diff mbox series

[v5,10/10] arm64: dts: imx95: Add ref clock for i.MX95 PCIe

Message ID 20241031080655.3879139-11-hongxing.zhu@nxp.com (mailing list archive)
State New
Headers show
Series A bunch of changes to refine i.MX PCIe driver | expand

Commit Message

Richard Zhu Oct. 31, 2024, 8:06 a.m. UTC 
Add ref clock for i.MX95 PCIe here, when the internal PLL is used as
PCIe reference clock.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95.dtsi | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 03661e76550f..5cb504b5f851 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -1473,6 +1473,14 @@  smmu: iommu@490d0000 {
 			};
 		};
 
+		hsio_blk_ctl: syscon@4c0100c0 {
+			compatible = "nxp,imx95-hsio-blk-ctl", "syscon";
+			reg = <0x0 0x4c0100c0 0x0 0x4>;
+			#clock-cells = <1>;
+			clocks = <&dummy>;
+			power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>;
+		};
+
 		pcie0: pcie@4c300000 {
 			compatible = "fsl,imx95-pcie";
 			reg = <0 0x4c300000 0 0x10000>,
@@ -1500,8 +1508,9 @@  pcie0: pcie@4c300000 {
 			clocks = <&scmi_clk IMX95_CLK_HSIO>,
 				 <&scmi_clk IMX95_CLK_HSIOPLL>,
 				 <&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
-				 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
-			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
+				 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>,
+				 <&hsio_blk_ctl 0>;
+			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux", "ref";
 			assigned-clocks =<&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
 					 <&scmi_clk IMX95_CLK_HSIOPLL>,
 					 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
@@ -1528,8 +1537,9 @@  pcie0_ep: pcie-ep@4c300000 {
 			clocks = <&scmi_clk IMX95_CLK_HSIO>,
 				 <&scmi_clk IMX95_CLK_HSIOPLL>,
 				 <&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
-				 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;
-			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
+				 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>,
+				 <&hsio_blk_ctl 0>;
+			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux", "ref";
 			assigned-clocks =<&scmi_clk IMX95_CLK_HSIOPLL_VCO>,
 					 <&scmi_clk IMX95_CLK_HSIOPLL>,
 					 <&scmi_clk IMX95_CLK_HSIOPCIEAUX>;