From: Pavel Machek <pavel@ucw.cz> To: Tony Lindgren <tony@atomide.com> Cc: Aaro Koskinen <aaro.koskinen@iki.fi>, pali.rohar@gmail.com, kernel list <linux-kernel@vger.kernel.org>, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>, linux-omap@vger.kernel.org Subject: Re: N900 device tree conversion: how to do first step Date: Thu, 13 Jun 2013 17:52:40 +0200 [thread overview] Message-ID: <20130613155240.GB3775@amd.pavel.ucw.cz> (raw) In-Reply-To: <20130613145724.GH8164@atomide.com> 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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From: pavel@ucw.cz (Pavel Machek) To: linux-arm-kernel@lists.infradead.org Subject: N900 device tree conversion: how to do first step Date: Thu, 13 Jun 2013 17:52:40 +0200 [thread overview] Message-ID: <20130613155240.GB3775@amd.pavel.ucw.cz> (raw) In-Reply-To: <20130613145724.GH8164@atomide.com> 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 at 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2013-06-13 15:52 UTC|newest] Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-06-09 1:59 N900 device tree conversion: how to do first step Pavel Machek 2013-06-09 1:59 ` Pavel Machek 2013-06-09 9:24 ` Pali Rohár 2013-06-09 9:24 ` Pali Rohár 2013-06-09 16:47 ` Pavel Machek 2013-06-09 16:47 ` Pavel Machek 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:03 ` Pali Rohár 2013-06-09 17:30 ` Pavel Machek 2013-06-09 17:30 ` Pavel Machek 2013-06-09 20:11 ` Aaro Koskinen 2013-06-09 20:11 ` Aaro Koskinen 2013-06-13 13:26 ` Pavel Machek 2013-06-13 13:26 ` Pavel Machek 2013-06-13 14:10 ` Tony Lindgren 2013-06-13 14:10 ` Tony Lindgren 2013-06-13 14:28 ` Pavel Machek 2013-06-13 14:28 ` Pavel Machek 2013-06-13 14:57 ` Tony Lindgren 2013-06-13 14:57 ` Tony Lindgren 2013-06-13 15:52 ` Pavel Machek [this message] 2013-06-13 15:52 ` Pavel Machek 2013-06-13 16:14 ` Tony Lindgren 2013-06-13 16:14 ` Tony Lindgren 2013-06-13 23:08 ` Pavel Machek 2013-06-13 23:08 ` Pavel Machek 2013-06-14 5:56 ` Tony Lindgren 2013-06-14 5:56 ` Tony Lindgren 2013-06-14 21:28 ` Pavel Machek 2013-06-14 21:28 ` Pavel Machek 2013-06-17 11:10 ` Tony Lindgren 2013-06-17 11:10 ` Tony Lindgren 2013-06-27 12:12 ` N900 device tree conversion: next steps Pavel Machek 2013-07-01 14:03 ` [PATCH] N900: fix operation on emulator Pavel Machek 2013-07-01 14:03 ` Pavel Machek 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 18:22 ` Sergei Shtylyov 2013-07-01 19:51 ` Pavel Machek 2013-07-01 19:51 ` Pavel Machek 2013-07-01 20:00 ` Sergei Shtylyov 2013-07-01 20:00 ` Sergei Shtylyov 2013-07-01 20:53 ` Pavel Machek 2013-07-01 20:53 ` Pavel Machek 2013-07-01 21:15 ` [PATCH] N900: enable N900-specific drivers even if device tree is enabled Pavel Machek 2013-07-01 21:15 ` Pavel Machek 2013-07-04 11:47 ` Tony Lindgren 2013-07-04 11:47 ` Tony Lindgren 2013-07-01 21:17 ` [PATCH] N900: add device tree Pavel Machek 2013-07-01 21:17 ` Pavel Machek 2013-07-04 17:19 ` Aaro Koskinen 2013-07-04 17:19 ` Aaro Koskinen 2013-07-04 20:21 ` Pavel Machek 2013-07-04 20:21 ` Pavel Machek 2013-07-04 20:32 ` Aaro Koskinen 2013-07-04 20:32 ` Aaro Koskinen 2013-07-13 12:17 ` [PATCH v2] " Pavel Machek 2013-07-13 12:17 ` Pavel Machek 2013-07-14 22:28 ` Aaro Koskinen 2013-07-14 22:28 ` Aaro Koskinen 2013-07-28 13:44 ` Pavel Machek 2013-07-28 13:44 ` Pavel Machek 2013-08-01 23:43 ` Pavel Machek 2013-08-01 23:43 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:09 ` Pavel Machek 2013-08-10 11:27 ` [PATCH] ARM: dts: omap3 / n900 support, Benoit please take me (was Re: [PATCH v2] N900: add device tree) Pavel Machek 2013-08-10 11:27 ` Pavel Machek 2013-08-10 11:46 ` [PATCH v2] N900: add device tree Belisko Marek 2013-08-10 11:46 ` Belisko Marek 2013-08-10 20:29 ` Jiri Kosina 2013-08-10 20:29 ` Jiri Kosina 2013-08-11 0:55 ` OMAP device tree maintainance (was Re: [PATCH v2] N900: add device tree) Pavel Machek 2013-08-11 0:55 ` Pavel Machek 2013-08-11 11:50 ` [PATCH v2] N900: add device tree Javier Martinez Canillas 2013-08-11 11:50 ` Javier Martinez Canillas 2013-08-11 13:47 ` Pavel Machek 2013-08-11 13:47 ` Pavel Machek 2013-08-11 13:47 ` Pavel Machek 2013-08-12 7:37 ` Tony Lindgren 2013-08-12 7:37 ` Tony Lindgren 2013-08-12 7:36 ` Tony Lindgren 2013-08-12 7:36 ` Tony Lindgren 2013-08-11 15:02 ` Javier Martinez Canillas 2013-08-11 15:02 ` Javier Martinez Canillas 2013-08-13 10:50 ` Benoit Cousson 2013-08-13 10:50 ` Benoit Cousson 2013-08-13 13:36 ` [PATCH v3] " Pavel Machek 2013-08-13 13:36 ` Pavel Machek 2013-08-13 14:06 ` Benoit Cousson 2013-08-13 14:06 ` Benoit Cousson 2013-06-26 15:14 ` N900 device tree conversion: first step Pavel Machek 2013-07-19 18:14 ` N900 device tree conversion: how to do " Sebastian Reichel 2013-07-19 18:14 ` Sebastian Reichel 2013-07-19 18:14 ` Sebastian Reichel 2013-07-28 13:37 ` Pavel Machek 2013-07-28 13:37 ` Pavel Machek
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