Changes to the binding while converting: - add "snps,dwmac-3.7{0,2,4}a". They are used, but undocumented. - altr,f2h_ptp_ref_clk is not a required property but optional. Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx> --- .../devicetree/bindings/net/socfpga-dwmac.txt | 57 ---------- .../devicetree/bindings/net/socfpga-dwmac.yaml | 119 +++++++++++++++++++++ 2 files changed, 119 insertions(+), 57 deletions(-) diff --git a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt deleted file mode 100644 index 612a8e8abc88774619f4fd4e9205a3dd32226a9b..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt +++ /dev/null @@ -1,57 +0,0 @@ -Altera SOCFPGA SoC DWMAC controller - -This is a variant of the dwmac/stmmac driver an inherits all descriptions -present in Documentation/devicetree/bindings/net/stmmac.txt. - -The device node has additional properties: - -Required properties: - - compatible : For Cyclone5/Arria5 SoCs it should contain - "altr,socfpga-stmmac". For Arria10/Agilex/Stratix10 SoCs - "altr,socfpga-stmmac-a10-s10". - Along with "snps,dwmac" and any applicable more detailed - designware version numbers documented in stmmac.txt - - altr,sysmgr-syscon : Should be the phandle to the system manager node that - encompasses the glue register, the register offset, and the register shift. - On Cyclone5/Arria5, the register shift represents the PHY mode bits, while - on the Arria10/Stratix10/Agilex platforms, the register shift represents - bit for each emac to enable/disable signals from the FPGA fabric to the - EMAC modules. - - altr,f2h_ptp_ref_clk use f2h_ptp_ref_clk instead of default eosc1 clock - for ptp ref clk. This affects all emacs as the clock is common. - -Optional properties: -altr,emac-splitter: Should be the phandle to the emac splitter soft IP node if - DWMAC controller is connected emac splitter. -phy-mode: The phy mode the ethernet operates in -altr,sgmii-to-sgmii-converter: phandle to the TSE SGMII converter - -This device node has additional phandle dependency, the sgmii converter: - -Required properties: - - compatible : Should be altr,gmii-to-sgmii-2.0 - - reg-names : Should be "eth_tse_control_port" - -Example: - -gmii_to_sgmii_converter: phy@100000240 { - compatible = "altr,gmii-to-sgmii-2.0"; - reg = <0x00000001 0x00000240 0x00000008>, - <0x00000001 0x00000200 0x00000040>; - reg-names = "eth_tse_control_port"; - clocks = <&sgmii_1_clk_0 &emac1 1 &sgmii_clk_125 &sgmii_clk_125>; - clock-names = "tse_pcs_ref_clk_clock_connection", "tse_rx_cdr_refclk"; -}; - -gmac0: ethernet@ff700000 { - compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac"; - altr,sysmgr-syscon = <&sysmgr 0x60 0>; - reg = <0xff700000 0x2000>; - interrupts = <0 115 4>; - interrupt-names = "macirq"; - mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */ - clocks = <&emac_0_clk>; - clock-names = "stmmaceth"; - phy-mode = "sgmii"; - altr,gmii-to-sgmii-converter = <&gmii_to_sgmii_converter>; -}; diff --git a/Documentation/devicetree/bindings/net/socfpga-dwmac.yaml b/Documentation/devicetree/bindings/net/socfpga-dwmac.yaml new file mode 100644 index 0000000000000000000000000000000000000000..022d9eb7011d47666b140aaecf54541ca3dec0ec --- /dev/null +++ b/Documentation/devicetree/bindings/net/socfpga-dwmac.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/socfpga-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Altera SOCFPGA SoC DWMAC controller + +maintainers: + - Dinh Nguyen <dinguyen@xxxxxxxxxx> + +description: + This is a variant of the dwmac/stmmac driver an inherits all descriptions + present in Documentation/devicetree/bindings/net/stmmac.txt. + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + enum: + - altr,socfpga-stmmac # For Cyclone5/Arria5 SoCs + - altr,socfpga-stmmac-a10-s10 # For Arria10/Agilex/Stratix10 SoCs + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - altr,socfpga-stmmac + - const: snps,dwmac-3.70a + - items: + - enum: + - altr,socfpga-stmmac-a10-s10 + - const: snps,dwmac-3.72a + - const: snps,dwmac + - items: + - enum: + - altr,socfpga-stmmac-a10-s10 + - const: snps,dwmac-3.74a + - const: snps,dwmac + + altr,sysmgr-syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to the sysmgr node + - description: register offset that controls the PHY mode or FPGA signals + - description: register shift for the PHY mode bits or FPGA signals + description: + Should be the phandle to the system manager node that + encompasses the glue register, the register offset, and the register shift. + On Cyclone5/Arria5, the register shift represents the PHY mode bits, while + on the Arria10/Stratix10/Agilex platforms, the register shift represents + bit for each emac to enable/disable signals from the FPGA fabric to the + EMAC modules. + + altr,f2h_ptp_ref_clk: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Use f2h_ptp_ref_clk instead of default eosc1 clock + for ptp ref clk. This affects all emacs as the clock is common. + + altr,emac-splitter: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Should be the phandle to the emac splitter soft IP node if + DWMAC controller is connected emac splitter. + + phy-mode: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phy mode the ethernet operates in. + + altr,sgmii-to-sgmii-converter: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the TSE SGMII converter. + + This device node has additional phandle dependency, the sgmii converter + - compatible that should be altr,gmii-to-sgmii-2.0 + - reg-names that should be "eth_tse_control_port" + +required: + - compatible + - reg + - altr,sysmgr-syscon + +examples: + - | + //Example 1 + gmii_to_sgmii_converter: phy@100000240 { + compatible = "altr,gmii-to-sgmii-2.0"; + reg = <0x00000001 0x00000240 0x00000008>, + <0x00000001 0x00000200 0x00000040>; + reg-names = "eth_tse_control_port"; + clocks = <&sgmii_1_clk_0 &emac1 1 &sgmii_clk_125 &sgmii_clk_125>; + clock-names = "tse_pcs_ref_clk_clock_connection", "tse_rx_cdr_refclk"; + }; + + - | + //Example 2 + gmac0: ethernet@ff700000 { + compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac"; + altr,sysmgr-syscon = <&sysmgr 0x60 0>; + reg = <0xff700000 0x2000>; + interrupts = <0 115 4>; + interrupt-names = "macirq"; + mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */ + clocks = <&emac_0_clk>; + clock-names = "stmmaceth"; + phy-mode = "sgmii"; + altr,gmii-to-sgmii-converter = <&gmii_to_sgmii_converter>; + }; -- 2.46.0