From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Kryger Subject: [PATCH v4 0/5] Add Broadcom Kona PWM Support Date: Wed, 19 Mar 2014 17:12:23 -0700 Message-ID: <1395274348-25259-1-git-send-email-tim.kryger@linaro.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Thierry Reding , Matt Porter , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , Christian Daudt , Grant Likely Cc: Tim Kryger , Linux PWM List , Device Tree List , Linux Doc List , Linux Kernel Mailing List , Broadcom Kernel Feedback List , Linux ARM Kernel List List-Id: devicetree@vger.kernel.org This series introduces the driver for the Kona PWM controller found in Broadcom mobile SoCs like bcm281xx and updates the device tree and the defconfig to enable use of this hardware on the bcm28155 AP board. Changes since v3: - Removed polarity support for now - Cleaned up whitespace issues, shortened some variable names - Use container_of instead of dev_get_drvdata to get private data - Removed workaround for PWM framework bug - Reworded some binding documentation Changes since v2: - SoC DTS file updated to use real clock's phandle + specifier - Toggle smooth mode off during apply so new settings take immediately Changes since v1: - Fixed up macros to be clearer and more complete - Corrected spelling and punctuation mistakes - Added support for polarity - Made peripheral clock use more efficient - Made prescale and duty computation clearer - Moved Makefile addition to keep alphabetical - Split complex lines into multiple steps Dependencies: The "ARM: dts: Declare the PWM for bcm11351 (bcm281xx)" patch depends upon "ARM: dts: bcm281xx: define real clocks" which is queued up in for-next of arm-soc. See https://lkml.org/lkml/2014/2/14/451 Tim Kryger (5): Documentation: dt: Add Kona PWM binding pwm: kona: Introduce Kona PWM controller support ARM: dts: Declare the PWM for bcm11351 (bcm281xx) ARM: dts: Enable the PWM for bcm28155 AP board ARM: bcm_defconfig: Enable PWM and Backlight .../devicetree/bindings/pwm/bcm-kona-pwm.txt | 21 ++ arch/arm/boot/dts/bcm11351.dtsi | 8 + arch/arm/boot/dts/bcm28155-ap.dts | 4 + arch/arm/configs/bcm_defconfig | 2 + drivers/pwm/Kconfig | 10 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-bcm-kona.c | 295 ++++++++++++++++++++ 7 files changed, 341 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt create mode 100644 drivers/pwm/pwm-bcm-kona.c