On 10/13/21 10:40 PM, Lukasz Majewski wrote: > The imx28 uses following voltage supplies hierarchy: > > VDD_5V (VDD_BAT) -> VDDIO -> VDDA -> VDDMEM > \-----> VDDD > > One shall first enable DCDC on the parent source (VDDIO) and then > follow with its children. > > Signed-off-by: Lukasz Majewski <[email protected]>
Reviewed-by: Jaehoon Chung <[email protected]> Best Regards, Jaehoon Chung > --- > arch/arm/cpu/arm926ejs/mxs/spl_power_init.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c > b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c > index 35ea71a5ba8..c33170f06d3 100644 > --- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c > +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c > @@ -627,11 +627,11 @@ static void mxs_power_enable_4p2(void) > > mxs_power_init_dcdc_4p2_source(); > > - writel(vdddctrl, &power_regs->hw_power_vdddctrl); > + writel(vddioctrl, &power_regs->hw_power_vddioctrl); > early_delay(20); > writel(vddactrl, &power_regs->hw_power_vddactrl); > early_delay(20); > - writel(vddioctrl, &power_regs->hw_power_vddioctrl); > + writel(vdddctrl, &power_regs->hw_power_vdddctrl); > > /* > * Check if FET is enabled on either powerout and if so, >
