Thread (48 messages) 48 messages, 6 authors, 2021-10-28

Re: [PATCH v3 4/9] arm64: dts: imx8mm-evk: add the pcie phy support

From: Lucas Stach <l.stach@pengutronix.de>
Date: 2021-10-15 18:32:49
Also in: linux-arm-kernel, linux-phy, lkml

Am Dienstag, dem 12.10.2021 um 16:41 +0800 schrieb Richard Zhu:
quoted hunk ↗ jump to hunk
Add the PCIe PHY support on iMX8MM EVK boards.
And set the default reference clock mode.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index e033d0257b5a..2d0684ac82f6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -5,6 +5,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/phy/phy-imx8-pcie.h>
 #include <dt-bindings/usb/pd.h>
 #include "imx8mm.dtsi"
 
@@ -289,6 +290,12 @@ pca6416: gpio@20 {
 	};
 };
 
+&pcie_phy {
+	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
+	clocks = <&clk IMX8MM_CLK_DUMMY>;
Please add a fixed clock DT node for the external clock generator and
use this one instead of the dummy clock here.

Regards,
Lucas
+	status = "okay";
+};
+
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
  
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