diff mbox series

[05/23] ARM: dts: imx7[d]-mba7: hog Mini PCIe signals

Message ID 20231218125459.2769733-6-alexander.stein@ew.tq-group.com (mailing list archive)
State New, archived
Headers show
Series TQMa7x/MBa7x DT fixes | expand

Commit Message

Alexander Stein Dec. 18, 2023, 12:54 p.m. UTC 
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(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts b/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
index 34adf76b713e..8f2f3898d9d1 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
@@ -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 {