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Mon, 14 Feb 2022 09:42:40 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.60.190]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 3F91F2201DE; Mon, 14 Feb 2022 10:42:39 +0100 (CET) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org Cc: Mark Brown , Tudor Ambarus , Pratyush Yadav , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , linux-aspeed@lists.ozlabs.org, Joel Stanley , Andrew Jeffery , Chin-Ting Kuo , devicetree@vger.kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH 02/10] dt-bindings: spi: Add Aspeed SMC controllers device tree binding Date: Mon, 14 Feb 2022 10:42:23 +0100 Message-Id: <20220214094231.3753686-3-clg@kaod.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220214094231.3753686-1-clg@kaod.org> References: <20220214094231.3753686-1-clg@kaod.org> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: SVAXzlNXx-lcWtADIb1AJM6h38RvEX5S X-Proofpoint-ORIG-GUID: SVAXzlNXx-lcWtADIb1AJM6h38RvEX5S X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-14_01,2022-02-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 adultscore=0 clxscore=1034 lowpriorityscore=0 impostorscore=0 suspectscore=0 mlxlogscore=815 priorityscore=1501 mlxscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202140058 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220214_014318_401645_52126D9B X-CRM114-Status: GOOD ( 16.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The "interrupt" property is optional because it is only necessary for controllers supporting DMAs (Not implemented yet in the new driver). Cc: Chin-Ting Kuo Signed-off-by: Cédric Le Goater --- .../bindings/spi/aspeed,ast2600-fmc.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml new file mode 100644 index 000000000000..ed71c4d86930 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed SMC controllers bindings + +maintainers: + - Chin-Ting Kuo + - Cédric Le Goater + +description: | + This binding describes the Aspeed Static Memory Controllers (FMC and + SPI) of the AST2400, AST2500 and AST2600 SOCs. + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + enum: + - aspeed,ast2600-fmc + - aspeed,ast2600-spi + - aspeed,ast2500-fmc + - aspeed,ast2500-spi + - aspeed,ast2400-fmc + - aspeed,ast2400-spi + + reg: + items: + - description: registers + - description: memory mapping + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +patternProperties: + "@[0-9a-f]+": + type: object + + properties: + spi-rx-bus-width: + enum: [1, 2, 4] + + required: + - reg + +required: + - compatible + - reg + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + spi@1e620000 { + reg = < 0x1e620000 0xc4 + 0x20000000 0x10000000 >; + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2600-fmc"; + clocks = <&syscon ASPEED_CLK_AHB>; + status = "disabled"; + interrupts = ; + flash@0 { + reg = < 0 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + flash@1 { + reg = < 1 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + flash@2 { + reg = < 2 >; + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + status = "disabled"; + }; + };