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Content-Disposition: inline; filename="302-dts-0059-arm64-dts-fsl-ls1046-Modify-the-qspi-flash-frequency.patch"
Last-Modified: Sun, 26 Jan 2025 04:47:46 GMT
Expires: Wed, 24 Jan 2035 04:47:46 GMT
ETag: "00aaaee297b66736f125979fbae100d2f1c06c4a"

From 0a4e4723a1765770bb04ec4a5ad427b2c97627b6 Mon Sep 17 00:00:00 2001
From: Pankaj Bansal <pankaj.bansal@nxp.com>
Date: Tue, 21 May 2019 20:26:29 +0530
Subject: [PATCH] arm64: dts: fsl: ls1046: Modify the qspi flash frequency

The qspi flash in ls1046a based QDS and RDB boards can operate
at 50MHz frequency.
Therefore, update the maximum supported freq in their respective
dts files.

Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts | 2 +-
 arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-qds.dts
@@ -184,7 +184,7 @@
 		compatible = "spansion,m25p80";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		spi-max-frequency = <20000000>;
+		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <4>;
 		spi-tx-bus-width = <4>;
 		reg = <0>;
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
@@ -3,6 +3,7 @@
  * Device Tree Include file for Freescale Layerscape-1046A family SoC.
  *
  * Copyright 2016 Freescale Semiconductor, Inc.
+ * Copyright 2019 NXP
  *
  * Mingkai Hu <mingkai.hu@nxp.com>
  */
@@ -101,7 +102,7 @@
 		compatible = "spansion,m25p80";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		spi-max-frequency = <20000000>;
+		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <4>;
 		spi-tx-bus-width = <4>;
 		reg = <0>;
@@ -111,7 +112,7 @@
 		compatible = "spansion,m25p80";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		spi-max-frequency = <20000000>;
+		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <4>;
 		spi-tx-bus-width = <4>;
 		reg = <1>;
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From: Kuldeep Singh &lt;kuldeep.singh@nxp.com&gt;
Date: Fri, 3 Jan 2020 14:49:07 +0530
Subject: [PATCH] LF-18-2 arm64: dts: ls1046ardb: Update qspi node dts
 properties

Use compatibles as &quot;jedec,spi-nor&quot; to probe flash without displaying
warning: found s25fs512s, expected m25p80.
Remove &quot;fsl,qspi-has-second-chip&quot; as new driver doesn&#39;t use it anymore.
Update rx and tx width to 1.

Signed-off-by: Kuldeep Singh &lt;kuldeep.singh@nxp.com&gt;
<span class="gd">---</span>
 arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

<span class="gd">--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts</span>
<span class="gi">+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts</span>
<span class="gu">@@ -100,25 +100,24 @@</span>
 
 &amp;qspi {
 	status = &quot;okay&quot;;
<span class="gd">-	fsl,qspi-has-second-chip;</span>
 
<span class="gd">-	qflash0: flash@0 {</span>
<span class="gd">-		compatible = &quot;spansion,m25p80&quot;;</span>
<span class="gi">+	s25fs512s0: flash@0 {</span>
<span class="gi">+		compatible = &quot;jedec,spi-nor&quot;;</span>
 		#address-cells = &lt;1&gt;;
 		#size-cells = &lt;1&gt;;
 		spi-max-frequency = &lt;50000000&gt;;
<span class="gd">-		spi-rx-bus-width = &lt;4&gt;;</span>
<span class="gd">-		spi-tx-bus-width = &lt;4&gt;;</span>
<span class="gi">+		spi-rx-bus-width = &lt;1&gt;;</span>
<span class="gi">+		spi-tx-bus-width = &lt;1&gt;;</span>
 		reg = &lt;0&gt;;
 	};
 
<span class="gd">-	qflash1: flash@1 {</span>
<span class="gd">-		compatible = &quot;spansion,m25p80&quot;;</span>
<span class="gi">+	s25fs512s: flash@1 {</span>
<span class="gi">+		compatible = &quot;jedec,spi-nor&quot;;</span>
 		#address-cells = &lt;1&gt;;
 		#size-cells = &lt;1&gt;;
 		spi-max-frequency = &lt;50000000&gt;;
<span class="gd">-		spi-rx-bus-width = &lt;4&gt;;</span>
<span class="gd">-		spi-tx-bus-width = &lt;4&gt;;</span>
<span class="gi">+		spi-rx-bus-width = &lt;1&gt;;</span>
<span class="gi">+		spi-tx-bus-width = &lt;1&gt;;</span>
 		reg = &lt;1&gt;;
 	};
 };
</pre></div>
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