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arm64: dts: imx8mm-venice-gw7901.dts: disable pgc_gpumix

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Since commit b21269b12e48 ("arm64: dts: imx8mm: add GPC node") the
GW7901 will hang during kernel init because it does not power the unused
GPU voltage rails on the IMX8MM. Disable pgc_gpumix to work around this.

We also disable the GPU devices that depend on the gpumix power domain
and pgc_gpu to avoid them staying in a probe deferred state forever.

Additionally as the MIPI voltage rail is also not connected on this
board we disable pgc_mipi and disp_blk_ctrl.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Tim Harvey 2021-10-06 08:38:36 -07:00 • committed by Shawn Guo
parent fea0fd097c
commit 7973009235
1 changed files with 24 additions and 0 deletions
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24
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
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@ -255,6 +255,10 @@
};
};
&disp_blk_ctrl {
status = "disabled";
};
&ecspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1>;
@ -282,6 +286,14 @@
};
};
&gpu_2d {
status = "disabled";
};
&gpu_3d {
status = "disabled";
};
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
@ -632,6 +644,18 @@
status = "okay";
};
&pgc_gpu {
status = "disabled";
};
&pgc_gpumix {
status = "disabled";
};
&pgc_mipi {
status = "disabled";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart1_gpio>;