linux-kernel - [PATCH 1/2] arm64: phygate-tauri-l enable pcie phy

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Date: Sat, 25 May 2024 22:48:53 +0530
From: Parthiban Nallathambi <parthiban@...umiz.com>
To: shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: kernel@...gutronix.de,
	festevam@...il.com,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Parthiban Nallathambi <parthiban@...umiz.com>
Subject: [PATCH 1/2] arm64: phygate-tauri-l enable pcie phy

I210 intel ethernet controller is connected to PCIe. Enable the PHY
to use the ethernet controller.

Signed-off-by: Parthiban Nallathambi <parthiban@...umiz.com>
---
 .../boot/dts/freescale/imx8mm-phygate-tauri-l.dts      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l.dts b/arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l.dts
index 27a902569e2a..ba6ce3c7f477 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phygate-tauri-l.dts
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
 #include "imx8mm-phycore-som.dtsi"
 
 / {
@@ -185,6 +186,15 @@ &pcie0 {
 	status = "okay";
 };
 
+&pcie_phy {
+	clocks = <&clk IMX8MM_CLK_PCIE1_PHY>;
+	fsl,clkreq-unsupported;
+	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_OUTPUT>;
+	fsl,tx-deemph-gen1 = <0x2d>;
+	fsl,tx-deemph-gen2 = <0xf>;
+	status = "okay";
+};
+
 &pwm1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm1>;
-- 
2.34.1