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Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 8 Jun 2021 06:49:35 -0400 (EDT) From: Andrew Jeffery To: openipmi-developer@lists.sourceforge.net, openbmc@lists.ozlabs.org, minyard@acm.org Subject: [PATCH v4 12/16] dt-bindings: ipmi: Convert ASPEED KCS binding to schema Date: Tue, 8 Jun 2021 20:17:53 +0930 Message-Id: <20210608104757.582199-13-andrew@aj.id.au> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210608104757.582199-1-andrew@aj.id.au> References: <20210608104757.582199-1-andrew@aj.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, tmaimon77@gmail.com, linux-aspeed@lists.ozlabs.org, KWLIU@nuvoton.com, avifishman70@gmail.com, venture@google.com, chiawei_wang@aspeedtech.com, linux-kernel@vger.kernel.org, tali.perry1@gmail.com, robh+dt@kernel.org, arnd@arndb.de, zweiss@equinix.com, Rob Herring , linux-arm-kernel@lists.infradead.org, benjaminfair@google.com Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" Given the deprecated binding, improve the ability to detect issues in the platform devicetrees. Further, a subsequent patch will introduce a new interrupts property for specifying SerIRQ behaviour, so convert before we do any further additions. Signed-off-by: Andrew Jeffery Reviewed-by: Rob Herring Reviewed-by: Zev Weiss --- .../bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml | 92 +++++++++++++++++++ .../bindings/ipmi/aspeed-kcs-bmc.txt | 33 ------- 2 files changed, 92 insertions(+), 33 deletions(-) create mode 100644 Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml delete mode 100644 Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml new file mode 100644 index 000000000000..697ca575454f --- /dev/null +++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ipmi/aspeed,ast2400-kcs-bmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED BMC KCS Devices + +maintainers: + - Andrew Jeffery + +description: | + The Aspeed BMC SoCs typically use the Keyboard-Controller-Style (KCS) + interfaces on the LPC bus for in-band IPMI communication with their host. + +properties: + compatible: + oneOf: + - description: Channel ID derived from reg + items: + enum: + - aspeed,ast2400-kcs-bmc-v2 + - aspeed,ast2500-kcs-bmc-v2 + - aspeed,ast2600-kcs-bmc + + - description: Old-style with explicit channel ID, no reg + deprecated: true + items: + enum: + - aspeed,ast2400-kcs-bmc + - aspeed,ast2500-kcs-bmc + + interrupts: + maxItems: 1 + + reg: + # maxItems: 3 + items: + - description: IDR register + - description: ODR register + - description: STR register + + aspeed,lpc-io-reg: + $ref: '/schemas/types.yaml#/definitions/uint32-array' + minItems: 1 + maxItems: 2 + description: | + The host CPU LPC IO data and status addresses for the device. For most + channels the status address is derived from the data address, but the + status address may be optionally provided. + + kcs_chan: + deprecated: true + $ref: '/schemas/types.yaml#/definitions/uint32' + description: The LPC channel number in the controller + + kcs_addr: + deprecated: true + $ref: '/schemas/types.yaml#/definitions/uint32' + description: The host CPU IO map address + +required: + - compatible + - interrupts + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + enum: + - aspeed,ast2400-kcs-bmc + - aspeed,ast2500-kcs-bmc + then: + required: + - kcs_chan + - kcs_addr + else: + required: + - reg + - aspeed,lpc-io-reg + +examples: + - | + kcs3: kcs@24 { + compatible = "aspeed,ast2600-kcs-bmc"; + reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>; + aspeed,lpc-io-reg = <0xca2>; + interrupts = <8>; + }; diff --git a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt b/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt deleted file mode 100644 index 193e71ca96b0..000000000000 --- a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt +++ /dev/null @@ -1,33 +0,0 @@ -# Aspeed KCS (Keyboard Controller Style) IPMI interface - -The Aspeed SOCs (AST2400 and AST2500) are commonly used as BMCs -(Baseboard Management Controllers) and the KCS interface can be -used to perform in-band IPMI communication with their host. - -## v1 -Required properties: -- compatible : should be one of - "aspeed,ast2400-kcs-bmc" - "aspeed,ast2500-kcs-bmc" -- interrupts : interrupt generated by the controller -- kcs_chan : The LPC channel number in the controller -- kcs_addr : The host CPU IO map address - -## v2 -Required properties: -- compatible : should be one of - "aspeed,ast2400-kcs-bmc-v2" - "aspeed,ast2500-kcs-bmc-v2" -- reg : The address and size of the IDR, ODR and STR registers -- interrupts : interrupt generated by the controller -- aspeed,lpc-io-reg : The host CPU LPC IO address for the device - -Example: - - kcs3: kcs@24 { - compatible = "aspeed,ast2500-kcs-bmc-v2"; - reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>; - aspeed,lpc-reg = <0xca2>; - interrupts = <8>; - status = "okay"; - }; -- 2.30.2