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arm64: dts: ti: iot2050: Refactor the m.2 and minipcie power pin

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Make the m.2 power control pin also available on miniPCIE variants.

This can fix some miniPCIE card hang issue, by forcing a power on reset
during boot.

Signed-off-by: Baocheng Su <baocheng.su@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Link: https://lore.kernel.org/r/8b2f8c1698421b8d0694eb337ad7ea2320d76aa6.1699087938.git.jan.kiszka@siemens.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Su Bao Cheng 2023-11-04 09:52:18 +01:00 committed by Nishanth Menon
parent e6a53facc8
commit 6c183a8811
3 changed files with 15 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
View File

@ -20,7 +20,9 @@
&main_gpio1 {
pinctrl-names = "default";
pinctrl-0 = <&cp2102n_reset_pin_default>;
pinctrl-0 =
<&main_pcie_enable_pins_default>,
<&cp2102n_reset_pin_default>;
gpio-line-names =
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "",

11
arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
View File

@ -852,6 +852,12 @@
>;
};
main_pcie_enable_pins_default: main-pcie-enable-default-pins {
pinctrl-single,pins = <
AM65X_IOPAD(0x01c4, PIN_INPUT_PULLUP, 7) /* (AH13) GPIO1_17 */
>;
};
main_uart1_pins_default: main-uart1-default-pins {
pinctrl-single,pins = <
AM65X_IOPAD(0x0174, PIN_INPUT, 6) /* (AE23) UART1_RXD */
@ -981,6 +987,11 @@
"", "IO9";
};
&main_gpio1 {
pinctrl-names = "default";
pinctrl-0 = <&main_pcie_enable_pins_default>;
};
&wkup_gpio0 {
pinctrl-names = "default";
pinctrl-0 =

8
arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts
View File

@ -27,12 +27,6 @@
};
&main_pmx0 {
main_m2_enable_pins_default: main-m2-enable-default-pins {
pinctrl-single,pins = <
AM65X_IOPAD(0x01c4, PIN_INPUT_PULLUP, 7) /* (AH13) GPIO1_17 */
>;
};
main_bkey_pcie_reset: main-bkey-pcie-reset-default-pins {
pinctrl-single,pins = <
AM65X_IOPAD(0x01bc, PIN_OUTPUT_PULLUP, 7) /* (AG13) GPIO1_15 */
@ -72,7 +66,7 @@
&main_gpio1 {
pinctrl-names = "default";
pinctrl-0 =
<&main_m2_enable_pins_default>,
<&main_pcie_enable_pins_default>,
<&main_pmx0_m2_config_pins_default>,
<&main_pmx1_m2_config_pins_default>,
<&cp2102n_reset_pin_default>;