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pci: dw_imx: add support for IMX8MM

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Add support for the IMX8MM SoC by adding driver data with the compatible
string of the GPR controller.

Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2024-04-19 08:29:01 -07:00 • committed by Fabio Estevam
parent 2b3310ef13
commit def1d18fb8
1 changed files with 16 additions and 2 deletions
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18
drivers/pci/pcie_dw_imx.c
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@ -56,6 +56,18 @@ struct pcie_dw_imx {
struct udevice *vpcie; struct udevice *vpcie;
}; };
struct pcie_chip_info {
const char *gpr;
};
static const struct pcie_chip_info imx8mm_chip_info = {
.gpr = "fsl,imx8mm-iomuxc-gpr",
};
static const struct pcie_chip_info imx8mp_chip_info = {
.gpr = "fsl,imx8mp-iomuxc-gpr",
};
static void pcie_dw_configure(struct pcie_dw_imx *priv, u32 cap_speed) static void pcie_dw_configure(struct pcie_dw_imx *priv, u32 cap_speed)
{ {
dw_pcie_dbi_write_enable(&priv->dw, true); dw_pcie_dbi_write_enable(&priv->dw, true);
@ -242,6 +254,7 @@ static int pcie_dw_imx_remove(struct udevice *dev)
static int pcie_dw_imx_of_to_plat(struct udevice *dev) static int pcie_dw_imx_of_to_plat(struct udevice *dev)
{ {
struct pcie_chip_info *info = (void *)dev_get_driver_data(dev);
struct pcie_dw_imx *priv = dev_get_priv(dev); struct pcie_dw_imx *priv = dev_get_priv(dev);
ofnode gpr; ofnode gpr;
int ret; int ret;
@ -287,7 +300,7 @@ static int pcie_dw_imx_of_to_plat(struct udevice *dev)
goto err_phy; goto err_phy;
} }
gpr = ofnode_by_compatible(ofnode_null(), "fsl,imx8mp-iomuxc-gpr"); gpr = ofnode_by_compatible(ofnode_null(), info->gpr);
if (ofnode_equal(gpr, ofnode_null())) { if (ofnode_equal(gpr, ofnode_null())) {
dev_err(dev, "unable to find GPR node\n"); dev_err(dev, "unable to find GPR node\n");
ret = -ENODEV; ret = -ENODEV;
@ -322,7 +335,8 @@ static const struct dm_pci_ops pcie_dw_imx_ops = {
}; };
static const struct udevice_id pcie_dw_imx_ids[] = { static const struct udevice_id pcie_dw_imx_ids[] = {
{ .compatible = "fsl,imx8mp-pcie" }, { .compatible = "fsl,imx8mm-pcie", .data = (ulong)&imx8mm_chip_info, },
{ .compatible = "fsl,imx8mp-pcie", .data = (ulong)&imx8mp_chip_info, },
{ } { }
}; };