@@ -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 {
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> --- arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts | 28 ++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-)