On Thu, Sep 14, 2023 at 07:44:34PM +0800, Keguang Zhang wrote: > Add devicetree binding document for Loongson-1 Ethernet controller. > And modify MAINTAINERS to add a new F: entry for > Loongson1 dt-binding documents. > > Signed-off-by: Keguang Zhang <keguang.zhang@xxxxxxxxx> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx> -Serge(y) > --- > V4 -> V5: Add a new F: entry for Loongson1 dt-binding documents > V3 -> V4: Add "|" to description part > Amend "phy-mode" property > V2 -> V3: Split the DT-schema file into loongson,ls1b-gmac.yaml > and loongson,ls1c-emac.yaml (suggested by Serge Semin) > Change the compatibles to loongson,ls1b-gmac and loongson,ls1c-emac > Rename loongson,dwmac-syscon to loongson,ls1-syscon > Amend the title > Add description > Add Reviewed-by tag from Krzysztof Kozlowski(Sorry! I'm not sure) > V1 -> V2: Fix "clock-names" and "interrupt-names" property > Rename the syscon property to "loongson,dwmac-syscon" > Drop "phy-handle" and "phy-mode" requirement > Revert adding loongson,ls1b-dwmac/loongson,ls1c-dwmac > to snps,dwmac.yaml > > .../bindings/net/loongson,ls1b-gmac.yaml | 114 ++++++++++++++++++ > .../bindings/net/loongson,ls1c-emac.yaml | 113 +++++++++++++++++ > MAINTAINERS | 1 + > 3 files changed, 228 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/loongson,ls1b-gmac.yaml > create mode 100644 Documentation/devicetree/bindings/net/loongson,ls1c-emac.yaml > > diff --git a/Documentation/devicetree/bindings/net/loongson,ls1b-gmac.yaml b/Documentation/devicetree/bindings/net/loongson,ls1b-gmac.yaml > new file mode 100644 > index 000000000000..c4f3224bad38 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/loongson,ls1b-gmac.yaml > @@ -0,0 +1,114 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/loongson,ls1b-gmac.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson-1B Gigabit Ethernet MAC Controller > + > +maintainers: > + - Keguang Zhang <keguang.zhang@xxxxxxxxx> > + > +description: | > + Loongson-1B Gigabit Ethernet MAC Controller is based on > + Synopsys DesignWare MAC (version 3.50a). > + > + Main features > + - Dual 10/100/1000Mbps GMAC controllers > + - Full-duplex operation (IEEE 802.3x flow control automatic transmission) > + - Half-duplex operation (CSMA/CD Protocol and back-pressure support) > + - RX Checksum Offload > + - TX Checksum insertion > + - MII interface > + - RGMII interface > + > +select: > + properties: > + compatible: > + contains: > + enum: > + - loongson,ls1b-gmac > + required: > + - compatible > + > +properties: > + compatible: > + items: > + - enum: > + - loongson,ls1b-gmac > + - const: snps,dwmac-3.50a > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: stmmaceth > + > + interrupts: > + maxItems: 1 > + > + interrupt-names: > + items: > + - const: macirq > + > + loongson,ls1-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + Phandle to the syscon containing some extra configurations > + including PHY interface mode. > + > + phy-mode: > + enum: > + - mii > + - rgmii-id > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - interrupts > + - interrupt-names > + - loongson,ls1-syscon > + > +allOf: > + - $ref: snps,dwmac.yaml# > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/loongson,ls1x-clk.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + gmac0: ethernet@1fe10000 { > + compatible = "loongson,ls1b-gmac", "snps,dwmac-3.50a"; > + reg = <0x1fe10000 0x10000>; > + > + clocks = <&clkc LS1X_CLKID_AHB>; > + clock-names = "stmmaceth"; > + > + interrupt-parent = <&intc1>; > + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "macirq"; > + > + loongson,ls1-syscon = <&syscon>; > + > + phy-handle = <&phy0>; > + phy-mode = "mii"; > + snps,pbl = <1>; > + > + mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "snps,dwmac-mdio"; > + > + phy0: ethernet-phy@0 { > + reg = <0x0>; > + }; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/net/loongson,ls1c-emac.yaml b/Documentation/devicetree/bindings/net/loongson,ls1c-emac.yaml > new file mode 100644 > index 000000000000..99001b940b83 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/loongson,ls1c-emac.yaml > @@ -0,0 +1,113 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/loongson,ls1c-emac.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson-1C Ethernet MAC Controller > + > +maintainers: > + - Keguang Zhang <keguang.zhang@xxxxxxxxx> > + > +description: | > + Loongson-1C Ethernet MAC Controller is based on > + Synopsys DesignWare MAC (version 3.50a). > + > + Main features > + - 10/100Mbps > + - Full-duplex operation (IEEE 802.3x flow control automatic transmission) > + - Half-duplex operation (CSMA/CD Protocol and back-pressure support) > + - IEEE 802.1Q VLAN tag detection for reception frames > + - MII interface > + - RMII interface > + > +select: > + properties: > + compatible: > + contains: > + enum: > + - loongson,ls1c-emac > + required: > + - compatible > + > +properties: > + compatible: > + items: > + - enum: > + - loongson,ls1c-emac > + - const: snps,dwmac-3.50a > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: stmmaceth > + > + interrupts: > + maxItems: 1 > + > + interrupt-names: > + items: > + - const: macirq > + > + loongson,ls1-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + Phandle to the syscon containing some extra configurations > + including PHY interface mode. > + > + phy-mode: > + enum: > + - mii > + - rmii > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - interrupts > + - interrupt-names > + - loongson,ls1-syscon > + > +allOf: > + - $ref: snps,dwmac.yaml# > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/loongson,ls1x-clk.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + emac: ethernet@1fe10000 { > + compatible = "loongson,ls1c-emac", "snps,dwmac-3.50a"; > + reg = <0x1fe10000 0x10000>; > + > + clocks = <&clkc LS1X_CLKID_AHB>; > + clock-names = "stmmaceth"; > + > + interrupt-parent = <&intc1>; > + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "macirq"; > + > + loongson,ls1-syscon = <&syscon>; > + > + phy-handle = <&phy0>; > + phy-mode = "mii"; > + snps,pbl = <1>; > + > + mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "snps,dwmac-mdio"; > + > + phy0: ethernet-phy@13 { > + reg = <0x13>; > + }; > + }; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index fa7487b7729b..e514b53fb225 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -14379,6 +14379,7 @@ MIPS/LOONGSON1 ARCHITECTURE > M: Keguang Zhang <keguang.zhang@xxxxxxxxx> > L: linux-mips@xxxxxxxxxxxxxxx > S: Maintained > +F: Documentation/devicetree/bindings/*/loongson,ls1*.yaml > F: arch/mips/include/asm/mach-loongson32/ > F: arch/mips/loongson32/ > F: drivers/*/*loongson1* > -- > 2.39.2 > >
