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ARM: dts: imx6sl-evk: Keep VGEN1 regulator always enabled

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On imx6sl-evk board the VGEN1 regulator powers up the NVCC_1P2V domain of the
imx6sl SoC, so we need to keep it always powered.

According to imx6sl datasheet the GPIO block has three supplies:
NVCC33_IO, NVCC18_IO and NVCC_1P2V and it states that:
"All digital I/O supplies (NVCC_xxxx) must be powered under normal conditions
whether the associated I/O pins are in use or not"

This problem has been observed by the fact that a GPIO connected to an LED could
not work when the PMIC driver was enabled.

Keeping VGEN1 regulator always enabled fixes the problem.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Fabio Estevam
2014-02-19 08:13:48 -03:00
committed by Shawn Guo
parent 35346b2293
commit d2c3936ebe
1 changed files with 1 additions and 0 deletions
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1
arch/arm/boot/dts/imx6sl-evk.dts
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@@ -195,6 +195,7 @@ vref_reg: vrefddr {
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
regulator-always-on;
};
vgen2_reg: vgen2 {