Hi,
On 02/07/17 08:02, Icenowy Zheng wrote:
> The Allwinner A83T SoC has an EMAC which is already supported by
> sun8i_emac driver in U-Boot now.
>
> Add a stub device node for it.
>
> The device node cannot work for Linux, because it now lacks the proper
> clock definition; however, it can satisfy sun8i_emac driver in U-Boot.
if you rebase your series on top of mine [1], you should be able to
directly use mainline Linux DT nodes, namely ...
>
> Signed-off-by: Icenowy Zheng <icen...@aosc.io>
> ---
> arch/arm/dts/sun8i-a83t.dtsi | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm/dts/sun8i-a83t.dtsi b/arch/arm/dts/sun8i-a83t.dtsi
> index 0fe73e173f..9aac3a7929 100644
> --- a/arch/arm/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/dts/sun8i-a83t.dtsi
> @@ -52,6 +52,10 @@
> / {
> interrupt-parent = <&gic>;
>
> + aliases {
> + ethernet0 = &emac;
> + };
> +
> cpus {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -166,6 +170,17 @@
> #interrupt-cells = <3>;
> #gpio-cells = <3>;
>
> + emac_rgmii_pins: emac-rgmii {
> + allwinner,pins = "PD2", "PD3", "PD4", "PD5",
> + "PD6", "PD7", "PD11",
> + "PD12", "PD13", "PD14",
> + "PD18", "PD19", "PD21",
> + "PD22", "PD23";
> + allwinner,function = "emac";
> + allwinner,drive = <SUN4I_PINCTRL_40_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
... using the new generic pinctrl bindings here ...
> + };
> +
> mmc0_pins_a: mmc0@0 {
> allwinner,pins = "PF0", "PF1", "PF2",
> "PF3", "PF4", "PF5";
> @@ -214,6 +229,16 @@
> status = "disabled";
> };
>
> + emac: ethernet@1c30000 {
> + compatible = "allwinner,sun8i-a83t-emac";
> + reg = <0x01c30000 0x104>, <0x01c00030 0x4>;
> + reg-names = "emac", "syscon";
> + interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
... and using the new binding scheme here, with a "syscon" property, for
instance.
Also the Linux binding requires an mdio child node, which should be
introduced here.
Cheers,
Andre.
> + };
> +
> gic: interrupt-controller@01c81000 {
> compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
> reg = <0x01c81000 0x1000>,
>
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