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Groups > linux.kernel > #1705045
| From | Chris Packham <chris.packham@alliedtelesis.co.nz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RESEND PATCH 2/4] dt-bindings: add "reduced-width" property for Armada XP SDRAM controller |
| Date | 2017-08-07 03:50 +0200 |
| Message-ID | <ubFl8-1ES-17@gated-at.bofh.it> (permalink) |
| References | <ubFl7-1ES-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Some SoC implementations that use this controller have a reduced pin
count so the meaning of "full" and "half" with change.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
.../bindings/memory-controllers/mvebu-sdram-controller.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/memory-controllers/mvebu-sdram-controller.txt b/Documentation/devicetree/bindings/memory-controllers/mvebu-sdram-controller.txt
index 89657d1d4cd4..3041868321c8 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mvebu-sdram-controller.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/mvebu-sdram-controller.txt
@@ -13,6 +13,12 @@ Required properties:
- reg: a resource specifier for the register space, which should
include all SDRAM controller registers as per the datasheet.
+Optional properties:
+ - marvell,reduced-width: some SoCs that use this SDRAM controller have
+ a reduced pin count. On such systems "full" width is 32-bits and
+ "half" width is 16-bits. Set this property to indicate that the SoC
+ used is such a system.
+
Example:
sdramc@1400 {
--
2.13.0
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[RESEND PATCH 0/4] EDAC: support reduce bus width on 98dx3236 Chris Packham <chris.packham@alliedtelesis.co.nz> - 2017-08-07 03:50 +0200
[RESEND PATCH 2/4] dt-bindings: add "reduced-width" property for Armada XP SDRAM controller Chris Packham <chris.packham@alliedtelesis.co.nz> - 2017-08-07 03:50 +0200
Re: [RESEND PATCH 2/4] dt-bindings: add "reduced-width" property for Armada XP SDRAM controller Rob Herring <robh@kernel.org> - 2017-08-10 22:40 +0200
Re: [RESEND PATCH 2/4] dt-bindings: add "reduced-width" property for Armada XP SDRAM controller Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-08-10 23:20 +0200
Re: [RESEND PATCH 2/4] dt-bindings: add "reduced-width" property for Armada XP SDRAM controller Jan Lübbe <jlu@pengutronix.de> - 2017-08-11 11:40 +0200
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