Re: [PATCH v1 9/9] arm64: dts: imx95: Add ref clock for i.MX95 PCIe
From: Frank Li <Frank.li@nxp.com>
Date: 2024-09-24 16:28:25
Also in:
imx, linux-devicetree, linux-pci, lkml
On Tue, Sep 24, 2024 at 11:27:44AM +0800, Richard Zhu wrote:
Add ref clock for i.MX95 PCIe. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
below nit. Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
--- 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 1bbf9a0468f6..e66be264c2f2 100644 --- a/arch/arm64/boot/dts/freescale/imx95.dtsi +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi@@ -221,6 +221,13 @@ core5 { }; }; + clk_dummy: clock-dummy { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "clk_dummy"; + }; + clk_ext1: clock-ext1 { compatible = "fixed-clock"; #clock-cells = <0>;@@ -1055,6 +1062,14 @@ smmu: iommu@490d0000 { }; }; + hsio_blk_ctl: syscon@4c0100c0 { + compatible = "nxp,imx95-hsio-blk-ctl", "syscon"; + reg = <0x0 0x4c0100c0 0x0 0x4>; + #clock-cells = <1>; + power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>; + clocks = <&clk_dummy>;
nit: move clocks above power-domains
quoted hunk ↗ jump to hunk
+ }; + pcie0: pcie@4c300000 { compatible = "fsl,imx95-pcie"; reg = <0 0x4c300000 0 0x10000>,@@ -1082,8 +1097,9 @@ 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>;@@ -1149,8 +1165,9 @@ pcie1: pcie@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>; --2.37.1