Hi,
On 24 October 2014 09:45, Przemyslaw Marczak <p.marc...@samsung.com> wrote:
> Setting gpio value before dm gpio init has no effect,
> so now, odroid gpio settings are moved after the gpio uclass init.
>
> Using non-requested gpio pin cases printing error messages.
> To avoid this, gpio_request() is added for those gpios.
>
> Signed-off-by: Przemyslaw Marczak <p.marc...@samsung.com>
> ---
> board/samsung/odroid/odroid.c | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c
> index 5edb250..5ce8e9f 100644
> --- a/board/samsung/odroid/odroid.c
> +++ b/board/samsung/odroid/odroid.c
> @@ -355,22 +355,36 @@ static void board_clock_init(void)
>
> static void board_gpio_init(void)
> {
> + char buf[16];
> +
> /* eMMC Reset Pin */
> + sprintf(buf, "eMMC Reset");
> + gpio_request(EXYNOS4X12_GPIO_K12, buf);
You can use:
gpio_request(EXYNOS4X12_GPIO_K12, "eMMC Reset");
Same below.
> +
> gpio_cfg_pin(EXYNOS4X12_GPIO_K12, S5P_GPIO_FUNC(0x1));
> gpio_set_pull(EXYNOS4X12_GPIO_K12, S5P_GPIO_PULL_NONE);
> gpio_set_drv(EXYNOS4X12_GPIO_K12, S5P_GPIO_DRV_4X);
>
> /* Enable FAN (Odroid U3) */
> + sprintf(buf, "FAN Control");
> + gpio_request(EXYNOS4X12_GPIO_D00, buf);
> +
> gpio_set_pull(EXYNOS4X12_GPIO_D00, S5P_GPIO_PULL_UP);
> gpio_set_drv(EXYNOS4X12_GPIO_D00, S5P_GPIO_DRV_4X);
> gpio_direction_output(EXYNOS4X12_GPIO_D00, 1);
>
> /* OTG Vbus output (Odroid U3+) */
> + sprintf(buf, "OTG Vbus");
> + gpio_request(EXYNOS4X12_GPIO_L20, buf);
> +
> gpio_set_pull(EXYNOS4X12_GPIO_L20, S5P_GPIO_PULL_NONE);
> gpio_set_drv(EXYNOS4X12_GPIO_L20, S5P_GPIO_DRV_4X);
> gpio_direction_output(EXYNOS4X12_GPIO_L20, 0);
>
> /* OTG INT (Odroid U3+) */
> + sprintf(buf, "OTG INT");
> + gpio_request(EXYNOS4X12_GPIO_X31, buf);
> +
> gpio_set_pull(EXYNOS4X12_GPIO_X31, S5P_GPIO_PULL_UP);
> gpio_set_drv(EXYNOS4X12_GPIO_X31, S5P_GPIO_DRV_4X);
> gpio_direction_input(EXYNOS4X12_GPIO_X31);
> @@ -403,7 +417,6 @@ static void board_init_i2c(void)
> int exynos_early_init_f(void)
> {
> board_clock_init();
> - board_gpio_init();
>
> return 0;
> }
> @@ -414,6 +427,8 @@ int exynos_init(void)
> gd->ram_size -= SZ_1M;
> gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS - 1].size -= SZ_1M;
>
> + board_gpio_init();
> +
> return 0;
> }
>
> --
> 1.9.1
>
Regards,
Simon
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