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pci: imx: use vpcie-supply if defined by device-tree

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If vpcie-supply is defined by device-tree use that if
CONFIG_PCIE_IMX_POWER_GPIO is not defined.

Note that after this the following boards which define
CONFIG_PCIE_IMX_POWER_GPIO in their board header file as well as their
device-tree should be able to remove CONFIG_PCIE_IMX_PERST_GPIO without
consequence:
 - mx6sabresd
 - mx6sxsabresd
 - novena

Note that the ge_bx50v3 board uses CONFIG_PCIE_IMX_POWER_GPIO and does
not have vpcie-supply defined in it's pcie node in the dt thus removing
CONFIG_PCIE_IMX_POWER_GPIO globally can't be done until that board adds
vpcie-supply.

Cc: Ian Ray <ian.ray@ge.com> (maintainer:GE BX50V3 BOARD)
Cc: Sebastian Reichel <sebastian.reichel@collabora.com> (maintainer:GE BX50V3 BOARD)
Cc: Fabio Estevam <festevam@gmail.com> (maintainer:MX6SABRESD BOARD)
Cc: Marek Vasut <marex@denx.de> (maintainer:NOVENA BOARD)
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey
2022-04-13 15:54:37 -07:00
committed by Stefano Babic
parent fc102c87c1
commit 6f6e069ca3
2 changed files with 18 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/arch-mx6/sys_proto.h
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@@ -18,7 +18,7 @@
#define is_usbotg_phy_active(void) (!(readl(USB_PHY0_BASE_ADDR + USBPHY_PWD) & \
USBPHY_PWD_RXPWDRX))
int imx6_pcie_toggle_power(void);
int imx6_pcie_toggle_power(struct udevice *vpcie);
int imx6_pcie_toggle_reset(struct gpio_desc *gpio, bool active_high);
enum ldo_reg {