From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0044.outbound.protection.outlook.com [104.47.41.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vtgVp1v0SzDqJV for ; Thu, 30 Mar 2017 08:14:10 +1100 (AEDT) From: Roy Pledge To: , , , , CC: , Roy Pledge Subject: [RFC PATCH 4/5] dt-bindings: soc/fsl: Update reserved memory binding for QBMan Date: Wed, 29 Mar 2017 17:13:56 -0400 Message-ID: <1490822037-6752-5-git-send-email-roy.pledge@nxp.com> In-Reply-To: <1490822037-6752-1-git-send-email-roy.pledge@nxp.com> References: <1490822037-6752-1-git-send-email-roy.pledge@nxp.com> Reply-To: MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Updates the QMan and BMan device tree bindings for reserved memory nodes. This makes the reserved memory allocation compatiable with the shared-dma-pool usage. Signed-off-by: Roy Pledge --- Documentation/devicetree/bindings/soc/fsl/bman.txt | 10 +++++----- Documentation/devicetree/bindings/soc/fsl/qman.txt | 16 +++++++++------- 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/fsl/bman.txt b/Documentation/devicetree/bindings/soc/fsl/bman.txt index 47ac834..bdf2fae7 100644 --- a/Documentation/devicetree/bindings/soc/fsl/bman.txt +++ b/Documentation/devicetree/bindings/soc/fsl/bman.txt @@ -65,8 +65,8 @@ to the respective BMan instance BMan Private Memory Node BMan requires a contiguous range of physical memory used for the backing store -for BMan Free Buffer Proxy Records (FBPR). This memory is reserved/allocated as a -node under the /reserved-memory node +for BMan Free Buffer Proxy Records (FBPR). This memory is reserved/allocated as +a node under the /reserved-memory node. The BMan FBPR memory node must be named "bman-fbpr" @@ -75,7 +75,7 @@ PROPERTIES - compatible Usage: required Value type: - Definition: Must inclide "fsl,bman-fbpr" + Definition: Must include "shared-mem-pool" The following constraints are relevant to the FBPR private memory: - The size must be 2^(size + 1), with size = 11..33. That is 4 KiB to @@ -100,10 +100,10 @@ The example below shows a BMan FBPR dynamic allocation memory node ranges; bman_fbpr: bman-fbpr { - compatible = "fsl,bman-fbpr"; - alloc-ranges = <0 0 0x10 0>; + compatible = "shared-mem-pool"; size = <0 0x1000000>; alignment = <0 0x1000000>; + no-map; }; }; diff --git a/Documentation/devicetree/bindings/soc/fsl/qman.txt b/Documentation/devicetree/bindings/soc/fsl/qman.txt index 556ebb8..3e7d863 100644 --- a/Documentation/devicetree/bindings/soc/fsl/qman.txt +++ b/Documentation/devicetree/bindings/soc/fsl/qman.txt @@ -74,7 +74,9 @@ QMan Private Memory Nodes QMan requires two contiguous range of physical memory used for the backing store for QMan Frame Queue Descriptor (FQD) and Packed Frame Descriptor Record (PFDR). -This memory is reserved/allocated as a nodes under the /reserved-memory node +This memory is reserved/allocated as a node under the /reserved-memory node. + +For additional details about reserved memory regions see reserved-memory.txt The QMan FQD memory node must be named "qman-fqd" @@ -83,7 +85,7 @@ PROPERTIES - compatible Usage: required Value type: - Definition: Must inclide "fsl,qman-fqd" + Definition: Must include "shared-dma-pool" The QMan PFDR memory node must be named "qman-pfdr" @@ -92,7 +94,7 @@ PROPERTIES - compatible Usage: required Value type: - Definition: Must inclide "fsl,qman-pfdr" + Definition: Must include "shared-dma-pool" The following constraints are relevant to the FQD and PFDR private memory: - The size must be 2^(size + 1), with size = 11..29. That is 4 KiB to @@ -117,16 +119,16 @@ The example below shows a QMan FQD and a PFDR dynamic allocation memory nodes ranges; qman_fqd: qman-fqd { - compatible = "fsl,qman-fqd"; - alloc-ranges = <0 0 0x10 0>; + compatible = "shared-dma-pool"; size = <0 0x400000>; alignment = <0 0x400000>; + no-map; }; qman_pfdr: qman-pfdr { - compatible = "fsl,qman-pfdr"; - alloc-ranges = <0 0 0x10 0>; + compatible = "shared-dma-pool"; size = <0 0x2000000>; alignment = <0 0x2000000>; + no-map; }; }; -- 2.9.3