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u-boot-megous/arch/arm/dts
Philipp Tomsich 482cf22333 rockchip: rk3399-puma: add boot-on regulator to override BIOS_DISABLE
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@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-10-01 00:33:35 +02:00
..
2017-07-11 20:28:46 -04:00
2017-08-02 09:11:51 +02:00