From: Shawn Guo <shawnguo@kernel.org>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
bhelgaas@google.com, frank.li@nxp.com, l.stach@pengutronix.de,
lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, linux-pci@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 4/4] arm64: dt: imx95: Add the missed ref clock for PCIe[0,1]
Date: Tue, 30 Dec 2025 11:28:16 +0800 [thread overview]
Message-ID: <aVNG0BjbEVHhgNCa@dragon> (raw)
In-Reply-To: <20251211064821.2707001-5-hongxing.zhu@nxp.com>
On Thu, Dec 11, 2025 at 02:48:21PM +0800, Richard Zhu wrote:
> i.MX95 PCIes have two reference clock inputs, one of them is from
> internal PLL. It's wired inside chip and present as "ref" clock. It's
> not an optional clock.
>
> Add the missed ref clock for PCIe[0,1].
>
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
It doesn't seem to apply to my tree.
Shawn
> ---
> .../boot/dts/freescale/imx95-tqma9596sa-mb-smarc-2.dts | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa-mb-smarc-2.dts b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa-mb-smarc-2.dts
> index 5b6b2bb80b288..1258fcb54681e 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa-mb-smarc-2.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa-mb-smarc-2.dts
> @@ -237,8 +237,9 @@ &pcie0 {
> clocks = <&scmi_clk IMX95_CLK_HSIO>,
> <&pcieclk 1>,
> <&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";
> reset-gpio = <&expander2 9 GPIO_ACTIVE_LOW>;
> status = "okay";
> };
> @@ -250,8 +251,9 @@ &pcie1 {
> clocks = <&scmi_clk IMX95_CLK_HSIO>,
> <&pcieclk 0>,
> <&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";
> reset-gpio = <&expander2 10 GPIO_ACTIVE_LOW>;
> status = "okay";
> };
> --
> 2.37.1
>
next prev parent reply other threads:[~2025-12-30 3:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-11 6:48 [PATCH v10 0/4] PCI: imx6: Add external reference clock mode support Richard Zhu
2025-12-11 6:48 ` [PATCH v10 1/4] dt-bindings: PCI: dwc: Add external reference clock input Richard Zhu
2025-12-11 6:48 ` [PATCH v10 2/4] dt-bindings: PCI: pci-imx6: " Richard Zhu
2025-12-11 15:20 ` Rob Herring (Arm)
2025-12-11 6:48 ` [PATCH v10 3/4] PCI: imx6: Add external reference clock input mode support Richard Zhu
2025-12-11 6:48 ` [PATCH v10 4/4] arm64: dt: imx95: Add the missed ref clock for PCIe[0,1] Richard Zhu
2025-12-30 3:28 ` Shawn Guo [this message]
2025-12-30 6:31 ` Hongxing Zhu
2025-12-23 12:35 ` (subset) [PATCH v10 0/4] PCI: imx6: Add external reference clock mode support Manivannan Sadhasivam
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