[U-Boot] [PATCH 2/5] EXYNOS5: Add pinmux for LCD

Minkyu Kang mk7.kang at samsung.com
Thu Dec 13 03:21:35 CET 2012


On 12/12/12 23:02, Kyungmin Park wrote:
> Hi,
> 
> On Tue, Dec 11, 2012 at 8:01 PM, Ajay Kumar <ajaykumar.rs at samsung.com> wrote:
>> This patch adds pinmux configuration for backlight, LCD reset
>> and HPD for DP panel on Exynos5 SMDK.
>>
>> Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
>> ---
>>  arch/arm/cpu/armv7/exynos/pinmux.c        |   20 ++++++++++++++++++++
>>  arch/arm/include/asm/arch-exynos/periph.h |    1 +
>>  2 files changed, 21 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
>> index f02f441..84f52ea 100644
>> --- a/arch/arm/cpu/armv7/exynos/pinmux.c
>> +++ b/arch/arm/cpu/armv7/exynos/pinmux.c
>> @@ -284,6 +284,23 @@ void exynos5_spi_config(int peripheral)
>>         }
>>  }
>>
>> +void exynos5_lcd_config()
> missing void
>> +{
>> +       struct exynos5_gpio_part1 *gpio1 =
>> +               (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
>> +
>> +       /* For Backlight */
>> +       s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
>> +       s5p_gpio_set_value(&gpio1->b2, 0, 1);
>> +
>> +       /* LCD power on */
>> +       s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
>> +       s5p_gpio_set_value(&gpio1->x1, 5, 1);
>> +
>> +       /* Set Hotplug detect for DP */
>> +       s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
> It should be SMDK5250 specific codes, it can't located at common file.
> 

You can use the cfg_gpio function at your board file.

Thanks.
Minkyu Kang.


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