From mboxrd@z Thu Jan 1 00:00:00 1970 From: neilb@suse.de (Neil Brown) Date: Mon, 19 Oct 2015 12:46:55 +1100 Subject: [RFC PATCH 0/3] pwm: omap: Add PWM support using dual-mode timers In-Reply-To: <5620ED2C.1090107@baylibre.com> References: <5620ED2C.1090107@baylibre.com> Message-ID: <87oafvlje8.fsf@notabene.neil.brown.name> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Neil Armstrong writes: > This patch is based on an earlier patch by NeilBrown which is based on > a older patch from Grant Erickson which provided PWM devices using > the 'legacy' interface. > > The pwm driver was renamed to not be confused with the OMAP4 PWM dedicated > hardware and was cleaned with the review from Thierry Reding. > > The first patch introduces a way to select to dmtimer clock source via a > clocks binding and a dedicated function wit the legacy fallback. > > In order to prepare for the future form of the dmtimer (clksource or whatever) > the first patch introduces the PWM driver with all the dmtimer calls into a > platform data structure. > > The structure is then filled in plat-omap and added as auxdata for the > ti,pwm-dmtimer-omap compatible nodes. > > Cc: Grant Erickson > Cc: NeilBrown > Cc: Joachim Eastwood > Suggested-by: Tony Lindgren > > Neil Armstrong (3): > arm: plat-omap: dmtimer: Add clock source from DT > pwm: Add PWM driver for OMAP using dual-mode timers > arm: plat-omap: Add PWM dmtimer platforma data quirks > > .../devicetree/bindings/pwm/pwm-omap-dmtimer.txt | 18 ++ > arch/arm/mach-omap2/pdata-quirks.c | 23 ++ > arch/arm/plat-omap/dmtimer.c | 32 +- > drivers/pwm/Kconfig | 9 + > drivers/pwm/Makefile | 1 + > drivers/pwm/pwm-omap-dmtimer.c | 322 +++++++++++++++++++++ > include/linux/platform_data/pwm_omap_dmtimer.h | 69 +++++ > 7 files changed, 472 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-omap-dmtimer.txt > create mode 100644 drivers/pwm/pwm-omap-dmtimer.c > create mode 100644 include/linux/platform_data/pwm_omap_dmtimer.h > Thanks for much for doing this! I haven't looked and wont have a chance for a least a couple of weeks, but I'm very encouraged that someone is pursuing it. Thanks, NeilBrown -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 818 bytes Desc: not available URL: