On Tue, Sep 27, 2016 at 05:48:45PM +0200, Neil Armstrong wrote: > Since the I2C sx150x GPIO expander driver uses platform_data to manage > the pins configurations, rewrite the driver as a pinctrl driver using > pinconf to get/set pin configurations from DT or debugfs. > > The pinctrl driver is functionnally equivalent as the gpio-only driver > and can use DT for pinconf. The platform_data confirmation is dropped. > > This patchset removed the gpio-only driver and selects the Pinctrl driver > config instead. This patchset also migrates the gpio dt-bindings to pinctrl > and add the pinctrl optional properties. > > The driver was tested with a SX1509 device on a BeagleBone black with > interrupt support and on an X86_64 machine over an I2C to USB converter. > > Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > --- > This is a fixed version that builds and runs on non-OF platforms and on > arm based OF. The GPIO version is removed and the bindings are also moved > to the pinctrl bindings. > > One remaining question, should i2c_driver remove be implemented ? > It would be quite hard to implement due to the interrupt controller. > > Changes since v1 at http://lkml.kernel.org/r/1473166599-29266-1-git-send-email-narmstrong@xxxxxxxxxxxx: > - Fix Kconfig descriptions on pinctrl and gpio > - Fix Kconfig dependency > - Remove oscio support for non-789 devices > - correct typo in dt bindings > - remove probe reset for non-789 devices > > Changes since RFC at http://lkml.kernel.org/r/1472130692-14404-1-git-send-email-narmstrong@xxxxxxxxxxxx: > - Put #ifdef CONFIG_OF/CONFIG_OF_GPIO to remove OF code for non-of platforms > - No more rely on OF_GPIO config > - Moved and enhanced bindings to pinctrl bindings > - Removed gpio-sx150x.c > - Temporary select PINCTRL_SX150X when GPIO_SX150X > - Temporary mark GPIO_SX150X as deprecated > > > .../gpio-sx150x.txt => pinctrl/pinctrl-sx150x.txt} | 46 +- Acked-by: Rob Herring <robh@xxxxxxxxxx> > drivers/gpio/Kconfig | 13 +- > drivers/gpio/Makefile | 1 - > drivers/pinctrl/Kconfig | 14 + > drivers/pinctrl/Makefile | 1 + > .../gpio-sx150x.c => pinctrl/pinctrl-sx150x.c} | 1179 ++++++++++++-------- > 6 files changed, 782 insertions(+), 472 deletions(-) > rename Documentation/devicetree/bindings/{gpio/gpio-sx150x.txt => pinctrl/pinctrl-sx150x.txt} (40%) > rename drivers/{gpio/gpio-sx150x.c => pinctrl/pinctrl-sx150x.c} (24%) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html