[U-Boot] [RFC PATCH 0/1] GPIO support for Microblaze

[Michal Simek <monstr@monstr.eu>]

Hi Simon,

here is also one small problem if you want to use patman just for one patch
then cover letter contains 0/1 but patch itself doesn't contain 1/1.

I think will be good to just add 1/1 to patch too.

Generated by:
./tools/patman/patman -c 1

Thanks,
Michal


On 04/24/2013 10:27 AM, Michal Simek wrote:
> I want to also write gpio support for Zynq
> and this driver should be also used for arm zynq.
> 
> Currently we have support just for only gpio controller
> but not for various of them.
> That's why I would like to get some input from you
> if possible to add dynamic gpio allocation which
> could be also helpful for OF support.
> 
> Output from my gpio status on Microblaze is below.
> 
> Thanks,
> Michal
> 
> U-Boot> gpio status
> 
> gpio_info: reset/40000000 (0-0)
> GPIO_0:	reset_pin is an INPUT value = 0
> 
> gpio_info: led/40040000 (1-5)
> GPIO_1:	UNKNOWN is an INPUT value = 0
> GPIO_2:	UNKNOWN is an OUTPUT value = 1
> GPIO_3:	UNKNOWN is an INPUT value = 0
> GPIO_4:	UNKNOWN is an INPUT value = 0
> GPIO_5:	UNKNOWN is an OUTPUT value = 0
> 
> 
> Michal Simek (1):
>   gpio: Add support for microblaze xilinx GPIO
> 
>  arch/microblaze/include/asm/gpio.h                 |  50 +---
>  .../xilinx/microblaze-generic/microblaze-generic.c |  17 +-
>  drivers/gpio/Makefile                              |   1 +
>  drivers/gpio/xilinx_gpio.c                         | 323 +++++++++++++++++++++
>  include/configs/microblaze-generic.h               |   3 +-
>  5 files changed, 353 insertions(+), 41 deletions(-)
>  create mode 100644 drivers/gpio/xilinx_gpio.c
> 
> --
> 1.8.2.1
> 


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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