Re: [PATCH v2 3/4] arm64: dts: imx8mm: add the pcie phy support
From: Lucas Stach <l.stach@pengutronix.de>
Date: 2021-09-27 08:35:24
Also in:
linux-arm-kernel, linux-phy, lkml
Am Sonntag, dem 26.09.2021 um 15:39 +0800 schrieb Richard Zhu:
Add the PCIe PHY support on iMX8MM platforms. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> --- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 4 ++++ arch/arm64/boot/dts/freescale/imx8mm.dtsi | 12 ++++++++++++
This should be split into 2 patches: one for the SoC and one for the EVK board.
quoted hunk ↗ jump to hunk
2 files changed, 16 insertions(+)diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index e033d0257b5a..e7f398433486 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi@@ -289,6 +289,10 @@ pca6416: gpio@20 { }; }; +&pcie_phy { + status = "okay"; +}; + &sai3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai3>;diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index e7648c3b8390..de231d531ba4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi@@ -998,6 +998,18 @@ usbmisc2: usbmisc@32e50200 { reg = <0x32e50200 0x200>; }; + pcie_phy: pcie-phy@32f00000 { + compatible = "fsl,imx8mm-pcie-phy"; + reg = <0x32f00000 0x10000>; + clocks = <&clk IMX8MM_CLK_PCIE1_PHY>; + clock-names = "phy"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_PHY>; + assigned-clock-rates = <100000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_100M>; + #phy-cells = <0>; + fsl,refclk-pad-mode = <1>;
Move this to the board DT, as the pad mode is a board level decision. Also use the enum instead of raw value.
+ status = "disabled";
+ };
};
dma_apbh: dma-controller@33000000 {