[PATCH v3] arm64: dts: imx8mm-emtop-baseboard: Add Ethernet Support

Tarang Raval tarang.raval at siliconsignals.io
Fri Aug 9 05:00:18 PDT 2024


I wanted to kindly follow up on the status of my patch submission. Please let me know if there are any updates.

Best regards,
Tarang
________________________________________
From: Tarang Raval <tarang.raval at siliconsignals.io>
Sent: Monday, August 5, 2024 3:42 PM
To: krzk+dt at kernel.org <krzk+dt at kernel.org>; shawnguo at kernel.org <shawnguo at kernel.org>; festevam at gmail.com <festevam at gmail.com>
Cc: Rob Herring <robh at kernel.org>; Conor Dooley <conor+dt at kernel.org>; Sascha Hauer <s.hauer at pengutronix.de>; Pengutronix Kernel Team <kernel at pengutronix.de>; devicetree at vger.kernel.org <devicetree at vger.kernel.org>; imx at lists.linux.dev <imx at lists.linux.dev>; linux-arm-kernel at lists.infradead.org <linux-arm-kernel at lists.infradead.org>; linux-kernel at vger.kernel.org <linux-kernel at vger.kernel.org>
Subject: Re: [PATCH v3] arm64: dts: imx8mm-emtop-baseboard: Add Ethernet Support
 
As per your comments on v2 patch I have shared an updated version of the patch (v3-0001-arm64-dts-imx8mm-emtop-baseboard-Add-Ethernet-Sup.patch) with the recommended corrections.
is there any updates on this patch?

Best regards,
Tarang

________________________________________
From: Tarang Raval
Sent: Thursday, July 25, 2024 5:55 PM
To: krzk+dt at kernel.org <krzk+dt at kernel.org>; shawnguo at kernel.org <shawnguo at kernel.org>; festevam at gmail.com <festevam at gmail.com>
Cc: Tarang Raval <tarang.raval at siliconsignals.io>; Rob Herring <robh at kernel.org>; Conor Dooley <conor+dt at kernel.org>; Sascha Hauer <s.hauer at pengutronix.de>; Pengutronix Kernel Team <kernel at pengutronix.de>; devicetree at vger.kernel.org <devicetree at vger.kernel.org>; imx at lists.linux.dev <imx at lists.linux.dev>; linux-arm-kernel at lists.infradead.org <linux-arm-kernel at lists.infradead.org>; linux-kernel at vger.kernel.org <linux-kernel at vger.kernel.org>
Subject: [PATCH v3] arm64: dts: imx8mm-emtop-baseboard: Add Ethernet Support
 
Add ethernet support for emtop imx8mm basboard

Signed-off-by: Tarang Raval <tarang.raval at siliconsignals.io>
---
Change in V3

        1. Add appropriate commit
        2. Add Changelog at correct place

Change in V2

        1. Add Board name into subject
        2. Remove below properties
        - at803x,eee-disabled;
        - at803x,vddio-1p8v;
---
 .../dts/freescale/imx8mm-emtop-baseboard.dts  | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts b/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
index 1c4e4d175989..7d2cb74c64ee 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
@@ -11,5 +11,53 @@ / {
         model = "Emtop Embedded Solutions i.MX8M Mini Baseboard V1";
         compatible = "ees,imx8mm-emtop-baseboard", "ees,imx8mm-emtop-som",
                 "fsl,imx8mm";
+};
+
+&fec1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_fec1>;
+       phy-mode = "rgmii-id";
+       phy-handle = <&ethphy0>;
+       fsl,magic-packet;
+       status = "okay";
+
+       mdio {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               ethphy0: ethernet-phy at 4 {
+                       compatible = "ethernet-phy-ieee802.3-c22";
+                       reg = <4>;
+                       reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+                       reset-assert-us = <10000>;
+                       vddio-supply = <&vddio>;
+
+                       vddio: vddio-regulator {
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                       };
+               };
+       };
+};
 
+&iomuxc {
+       pinctrl_fec1: fec1grp {
+               fsl,pins = <
+                       MX8MM_IOMUXC_ENET_MDC_ENET1_MDC                 0x3
+                       MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO               0x3
+                       MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3           0x1f
+                       MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2           0x1f
+                       MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1           0x1f
+                       MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0           0x1f
+                       MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3           0x91
+                       MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2           0x91
+                       MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1           0x91
+                       MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0           0x91
+                       MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC           0x1f
+                       MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC           0x91
+                       MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL     0x91
+                       MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL     0x1f
+                       MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22                0x19
+               >;
+       };
 };
--
2.34.1


More information about the linux-arm-kernel mailing list