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SubjectRe: [PATCH 1/2] dt-binding: mediatek: Add binding document for MediaTek GMAC
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On 9/17/2018 9:29 AM, Biao Huang wrote:

> The commit adds the device tree binding documentation for the MediaTek
> GMAC found on Mediatek MT2712.
>
> Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> ---
> .../devicetree/bindings/net/mediatek-gmac.txt | 45 ++++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/mediatek-gmac.txt
>
> diff --git a/Documentation/devicetree/bindings/net/mediatek-gmac.txt b/Documentation/devicetree/bindings/net/mediatek-gmac.txt
> new file mode 100644
> index 0000000..14876ed
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/mediatek-gmac.txt
> @@ -0,0 +1,45 @@
> +MediaTek Gigabit Ethernet controller
> +=========================================
> +
> +The gigabit ethernet controller can be found on MediaTek SoCs.
> +
> +* Ethernet controller node
> +
> +Required properties:
> +- compatible: Should be
> + "mediatek,mt2712-eth": for MT2712 SoC
> +- reg: Address and length of the register set for the device
> +- interrupts: Should contain the MAC interrupts
> +- interrupt-names: the name of interrupt in the interrupts property. These are
> + "macirq": For MT2712 SoC
> +- clocks: the clock used by the controller
> +- clock-names: the names of the clock listed in the clocks property. These are
> + "axi", "apb", "mac_ext", "ptp", "ptp_parent", "ptp_top": For MT2712 SoC
> +- mac-address: See ethernet.txt in the same directory
> +- power-domains: phandle to the power domain that the ethernet is part of

This (required) prop is absent in your example.

> +- phy-mode: See ethernet.txt file in the same directory.
> +- reset-gpio: gpio number for phy reset.
> +
> +Example:
> +
> +eth: eth@1101c000 {

eth: ethernet@1101c000 {

> + compatible = "mediatek,mt2712-eth";
> + reg = <0 0x1101c000 0 0x1200>;
> + interrupts = <GIC_SPI 237 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-names = "macirq";
> + phy-mode ="rgmii";
> + mac-address = [00 55 7b b5 7d f7];
> + clock-names = "axi",
> + "apb",
> + "mac_ext",
> + "ptp",
> + "ptp_parent",
> + "ptp_top";
> + clocks = <&pericfg CLK_PERI_GMAC>,
> + <&pericfg CLK_PERI_GMAC_PCLK>,
> + <&topckgen CLK_TOP_ETHER_125M_SEL>,
> + <&topckgen CLK_TOP_ETHER_50M_SEL>,
> + <&topckgen CLK_TOP_APLL1_D3>,
> + <&topckgen CLK_TOP_APLL1>;
> + reset-gpio = <&pio 87 GPIO_ACTIVE_HIGH>;
> + };

MBR, Sergei

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