linux-kernel - [PATCH v1 1/2] dt-binding: spi: constrain minItems of clocks and clock-names

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Message-ID: <20230704091948.85247-2-william.qiu@starfivetech.com>
Date:   Tue, 4 Jul 2023 17:19:43 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     <devicetree@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
CC:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Linus Walleij <linus.walleij@...aro.org>,
        William Qiu <william.qiu@...rfivetech.com>
Subject: [PATCH v1 1/2] dt-binding: spi: constrain minItems of clocks and clock-names

The SPI controller only need apb_pclk clock to work properly on JH7110 SoC,
so there add minItems whose value is equal to 1. Other platforms do not
have this constraint.

Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
---
 Documentation/devicetree/bindings/spi/spi-pl022.yaml | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-pl022.yaml b/Documentation/devicetree/bindings/spi/spi-pl022.yaml
index 91e540a92faf..42bb34c39971 100644
--- a/Documentation/devicetree/bindings/spi/spi-pl022.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-pl022.yaml
@@ -11,6 +11,7 @@ maintainers:
 
 allOf:
   - $ref: spi-controller.yaml#
+  - $ref: /schemas/arm/primecell.yaml#
 
 # We need a select here so we don't match all nodes with 'arm,primecell'
 select:
@@ -34,12 +35,16 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 1
     maxItems: 2
 
   clock-names:
-    items:
-      - const: sspclk
-      - const: apb_pclk
+    oneOf:
+      - items:
+          - const: apb_pclk
+      - items:
+          - const: sspclk
+          - const: apb_pclk
 
   pl022,autosuspend-delay:
     description: delay in ms following transfer completion before the
-- 
2.34.1