Add support for the IMX8MM SoC by adding driver data with the compatible string of the GPR controller.
Signed-off-by: Tim Harvey tharvey@gateworks.com --- v2: do not cache chip info in priv per Marek's suggestion --- drivers/pci/pcie_dw_imx.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pcie_dw_imx.c b/drivers/pci/pcie_dw_imx.c index a2ee228224b5..fdb463710ba1 100644 --- a/drivers/pci/pcie_dw_imx.c +++ b/drivers/pci/pcie_dw_imx.c @@ -56,6 +56,18 @@ struct pcie_dw_imx { 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_remove(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); ofnode gpr; int ret; @@ -287,7 +300,7 @@ static int pcie_dw_imx_of_to_plat(struct udevice *dev) 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 dm_pci_ops pcie_dw_imx_ops = { };
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, }, { } };