[U-Boot] [U-Boot, v3, 3/4] rockchip: veyron: Set vcc33_sd regulator value

Philipp Tomsich philipp.tomsich at theobroma-systems.com
Fri Jul 13 10:25:05 UTC 2018


> From: Carlo Caione <carlo at endlessm.com>
> 
> On the veyron board the vcc33_sd regulator is used as vmmc-supply for
> the SD card. This regulator is powered in the MMC core during power on
> but its value is never actually set.
> 
> In the veyron platform the reset value for the LDO output is 1.8V while
> the standard (min and max) value for this regulator defined in the DTS
> is 3.3V. When the MMC core enable the regulator without setting its
> value, the output is automatically set to 1.8V instead of 3.3V.
> 
> With this patch we preemptively set the value to 3.3V.
> 
> Signed-off-by: Carlo Caione <carlo at endlessm.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>  arch/arm/mach-rockchip/rk3288-board.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Applied to u-boot-rockchip, thanks!


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