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ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround

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There is a pin conflict with GPIO_6. This pin functions as a power
input pin to the OV5642 camera sensor, but ENET uses it as the h/w
workaround for erratum ERR006687, to wake-up the ARM cores on normal
RX and TX packet done events. So we need to remove the h/w workaround
to support the OV5642. The result is that the CPUidle driver will no
longer allow entering the deep idle states on the sabrelite.

This is a partial revert of

commit 6261c4c8f1 ("ARM: dts: imx6qdl-sabrelite: use GPIO_6 for FEC
			interrupt.")
commit a28eeb43ee ("ARM: dts: imx6: tag boards that have the HW workaround
			for ERR006687")

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Steve Longerbeam 2017-06-12 11:23:58 -07:00 • committed by Shawn Guo
commit 4c8777892e
1 changed files with 0 additions and 4 deletions
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4
arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
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@ -270,9 +270,6 @@
txd1-skew-ps = <0>;
txd2-skew-ps = <0>;
txd3-skew-ps = <0>;
interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>,
<&intc 0 119 IRQ_TYPE_LEVEL_HIGH>;
fsl,err006687-workaround-present;
status = "okay";
};
@ -373,7 +370,6 @@
MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030
/* Phy reset */
MX6QDL_PAD_EIM_D23__GPIO3_IO23 0x000b0
MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1
>;
};