From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Abraham Subject: [PATCH v3 0/2] Add lcd driver for panels with gpio controlled panel reset Date: Mon, 26 Mar 2012 14:16:38 +0530 Message-ID: <1332751600-11371-1-git-send-email-thomas.abraham@linaro.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: rpurdie@rpsys.net, florianSchandinat@gmx.de, devicetree-discuss@lists.ozlabs.org, linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org, grant.likely@secretlab.ca, rob.herring@calxeda.com, kgene.kim@samsung.com, jg1.han@samsung.com, broonie@opensource.wolfsonmicro.com, kyungmin.park@samsung.com, augulis.darius@gmail.com, ben-linux@fluff.org, lars@metafoo.de, patches@linaro.org List-Id: devicetree@vger.kernel.org Changes since v2: - Reworked as per comments[1] from Mark Brown. - removed the setting of regulator voltage. [1] http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg08743.html Changes since v1: - Fixed gpio leak, added MODULE_DEVICE_TABLE and dev_pm_ops. - Changed device tree bindings. This patchset adds support for passive panels that use a nRESET line which is controlled by a GPIO of the host system and which do not use a serial comamnd interface (i2c or spi) or memory-mapped-io interface. Platforms that do not require any additional control apart from the nRESET line can use this driver for lcd power control. The first patch adds driver for passive raster-type lcd's with gpio controlled panel reset. It includes support for both dt and non-dt platforms. The second patch adds support for using this driver on Origen board. Thomas Abraham (2): backlight: lcd: add driver for raster-type lcd's with gpio controlled panel reset ARM: Exynos: Use lcd power control driver for lcd panel .../devicetree/bindings/lcd/lcd-pwrctrl.txt | 36 +++ arch/arm/mach-exynos/mach-origen.c | 29 +-- drivers/video/backlight/Kconfig | 7 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/lcd_pwrctrl.c | 226 ++++++++++++++++++++ include/video/lcd_pwrctrl.h | 24 ++ 6 files changed, 300 insertions(+), 23 deletions(-) create mode 100644 Documentation/devicetree/bindings/lcd/lcd-pwrctrl.txt create mode 100644 drivers/video/backlight/lcd_pwrctrl.c create mode 100644 include/video/lcd_pwrctrl.h