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

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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: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alexander Stein 2023-12-18 13:54:41 +01:00 committed by Shawn Guo
parent ad3af29578
commit 90ca55dc13
1 changed files with 24 additions and 4 deletions
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28
arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
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@ -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 {