This MII converter can be found on the RZ/N1 processor family. The MII converter ports are declared as subnodes which are then referenced by users of the PCS driver such as the switch. Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx> Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- .../bindings/net/pcs/renesas,rzn1-miic.yaml | 171 ++++++++++++++++++ include/dt-bindings/net/pcs-rzn1-miic.h | 33 ++++ 2 files changed, 204 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/pcs/renesas,rzn1-miic.yaml create mode 100644 include/dt-bindings/net/pcs-rzn1-miic.h diff --git a/Documentation/devicetree/bindings/net/pcs/renesas,rzn1-miic.yaml b/Documentation/devicetree/bindings/net/pcs/renesas,rzn1-miic.yaml new file mode 100644 index 000000000000..2d33bbab7163 --- /dev/null +++ b/Documentation/devicetree/bindings/net/pcs/renesas,rzn1-miic.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/pcs/renesas,rzn1-miic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/N1 MII converter + +maintainers: + - Clément Léger <clement.leger@xxxxxxxxxxx> + +description: | + This MII converter is present on the Renesas RZ/N1 SoC family. It is + responsible to do MII passthrough or convert it to RMII/RGMII. + +properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + compatible: + items: + - enum: + - renesas,r9a06g032-miic + - const: renesas,rzn1-miic + + reg: + maxItems: 1 + + clocks: + items: + - description: MII reference clock + - description: RGMII reference clock + - description: RMII reference clock + - description: AHB clock used for the MII converter register interface + + clock-names: + items: + - const: mii_ref + - const: rgmii_ref + - const: rmii_ref + - const: hclk + + renesas,miic-switch-portin: + description: MII Switch PORTIN configuration. This value should use one of + the values defined in dt-bindings/net/pcs-rzn1-miic.h. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2] + + power-domains: + maxItems: 1 + +patternProperties: + "^mii-conv@[0-5]$": + type: object + description: MII converter port + + properties: + reg: + description: MII Converter port number. + enum: [1, 2, 3, 4, 5] + + renesas,miic-input: + description: Converter input port configuration. This value should use + one of the values defined in dt-bindings/net/pcs-rzn1-miic.h. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - reg + - renesas,miic-input + + additionalProperties: false + + allOf: + - if: + properties: + reg: + const: 1 + then: + properties: + renesas,miic-input: + const: 0 + - if: + properties: + reg: + const: 2 + then: + properties: + renesas,miic-input: + enum: [1, 11] + - if: + properties: + reg: + const: 3 + then: + properties: + renesas,miic-input: + enum: [7, 10] + - if: + properties: + reg: + const: 4 + then: + properties: + renesas,miic-input: + enum: [4, 6, 9, 13] + - if: + properties: + reg: + const: 5 + then: + properties: + renesas,miic-input: + enum: [3, 5, 8, 12] + +required: + - '#address-cells' + - '#size-cells' + - compatible + - reg + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/net/pcs-rzn1-miic.h> + #include <dt-bindings/clock/r9a06g032-sysctrl.h> + + eth-miic@44030000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,r9a06g032-miic", "renesas,rzn1-miic"; + reg = <0x44030000 0x10000>; + clocks = <&sysctrl R9A06G032_CLK_MII_REF>, + <&sysctrl R9A06G032_CLK_RGMII_REF>, + <&sysctrl R9A06G032_CLK_RMII_REF>, + <&sysctrl R9A06G032_HCLK_SWITCH_RG>; + clock-names = "mii_ref", "rgmii_ref", "rmii_ref", "hclk"; + renesas,miic-switch-portin = <MIIC_GMAC2_PORT>; + power-domains = <&sysctrl>; + + mii_conv1: mii-conv@1 { + renesas,miic-input = <MIIC_GMAC1_PORT>; + reg = <1>; + }; + + mii_conv2: mii-conv@2 { + renesas,miic-input = <MIIC_SWITCH_PORTD>; + reg = <2>; + }; + + mii_conv3: mii-conv@3 { + renesas,miic-input = <MIIC_SWITCH_PORTC>; + reg = <3>; + }; + + mii_conv4: mii-conv@4 { + renesas,miic-input = <MIIC_SWITCH_PORTB>; + reg = <4>; + }; + + mii_conv5: mii-conv@5 { + renesas,miic-input = <MIIC_SWITCH_PORTA>; + reg = <5>; + }; + }; diff --git a/include/dt-bindings/net/pcs-rzn1-miic.h b/include/dt-bindings/net/pcs-rzn1-miic.h new file mode 100644 index 000000000000..784782eaec9e --- /dev/null +++ b/include/dt-bindings/net/pcs-rzn1-miic.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2022 Schneider-Electric + * + * Clément Léger <clement.leger@xxxxxxxxxxx> + */ + +#ifndef _DT_BINDINGS_PCS_RZN1_MIIC +#define _DT_BINDINGS_PCS_RZN1_MIIC + +/* + * Reefer to the datasheet [1] section 8.2.1, Internal Connection of Ethernet + * Ports to check the available combination + * + * [1] REN_r01uh0750ej0140-rzn1-introduction_MAT_20210228.pdf + */ + +#define MIIC_GMAC1_PORT 0 +#define MIIC_GMAC2_PORT 1 +#define MIIC_RTOS_PORT 2 +#define MIIC_SERCOS_PORTA 3 +#define MIIC_SERCOS_PORTB 4 +#define MIIC_ETHERCAT_PORTA 5 +#define MIIC_ETHERCAT_PORTB 6 +#define MIIC_ETHERCAT_PORTC 7 +#define MIIC_SWITCH_PORTA 8 +#define MIIC_SWITCH_PORTB 9 +#define MIIC_SWITCH_PORTC 10 +#define MIIC_SWITCH_PORTD 11 +#define MIIC_HSR_PORTA 12 +#define MIIC_HSR_PORTB 13 + +#endif -- 2.36.1
