On Sat, Nov 09, 2019 at 05:15:18PM +0200, Grygorii Strashko wrote: > Add bindings for the new TI CPSW switch driver. Comparing to the legacy > bindings (net/cpsw.txt): > - ports definition follows DSA bindings (net/dsa/dsa.txt) and ports can be > marked as "disabled" if not physically wired. > - all deprecated properties dropped; > - all legacy propertiies dropped which represent constant HW cpapbilities > (cpdma_channels, ale_entries, bd_ram_size, mac_control, slaves, > active_slave) > - TI CPTS DT properties are reused as is, but grouped in "cpts" sub-node > - TI Davinci MDIO DT bindings are reused as is, because Davinci MDIO is > reused. > > Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx> > --- > .../bindings/net/ti,cpsw-switch.yaml | 245 ++++++++++++++++++ > 1 file changed, 245 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml > > diff --git a/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml b/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml > new file mode 100644 > index 000000000000..afeb6a4f1ada > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml > @@ -0,0 +1,245 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/ti,cpsw-switch.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI SoC Ethernet Switch Controller (CPSW) Device Tree Bindings > + > +maintainers: > + - Grygorii Strashko <grygorii.strashko@xxxxxx> > + - Sekhar Nori <nsekhar@xxxxxx> > + > +description: > + The 3-port switch gigabit ethernet subsystem provides ethernet packet > + communication and can be configured as an ethernet switch. It provides the > + gigabit media independent interface (GMII),reduced gigabit media > + independent interface (RGMII), reduced media independent interface (RMII), > + the management data input output (MDIO) for physical layer device (PHY) > + management. > + > +properties: > + compatible: > + oneOf: > + - const: ti,cpsw-switch > + - items: > + - const: ti,am335x-cpsw-switch > + - const: ti,cpsw-switch > + - items: > + - const: ti,am4372-cpsw-switch > + - const: ti,cpsw-switch > + - items: > + - const: ti,dra7-cpsw-switch > + - const: ti,cpsw-switch > + > + reg: > + maxItems: 1 > + description: > + The physical base address and size of full the CPSW module IO range > + > + ranges: true > + > + clocks: > + maxItems: 1 > + description: CPSW functional clock > + > + clock-names: > + maxItems: 1 > + items: > + - const: fck > + > + interrupts: > + maxItems: 4 Implied by 'items' list. > + items: > + - description: RX_THRESH interrupt > + - description: RX interrupt > + - description: TX interrupt > + - description: MISC interrupt > + > + interrupt-names: > + maxItems: 4 Implied by 'items' list. > + items: > + - const: "rx_thresh" > + - const: "rx" > + - const: "tx" > + - const: "misc" > + > + pinctrl-names: true > + > + syscon: > + $ref: /schemas/types.yaml#definitions/phandle > + maxItems: 1 Not an array, so not needed. > + description: > + Phandle to the system control device node which provides access to > + efuse IO range with MAC addresses > + > + > + ethernet-ports: > + type: object > + properties: > + '#address-cells': > + const: 1 > + '#size-cells': > + const: 0 > + > + patternProperties: > + "^port@[0-9]+$": > + type: object > + minItems: 1 > + maxItems: 2 > + description: CPSW external ports > + > + allOf: > + - $ref: ethernet-controller.yaml# > + > + properties: > + reg: > + maxItems: 1 > + enum: [1, 2] > + description: CPSW port number > + > + phys: > + $ref: /schemas/types.yaml#definitions/phandle-array > + maxItems: 1 > + description: phandle on phy-gmii-sel PHY > + > + label: > + $ref: /schemas/types.yaml#/definitions/string-array > + maxItems: 1 > + description: label associated with this port > + > + ti,dual-emac-pvid: > + $ref: /schemas/types.yaml#/definitions/uint32 > + maxItems: 1 > + minimum: 1 > + maximum: 1024 > + description: > + Specifies default PORT VID to be used to segregate > + ports. Default value - CPSW port number. > + > + required: > + - reg > + - phys > + > + mdio: > + type: object > + allOf: > + - $ref: "ti,davinci-mdio.yaml#" > + description: > + CPSW MDIO bus. > + > + cpts: > + type: object > + description: > + The Common Platform Time Sync (CPTS) module > + > + properties: > + clocks: > + maxItems: 1 > + description: CPTS reference clock > + > + clock-names: > + maxItems: 1 > + items: > + - const: cpts > + > + cpts_clock_mult: > + $ref: /schemas/types.yaml#/definitions/uint32 > + maxItems: 1 Not an array, so not needed. Is there a set or range of values you can define? > + description: > + Numerator to convert input clock ticks into ns > + > + cpts_clock_shift: > + $ref: /schemas/types.yaml#/definitions/uint32 > + maxItems: 1 Same comments here. > + description: > + Denominator to convert input clock ticks into ns. > + Mult and shift will be calculated basing on CPTS rftclk frequency if > + both cpts_clock_shift and cpts_clock_mult properties are not provided. > + > + required: > + - clocks > + - clock-names > + > +required: > + - compatible > + - reg > + - ranges > + - clocks > + - clock-names > + - interrupts > + - interrupt-names > + - '#address-cells' > + - '#size-cells' > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/clock/dra7.h> > + > + mac_sw: switch@0 { > + compatible = "ti,dra7-cpsw-switch","ti,cpsw-switch"; > + reg = <0x0 0x4000>; > + ranges = <0 0 0x4000>; > + clocks = <&gmac_main_clk>; > + clock-names = "fck"; > + #address-cells = <1>; > + #size-cells = <1>; > + syscon = <&scm_conf>; > + inctrl-names = "default", "sleep"; > + > + interrupts = <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "rx_thresh", "rx", "tx", "misc"; > + > + ethernet-ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpsw_port1: port@1 { > + reg = <1>; > + label = "port1"; > + mac-address = [ 00 00 00 00 00 00 ]; > + phys = <&phy_gmii_sel 1>; > + phy-handle = <ðphy0_sw>; > + phy-mode = "rgmii"; > + ti,dual_emac_pvid = <1>; > + }; > + > + cpsw_port2: port@2 { > + reg = <2>; > + label = "wan"; > + mac-address = [ 00 00 00 00 00 00 ]; > + phys = <&phy_gmii_sel 2>; > + phy-handle = <ðphy1_sw>; > + phy-mode = "rgmii"; > + ti,dual_emac_pvid = <2>; > + }; > + }; > + > + davinci_mdio_sw: mdio@1000 { > + compatible = "ti,cpsw-mdio","ti,davinci_mdio"; > + reg = <0x1000 0x100>; > + clocks = <&gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 0>; > + clock-names = "fck"; > + #address-cells = <1>; > + #size-cells = <0>; > + bus_freq = <1000000>; > + > + ethphy0_sw: ethernet-phy@0 { > + reg = <0>; > + }; > + > + ethphy1_sw: ethernet-phy@1 { > + reg = <41>; make dt_binding_check fails: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/ti,cpsw-switch.example.dt.yaml: mdio@1000: ethernet-phy@1:reg:0:0: 41 is greater than the maximum of 31 /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/ti,cpsw-switch.example.dt.yaml: ethernet-phy@1: reg:0:0: 41 is greater than the maximum of 31 > + }; > + }; > + > + cpts { > + clocks = <&gmac_clkctrl DRA7_GMAC_GMAC_CLKCTRL 25>; > + clock-names = "cpts"; > + }; > + }; > -- > 2.17.1 >
