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| author | Ravi Gunasekaran <r-gunasekaran@ti.com> | 2023-05-31 19:58:24 +0530 |
|---|---|---|
| committer | Udit Kumar <u-kumar1@ti.com> | 2023-05-31 20:23:34 +0530 |
| commit | aaf69b86dde2df62f7e4bd40ef22041366c2f178 (patch) | |
| tree | 74223efd47ff3e756e6ab59766db2abff5b5fecc /arch/arm/dts/k3-j784s4-evm.dts | |
| parent | 499ad65b510c0c2f3edf43e52e288abf71965214 (diff) | |
arm: dts: k3-j78s4: Enable SerDes for USB
Configure SerDes0 Lane 3 to USB and enable the SerDes
related nodes
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Diffstat (limited to 'arch/arm/dts/k3-j784s4-evm.dts')
| -rw-r--r-- | arch/arm/dts/k3-j784s4-evm.dts | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-j784s4-evm.dts b/arch/arm/dts/k3-j784s4-evm.dts index 7e0cf8e6ee..af0186c8ac 100644 --- a/arch/arm/dts/k3-j784s4-evm.dts +++ b/arch/arm/dts/k3-j784s4-evm.dts @@ -562,3 +562,34 @@ memory-region = <&c71_3_dma_memory_region>, <&c71_3_memory_region>; }; + +&serdes_ln_ctrl { + idle-states = <J784S4_SERDES0_LANE0_PCIE1_LANE0>, <J784S4_SERDES0_LANE1_PCIE1_LANE1>, + <J784S4_SERDES0_LANE2_IP3_UNUSED>, <J784S4_SERDES0_LANE3_USB>, + <J784S4_SERDES1_LANE0_PCIE0_LANE0>, <J784S4_SERDES1_LANE1_PCIE0_LANE1>, + <J784S4_SERDES1_LANE2_PCIE0_LANE2>, <J784S4_SERDES1_LANE3_PCIE0_LANE3>, + <J784S4_SERDES2_LANE2_QSGMII_LANE1>, <J784S4_SERDES2_LANE3_QSGMII_LANE2>; +}; + +&serdes_refclk { + clock-frequency = <100000000>; +}; + +&serdes0 { + status = "okay"; + serdes0_usb_link: phy@3 { + reg = <3>; + cdns,num-lanes = <1>; + #phy-cells = <0>; + cdns,phy-type = <PHY_TYPE_USB3>; + resets = <&serdes_wiz0 4>; + }; +}; + +&serdes_wiz0 { + status = "okay"; +}; + +&usb_serdes_mux { + idle-states = <0>; /* USB0 to SERDES lane 3 */ +}; |