Skip to content
Snippets Groups Projects
Select Git revision
  • master default protected
  • early-display
  • variant-emmc-nvme-boot
  • 2023-01-25
  • v3
  • variant-emmc-nvme-boot
  • 2020-06-01
7 results

sunxi_gpio.c

Blame
  • Forked from Reform / reform-boundary-uboot
    24394 commits behind the upstream repository.
    • Hans de Goede's avatar
      6c727e09
      sunxi: gpio: Add support for gpio pins on the AXP209 pmic · 6c727e09
      Hans de Goede authored
      
      Some boards use GPIO-s on the pmic, one example of this is the A13-OLinuXino
      board, which uses gpio0 of the axp209 for the lcd-power signal.
      
      This commit adds support for gpio pins on the AXP209 pmic, the sunxi_gpio.c
      changes are universal, adding gpio support for the other AXP pmics (when
      necessary) should be a matter of adding the necessary axp_gpio_foo functions
      to their resp. drivers, and add "#define AXP_GPIO" to their header file.
      
      Note this commit only adds support for the non device-model version of the
      gpio code, patches for adding support to the device-model version are very
      welcome.
      
      The string representation for these gpio-s is AXP0-#, the 0 in the AXP0 prefix
      is there in case we need to support gpio-s on more then 1 pmic in the future.
      At least A80 boards have 2 pmics, and we may end up needing to support gpio-s
      on both.
      
      Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
      Acked-by: default avatarIan Campbell <ijc@hellion.org.uk>
      6c727e09
      History
      sunxi: gpio: Add support for gpio pins on the AXP209 pmic
      Hans de Goede authored
      
      Some boards use GPIO-s on the pmic, one example of this is the A13-OLinuXino
      board, which uses gpio0 of the axp209 for the lcd-power signal.
      
      This commit adds support for gpio pins on the AXP209 pmic, the sunxi_gpio.c
      changes are universal, adding gpio support for the other AXP pmics (when
      necessary) should be a matter of adding the necessary axp_gpio_foo functions
      to their resp. drivers, and add "#define AXP_GPIO" to their header file.
      
      Note this commit only adds support for the non device-model version of the
      gpio code, patches for adding support to the device-model version are very
      welcome.
      
      The string representation for these gpio-s is AXP0-#, the 0 in the AXP0 prefix
      is there in case we need to support gpio-s on more then 1 pmic in the future.
      At least A80 boards have 2 pmics, and we may end up needing to support gpio-s
      on both.
      
      Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
      Acked-by: default avatarIan Campbell <ijc@hellion.org.uk>
    sunxi_gpio.c 6.30 KiB