162306a36Sopenharmony_ci* Nuvoton NPCM KCS (Keyboard Controller Style) IPMI interface 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciThe Nuvoton SOCs (NPCM) are commonly used as BMCs 462306a36Sopenharmony_ci(Baseboard Management Controllers) and the KCS interface can be 562306a36Sopenharmony_ciused to perform in-band IPMI communication with their host. 662306a36Sopenharmony_ci 762306a36Sopenharmony_ciRequired properties: 862306a36Sopenharmony_ci- compatible : should be one of 962306a36Sopenharmony_ci "nuvoton,npcm750-kcs-bmc" 1062306a36Sopenharmony_ci "nuvoton,npcm845-kcs-bmc", "nuvoton,npcm750-kcs-bmc" 1162306a36Sopenharmony_ci- interrupts : interrupt generated by the controller 1262306a36Sopenharmony_ci- kcs_chan : The KCS channel number in the controller 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciExample: 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci lpc_kcs: lpc_kcs@f0007000 { 1762306a36Sopenharmony_ci compatible = "nuvoton,npcm750-lpc-kcs", "simple-mfd", "syscon"; 1862306a36Sopenharmony_ci reg = <0xf0007000 0x40>; 1962306a36Sopenharmony_ci reg-io-width = <1>; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci #address-cells = <1>; 2262306a36Sopenharmony_ci #size-cells = <1>; 2362306a36Sopenharmony_ci ranges = <0x0 0xf0007000 0x40>; 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci kcs1: kcs1@0 { 2662306a36Sopenharmony_ci compatible = "nuvoton,npcm750-kcs-bmc"; 2762306a36Sopenharmony_ci reg = <0x0 0x40>; 2862306a36Sopenharmony_ci interrupts = <0 9 4>; 2962306a36Sopenharmony_ci kcs_chan = <1>; 3062306a36Sopenharmony_ci status = "disabled"; 3162306a36Sopenharmony_ci }; 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci kcs2: kcs2@0 { 3462306a36Sopenharmony_ci compatible = "nuvoton,npcm750-kcs-bmc"; 3562306a36Sopenharmony_ci reg = <0x0 0x40>; 3662306a36Sopenharmony_ci interrupts = <0 9 4>; 3762306a36Sopenharmony_ci kcs_chan = <2>; 3862306a36Sopenharmony_ci status = "disabled"; 3962306a36Sopenharmony_ci }; 4062306a36Sopenharmony_ci }; 41