Messages in this thread | | | Date | Thu, 3 Jul 2014 14:36:19 +0530 | From | Kishon Vijay Abraham I <> | Subject | Re: [PATCH 1/5] phy: miphy365x: Add Device Tree bindings for the MiPHY365x |
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Hi,
On Wednesday 02 July 2014 05:36 PM, Lee Jones wrote: > On Wed, 02 Jul 2014, Kishon Vijay Abraham I wrote: >> On Monday 30 June 2014 06:31 PM, Lee Jones wrote: >>> The MiPHY365x is a Generic PHY which can serve various SATA or PCIe >>> devices. It has 2 ports which it can use for either; both SATA, both >>> PCIe or one of each in any configuration. >>> >>> Cc: Kishon Vijay Abraham I <kishon@ti.com> >>> Acked-by: Mark Rutland <mark.rutland@arm.com> >>> Acked-by: Alexandre Torgue <alexandre.torgue@st.com> >>> Signed-off-by: Lee Jones <lee.jones@linaro.org> >>> --- >>> .../devicetree/bindings/phy/phy-miphy365x.txt | 76 ++++++++++++++++++++++ >>> 1 file changed, 76 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/phy/phy-miphy365x.txt >>> >>> diff --git a/Documentation/devicetree/bindings/phy/phy-miphy365x.txt b/Documentation/devicetree/bindings/phy/phy-miphy365x.txt >>> new file mode 100644 >>> index 0000000..d75f300 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/phy/phy-miphy365x.txt >>> @@ -0,0 +1,76 @@ >>> +STMicroelectronics STi MIPHY365x PHY binding >>> +============================================ >>> + >>> +This binding describes a miphy device that is used to control PHY hardware >>> +for SATA and PCIe. >>> + >>> +Required properties: >>> +- compatible : Should be "st,miphy365x-phy" >>> +- #phy-cells : Should be 2 (See second example) >>> + First cell is the port number from: >>> + - MIPHY_PORT_0 >>> + - MIPHY_PORT_1 >> >> I'm just thinking if we can directly give phandle to the sub-node >> (channel0/channel1 or port0/port1) we won't need this information in the PHY >> specifier. This might need some modification in the phy-core but that can be done. > > If we do that, we need a new property to identify the port number. I > figured using an existing cell to identify the port would be better > than to try an introduce yet another property.
If we can directly give phandle to the sub-node where do you think port number would be used?
Thanks Kishon
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