[PATCH v4 8/9] PCI: imx6: Add i.MX8MQ i.MX8Q and i.MX95 PCIe PM support

[Richard Zhu]

Add iMX8MQ i.MX8Q and i.MX95 PCIe suspend/resume support.

Signed-off-by: Richard Zhu <hongxing.zhu@xxxxxxx>
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
---
 drivers/pci/controller/dwc/pci-imx6.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index baa853d84b4d..1f873ac6eed2 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1497,7 +1497,8 @@ static const struct imx_pcie_drvdata drvdata[] = {
 	[IMX8MQ] = {
 		.variant = IMX8MQ,
 		.flags = IMX_PCIE_FLAG_HAS_APP_RESET |
-			 IMX_PCIE_FLAG_HAS_PHY_RESET,
+			 IMX_PCIE_FLAG_HAS_PHY_RESET |
+			 IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
 		.gpr = "fsl,imx8mq-iomuxc-gpr",
 		.clk_names = imx8mq_clks,
 		.clks_cnt = ARRAY_SIZE(imx8mq_clks),
@@ -1535,13 +1536,15 @@ static const struct imx_pcie_drvdata drvdata[] = {
 	[IMX8Q] = {
 		.variant = IMX8Q,
 		.flags = IMX_PCIE_FLAG_HAS_PHYDRV |
-			 IMX_PCIE_FLAG_CPU_ADDR_FIXUP,
+			 IMX_PCIE_FLAG_CPU_ADDR_FIXUP |
+			 IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
 		.clk_names = imx8q_clks,
 		.clks_cnt = ARRAY_SIZE(imx8q_clks),
 	},
 	[IMX95] = {
 		.variant = IMX95,
-		.flags = IMX_PCIE_FLAG_HAS_SERDES,
+		.flags = IMX_PCIE_FLAG_HAS_SERDES |
+			 IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
 		.clk_names = imx95_clks,
 		.clks_cnt = ARRAY_SIZE(imx95_clks),
 		.ltssm_off = IMX95_PE0_GEN_CTRL_3,
-- 
2.37.1