diff options
| author | Lukasz Majewski | 2021-10-13 15:40:12 +0200 |
|---|---|---|
| committer | Stefano Babic | 2022-02-05 13:38:38 +0100 |
| commit | 91f27f3ba854409a3575a5b2d6e3f31526092f2b (patch) | |
| tree | 3ef13cf333806ba957513ec44b47cd12e810a1a2 /arch/arm/cpu | |
| parent | cd0ecb3d806dc107218a56b615471815e42784fa (diff) | |
mxs: power: Change sequence of enabling DCDC switches
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 <lukma@denx.de>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_power_init.c | 4 |
1 files 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, |