Re: [PATCH v2 3/7] binding: mdio-mux: Add DT binding doc for Broadcom MDIO bus mutiplexer
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From: Rob Herring <robh@kernel.org>
Date: 2016-06-03 01:43:27
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linux-arm-kernel, linux-devicetree, lkml
On Tue, May 31, 2016 at 07:06:37PM +0530, Pramod Kumar wrote:
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Add DT binding doc for Broadcom MDIO bus mutiplexer driver. Signed-off-by: Pramod Kumar <redacted> --- .../bindings/net/brcm,mdio-mux-iproc.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txtdiff --git a/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt b/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt new file mode 100644 index 0000000..f270b41 --- /dev/null +++ b/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt@@ -0,0 +1,60 @@ +Properties for an MDIO bus mutiplexer found in Broadcom iProc based SoCs. + +This MDIO bus multiplexer defines buses that could be internal as well as +external to SoCs and could accept MDIO transaction compatible to C-22 or +C-45 Clause. When Child bus is selected, one need to select these two
s/Child/child/ s/need/needs/
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+properties as well to generate desired MDIO trascation on appropriate bus. + +Required properties in addition to the generic multiplexer properties: + +MDIO multiplexer node: +- complatible: brcm,mdio-mux-iproc.
typo
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+ +Every non-ethernet PHY requires a compatible so that it could be probed based +on this compatible string. + +Additional information regarding generic multiplexer properties could be found
s/could/can/
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+at- Documentation/devicetree/bindings/net/mdio-mux.txt + + +for example: + mdio_mux_iproc: mdio_mux_iproc@6602023c {
No '_' in node names. mdio-mux@...
+ compatible = "brcm,mdio-mux-iproc";
+ reg = <0x6602023c 0x14>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mdio-integrated-mux;
+
+ mdio@0 {
+ reg = <0x0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pci_phy0: pci-phy@0 {
+ compatible = "brcm,ns2-pcie-phy";
+ reg = <0x0>;
+ #phy-cells = <0>;
+ };
+ };
+
+ mdio@7 {
+ reg = <0x7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pci_phy1: pci-phy@0 {
+ compatible = "brcm,ns2-pcie-phy";
+ reg = <0x0>;
+ #phy-cells = <0>;
+ };
+ };
+ mdio@10 {
+ reg = <0x10>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gphy0: eth-phy@10 {
+ reg = <0x10>;
+ };
+ };
+ };
--
1.9.1