[RESEND PATCH v5 05/11] dt-bindings: phy-mtk-tphy: add the properties about address mapping

Chunfeng Yun
2020-01-08T01:53:01Z

Add three required properties about the address mapping, including
'#address-cells', '#size-cells' and 'ranges'

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v3~v5: no changes

v2: add Reviewed-by Rob
---
Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt | 10 ++++++++++
1 file changed, 10 insertions(+)

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