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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-02-19 08:13:48 -0300 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2014-02-20 09:39:01 +0800 |
| commit | d2c3936ebe88ce3cc188d01be0c684884e396293 (patch) | |
| tree | cd7e346e42681e588cbefe0c46179cd9e634119e /arch/arm/boot/dts/imx6sl-evk.dts | |
| parent | 35346b229332b7a03399b256d28dfc9a951a4bc3 (diff) | |
| download | talos-op-linux-d2c3936ebe88ce3cc188d01be0c684884e396293.tar.gz talos-op-linux-d2c3936ebe88ce3cc188d01be0c684884e396293.zip | |
ARM: dts: imx6sl-evk: Keep VGEN1 regulator always enabled
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>
Diffstat (limited to 'arch/arm/boot/dts/imx6sl-evk.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6sl-evk.dts | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 889422cc2c24..864d8dfb51ca 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -195,6 +195,7 @@ vgen1_reg: vgen1 { regulator-min-microvolt = <800000>; regulator-max-microvolt = <1550000>; + regulator-always-on; }; vgen2_reg: vgen2 { |
