[U-Boot] [PATCH 08/10] rockchip: rk3399-puma: add boot-on regulator to override BIOS_DISABLE
Simon Glass
sjg at chromium.org
Wed Sep 13 04:26:08 UTC 2017
On 11 September 2017 at 05:59, Philipp Tomsich
<philipp.tomsich at theobroma-systems.com> wrote:
> The (Qseven) BIOS_DISABLE signal on the RK3399-Q7 (Puma) keeps the
> eMMC and SPI in reset initially and we need to write a GPIO to turn
> them on before continuing the boot-up.
>
> This adds the DTS entries for the additional regulator and makes
> pinctrl and gpio3 available during SPL. It also adds a hook to the
> spl_board_init() to ensure that the regulator gets probed and enabled.
>
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>
> arch/arm/dts/rk3399-puma.dtsi | 23 +++++++++++++++++++++++
> board/theobroma-systems/puma_rk3399/puma-rk3399.c | 10 ++++++++++
> 2 files changed, 33 insertions(+)
Reviewed-by: Simon Glass <sjg at chromium.org>
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