[U-Boot] [PATCH v1 2/9] apalis-tk1: set apalis gpio 8 aka fan_en

[Oleksandr Suvorov]

On Wed, Jul 31, 2019 at 3:07 PM Igor Opaniuk <igor.opaniuk at gmail.com> wrote:
>
> From: Igor Opaniuk <igor.opaniuk at toradex.com>
>
> Make sure the Apalis GPIO 8 aka FAN_EN is on when using Apalis TK1
> modules.
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk at toradex.com>
> Signed-off-by: Dominik Sliwa <dominik.sliwa at toradex.com>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>

> ---
>
>  board/toradex/apalis-tk1/apalis-tk1.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/board/toradex/apalis-tk1/apalis-tk1.c b/board/toradex/apalis-tk1/apalis-tk1.c
> index b87e9e7a3e..d57c5042dd 100644
> --- a/board/toradex/apalis-tk1/apalis-tk1.c
> +++ b/board/toradex/apalis-tk1/apalis-tk1.c
> @@ -19,6 +19,7 @@
>
>  #define LAN_DEV_OFF_N  TEGRA_GPIO(O, 6)
>  #define LAN_RESET_N    TEGRA_GPIO(S, 2)
> +#define FAN_EN         TEGRA_GPIO(DD, 2)
>  #define LAN_WAKE_N     TEGRA_GPIO(O, 5)
>  #ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT
>  #define PEX_PERST_N    TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
> @@ -241,6 +242,15 @@ void tegra_pcie_board_port_reset(struct tegra_pcie_port *port)
>  }
>  #endif /* CONFIG_PCI_TEGRA */
>
> +/*
> + * Enable/start PWM CPU fan
> + */
> +void start_cpu_fan(void)
> +{
> +       gpio_request(FAN_EN, "FAN_EN");
> +       gpio_direction_output(FAN_EN, 1);
> +}
> +
>  /*
>   * Backlight off before OS handover
>   */
> --
> 2.17.1
>
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-- 
Best regards
Oleksandr Suvorov

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