| Message ID | 20241212-dp83822-gpio2-clk-out-v3-1-e4af23490f44@liebherr.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | a2d8af57452e60ff93a3525704788ad566433070 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: phy: dp83822: Add support for GPIO2 clock output | expand |
On Thu, Dec 12, 2024 at 09:44:06AM +0100, Dimitri Fedrau wrote: > The GPIO2 pin on the DP83822 can be configured as clock output. Add > binding to support this feature. > > Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> > --- > .../devicetree/bindings/net/ti,dp83822.yaml | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
On Thu, Dec 12, 2024 at 09:44:06AM +0100, Dimitri Fedrau via B4 Relay wrote: > From: Dimitri Fedrau <dimitri.fedrau@liebherr.com> > > The GPIO2 pin on the DP83822 can be configured as clock output. Add > binding to support this feature. > > Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Andrew
diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml index 784866ea392b2083e93d8dc9aaea93b70dc80934..50c24248df266f1950371b950cd9c4d417835f97 100644 --- a/Documentation/devicetree/bindings/net/ti,dp83822.yaml +++ b/Documentation/devicetree/bindings/net/ti,dp83822.yaml @@ -96,6 +96,32 @@ properties: - master - slave + ti,gpio2-clk-out: + description: | + DP83822 PHY only. + The GPIO2 pin on the DP83822 can be configured as clock output. When + omitted, the PHY's default will be left as is. + + - 'mac-if': In MII mode the clock frequency is 25-MHz, in RMII Mode the + clock frequency is 50-MHz and in RGMII Mode the clock frequency is + 25-MHz. + - 'xi': XI clock(pass-through clock from XI pin). + - 'int-ref': Internal reference clock 25-MHz. + - 'rmii-master-mode-ref': RMII master mode reference clock 50-MHz. RMII + master mode reference clock is identical to MAC IF clock in RMII master + mode. + - 'free-running': Free running clock 125-MHz. + - 'recovered': Recovered clock is a 125-MHz recovered clock from a + connected link partner. + $ref: /schemas/types.yaml#/definitions/string + enum: + - mac-if + - xi + - int-ref + - rmii-master-mode-ref + - free-running + - recovered + required: - reg @@ -110,6 +136,7 @@ examples: reg = <0>; rx-internal-delay-ps = <1>; tx-internal-delay-ps = <1>; + ti,gpio2-clk-out = "xi"; }; };