linux-kernel - [PATCH 2/2] dt-bindings: spi: atmel,quadspi: Define sama7g5 QSPI

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Message-ID: <20211209122939.339810-3-tudor.ambarus@microchip.com>
Date:   Thu, 9 Dec 2021 14:29:39 +0200
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <broonie@...nel.org>, <robh+dt@...nel.org>
CC:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>
Subject: [PATCH 2/2] dt-bindings: spi: atmel,quadspi: Define sama7g5 QSPI

sama7g5 embedds 2 instances of the QSPI controller:
1/ One Octal Serial Peripheral Interface (QSPI0) Supporting up to
   200 MHz DDR. Octal, TwinQuad, HyperFlash and OctaFlash Protocols
   Supported
2/ One Quad Serial Peripheral Interface (QSPI1) Supporting Up to
   90 MHz DDR/133 MHz SDR

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 .../devicetree/bindings/spi/atmel,quadspi.yaml   | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
index 7d0408f53c5f..1d493add4053 100644
--- a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
+++ b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
@@ -17,6 +17,8 @@ properties:
     enum:
       - atmel,sama5d2-qspi
       - microchip,sam9x60-qspi
+      - microchip,sama7g5-qspi
+      - microchip,sama7g5-ospi
 
   reg:
     items:
@@ -32,17 +34,27 @@ properties:
     minItems: 1
     items:
       - description: peripheral clock
-      - description: system clock, if available
+      - description: system clock or generic clock, if available
 
   clock-names:
     minItems: 1
     items:
       - const: pclk
-      - const: qspick
+      - enum: [ qspick, gclk ]
 
   interrupts:
     maxItems: 1
 
+  dmas:
+    items:
+      - description: tx DMA channel
+      - description: rx DMA channel
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
   '#address-cells':
     const: 1
 
-- 
2.25.1