On Tuesday 25 February 2014 11:44 AM, Loc Ho wrote:
missing commit log..
-Kishon
> Signed-off-by: Loc Ho <l...@apm.com>
> Signed-off-by: Tuan Phan <tp...@apm.com>
> Signed-off-by: Suman Tripathi <stripa...@apm.com>
> ---
> .../devicetree/bindings/phy/apm-xgene-phy.txt | 79
> ++++++++++++++++++++
> 1 files changed, 79 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/phy/apm-xgene-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt
> b/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt
> new file mode 100644
> index 0000000..5f3a65a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt
> @@ -0,0 +1,79 @@
> +* APM X-Gene 15Gbps Multi-purpose PHY nodes
> +
> +PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
> +PHY (pair of lanes) has its own node.
> +
> +Required properties:
> +- compatible : Shall be "apm,xgene-phy".
> +- reg : PHY memory resource is the SDS PHY access
> resource.
> +- #phy-cells : Shall be 1 as it expects one argument for setting
> + the mode of the PHY. Possible values are 0 (SATA),
> + 1 (SGMII), 2 (PCIe), 3 (USB), and 4 (XFI).
> +
> +Optional properties:
> +- status : Shall be "ok" if enabled or "disabled" if disabled.
> + Default is "ok".
> +- clocks : Reference to the clock entry.
> +- apm,tx-eye-tuning : Manual control to fine tune the capture of the serial
> + bit lines from the automatic calibrated position.
> + Two set of 3-tuple setting for each (up to 3)
> + supported link speed on the host. Range from 0 to
> + 127 in unit of one bit period. Default is 10.
> +- apm,tx-eye-direction : Eye tuning manual control direction. 0 means
> sample
> + data earlier than the nominal sampling point. 1 means
> + sample data later than the nominal sampling point.
> + Two set of 3-tuple setting for each (up to 3)
> + supported link speed on the host. Default is 0.
> +- apm,tx-boost-gain : Frequency boost AC (LSB 3-bit) and DC (2-bit)
> + gain control. Two set of 3-tuple setting for each
> + (up to 3) supported link speed on the host. Range is
> + between 0 to 31 in unit of dB. Default is 3.
> +- apm,tx-amplitude : Amplitude control. Two set of 3-tuple setting for
> + each (up to 3) supported link speed on the host.
> + Range is between 0 to 199500 in unit of uV.
> + Default is 199500 uV.
> +- apm,tx-pre-cursor1 : 1st pre-cursor emphasis taps control. Two set of
> + 3-tuple setting for each (up to 3) supported link
> + speed on the host. Range is 0 to 273000 in unit of
> + uV. Default is 0.
> +- apm,tx-pre-cursor2 : 2st pre-cursor emphasis taps control. Two set of
> + 3-tuple setting for each (up to 3) supported link
> + speed on the host. Range is 0 to 127400 in unit uV.
> + Default is 0x0.
> +- apm,tx-post-cursor : Post-cursor emphasis taps control. Two set of
> + 3-tuple setting for Gen1, Gen2, and Gen3. Range is
> + between 0 to 0x1f in unit of 18.2mV. Default is 0xf.
> +- apm,tx-speed : Tx operating speed. One set of 3-tuple for
> each
> + supported link speed on the host.
> + 0 = 1-2Gbps
> + 1 = 2-4Gbps (1st tuple default)
> + 2 = 4-8Gbps
> + 3 = 8-15Gbps (2nd tuple default)
> + 4 = 2.5-4Gbps
> + 5 = 4-5Gbps
> + 6 = 5-6Gbps
> + 7 = 6-16Gbps (3rd tuple default)
> +
> +NOTE: PHY override parameters are board specific setting.
> +
> +Example:
> + phy1: phy@1f21a000 {
> + compatible = "apm,xgene-phy";
> + reg = <0x0 0x1f21a000 0x0 0x100>;
> + #phy-cells = <1>;
> + status = "disabled";
> + };
> +
> + phy2: phy@1f22a000 {
> + compatible = "apm,xgene-phy";
> + reg = <0x0 0x1f22a000 0x0 0x100>;
> + #phy-cells = <1>;
> + status = "ok";
> + };
> +
> + phy3: phy@1f23a000 {
> + compatible = "apm,xgene-phy";
> + reg = <0x0 0x1f23a000 0x0 0x100>;
> + #phy-cells = <1>;
> + status = "ok";
> + };
>
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