Re: [PATCH 3/4] GMAC: dts: add gmac info for rk3288

[Roger]

On 2014/11/25 22:39, Heiko Stübner wrote:
> Am Dienstag, 25. November 2014, 16:40:59 schrieb Sergei Shtylyov:
> > Hello.
> >
> > On 11/25/2014 12:08 PM, Roger Chen wrote:
> > > add gmac info in rk3288.dtsi for GMAC driver
> > >
> > > Signed-off-by: Roger Chen <roger.chen@xxxxxxxxxxxxxx>
> > > ---
> > >
> > >    arch/arm/boot/dts/rk3288.dtsi |   59
> > >    +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59
> > >    insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> > > index 0f50d5d..949675d 100644
> > > --- a/arch/arm/boot/dts/rk3288.dtsi
> > > +++ b/arch/arm/boot/dts/rk3288.dtsi
> > [...]
> >
> > > @@ -490,6 +497,25 @@
> > >
> > >    		reg = <0xff740000 0x1000>;
> > >    	
> > >    	};
> > >
> > > +	gmac: eth@ff290000 {
> >      Please name the node "ethernet@ff290000" to comply with the ePAPR
> > standard.
> > > +		compatible = "rockchip,rk3288-gmac";
> > > +		reg = <0xff290000 0x10000>;
> > > +		interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;  /*irq=59*/
> > > +		interrupt-names = "macirq";
> > > +		rockchip,grf = <&grf>;
> > > +		clocks = <&cru SCLK_MAC>, <&cru SCLK_MAC_PLL>,
> > > +			<&cru SCLK_MAC_RX>, <&cru SCLK_MAC_TX>,
> > > +			<&cru SCLK_MACREF>, <&cru SCLK_MACREF_OUT>,
> > > +			<&cru ACLK_GMAC>, <&cru PCLK_GMAC>;
> > > +		clock-names = "stmmaceth", "clk_mac_pll",
> > > +			"mac_clk_rx", "mac_clk_tx",
> > > +			"clk_mac_ref", "clk_mac_refout",
> > > +			"aclk_mac", "pclk_mac";
> > > +		phy-mode = "rgmii";
> > > +		pinctrl-names = "default";
> > > +		pinctrl-0 = <&rgmii_pin /*&rmii_pin*/>;
> >      Hm, pinctrl props in a .dtsi file? Those are usually board dependent.
> yep, especially as there is a board-dependent selection needed of what to use
> [rgmii or rmii] depending on the phy on the board.

of course pinctrl props is redefined in the rk3288-evb-rk808.dts,
IMO, pinctrl props in .dtsi is used to fit for the "phy-mode" prop as default.
if pinctrl props should be removed, how about "phy-mode" prop?

> > [...]
> >
> > > @@ -1040,5 +1066,38 @@
> > >
> > >    				rockchip,pins = <7 23 3 &pcfg_pull_none>;
> > >    			
> > >    			};
> > >    		
> > >    		};
> > >
> > > +
> > > +		gmac {
> > > +			rgmii_pin: rgmii-pins {
> please add the "s" to the label - "rgmii_pins"
>
>
> > > +				rockchip,pins = <3 30 3 &pcfg_pull_none>,
> > > +						<3 31 3 &pcfg_pull_none>,
> > > +						<3 26 3 &pcfg_pull_none>,
> > > +						<3 27 3 &pcfg_pull_none>,
> > > +						<3 28 3 &pcfg_pull_none>,
> > > +						<3 29 3 &pcfg_pull_none>,
> > > +						<3 24 3 &pcfg_pull_none>,
> > > +						<3 25 3 &pcfg_pull_none>,
> > > +						<4 0 3 &pcfg_pull_none>,
> > > +						<4 5 3 &pcfg_pull_none>,
> > > +						<4 6 3 &pcfg_pull_none>,
> > > +						<4 9 3 &pcfg_pull_none>,
> > > +						<4 4 3 &pcfg_pull_none>,
> > > +						<4 1 3 &pcfg_pull_none>,
> > > +						<4 3 3 &pcfg_pull_none>;
> > > +			};
> > > +
> > > +			rmii_pin: rmii-pins {
> same here
>
>
> > > +				rockchip,pins = <3 30 3 &pcfg_pull_none>,
> > > +						<3 31 3 &pcfg_pull_none>,
> > > +						<3 28 3 &pcfg_pull_none>,
> > > +						<3 29 3 &pcfg_pull_none>,
> > > +						<4 0 3 &pcfg_pull_none>,
> > > +						<4 5 3 &pcfg_pull_none>,
> > > +						<4 4 3 &pcfg_pull_none>,
> > > +						<4 1 3 &pcfg_pull_none>,
> > > +						<4 2 3 &pcfg_pull_none>,
> > > +						<4 3 3 &pcfg_pull_none>;
> > > +			};
> > > +		};
> >      These are usually define in the board .dts file...
> The pinctrl settings itself are soc-specific, i.e. the pins and their settings
> to use to enable r{g}mii functionality are the same for all boards using this
> soc, so the pinctrl definitions should stay here and not be redefined in each
> and every board file.
>
>
> Heiko


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