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Date: Mon, 19 Sep 2022 18:08:42 +0300 From: Sergiu Moga <sergiu.moga@...rochip.com> To: <lee@...nel.org>, <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>, <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>, <claudiu.beznea@...rochip.com>, <radu_nicolae.pirea@....ro>, <richard.genoud@...il.com>, <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>, <kavyasree.kotagiri@...rochip.com> CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>, <linux-serial@...r.kernel.org>, Sergiu Moga <sergiu.moga@...rochip.com>, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Subject: [PATCH v4 4/9] dt-bindings: mfd: atmel,sama5d2-flexcom: Add USART child node ref binding FLEXCOM, among other functionalities, has the ability to offer the USART serial communication protocol. To have the FLEXCOM binding properly validate its USART children nodes, we must reference the correct binding. To differentiate between the SPI of FLEXCOM and the SPI of USART in SPI mode, use the compatible string. Signed-off-by: Sergiu Moga <sergiu.moga@...rochip.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> --- v1 -> v2: - Nothing v2 -> v3: - Previously [PATCH 7] - Compare devices based on the compatible instead of the clock v3 -> v4: - add A-b tag, this was previously [PATCH 8] .../bindings/mfd/atmel,sama5d2-flexcom.yaml | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml index f283cfd84b2d..0ebe624c2d32 100644 --- a/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml +++ b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml @@ -72,13 +72,21 @@ properties: patternProperties: "^serial@[0-9a-f]+$": - type: object + $ref: /schemas/serial/atmel,at91-usart.yaml description: - Child node describing USART. See atmel-usart.txt for details - of USART bindings. + Child node describing USART. "^spi@[0-9a-f]+$": - $ref: /schemas/spi/atmel,at91rm9200-spi.yaml + allOf: + - if: + properties: + compatible: + contains: + const: atmel,at91sam9260-usart + then: + $ref: /schemas/serial/atmel,at91-usart.yaml + else: + $ref: /schemas/spi/atmel,at91rm9200-spi.yaml description: Child node describing SPI. -- 2.34.1
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