[U-Boot] [PATCH v8 1/2] S5P: Exynos: Add GPIO pin numbering and rename definitions

Akshay Saraswat akshay.s at samsung.com
Wed Apr 16 15:27:09 CEST 2014


Dear Jaehoon Chung,

>Hi, Akshay.
>
>Did you test exynos4 board?
>I have tested your patch-set with the exynos4 board(TRATS2).
>It didn't work. 
>

No, I didn't test it over Exynos4 boards. I don't have any working.
Thanks for testing. :-)

>
>Occurred DATA_ABORT.
>gpio_set_pull(EXYNOS4x12_GPIO_X15,...);
>
>Add the comment at below.
>
>On 04/16/2014 02:32 PM, Akshay Saraswat wrote:
>> This patch includes following changes :
>> * Adds gpio pin numbering support for EXYNOS SOCs.
>>   To have consistent 0..n-1 GPIO numbering the banks are divided
>>   into different parts where ever they have holes in them.
>> 
>> * Rename GPIO definitions from GPIO_... to S5P_GPIO_...
>>   These changes were done to enable cmd_gpio for EXYNOS and
>>   cmd_gpio has GPIO_INPUT same as s5p_gpio driver and hence
>>   getting a error during compilation.
>> 
>> * Adds support for name to gpio conversion in s5p_gpio to enable
>>   gpio command EXYNOS SoCs. Function has been added to asm/gpio.h
>>   to decode the input gpio name to gpio number.
>>   Example: SMDK5420 # gpio set gpa00
>> 
>> Signed-off-by: Leela Krishna Amudala <l.krishna at samsung.com>
>> Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
>> Signed-off-by: Akshay Saraswat <akshay.s at samsung.com>
>> ---
>>  arch/arm/cpu/armv7/exynos/pinmux.c       |  403 +++----
>>  arch/arm/include/asm/arch-exynos/cpu.h   |   17 +-
>>  arch/arm/include/asm/arch-exynos/gpio.h  | 1778 +++++++++++++++++++++++++-----
>>  arch/arm/include/asm/arch-s5pc1xx/gpio.h |  941 +++++++++++++---
>>  board/samsung/arndale/arndale.c          |   11 +-
>>  board/samsung/goni/goni.c                |   26 +-
>>  board/samsung/smdk5250/exynos5-dt.c      |   20 +-
>>  board/samsung/smdk5250/smdk5250.c        |   19 +-
>>  board/samsung/smdk5420/smdk5420.c        |   15 +-
>>  board/samsung/smdkc100/smdkc100.c        |    5 +-
>>  board/samsung/smdkv310/smdkv310.c        |   17 +-
>>  board/samsung/trats/trats.c              |   39 +-
>>  board/samsung/trats2/trats2.c            |   74 +-
>>  board/samsung/universal_c210/universal.c |   51 +-
>>  drivers/gpio/s5p_gpio.c                  |  194 +++-
>>  15 files changed, 2779 insertions(+), 831 deletions(-)
>> 
>> diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
>> index 9edb475..e26eb51 100644
>> --- a/arch/arm/cpu/armv7/exynos/pinmux.c
>> +++ b/arch/arm/cpu/armv7/exynos/pinmux.c
>> @@ -13,30 +13,23 @@
>
>[..snip..]
>
>> -
>> +#if 0
>>  /* functions */
>>  void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
>>  void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
>> @@ -244,6 +29,7 @@ unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
>>  void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
>>  void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
>>  void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
>> +#endif
>
>Why did you use the "#if 0 ~ #endif".
>If it didn't need to use, it can be removed, isn't?
>

Apologies, missed it while cleanup. Will remove it.

>
>Best Regards,
>Jaehoon Chung
>

Regards,
Akshay Saraswat


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