Commit 90ca55dc authored by Alexander Stein's avatar Alexander Stein Committed by Shawn Guo
Browse files

ARM: dts: imx7[d]-mba7: hog Mini PCIe signals 



PCIE_DIS & PCIE_RST (correctly named W_DISABLE# & PERST#) affect USB
devices as well. So hog them to make USB devices attached to Mini PCIe
connector available, despite PCIe being disabled.
Supply voltages are enabled unconditionally.

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent ad3af295

arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts

+24 −4
Original line number Diff line number Diff line
@@ -46,9 +46,25 @@ ethphy2_0: ethernet-phy@0 { 
	};

};



&gpio2 {

	pcie-dis-hog {

		gpio-hog;

		gpios = <29 GPIO_ACTIVE_HIGH>;

		output-high;

		line-name = "pcie-dis";

	};



	pcie-rst-hog {

		gpio-hog;

		gpios = <12 GPIO_ACTIVE_HIGH>;

		output-high;

		line-name = "pcie-rst";

	};

};



&iomuxc {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_hog_mba7_1>;

	pinctrl-0 = <&pinctrl_hog_mba7_1>, <&pinctrl_hog_pcie>;



	pinctrl_enet2: enet2grp {

		fsl,pins =
@@ -76,15 +92,19 @@ pinctrl_enet2_phy: enet2phygrp { 
			<MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31	0x40000078>;

	};



	pinctrl_pcie: pciegrp {

	pinctrl_hog_pcie: hogpciegrp {

		fsl,pins =

			/* #pcie_wake */

			<MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30		0x70>,

			/* #pcie_rst */

			<MX7D_PAD_SD2_CLK__GPIO5_IO12			0x70>,

			/* #pcie_dis */

			<MX7D_PAD_EPDC_BDR1__GPIO2_IO29			0x70>;

	};



	pinctrl_pcie: pciegrp {

		fsl,pins =

			/* #pcie_wake */

			<MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30		0x70>;

	};

};



&iomuxc_lpsr {