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Update the clock-names parameter to support mutilink SERDES configuration as the existing enum configuration of the clock-names parameter does not allow both pll1_refclk and phy_en_refclk to be used at the same time, hence preventing the support for the configuration (refclk,pll1_refclk, phy_en_refclk), which is neeed for multilink SERDES usecases. For multilink SERDES configurations where the links require different clock speeds, all 3 clocks(refclk, pll1_refclk and phy_en_refclk) are needed. For example,considering the USXGMII+SGMII multilink SERDES configuration usecase, having only 1 reference clock(refclk) fails because USXGMII requires a clock speed of 156.25 Mhz and SGMII protocol requires an clock speed of 100 Mhz. Since one reference clock(refclk) alone cannot cater to the 2 different clock speed requirements of these protocols, the second input reference clock(pll1_refclk) along with phy_en_refclk is also needed. Signed-off-by: Gokul Praveen --- Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml index 9af39b33646a..ac0f625cd76d 100644 --- a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml +++ b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml @@ -34,7 +34,7 @@ properties: clocks: minItems: 1 - maxItems: 2 + maxItems: 3 description: PHY input reference clocks - refclk (for PLL0) & pll1_refclk (for PLL1). pll1_refclk is optional and used for multi-protocol configurations requiring @@ -48,6 +48,7 @@ properties: items: - const: refclk - enum: [ pll1_refclk, phy_en_refclk ] + - const: phy_en_refclk reg: minItems: 1 -- 2.34.1