Message ID | 20111215211320.GU32251@atomide.com |
---|---|
State | New |
Headers | show |
On 12/15/2011 10:13 PM, Tony Lindgren wrote: > * Cousson, Benoit<b-cousson@ti.com> [111215 01:34]: >> Hi Tony, >> >> On 12/15/2011 7:52 AM, Rajendra Nayak wrote: >>> On Thursday 15 December 2011 12:55 AM, Tony Lindgren wrote: >>>> * Rajendra Nayak<rnayak@ti.com> [111214 03:24]: >>>>> Pass minimal data needed for console boot, from dt, for >>>>> OMAP4 panda/sdp and OMAP3 beagle boards, and get rid of the >>>>> static initialization from generic board file. >>>>> >>>>> Acked-by: Rob Herring<rob.herring@calxeda.com> >>>>> Signed-off-by: Rajendra Nayak<rnayak@ti.com> >>>> >>>> This we can't merge because this breaks serial console for >>>> omap2 because you're not adding the omap2 specific dtsi >>>> entries for omap2.. >>> >>> But we never had omap2 working with DT, because we never added >>> a .dtsi file for omap2 or a .dts file for any omap2 board variants. >>> >>> Until now the DT support on OMAP has been limited to OMAP3 and OMAP4 >>> with boards limited to omap3beagle/omap4Panda and omap4sdp. >>> >>> So when we do add base support for omap2, we could update those >>> with the serial entries. >> >> I'm quite confused as well... Have you tried the current 3.2 kernel >> on an OMAP2 board? >> >> So far I've been taking care of keeping the OMAP2 support into the >> board-generic.c file, but I've never added any omap2.dtsi or >> omap2-board.dts file to support it. > > Yeah adding it is trivial, so let's just add it :) Well, why not :-) > How about we just add the following patch before the last patch > in this series? > > I don't have iva there as that's different between 2420 and 2430. > But omap2.dtsi can be included later on into omap2420.dtsi and > omap2430.dtsi. > > Regards, > > Tony > > > From: Tony Lindgren<tony@atomide.com> > Date: Thu, 15 Dec 2011 12:48:43 -0800 > Subject: [PATCH] arm/dts: Add minimal device tree support for omap2420 and omap2430 > > Add minimal device tree support for omap2420 and omap2430 > > Signed-off-by: Tony Lindgren<tony@atomide.com> > > --- /dev/null > +++ b/arch/arm/boot/dts/omap2.dtsi > @@ -0,0 +1,67 @@ > +/* > + * Device Tree Source for OMAP2 SoC > + * > + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ > + * > + * This file is licensed under the terms of the GNU General Public License > + * version 2. This program is licensed "as is" without any warranty of any > + * kind, whether express or implied. > + */ > + > +/include/ "skeleton.dtsi" > + > +/ { > + compatible = "ti,omap2430", "ti,omap2420", "ti,omap2"; > + > + aliases { > + serial0 =&uart1; > + serial1 =&uart2; > + serial2 =&uart3; > + }; > + > + cpus { > + cpu@0 { > + compatible = "arm,arm1136jf-s"; > + }; > + }; > + > + soc { > + compatible = "ti,omap-infra"; > + mpu { > + compatible = "ti,omap2-mpu"; > + ti,hwmods = "mpu"; > + }; > + }; > + > + ocp { > + compatible = "simple-bus"; > + #address-cells =<1>; > + #size-cells =<1>; > + ranges; > + ti,hwmods = "l3_main"; > + > + intc: interrupt-controller@1 { > + compatible = "ti,omap2-intc"; > + interrupt-controller; > + #interrupt-cells =<1>; > + }; > + > + uart1: serial@0x4806a000 { Nit: The convention is without the 0x prefix. Beside that, that looks good top me. But I'll not be able to try it :-) Regards, Benoit
--- /dev/null +++ b/arch/arm/boot/dts/omap2.dtsi @@ -0,0 +1,67 @@ +/* + * Device Tree Source for OMAP2 SoC + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/include/ "skeleton.dtsi" + +/ { + compatible = "ti,omap2430", "ti,omap2420", "ti,omap2"; + + aliases { + serial0 = &uart1; + serial1 = &uart2; + serial2 = &uart3; + }; + + cpus { + cpu@0 { + compatible = "arm,arm1136jf-s"; + }; + }; + + soc { + compatible = "ti,omap-infra"; + mpu { + compatible = "ti,omap2-mpu"; + ti,hwmods = "mpu"; + }; + }; + + ocp { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + ti,hwmods = "l3_main"; + + intc: interrupt-controller@1 { + compatible = "ti,omap2-intc"; + interrupt-controller; + #interrupt-cells = <1>; + }; + + uart1: serial@0x4806a000 { + compatible = "ti,omap2-uart"; + ti,hwmods = "uart1"; + clock-frequency = <48000000>; + }; + + uart2: serial@0x4806c000 { + compatible = "ti,omap2-uart"; + ti,hwmods = "uart2"; + clock-frequency = <48000000>; + }; + + uart3: serial@0x4806e000 { + compatible = "ti,omap2-uart"; + ti,hwmods = "uart3"; + clock-frequency = <48000000>; + }; + }; +};