| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/net/ti,icssg-prueth.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Texas Instruments ICSSG PRUSS Ethernet |
| |
| maintainers: |
| - Md Danish Anwar <danishanwar@ti.com> |
| |
| description: |
| Ethernet based on the Programmable Real-Time Unit and Industrial |
| Communication Subsystem. |
| |
| properties: |
| compatible: |
| enum: |
| - ti,am642-icssg-prueth # for AM64x SoC family |
| - ti,am654-icssg-prueth # for AM65x SoC family |
| - ti,am654-sr1-icssg-prueth # for AM65x SoC family, SR1.0 |
| |
| sram: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to MSMC SRAM node |
| |
| dmas: |
| minItems: 10 |
| maxItems: 12 |
| |
| dma-names: |
| minItems: 10 |
| items: |
| - const: tx0-0 |
| - const: tx0-1 |
| - const: tx0-2 |
| - const: tx0-3 |
| - const: tx1-0 |
| - const: tx1-1 |
| - const: tx1-2 |
| - const: tx1-3 |
| - const: rx0 |
| - const: rx1 |
| - const: rxmgm0 |
| - const: rxmgm1 |
| |
| ti,mii-g-rt: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to MII_G_RT module's syscon regmap. |
| |
| ti,mii-rt: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to MII_RT module's syscon regmap |
| |
| ti,pa-stats: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to PA_STATS module's syscon regmap. PA_STATS is a set of |
| registers where different statistics related to ICSSG, are dumped by |
| ICSSG firmware. PA_STATS module's syscon regmap will help the device to |
| access/read/write those statistics. |
| |
| ti,iep: |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| maxItems: 2 |
| items: |
| maxItems: 1 |
| description: |
| phandle to IEP (Industrial Ethernet Peripheral) for ICSSG |
| |
| interrupts: |
| maxItems: 2 |
| description: |
| Interrupt specifiers to TX timestamp IRQ. |
| |
| interrupt-names: |
| items: |
| - const: tx_ts0 |
| - const: tx_ts1 |
| |
| ethernet-ports: |
| type: object |
| additionalProperties: false |
| |
| properties: |
| '#address-cells': |
| const: 1 |
| '#size-cells': |
| const: 0 |
| |
| patternProperties: |
| ^port@[0-1]$: |
| type: object |
| description: ICSSG PRUETH external ports |
| $ref: ethernet-controller.yaml# |
| unevaluatedProperties: false |
| |
| properties: |
| reg: |
| items: |
| - enum: [0, 1] |
| description: ICSSG PRUETH port number |
| |
| interrupts: |
| maxItems: 1 |
| |
| ti,syscon-rgmii-delay: |
| items: |
| - items: |
| - description: phandle to system controller node |
| - description: The offset to ICSSG control register |
| $ref: /schemas/types.yaml#/definitions/phandle-array |
| description: |
| phandle to system controller node and register offset |
| to ICSSG control register for RGMII transmit delay |
| |
| ti,half-duplex-capable: |
| type: boolean |
| description: |
| Indicates that the PHY output pin COL is routed to ICSSG GPIO pin |
| (PRGx_PRU0/1_GPIO10) as input so that the ICSSG MII port is |
| capable of half duplex operations. |
| |
| required: |
| - reg |
| anyOf: |
| - required: |
| - port@0 |
| - required: |
| - port@1 |
| |
| required: |
| - compatible |
| - sram |
| - dmas |
| - dma-names |
| - ethernet-ports |
| - ti,mii-g-rt |
| - interrupts |
| - interrupt-names |
| |
| allOf: |
| - $ref: /schemas/remoteproc/ti,pru-consumer.yaml# |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: ti,am654-sr1-icssg-prueth |
| then: |
| properties: |
| dmas: |
| minItems: 12 |
| dma-names: |
| minItems: 12 |
| else: |
| properties: |
| dmas: |
| maxItems: 10 |
| dma-names: |
| maxItems: 10 |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| /* Example k3-am654 base board SR2.0, dual-emac */ |
| pruss2_eth: ethernet { |
| compatible = "ti,am654-icssg-prueth"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&icssg2_rgmii_pins_default>; |
| sram = <&msmc_ram>; |
| |
| ti,prus = <&pru2_0>, <&rtu2_0>, <&tx_pru2_0>, |
| <&pru2_1>, <&rtu2_1>, <&tx_pru2_1>; |
| firmware-name = "ti-pruss/am65x-pru0-prueth-fw.elf", |
| "ti-pruss/am65x-rtu0-prueth-fw.elf", |
| "ti-pruss/am65x-txpru0-prueth-fw.elf", |
| "ti-pruss/am65x-pru1-prueth-fw.elf", |
| "ti-pruss/am65x-rtu1-prueth-fw.elf", |
| "ti-pruss/am65x-txpru1-prueth-fw.elf"; |
| ti,pruss-gp-mux-sel = <2>, /* MII mode */ |
| <2>, |
| <2>, |
| <2>, /* MII mode */ |
| <2>, |
| <2>; |
| dmas = <&main_udmap 0xc300>, /* egress slice 0 */ |
| <&main_udmap 0xc301>, /* egress slice 0 */ |
| <&main_udmap 0xc302>, /* egress slice 0 */ |
| <&main_udmap 0xc303>, /* egress slice 0 */ |
| <&main_udmap 0xc304>, /* egress slice 1 */ |
| <&main_udmap 0xc305>, /* egress slice 1 */ |
| <&main_udmap 0xc306>, /* egress slice 1 */ |
| <&main_udmap 0xc307>, /* egress slice 1 */ |
| <&main_udmap 0x4300>, /* ingress slice 0 */ |
| <&main_udmap 0x4301>; /* ingress slice 1 */ |
| dma-names = "tx0-0", "tx0-1", "tx0-2", "tx0-3", |
| "tx1-0", "tx1-1", "tx1-2", "tx1-3", |
| "rx0", "rx1"; |
| ti,mii-g-rt = <&icssg2_mii_g_rt>; |
| ti,pa-stats = <&icssg2_pa_stats>; |
| ti,iep = <&icssg2_iep0>, <&icssg2_iep1>; |
| interrupt-parent = <&icssg2_intc>; |
| interrupts = <24 0 2>, <25 1 3>; |
| interrupt-names = "tx_ts0", "tx_ts1"; |
| ethernet-ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| pruss2_emac0: port@0 { |
| reg = <0>; |
| phy-handle = <&pruss2_eth0_phy>; |
| phy-mode = "rgmii-id"; |
| interrupts-extended = <&icssg2_intc 24>; |
| ti,syscon-rgmii-delay = <&scm_conf 0x4120>; |
| /* Filled in by bootloader */ |
| local-mac-address = [00 00 00 00 00 00]; |
| }; |
| |
| pruss2_emac1: port@1 { |
| reg = <1>; |
| phy-handle = <&pruss2_eth1_phy>; |
| phy-mode = "rgmii-id"; |
| interrupts-extended = <&icssg2_intc 25>; |
| ti,syscon-rgmii-delay = <&scm_conf 0x4124>; |
| /* Filled in by bootloader */ |
| local-mac-address = [00 00 00 00 00 00]; |
| }; |
| }; |
| }; |
