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

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Message-ID: <1964829.jls4nocKCY@diego>
Date:	Tue, 25 Nov 2014 11:12:44 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Kever Yang <kever.yang@...k-chips.com>
Cc:	Roger Chen <roger.chen@...k-chips.com>, peppe.cavallaro@...com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, mark.yao@...k-chips.com,
	eddie.cai@...k-chips.com
Subject: Re: [PATCH 3/4] GMAC: dts: add gmac info for rk3288

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@...k-chips.com>
> > ---
> > 
> >   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@...90000 {
> > +		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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