diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml index 1e26d876d146..607b7fe8d28e 100644 --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/net/dsa/nxp,sja1105.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: NXP SJA1105 Automotive Ethernet Switch Family Device Tree Bindings +title: NXP SJA1105 Automotive Ethernet Switch Family description: The SJA1105 SPI interface requires a CS-to-CLK time (t2 in UM10944.pdf) of at @@ -12,10 +12,6 @@ description: cs_sck_delay of 500ns. Ensuring that this SPI timing requirement is observed depends on the SPI bus master driver. -allOf: - - $ref: "dsa.yaml#" - - $ref: /schemas/spi/spi-peripheral-props.yaml# - maintainers: - Vladimir Oltean <vladimir.oltean@nxp.com> @@ -36,6 +32,21 @@ properties: reg: maxItems: 1 + reset-gpios: + description: + A GPIO connected to the active-low RST_N pin of the SJA1105. Note that + reset of this chip is performed via SPI and the RST_N pin must be wired + to satisfy the power-up sequence documented in "SJA1105PQRS Application + Hints" (AH1704) sec. 2.4.4. Connecting the SJA1105 RST_N pin to a GPIO is + therefore discouraged. + maxItems: 1 + + clocks: + maxItems: 1 + + spi-cpha: true + spi-cpol: true + # Optional container node for the 2 internal MDIO buses of the SJA1110 # (one for the internal 100base-T1 PHYs and the other for the single # 100base-TX PHY). The "reg" property does not have physical significance. @@ -44,6 +55,7 @@ properties: # PHY 1. mdios: type: object + additionalProperties: false properties: '#address-cells': @@ -75,8 +87,9 @@ properties: patternProperties: "^(ethernet-)?ports$": + additionalProperties: true patternProperties: - "^(ethernet-)?port@[0-9]+$": + "^(ethernet-)?port@[0-9]$": allOf: - if: properties: @@ -109,6 +122,30 @@ $defs: 1860, 1880, 1900, 1920, 1940, 1960, 1980, 2000, 2020, 2040, 2060, 2080, 2100, 2120, 2140, 2160, 2180, 2200, 2220, 2240, 2260] +allOf: + - $ref: dsa.yaml#/$defs/ethernet-ports + - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + properties: + compatible: + enum: + - nxp,sja1105e + - nxp,sja1105p + - nxp,sja1105q + - nxp,sja1105r + - nxp,sja1105s + - nxp,sja1105t + then: + properties: + spi-cpol: false + required: + - spi-cpha + else: + properties: + spi-cpha: false + required: + - spi-cpol + unevaluatedProperties: false examples: @@ -120,6 +157,7 @@ examples: ethernet-switch@1 { reg = <0x1>; compatible = "nxp,sja1105t"; + spi-cpha; ethernet-ports { #address-cells = <1>; |