Messages in this thread | | | Date | Wed, 2 Jul 2014 13:06:01 +0100 | From | Lee Jones <> | Subject | Re: [PATCH 1/5] phy: miphy365x: Add Device Tree bindings for the MiPHY365x |
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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.
> > + Second cell is device type from: > > + - MIPHY_TYPE_SATA > > + - MIPHY_TYPE_PCI > > +- reg : Address and length of register sets for each device in > > + "reg-names" > > +- reg-names : The names of the register addresses corresponding to the > > + registers filled in "reg", from: > > + - sata0: For SATA port 0 registers > > + - sata1: For SATA port 1 registers > > + - pcie0: For PCIE port 0 registers > > + - pcie1: For PCIE port 1 registers > > this information should be in the documentation of sub-nodes.
You're right, will fix.
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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