diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml | 290 |
1 files changed, 191 insertions, 99 deletions
diff --git a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml index 78bf511e2892..c9c25132d154 100644 --- a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml +++ b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/net/ti,k3-am654-cpsw-nuss.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: The TI AM654x/J721E SoC Gigabit Ethernet MAC (Media Access Controller) Device Tree Bindings +title: The TI AM654x/J721E/AM642x SoC Gigabit Ethernet MAC (Media Access Controller) maintainers: - Grygorii Strashko <grygorii.strashko@ti.com> @@ -13,19 +13,16 @@ maintainers: description: The TI AM654x/J721E SoC Gigabit Ethernet MAC (CPSW2G NUSS) has two ports (one external) and provides Ethernet packet communication for the device. - CPSW2G NUSS features - the Reduced Gigabit Media Independent Interface (RGMII), - Reduced Media Independent Interface (RMII), the Management Data - Input/Output (MDIO) interface for physical layer device (PHY) management, - new version of Common Platform Time Sync (CPTS), updated Address Lookup - Engine (ALE). - One external Ethernet port (port 1) with selectable RGMII/RMII interfaces and - an internal Communications Port Programming Interface (CPPI5) (Host port 0). + The TI AM642x SoC Gigabit Ethernet MAC (CPSW3G NUSS) has three ports + (two external) and provides Ethernet packet communication and switching. + + The internal Communications Port Programming Interface (CPPI5) (Host port 0). Host Port 0 CPPI Packet Streaming Interface interface supports 8 TX channels - and one RX channels and operating by TI AM654x/J721E NAVSS Unified DMA - Peripheral Root Complex (UDMA-P) controller. - The CPSW2G NUSS is integrated into device MCU domain named MCU_CPSW0. + and one RX channels and operating by NAVSS Unified DMA Peripheral Root + Complex (UDMA-P) controller. - Additional features + CPSWxG features + updated Address Lookup Engine (ALE). priority level Quality Of Service (QOS) support (802.1p) Support for Audio/Video Bridging (P802.1Qav/D6.0) Support for IEEE 1588 Clock Synchronization (2008 Annex D, Annex E and Annex F) @@ -38,24 +35,36 @@ description: VLAN support, 802.1Q compliant, Auto add port VLAN for untagged frames on ingress, Auto VLAN removal on egress and auto pad to minimum frame size. RX/TX csum offload + Management Data Input/Output (MDIO) interface for PHYs management + RMII/RGMII Interfaces support + new version of Common Platform Time Sync (CPTS) + + The CPSWxG NUSS is integrated into + device MCU domain named MCU_CPSW0 on AM654x/J721E SoC. + device MAIN domain named CPSW0 on AM642x SoC. Specifications can be found at - http://www.ti.com/lit/ug/spruid7e/spruid7e.pdf - http://www.ti.com/lit/ug/spruil1a/spruil1a.pdf + https://www.ti.com/lit/pdf/spruid7 + https://www.ti.com/lit/zip/spruil1 + https://www.ti.com/lit/pdf/spruim2 properties: "#address-cells": true "#size-cells": true compatible: - oneOf: - - const: ti,am654-cpsw-nuss - - const: ti,j721e-cpsw-nuss + enum: + - ti,am642-cpsw-nuss + - ti,am654-cpsw-nuss + - ti,j7200-cpswxg-nuss + - ti,j721e-cpsw-nuss + - ti,j721e-cpswxg-nuss + - ti,j784s4-cpswxg-nuss reg: maxItems: 1 description: - The physical base address and size of full the CPSW2G NUSS IO range + The physical base address and size of full the CPSWxG NUSS IO range reg-names: items: @@ -66,12 +75,17 @@ properties: dma-coherent: true clocks: - description: CPSW2G NUSS functional clock + maxItems: 1 + description: CPSWxG NUSS functional clock clock-names: items: - const: fck + assigned-clock-parents: true + + assigned-clocks: true + power-domains: maxItems: 1 @@ -99,51 +113,72 @@ properties: const: 0 patternProperties: - port@1: - type: object - description: CPSW2G NUSS external ports - - allOf: - - $ref: ethernet-controller.yaml# - - properties: - reg: - items: - - const: 1 - description: CPSW port number - - phys: - maxItems: 1 - description: phandle on phy-gmii-sel PHY - - label: - description: label associated with this port - - ti,mac-only: - $ref: /schemas/types.yaml#definitions/flag - description: - Specifies the port works in mac-only mode. - - ti,syscon-efuse: - $ref: /schemas/types.yaml#definitions/phandle-array - description: - Phandle to the system control device node which provides access - to efuse IO range with MAC addresses - - required: - - reg - - phys + "^port@[1-8]$": + type: object + description: CPSWxG NUSS external ports + + $ref: ethernet-controller.