ashwin Chaugule [this message]
2014-03-20  3:03   ` [PATCH v1 2/2] Documentation: devicetree: Add new binding for PSCIv0.2 Christoffer Dall
2014-03-20 14:22     ` Mark Rutland
2014-03-20 14:53       ` Christoffer Dall
2014-03-20  1:25 ` [PATCH v1 1/2] PSCI: Use DT Function ID values only for old versions of spec Rob Herring
2014-03-20  2:51   ` Christoffer Dall
2014-03-20 14:26   ` Mark Rutland
2014-03-20 17:04     ` Rob Herring
2014-03-20 17:09       ` Christoffer Dall
2014-03-20  3:06 ` Christoffer Dall
2014-03-20 14:57 ` Mark Rutland
2014-03-20 15:39   ` Ashwin Chaugule
2014-03-21 10:51     ` Mark Rutland
2014-03-21 12:49       ` Ashwin Chaugule

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