162306a36Sopenharmony_ciQorIQ DPAA Buffer Manager Portals Device Tree Binding 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciCopyright (C) 2008 - 2014 Freescale Semiconductor Inc. 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciCONTENTS 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci - BMan Portal 862306a36Sopenharmony_ci - Example 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciBMan Portal Node 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciPortals are memory mapped interfaces to BMan that allow low-latency, lock-less 1362306a36Sopenharmony_ciinteraction by software running on processor cores, accelerators and network 1462306a36Sopenharmony_ciinterfaces with the BMan 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciPROPERTIES 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci- compatible 1962306a36Sopenharmony_ci Usage: Required 2062306a36Sopenharmony_ci Value type: <stringlist> 2162306a36Sopenharmony_ci Definition: Must include "fsl,bman-portal-<hardware revision>" 2262306a36Sopenharmony_ci May include "fsl,<SoC>-bman-portal" or "fsl,bman-portal" 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci- reg 2562306a36Sopenharmony_ci Usage: Required 2662306a36Sopenharmony_ci Value type: <prop-encoded-array> 2762306a36Sopenharmony_ci Definition: Two regions. The first is the cache-enabled region of 2862306a36Sopenharmony_ci the portal. The second is the cache-inhibited region of 2962306a36Sopenharmony_ci the portal 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci- interrupts 3262306a36Sopenharmony_ci Usage: Required 3362306a36Sopenharmony_ci Value type: <prop-encoded-array> 3462306a36Sopenharmony_ci Definition: Standard property 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciEXAMPLE 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ciThe example below shows a (P4080) BMan portals container/bus node with two portals 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci bman-portals@ff4000000 { 4162306a36Sopenharmony_ci #address-cells = <1>; 4262306a36Sopenharmony_ci #size-cells = <1>; 4362306a36Sopenharmony_ci compatible = "simple-bus"; 4462306a36Sopenharmony_ci ranges = <0 0xf 0xf4000000 0x200000>; 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci bman-portal@0 { 4762306a36Sopenharmony_ci compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; 4862306a36Sopenharmony_ci reg = <0x0 0x4000>, <0x100000 0x1000>; 4962306a36Sopenharmony_ci interrupts = <105 2 0 0>; 5062306a36Sopenharmony_ci }; 5162306a36Sopenharmony_ci bman-portal@4000 { 5262306a36Sopenharmony_ci compatible = "fsl,bman-portal-1.0.0", "fsl,bman-portal"; 5362306a36Sopenharmony_ci reg = <0x4000 0x4000>, <0x101000 0x1000>; 5462306a36Sopenharmony_ci interrupts = <107 2 0 0>; 5562306a36Sopenharmony_ci }; 5662306a36Sopenharmony_ci }; 57