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 1 + maximum: 8 + description: CPSW port number + + phys: + minItems: 1 + items: + - description: CPSW MAC's PHY. + - description: Serdes PHY. Serdes PHY is required only if + the Serdes has to be configured in the + Single-Link configuration. + + phy-names: + minItems: 1 + items: + - const: mac + - const: serdes + + label: + description: label associated with this port + + ti,mac-only: + $ref: /schemas/types.yaml#/definitions/flag + description: + Specifies the port works in mac-only mode. + + ti,syscon-efuse: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: Phandle to the system control device node which + provides access to efuse + - description: offset to efuse registers??? + description: + Phandle to the system control device node which provides access + to efuse IO range with MAC addresses + + required: + - reg + - phys additionalProperties: false patternProperties: "^mdio@[0-9a-f]+$": type: object - allOf: - - $ref: "ti,davinci-mdio.yaml#" + $ref: ti,davinci-mdio.yaml# + description: CPSW MDIO bus. + "^cpts@[0-9a-f]+": + type: object + $ref: ti,k3-am654-cpts.yaml# + description: + CPSW Common Platform Time Sync (CPTS) module. + required: - compatible - reg @@ -157,45 +192,90 @@ required: - '#address-cells' - '#size-cells' +allOf: + - if: + not: + properties: + compatible: + contains: + enum: + - ti,j721e-cpswxg-nuss + - ti,j784s4-cpswxg-nuss + then: + properties: + ethernet-ports: + patternProperties: + "^port@[5-8]$": false + "^port@[1-4]$": + properties: + reg: + minimum: 1 + maximum: 4 + + - if: + not: + properties: + compatible: + contains: + enum: + - ti,j7200-cpswxg-nuss + - ti,j721e-cpswxg-nuss + - ti,j784s4-cpswxg-nuss + then: + properties: + ethernet-ports: + patternProperties: + "^port@[3-8]$": false + "^port@[1-2]$": + properties: + reg: + minimum: 1 + maximum: 2 + additionalProperties: false examples: - | - #include <dt-bindings/pinctrl/k3.h> #include <dt-bindings/soc/ti,sci_pm_domain.h> #include <dt-bindings/net/ti-dp83867.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> - mcu_cpsw: ethernet@46000000 { - compatible = "ti,am654-cpsw-nuss"; + bus { #address-cells = <2>; #size-cells = <2>; - reg = <0x0 0x46000000 0x0 0x200000>; - reg-names = "cpsw_nuss"; - ranges = <0x0 0x0 0x46000000 0x0 0x200000>; - dma-coherent; - clocks = <&k3_clks 5 10>; - clock-names = "fck"; - power-domains = <&k3_pds 5 TI_SCI_PD_EXCLUSIVE>; - pinctrl-names = "default"; - pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>; - - dmas = <&mcu_udmap 0xf000>, - <&mcu_udmap 0xf001>, - <&mcu_udmap 0xf002>, - <&mcu_udmap 0xf003>, - <&mcu_udmap 0xf004>, - <&mcu_udmap 0xf005>, - <&mcu_udmap 0xf006>, - <&mcu_udmap 0xf007>, - <&mcu_udmap 0x7000>; - dma-names = "tx0", "tx1", "tx2", "tx3", "tx4", "tx5", "tx6", "tx7", - "rx"; - - ethernet-ports { - #address-cells = <1>; - #size-cells = <0>; - - cpsw_port1: port@1 { + + mcu_cpsw: ethernet@46000000 { + compatible = "ti,am654-cpsw-nuss"; + #address-cells = <2>; + #size-cells = <2>; + reg = <0x0 0x46000000 0x0 0x200000>; + reg-names = "cpsw_nuss"; + ranges = <0x0 0x0 0x0 0x46000000 0x0 0x200000>; + dma-coherent; + clocks = <&k3_clks 5 10>; + clock-names = "fck"; + power-domains = <&k3_pds 5 TI_SCI_PD_EXCLUSIVE>; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>; + + dmas = <&mcu_udmap 0xf000>, + <&mcu_udmap 0xf001>, + <&mcu_udmap 0xf002>, + <&mcu_udmap 0xf003>, + <&mcu_udmap 0xf004>, + <&mcu_udmap 0xf005>, + <&mcu_udmap 0xf006>, + <&mcu_udmap 0xf007>, + <&mcu_udmap 0x7000>; + dma-names = "tx0", "tx1", "tx2", "tx3", "tx4", "tx5", "tx6", "tx7", + "rx"; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + cpsw_port1: port@1 { reg = <1>; ti,mac-only; label = "port1"; @@ -204,22 +284,34 @@ examples: phy-mode = "rgmii-rxid"; phy-handle = <&phy0>; - }; - }; - - davinci_mdio: mdio@f00 { - compatible = "ti,cpsw-mdio","ti,davinci_mdio"; - reg = <0x0 0xf00 0x0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&k3_clks 5 10>; - clock-names = "fck"; - bus_freq = <1000000>; - - phy0: ethernet-phy@0 { + }; + }; + + davinci_mdio: mdio@f00 { + compatible = "ti,cpsw-mdio","ti,davinci_mdio"; + reg = <0x0 0xf00 0x0 0x100>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&k3_clks 5 10>; + clock-names = "fck"; + bus_freq = <1000000>; + + phy0: ethernet-phy@0 { reg = <0>; ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; - }; + }; + }; + }; + + cpts@3d000 { + compatible = "ti,am65-cpts"; + reg = <0x0 0x3d000 0x0 0x400>; + clocks = <&k3_clks 18 2>; + clock-names = "cpts"; + interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "cpts"; + ti,cpts-ext-ts-inputs = <4>; + ti,cpts-periodic-outputs = <2>; }; }; |