[02/10] ARM: dts: imx6ul: support Engicam MicroGEA-MX6UL SoM
Commit Message
Support Engicam MicroGEA-MX6UL SoM with:
- 256 Mbytes NAND Flash
- 512 Mbytes DRAM DDR2
- Ethernet MAC
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---
.../dts/nxp/imx/imx6ull-engicam-microgea.dtsi | 96 +++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea.dtsi
Comments
> +&fec1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet1>, <&pinctrl_phy_reset>;
> + phy-mode = "rmii";
> + phy-handle = <ðphy0>;
> + local-mac-address = [00 04 9F 01 1B B9];
00:04:9f is Freescale Semiconductor. Since you are not Freescale, are
you actually allowed to use this MAC address?
If you look around, you find most boards use 00 00 00 00 00 00 as a
place holder, and the bootloader puts in the real per device MAC
address.
Andrew
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new file mode 100644
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2025 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>
+ * Copyright (C) 2025 Engicam srl
+ */
+
+/dts-v1/;
+
+ #include "imx6ull.dtsi"
+
+ / {
+ compatible = "engicam,microgea-imx6ull", "fsl,imx6ull";
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+};
+
+&fec1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet1>, <&pinctrl_phy_reset>;
+ phy-mode = "rmii";
+ phy-handle = <ðphy0>;
+ local-mac-address = [00 04 9F 01 1B B9];
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <4000>;
+ reset-deassert-us = <4000>;
+ };
+ };
+};
+
+/* NAND */
+&gpmi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpmi_nand>;
+ nand-ecc-mode = "hw";
+ nand-ecc-strength = <0>;
+ nand-ecc-step-size = <0>;
+ nand-on-flash-bbt;
+ status = "okay";
+};
+
+&iomuxc {
+
+ pinctrl_enet1: enet1grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b009
+ MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x1b0b0
+ MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0
+ >;
+ };
+
+ pinctrl_gpmi_nand: gpminandgrp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1
+ MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1
+ MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1
+ MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000
+ MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0xb0b1
+ MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1
+ MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1
+ MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1
+ MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1
+ MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1
+ MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1
+ MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1
+ MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1
+ MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1
+ MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1
+ >;
+ };
+};
+
+&iomuxc_snvs {
+ pinctrl_phy_reset: phy-resetgrp {
+ fsl,pins = <
+ MX6ULL_PAD_SNVS_TAMPER9__GPIO5_IO09 0x1b0b0
+ >;
+ };
+};