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Date: Mon, 16 Dec 2013 00:27:53 +0100 From: Sebastian Reichel <sre@...ian.org> To: Sebastian Reichel <sre@...g0.de>, Linus Walleij <linus.walleij@...aro.org>, Shubhrajyoti Datta <omaplinuxkernel@...il.com>, Carlos Chinea <cch.devel@...il.com> Cc: Tony Lindgren <tony@...mide.com>, Grant Likely <grant.likely@...aro.org>, Rob Herring <rob.herring@...xeda.com>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Stephen Warren <swarren@...dotorg.org>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Rob Landley <rob@...dley.net>, 'Benoît Cousson' <bcousson@...libre.com>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, Pali Rohár <pali.rohar@...il.com>, Ивайло Димитров <freemangordon@....bg>, Joni Lapilainen <joni.lapilainen@...il.com>, Aaro Koskinen <aaro.koskinen@....fi>, Sebastian Reichel <sre@...ian.org> Subject: [RFCv4 00/11] OMAP SSI driver / N900 modem support Hi, This is the fourth round of the OMAP SSI driver patches. I added some more patches on top of the actual OMAP SSI driver, so that one can get the overall picture of the planned architecture. This patchset contains everything, that is needed to get the N900's modem running (without audio support, which requires another hsi client driver). After applying the patches one can use ofono with the N900's modem. This is what I did to test the modem: # get ofono and mdbus2 to send some dbus commands apt-get install ofono mdbus2 # ofono assumes, that gpios are available in /dev/cmt. Previously # a init script exported the gpios and symlinked them to this # directory. I added support for the gpio export directly into # nokia-cmt and I plan to write a patch for ofono to check for # the cmt gpios directly in /sys. For now this hack can be used # to test the modem. ln -sf /sys/devices/nokia-cmt.5 /dev/cmt # start ofono in debug mode export OFONO_ISI_DEBUG export OFONO_AT_DEBUG=1 ofono --nodetach --debug # enable the modem mdbus2 -s org.ofono /n900_0 org.ofono.Modem.SetProperty Powered true # enable modem's RF parts mdbus2 -s org.ofono /n900_0 org.ofono.Modem.SetProperty Online true # scan for available networks mdbus2 -s org.ofono /n900_0 org.ofono.NetworkRegistration.Scan Changes since RFCv3 [0]: * Added new patches for nokia-cmt driver * Added new patches for ssi protocol driver * Removal of ti,hwmods description from DT Documentation * Removed the hwmod patch, since it has already been applied * Misc. bug fixes TODO (short-term): * Find a DT maintainer, who has time to review the updated DT bindings * Push nokia-cmt driver through gregkh's linux-misc queue * Push hsi/ssi drivers through my new linux-hsi queue [1] * Push DTS patches through benoits queue once the other patches are queued TODO (long-term): * Central Message Queue I did not yet implement a central message queue in the HSI framework. I will do this after Nokia N900 modem is working in the mainline kernel. * Get clock data from DT This depends on a patchset, which is not yet part of any kernel tree. Apart from that I don't know which clocks will be needed. That depends on the implementation of the hwmod DTification (see next point) * Remove the hwmod DT hack This depends on some future work merging hwmod data into DT. [0] https://lkml.org/lkml/2013/10/6/127 [1] https://git.kernel.org/cgit/linux/kernel/git/sre/linux-hsi.git/ -- Sebastian Sebastian Reichel (11): HSI: method to unregister clients from an hsi port HSI: hsi-char: add Device Tree support HSI: hsi-char: fix driver for multiport scenarios ARM: OMAP2+: HSI: Introduce OMAP SSI driver Documentation: DT: omap-ssi binding documentation misc: Introduce Nokia CMT driver Documentation: DT: nokia-cmt binding documentation HSI: Introduce driver for SSI Protocol DTS: ARM: OMAP3-N900: Add SSI support DTS: ARM: OMAP3-N900: Add CMT support DTS: ARM: OMAP3-N900: Add SSI protocol support Documentation/devicetree/bindings/hsi/omap_ssi.txt | 69 + .../devicetree/bindings/misc/nokia-cmt.txt | 28 + arch/arm/boot/dts/omap3-n900.dts | 72 + arch/arm/boot/dts/omap3.dtsi | 47 + drivers/hsi/Kconfig | 1 + drivers/hsi/Makefile | 1 + drivers/hsi/clients/Kconfig | 8 + drivers/hsi/clients/Makefile | 3 +- drivers/hsi/clients/hsi_char.c | 13 +- drivers/hsi/clients/ssi_protocol.c | 1201 +++++++++++++++++ drivers/hsi/controllers/Kconfig | 19 + drivers/hsi/controllers/Makefile | 6 + drivers/hsi/controllers/omap_ssi.c | 619 +++++++++ drivers/hsi/controllers/omap_ssi.h | 166 +++ drivers/hsi/controllers/omap_ssi_port.c | 1401 ++++++++++++++++++++ drivers/hsi/controllers/omap_ssi_regs.h | 171 +++ drivers/hsi/hsi.c | 10 + drivers/misc/Kconfig | 7 + drivers/misc/Makefile | 1 + drivers/misc/nokia-cmt.c | 298 +++++ include/linux/hsi/hsi.h | 1 + include/linux/hsi/ssi_protocol.h | 41 + include/linux/nokia-cmt.h | 46 + 23 files changed, 4227 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/hsi/omap_ssi.txt create mode 100644 Documentation/devicetree/bindings/misc/nokia-cmt.txt create mode 100644 drivers/hsi/clients/ssi_protocol.c create mode 100644 drivers/hsi/controllers/Kconfig create mode 100644 drivers/hsi/controllers/Makefile create mode 100644 drivers/hsi/controllers/omap_ssi.c create mode 100644 drivers/hsi/controllers/omap_ssi.h create mode 100644 drivers/hsi/controllers/omap_ssi_port.c create mode 100644 drivers/hsi/controllers/omap_ssi_regs.h create mode 100644 drivers/misc/nokia-cmt.c create mode 100644 include/linux/hsi/ssi_protocol.h create mode 100644 include/linux/nokia-cmt.h -- 1.8.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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