[U-Boot] [PATCH 0/3] dm: gpio: Add driver for MPC85xx GPIO controller

Mario Six mario.six at gdsys.cc
Tue Apr 26 16:08:25 CEST 2016


The functions for accessing GPIOs on MPC85xx are hardcoded in
arch/powerpc/include/asm/mpc85xx_gpio.h This leads to problems if another GPIO
controller supporting the driver model is to be used simultaneously.

Therefore, this patch moves the "static" functions into a DM-compatible driver,
and also introduces a set of functions into the GPIO uclass that expose the
controller's capability to switch individual GPIOs into open-drain-mode.

Mario Six (3):
  dm: gpio: Add driver for MPC85XX GPIO controller
  dm: gpio: Add methods for open drain setting
  dm: gpio: Implement open drain for MPC85XX GPIO

 arch/powerpc/include/asm/arch-mpc85xx/gpio.h |   2 +
 arch/powerpc/include/asm/immap_85xx.h        |   2 +
 drivers/gpio/Kconfig                         |   6 +
 drivers/gpio/Makefile                        |   1 +
 drivers/gpio/gpio-uclass.c                   |  30 ++++
 drivers/gpio/mpc85xx_gpio.c                  | 223 +++++++++++++++++++++++++++
 include/asm-generic/gpio.h                   |  29 ++++
 7 files changed, 293 insertions(+)
 create mode 100644 drivers/gpio/mpc85xx_gpio.c

--
2.7.0.GIT



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