pci: dw_imx: add support for IMX8MM
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>
diff --git a/drivers/pci/pcie_dw_imx.c b/drivers/pci/pcie_dw_imx.c
index a2ee228..fdb4637 100644
--- a/drivers/pci/pcie_dw_imx.c
+++ b/drivers/pci/pcie_dw_imx.c
@@ -56,6 +56,18 @@
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)
{
dw_pcie_dbi_write_enable(&priv->dw, true);
@@ -242,6 +254,7 @@
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);
ofnode gpr;
int ret;
@@ -287,7 +300,7 @@
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())) {
dev_err(dev, "unable to find GPR node\n");
ret = -ENODEV;
@@ -322,7 +335,8 @@
};
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, },
{ }
};