From: Chunfeng Yun Date: Tue, 11 Feb 2020 03:21:10 +0000 (+0800) Subject: dt-bindings: phy-mtk-tphy: add the properties about address mapping X-Git-Tag: v5.7-rc1~192^2~13^2~21 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7dffdebb61806164179c4e7a0d05d3f391b57573;p=linux.git dt-bindings: phy-mtk-tphy: add the properties about address mapping Add three required properties about the address mapping, including '#address-cells', '#size-cells' and 'ranges' Signed-off-by: Chunfeng Yun Reviewed-by: Rob Herring Signed-off-by: Kishon Vijay Abraham I --- diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt index a859b0db4051..dd75b676b71d 100644 --- a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt +++ b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt @@ -14,6 +14,16 @@ Required properties (controller (parent) node): make use of "mediatek,generic-tphy-v1" on mt2701 instead and "mediatek,generic-tphy-v2" on mt2712 instead. +- #address-cells: the number of cells used to represent physical + base addresses. +- #size-cells: the number of cells used to represent the size of an address. +- ranges: the address mapping relationship to the parent, defined with + - empty value: if optional 'reg' is used. + - non-empty value: if optional 'reg' is not used. should set + the child's base address to 0, the physical address + within parent's address space, and the length of + the address map. + Required nodes : a sub-node is required for each port the controller provides. Address range information including the usual 'reg' property is used inside these nodes to describe