Add documentation to describe Nuvoton BMC NPCM dwmac driver(sgmii). Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx> --- .../bindings/net/nuvoton,npcm8xx-sgmii.yaml | 72 +++++++++++++++++++ .../devicetree/bindings/net/snps,dwmac.yaml | 1 + 2 files changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml diff --git a/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml b/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml new file mode 100644 index 000000000000..6a5f2cade7c9 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nuvoton,npcm8xx-sgmii.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM DWMAC SGMII Ethernet controller + +maintainers: + - Tomer Maimon <tmaimon77@xxxxxxxxx> + +select: + properties: + compatible: + contains: + enum: + - nuvoton,npcm8xx-sgmii + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - nuvoton,npcm8xx-sgmii + - const: snps,dwmac-3.50a + reg: + items: + - description: + The first range represent DWMAC controller registers. + - description: + The second range represent PCS configuration registers. + + clocks: + items: + - description: GMAC main clock + + clock-names: + items: + - const: stmmaceth + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/nuvoton,npcm845-clk.h> + + ahb { + #address-cells = <2>; + #size-cells = <2>; + + gmac0: ethernet@f0802000 { + compatible = "nuvoton,npcm8xx-sgmii","snps,dwmac-3.50a"; + reg = <0x0 0xf0802000 0x0 0x2000>, <0x0 0xf0780000 0x0 0x200>; + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq"; + clocks = <&clk NPCM8XX_CLK_AHB>; + clock-names = "stmmaceth"; + phy-mode = "rgmii-id"; + }; + }; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 5c2769dc689a..ba52dbc85144 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -66,6 +66,7 @@ properties: - ingenic,x2000-mac - loongson,ls2k-dwmac - loongson,ls7a-dwmac + - nuvoton,npcm8xx-sgmii - qcom,qcs404-ethqos - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos -- 2.33.0