[RFC PATCH 4/5] dt-bindings: soc/fsl: Update reserved memory binding for QBMan
From: Roy Pledge <hidden>
Date: 2017-03-29 21:13:56
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 <roy.pledge@nxp.com> --- 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: <stringlist> - 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: <stringlist> - 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: <stringlist> - 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