The DT-schema name and the corresponding generic compatible string look
inappropriate in the current DW uMCTL2 DDRC DT-bindings:
1. DT-schema name contains undefined vendor-prefix. It's supposed to be
"snps", not "synopsys".
2. DT-schema name has "ecc" suffix. That is a device property, and has
nothing to do with the controller actual name.
3. The controller name is different. It's DW uMCTL2 DDRC. Just DDRC
doesn't identify the IP-core in subject.
4. There is no much point in using the IP-core version in the device name
since it can be retrieved from the corresponding device CSR. Moreover the
DW uMCTL2 DDRC driver doesn't differentiate the IP-core version at the
current state.
In order to fix all the inconsistencies described above we suggest to
rename the DT-schema to "snps,dw-umctl2-ddrc.yaml", deprecate the
compatible string "snps,ddrc-3.80a" and define a new generic device
name as "snps,dw-umctl2-ddrc".
Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
---
Changelog v2:
- This is a new patch created on v2 by detaching the DT-schema renaming
from the previous patch in the series. (@Krzysztof)
- Fix the compatible string name so one would match the new DT-schema
name.
---
.../{synopsys,ddrc-ecc.yaml => snps,dw-umctl2-ddrc.yaml} | 7 +++++--
MAINTAINERS | 1 +
2 files changed, 6 insertions(+), 2 deletions(-)
rename Documentation/devicetree/bindings/memory-controllers/{synopsys,ddrc-ecc.yaml => snps,dw-umctl2-ddrc.yaml} (83%)
diff --git a/Documentation/devicetree/bindings/memory-controllers/synopsys,ddrc-ecc.yaml b/Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-ddrc.yaml
similarity index 83%
rename from Documentation/devicetree/bindings/memory-controllers/synopsys,ddrc-ecc.yaml
rename to Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-ddrc.yaml
index 0be8ecc73d1a..9212dfe6e956 100644
--- a/Documentation/devicetree/bindings/memory-controllers/synopsys,ddrc-ecc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-ddrc.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
-$id: http://devicetree.org/schemas/memory-controllers/synopsys,ddrc-ecc.yaml#
+$id: http://devicetree.org/schemas/memory-controllers/snps,dw-umctl2-ddrc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Synopsys DesignWare Universal Multi-Protocol Memory Controller
@@ -24,8 +24,11 @@ description: |
properties:
compatible:
oneOf:
- - description: Synopsys DW uMCTL2 DDR controller v3.80a
+ - deprecated: true
+ description: Synopsys DW uMCTL2 DDR controller v3.80a
const: snps,ddrc-3.80a
+ - description: Synopsys DW uMCTL2 DDR controller
+ const: snps,dw-umctl2-ddrc
- description: Xilinx ZynqMP DDR controller v2.40a
const: xlnx,zynqmp-ddrc-2.40a
diff --git a/MAINTAINERS b/MAINTAINERS
index 40e1a146ca61..357230710ed9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3087,6 +3087,7 @@ W: http://wiki.xilinx.com
T: git https://github.com/Xilinx/linux-xlnx.git
F: Documentation/devicetree/bindings/i2c/cdns,i2c-r1p10.yaml
F: Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml
+F: Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-ddrc.yaml
F: Documentation/devicetree/bindings/memory-controllers/xlnx,zynq-ddrc-a05.yaml
F: Documentation/devicetree/bindings/spi/xlnx,zynq-qspi.yaml
F: arch/arm/mach-zynq/
--
2.37.2
