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

From: Heiko Stübner
Date: Tue Nov 25 2014 - 05:09:06 EST


Hi Roger, Kever,

Am Dienstag, 25. November 2014, 17:55:53 schrieb Kever Yang:
> The Subject should use below prefix:
> ARM: dts: rockchip: add gmac info for rk3288
>
> On 11/25/2014 05:08 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
> > @@ -137,6 +137,13 @@
> >
> > #clock-cells = <0>;
> >
> > };
> >
> > + ext_gmac: external-gmac-clock {
> > + compatible = "fixed-clock";
> > + clock-frequency = <125000000>;
> > + clock-output-names = "ext_gmac";
> > + #clock-cells = <0>;
> > + };
> > +
>
> I'm not sure Heiko will happy with both add the new clock source and
> gmac node in these patch.

correct. The ext_gmac is an external clock input providing a special clock to
the gmac. This makes it a board-specific property, which should also only be
added on boards having this external source - and of course in the board-
specific dts.


>
> > timer {
> >
> > compatible = "arm,armv7-timer";
> > interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
> > IRQ_TYPE_LEVEL_HIGH)>,
> >
> > @@ -490,6 +497,25 @@
> >
> > reg = <0xff740000 0x1000>;
> >
> > };
> >
> > + gmac: eth@ff290000 {
> > + compatible = "rockchip,rk3288-gmac";
> > + reg = <0xff290000 0x10000>;
> > + interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>; /*irq=59*/

please remote the "irq=59" comment, as it is not necessary


> > + 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*/>;
> > + };
> > +
>
> The controller dts node should be sort by the base address, I'm sure
> this is in a
> wrong place.

correct, it is on the wrong place


Heiko

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