linux-kernel - [PATCH V6 2/3] dt-bindings: spi: support hclk

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Message-ID: <20220321013922.24067-3-leilk.liu@mediatek.com>
Date:   Mon, 21 Mar 2022 09:39:21 +0800
From:   Leilk Liu <leilk.liu@...iatek.com>
To:     Mark Brown <broonie@...nel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-spi@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        Leilk Liu <leilk.liu@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH V6 2/3] dt-bindings: spi: support hclk

this patch support hclk for AHB bus.

Signed-off-by: Leilk Liu <leilk.liu@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../devicetree/bindings/spi/mediatek,spi-mt65xx.yaml          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
index 7247a177466b..ecb4a5002cc1 100644
--- a/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
+++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml
@@ -53,16 +53,20 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 3
     items:
       - description: clock used for the parent clock
       - description: clock used for the muxes clock
       - description: clock used for the clock gate
+      - description: clock used for the AHB bus, this clock is optional
 
   clock-names:
+    minItems: 3
     items:
       - const: parent-clk
       - const: sel-clk
       - const: spi-clk
+      - const: hclk
 
   mediatek,pad-select:
     $ref: /schemas/types.yaml#/definitions/uint32-array
-- 
2.25.1