• Linus Torvalds's avatar
    Merge tag 'pinctrl-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl · b630a23a
    Linus Torvalds authored
    Pull pin control updates from Linus Walleij:
     "This is the bulk of pin control changes for the v4.15 kernel cycle:
       - The pin control Kconfig entry PINCTRL is now turned into a
         menuconfig option. This obviously has the implication of making the
         subsystem menu visible in menuconfig. This is happening because of
         two things:
          (a) Intel have started to deploy and depend on pin controllers in
              a way that is affecting users directly. This happens on the
              highly integrated laptop chipsets named after geographical
              places: baytrail, broxton, cannonlake, cedarfork, cherryview,
              denverton, geminilake, lewisburg, merrifield, sunrisepoint...
              It started a while back and now it is ever more evident that
              this is crucial infrastructure for x86 laptops and not an
              embedded obscurity anymore. Users need to be aware.
          (b) Pin control expanders on I2C and SPI that are arch-agnostic.
              Currently Semtech SX150X and Microchip MCP28x08 but more are
              expected. Users will have to be able to configure these in
              directly for their set-up.
       - Just go and select GPIOLIB now that we made sure that GPIOLIB is a
         very vanilla subsystem. Do not depend on it, if we need it, select
       - Exposing the pin control subsystem in menuconfig uncovered a bunch
         of obscure bugs that are now hopefully fixed, all more or less
         pertaining to Blackfin.
       - Unified namespace for cross-calls between pin control and GPIO.
       - New support for clock skew/delay generic DT bindings and generic
         pin config options for this.
       - Minor documentation improvements.
       - The Renesas SH-PFC pin controller has evolved a lot. It seems
         Renesas are churning out new SoCs by the minute.
       - A bunch of non-critical fixes for the Rockchip driver.
       - Improve the use of library functions instead of open coding.
       - Support the MCP28018 variant in the MCP28x08 driver.
       - Static constifying"
    * tag 'pinctrl-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (91 commits)
      pinctrl: gemini: Fix missing pad descriptions
      pinctrl: Add some depends on HAS_IOMEM
      pinctrl: samsung/s3c24xx: add CONFIG_OF dependency
      pinctrl: gemini: Fix GMAC groups
      pinctrl: qcom: spmi-gpio: Add pmi8994 gpio support
      pinctrl: ti-iodelay: remove redundant unused variable dev
      pinctrl: max77620: Use common error handling code in max77620_pinconf_set()
      pinctrl: gemini: Implement clock skew/delay config
      pinctrl: gemini: Use generic DT parser
      pinctrl: Add skew-delay pin config and bindings
      pinctrl: armada-37xx: Add edge both type gpio irq support
      pinctrl: uniphier: remove eMMC hardware reset pin-mux
      pinctrl: rockchip: Add iomux-route switching support for rk3288
      pinctrl: intel: Add Intel Cedar Fork PCH pin controller support
      pinctrl: intel: Make offset to interrupt status register configurable
      pinctrl: sunxi: Enforce the strict mode by default
      pinctrl: sunxi: Disable strict mode for old pinctrl drivers
      pinctrl: sunxi: Introduce the strict flag
      pinctrl: sh-pfc: Save/restore registers for PSCI system suspend
      pinctrl: sh-pfc: r8a7796: Use generic IOCTRL register description