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Message-Id: <20241031080655.3879139-11-hongxing.zhu@nxp.com>
Date: Thu, 31 Oct 2024 16:06:55 +0800
From: Richard Zhu <hongxing.zhu@....com>
To: l.stach@...gutronix.de,
bhelgaas@...gle.com,
lpieralisi@...nel.org,
kw@...ux.com,
manivannan.sadhasivam@...aro.org,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
shawnguo@...nel.org,
frank.li@....com,
s.hauer@...gutronix.de,
festevam@...il.com
Cc: imx@...ts.linux.dev,
kernel@...gutronix.de,
linux-pci@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Richard Zhu <hongxing.zhu@....com>,
Frank Li <Frank.Li@....com>
Subject: [PATCH v5 10/10] arm64: dts: imx95: Add ref clock for i.MX95 PCIe
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@....com>
Reviewed-by: Frank Li <Frank.Li@....com>
---
arch/arm64/boot/dts/freescale/imx95.dtsi | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
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@...d0000 {
};
};
+ hsio_blk_ctl: syscon@...100c0 {
+ 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@...00000 {
compatible = "fsl,imx95-pcie";
reg = <0 0x4c300000 0 0x10000>,
@@ -1500,8 +1508,9 @@ pcie0: pcie@...00000 {
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@...00000 {
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>;
--
2.37.1
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