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X-OriginatorOrg: nuvoton.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2023 19:05:33.3532 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a0bf08cf-a2cd-4514-3236-08dbfc0e7b7b X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[175.98.123.7];Helo=[NTHCCAS04.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: SG1PEPF000082E3.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PUZPR03MB6188 X-Spam-Level: ** Added device tree binding documentation for Nuvoton BMC NPCM BIOS Post Code (BPC). The NPCM BPC monitoring two configurable I/O addresses written by the host on the bus. Signed-off-by: Tomer Maimon --- .../soc/nuvoton/nuvoton,npcm-bpc.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-bpc.yaml diff --git a/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-bpc.yaml b/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-bpc.yaml new file mode 100644 index 000000000000..c04302a1d52b --- /dev/null +++ b/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-bpc.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/nuvoton/nuvoton,npcm-bpc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton BMC NPCM BIOS Post Code (BPC) controller + +maintainers: + - Tomer Maimon + +description: + Nuvoton BMC NPCM BIOS Post Code (BPC) monitoring two configurable I/O + addresses written by the host on the bus, the capture data stored in + 128-word FIFO. + + NPCM BPC supports capture double words, when using capture + double word only I/O address 1 is monitored. + +properties: + compatible: + items: + - enum: + - nuvoton,npcm845-bpc + - nuvoton,npcm750-bpc + - const: nuvoton,npcm-bpc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + nuvoton,monitor-ports: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Contain monitor I/O addresses on the bus, at least one monitor I/O + address required. + + nuvoton,bpc-en-dwcapture: + description: + Set DWCAPTURE bit in BPCFEN register that enable double words capture + according to the first address setting. + type: boolean + +required: + - compatible + - reg + - interrupts + - nuvoton,monitor-ports + +additionalProperties: false + +examples: + - | + #include + #include + + bpc: bpc@f0007040 { + compatible = "nuvoton,npcm750-bpc", "nuvoton,npcm-bpc"; + reg = <0xf0007040 0x20>; + interrupts = ; + nuvoton,monitor-ports = <0x80>; + }; +...