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 --- drivers/pci/pcie_dw_imx.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pcie_dw_imx.c b/drivers/pci/pcie_dw_imx.c index a2ee228224b5..10d926c30645 100644 --- a/drivers/pci/pcie_dw_imx.c +++ b/drivers/pci/pcie_dw_imx.c @@ -45,6 +45,10 @@ #define IMX8M_GPR_PCIE_CLK_REQ_OVERRIDE_EN BIT(10) #define IMX8M_GPR_PCIE_CLK_REQ_OVERRIDE BIT(11)
+struct pcie_chip_info { + const char *gpr; +}; + struct pcie_dw_imx { /* Must be first member of the struct */ struct pcie_dw dw; @@ -54,6 +58,15 @@ struct pcie_dw_imx { struct reset_ctl apps_reset; struct phy phy; struct udevice *vpcie; + struct pcie_chip_info *info; +}; + +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) @@ -246,6 +259,8 @@ static int pcie_dw_imx_of_to_plat(struct udevice *dev) ofnode gpr; int ret;
+ priv->info = (void *)dev_get_driver_data(dev); + /* Get the controller base address */ priv->dw.dbi_base = (void *)dev_read_addr_name(dev, "dbi"); if ((fdt_addr_t)priv->dw.dbi_base == FDT_ADDR_T_NONE) { @@ -287,7 +302,7 @@ 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(), priv->info->gpr); if (ofnode_equal(gpr, ofnode_null())) { dev_err(dev, "unable to find GPR node\n"); ret = -ENODEV; @@ -322,7 +337,8 @@ 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, }, { } };