Commit 79730092 authored by Tim Harvey's avatar Tim Harvey Committed by Shawn Guo
Browse files

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



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: default avatarTim Harvey <tharvey@gateworks.com>
Reviewed-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent fea0fd09

arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts

+24 −0
Original line number Original line Diff line number Diff line
@@ -255,6 +255,10 @@ opp-750M { 
	};

	};

};

};





&disp_blk_ctrl {

	status = "disabled";

};



&ecspi1 {

&ecspi1 {

	pinctrl-names = "default";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_spi1>;

	pinctrl-0 = <&pinctrl_spi1>;
@@ -282,6 +286,14 @@ fixed-link { 
	};

	};

};

};





&gpu_2d {

	status = "disabled";

};



&gpu_3d {

	status = "disabled";

};



&i2c1 {

&i2c1 {

	clock-frequency = <100000>;

	clock-frequency = <100000>;

	pinctrl-names = "default";

	pinctrl-names = "default";
@@ -632,6 +644,18 @@ &i2c4 { 
	status = "okay";

	status = "okay";

};

};





&pgc_gpu {

	status = "disabled";

};



&pgc_gpumix {

	status = "disabled";

};



&pgc_mipi {

	status = "disabled";

};



&uart1 {

&uart1 {

	pinctrl-names = "default";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart1_gpio>;

	pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart1_gpio>;