linux-kernel - [PATCH v4 3/4] dt-bindings: EDAC: Add Amazon's Annapurna Labs L2 EDAC

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Message-ID: <20190801130956.26388-4-hhhawa@amazon.com>
Date:   Thu, 1 Aug 2019 14:09:55 +0100
From:   Hanna Hawa <hhhawa@...zon.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>, <bp@...en8.de>,
        <mchehab@...nel.org>, <james.morse@....com>, <davem@...emloft.net>,
        <gregkh@...uxfoundation.org>, <linus.walleij@...aro.org>,
        <Jonathan.Cameron@...wei.com>, <nicolas.ferre@...rochip.com>,
        <paulmck@...ux.ibm.com>
CC:     <dwmw@...zon.co.uk>, <benh@...zon.com>, <ronenk@...zon.com>,
        <talel@...zon.com>, <jonnyc@...zon.com>, <hanochu@...zon.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-edac@...r.kernel.org>, <hhhawa@...zon.com>
Subject: [PATCH v4 3/4] dt-bindings: EDAC: Add Amazon's Annapurna Labs L2 EDAC

Document Amazon's Annapurna Labs L2 EDAC SoC binding.

Signed-off-by: Hanna Hawa <hhhawa@...zon.com>
---
 .../bindings/edac/amazon,al-l2-edac.txt       | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/edac/amazon,al-l2-edac.txt

diff --git a/Documentation/devicetree/bindings/edac/amazon,al-l2-edac.txt b/Documentation/devicetree/bindings/edac/amazon,al-l2-edac.txt
new file mode 100644
index 000000000000..7b0b7347b711
--- /dev/null
+++ b/Documentation/devicetree/bindings/edac/amazon,al-l2-edac.txt
@@ -0,0 +1,20 @@
+* Amazon's Annapurna Labs L2 EDAC
+
+Amazon's Annapurna Labs SoCs supports L2 single bit correction and
+two bits detection capability based on ARM implementation.
+
+Required properties:
+- compatible:
+	should be "amazon,al-l2-edac".
+- l2-cache:
+	Phandle to L2 cache handler.
+	This property is used to compare with the CPU node property
+	'next-level-cache' to create cpu-mask with all CPUs that
+	share same L2 cache.
+
+Example:
+
+	al_l2_edac {
+		compatible = "amazon,al-l2-edac";
+		l2-cache = <&cluster0_l2>;
+	};
-- 
2.17.1