Messages in this thread Patch in this message | | | Date | Thu, 13 Jun 2013 17:52:40 +0200 | From | Pavel Machek <> | Subject | Re: N900 device tree conversion: how to do first step |
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Hi!
> * Pavel Machek <pavel@ucw.cz> [130613 07:34]: > > On Thu 2013-06-13 07:10:01, Tony Lindgren wrote: > > > * Pavel Machek <pavel@ucw.cz> [130613 06:32]: > > > > > > > If I init spi manually (and some more hacks), it works in the > > > > qemu. But I have not tested on real hw for a while. > > > > > > You should be able to initialize spi by adding the .dts entry, > > > or is there something missing in drivers/spi/spi-omap2-mcspi.c? > > > > Not sure, I guess I'll find out soon. Do you have example dts that > > uses drivers/spi/spi-omap2-mcspi.c? Grepping spi in dts/ was not too > > successful. > > Hmm I think all we have is what's written in > Documentation/devicetree/bindings/spi/omap-spi.txt and > omap4-sdp.dts.
Ok, this was easier than expected.
Now, by chance, any idea what is DT equivalent of
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
?
(Plus I'll still have to figure out why it works on emulator but not on hw).
Thanks, Pavel
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index 10a880f..3918ae1 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -65,6 +65,14 @@ status = "disabled"; }; +&mcspi1 { + mipid@2 { + compatible = "acx565akm"; + spi-max-frequency = <6000000>; + reg = <2>; + }; +}; + /* &usb_otg_hs { interface-type = <0>; diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 996ffc3..597ade9 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -130,9 +130,10 @@ void __init omap_generic_init(void) regulator_use_dummy_regulator(); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); - +#if 0 spi_register_board_info(rx51_peripherals_spi_board_info, ARRAY_SIZE(rx51_peripherals_spi_board_info)); +#endif #else rx51_video_init(); #endif
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