Integrate u-boot-seco-imx/seco_lf_v2021.04-c26_pci_pinmux (!479) · Merge requests · Clea OS / layers / seco / meta-seco-imx

[C26] set PCIe_RST# as output LOW at boot

Assert PCIe_RESET# at boot to reconfigure signals before kernel boot, e.g.: In case signals are kept HIGH from a reboot.

[C26] disable PCIe_CLK_OE_* at boot

Configure PCIe_CLK_OE_* as output low at boot to disable PCIe clock at boot. This disables the clock which could be left enabled (i.e.: reboot).

[C26] set PCIE_REF_CLK_PD to low at boot

Set PCIE_REF_CLK_PD pinmux with pull-down and output LOW. This will enable the clock generator, before kernel start.

[C26] move iomux cfg to board include

[i.MX8QM][C26] update macro for pinmux pull definition

Redefining GPIO_PAD_CTRL as pinmux WITHOUT PULL and adding GPIO_PU_PAD_CTRL as pinmux with PULL-UP.

[C26] nonfunc: cleanup commented out lines

[C26] remove reference board fdt setup

[C26] remove reference board gpio setup

Integrate u-boot-seco-imx/seco_lf_v2021.04-c26_pci_pinmux