[PATCH v2 1/1] arm64: dts: imx95: add ref clock for pcie nodes
Frank Li
Frank.Li at nxp.com
Tue Feb 25 09:08:02 PST 2025
Add "ref" clock for i.MX95's pcie and fix below CHECK_DTBS warnings:
arch/arm64/boot/dts/freescale/imx95-19x19-evk.dtb: pcie at 4c300000: clock-names: ['pcie', 'pcie_bus', 'pcie_phy', 'pcie_aux'] is too short
from schema $id: http://devicetree.org/schemas/pci/fsl,imx6q-pcie.yaml
Signed-off-by: Frank Li <Frank.Li at nxp.com>
---
change from v2 - v3
- fix typo 1000000
change from v1 - v2
- rebase to dt/dt64
- add clock 100mhz
---
arch/arm64/boot/dts/freescale/imx95.dtsi | 25 ++++++++++++++++++++----
1 file changed, 21 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 51625bc9154ec..9bb26b466a061 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -291,6 +291,13 @@ sai5_mclk: clock-sai-mclk5 {
clock-output-names = "sai5_mclk";
};
+ clk_sys100m: clock-sys100m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ clock-output-names = "clk_sys100m";
+ };
+
osc_24m: clock-24m {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -1595,6 +1602,14 @@ usb3_dwc3: usb at 4c100000 {
};
};
+ hsio_blk_ctl: syscon at 4c0100c0 {
+ compatible = "nxp,imx95-hsio-blk-ctl", "syscon";
+ reg = <0x0 0x4c0100c0 0x0 0x1>;
+ #clock-cells = <1>;
+ clocks = <&clk_sys100m>;
+ power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>;
+ };
+
usb3_phy: phy at 4c1f0040 {
compatible = "fsl,imx95-usb-phy", "fsl,imx8mp-usb-phy";
reg = <0x0 0x4c1f0040 0x0 0x40>,
@@ -1633,8 +1648,9 @@ pcie0: pcie at 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>;
@@ -1706,8 +1722,9 @@ pcie1: pcie at 4c380000 {
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>;
--
2.34.1
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