[U-Boot] [PATCH] sunxi: fix DCDC2 output in CHIP_defconfig

Siarhei Siamashka siarhei.siamashka at gmail.com
Mon Mar 7 14:50:11 CET 2016


On Mon,  7 Mar 2016 13:44:11 +0100
Maxime Ripard <maxime.ripard at free-electrons.com> wrote:

> From: Boris Brezillon <boris.brezillon at free-electrons.com>
> 
> Unlike the datasheet recommendation, the R8 SoC requires a 1.4V supply
> for its CPU when operating at 1Ghz.

That's interesting. Is this R8 SoC datasheet with the Allwinner
recommended cpufreq operating points available in public access
somewhere?

Are they really recommending 1008MHz @1.3V there?

> Rely on the default value specified in the Kconfig entry.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> ---
>  configs/CHIP_defconfig | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/configs/CHIP_defconfig b/configs/CHIP_defconfig
> index 78b2c511bfa2..3135d1c88e79 100644
> --- a/configs/CHIP_defconfig
> +++ b/configs/CHIP_defconfig
> @@ -9,7 +9,6 @@ CONFIG_SPL=y
>  CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2"
>  # CONFIG_CMD_IMLS is not set
>  CONFIG_CMD_GPIO=y
> -CONFIG_AXP_DCDC2_VOLT=1300
>  CONFIG_AXP_ALDO3_VOLT=3300
>  CONFIG_AXP_ALDO4_VOLT=3300
>  CONFIG_USB_MUSB_GADGET=y

-- 
Best regards,
Siarhei Siamashka


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