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authorChen-Yu Tsai <wens@csie.org>2018-05-14 03:14:20 +0800
committerDavid S. Miller <davem@davemloft.net>2018-05-14 15:06:53 -0400
commita6fe692e6eb554eb6f9e097142c7b7099edd203f (patch)
tree0f62333772721f9a2cfbbcb38d875eae9bd945b7 /Documentation/devicetree
parentdt-bindings: net: dwmac-sun8i: Sort syscon compatibles by alphabetical order (diff)
downloadlinux-dev-a6fe692e6eb554eb6f9e097142c7b7099edd203f.tar.xz
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dt-bindings: net: dwmac-sun8i: simplify description of syscon property
The syscon property is used to point to the device that holds the glue layer control register known as the "EMAC (or GMAC) clock register". We do not need to explicitly list what compatible strings are needed, as this information is readily available in the user manuals. Also the "syscon" device type is more of an implementation detail. There are many ways to access a register not in a device's address range, the syscon interface being the most generic and unrestricted one. Simplify the description so that it says what it is supposed to describe. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/net/dwmac-sun8i.txt7
1 files changed, 1 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
index 1b8e33e71651..1c0906a5c02b 100644
--- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
+++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
@@ -20,12 +20,7 @@ Required properties:
- phy-handle: See ethernet.txt
- #address-cells: shall be 1
- #size-cells: shall be 0
-- syscon: A phandle to the syscon of the SoC with one of the following
- compatible string:
- - allwinner,sun8i-a83t-system-controller
- - allwinner,sun8i-h3-system-controller
- - allwinner,sun8i-v3s-system-controller
- - allwinner,sun50i-a64-system-controller
+- syscon: A phandle to the device containing the EMAC or GMAC clock register
Optional properties:
- allwinner,tx-delay-ps: TX clock delay chain value in ps.