Re: [PATCH v3 2/2] arm64: dts: imx8mm: Add support for emtrion emCON-MX8M Mini

Hi Reinhold,

On Thu, Dec 16, 2021 at 1:59 PM [off-list ref] wrote:

+       reserved-memory {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               rpmsg_reserved: rpmsg@b8000000 {
+                       no-map;
+                       reg = <0 0xb8000000 0 0x400000>;
+               };
+
+               loader_reserved: loader@bb700000 {
+                       no-map;
+                       reg = <0 0xbb700000 0x0 0x00100000>;
+               };
+
+               pci_reserved: pci@bb800000 {
+                       no-map;
+                       reg = <0 0xbb800000 0x0 0x00200000>;
+               };
+
+               ivshmem2_reserved: ivshmem2@bba00000 {
+                       no-map;
+                       reg = <0 0xbba00000 0x0 0x00100000>;
+               };
+
+               ivshmem_reserved: ivshmem@bbb00000 {
+                       no-map;
+                       reg = <0 0xbbb00000 0x0 0x00100000>;
+               };
+       };

Are these reserved nodes needed with mainline?

Looks like they are remnants from NXP vendor BSP.

+&fec1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_fec1>;
+       phy-mode = "rgmii-id";
+       phy-reset-gpios = <&gpio1 9 0>;

phy-reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;

Actually, phy-reset-gpios is considered deprecated.

You could also add an mdio node as fec child and:
add reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; there.