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Message-ID: <20221219144254.20883-5-wsadowski@marvell.com>
Date: Mon, 19 Dec 2022 06:42:51 -0800
From: Witold Sadowski <wsadowski@...vell.com>
To: <broonie@...nel.org>
CC: <linux-spi@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <jpawar@...ence.com>,
<pthombar@...ence.com>, <konrad@...ence.com>,
<wbartczak@...vell.com>, <wzmuda@...vell.com>,
<wsadowski@...vell.com>
Subject: [PATCH 4/7] spi: cadence: Change dt-bindings documentation for Cadence XSPI controller
Add parameter cdns,read-size.
Parameter is controlling SDMA read size length.
Signed-off-by: Witold Sadowski <wsadowski@...vell.com>
---
Documentation/devicetree/bindings/spi/cdns,xspi.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
index f71a9c74e2ca..1274e3bf68e6 100644
--- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
+++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
@@ -37,6 +37,10 @@ properties:
interrupts:
maxItems: 1
+ cdns,read-size:
+ items:
+ - description: size of single SDMA read operation
+
required:
- compatible
- reg
@@ -60,6 +64,7 @@ examples:
reg-names = "io", "sdma", "aux";
interrupts = <0 90 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
+ cdns,read-size=<0>;
flash@0 {
compatible = "jedec,spi-nor";
--
2.17.1
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