linux-kernel - [PATCH] arm64: dts: imx8mp-venice-gw74xx: add DP83867 configuration

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Date: Tue, 18 Jun 2024 13:09:01 -0700
From: Tim Harvey <tharvey@...eworks.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH] arm64: dts: imx8mp-venice-gw74xx: add DP83867 configuration

The GW7400 has an onboard DP83867 RGMII GbE PHY:
 - add RGMII delay and FIFO configuration
 - add LED configuration required to use them via netdev trigger:
   two LED's (LED1 and LED2, skipping LED0).

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 .../dts/freescale/imx8mp-venice-gw74xx.dts    | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
index a77e9a44d9fa..d765b7972841 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -9,6 +9,7 @@
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/phy/phy-imx8-pcie.h>
+#include <dt-bindings/net/ti-dp83867.h>
 
 #include "imx8mp.dtsi"
 
@@ -225,6 +226,29 @@ mdio {
 		ethphy0: ethernet-phy@0 {
 			compatible = "ethernet-phy-ieee802.3-c22";
 			reg = <0x0>;
+			ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+			tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+			rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+
+			leds {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				led@1 {
+					reg = <1>;
+					color = <LED_COLOR_ID_AMBER>;
+					function = LED_FUNCTION_LAN;
+					default-state = "keep";
+				};
+
+				led@2 {
+					reg = <2>;
+					color = <LED_COLOR_ID_GREEN>;
+					function = LED_FUNCTION_LAN;
+					default-state = "keep";
+				};
+			};
 		};
 	};
 };
-- 
2.25.1