* [PATCH] arm: dts: xilinx: parallella: Enable QSPI and NOR flash
@ 2026-09-17 22:53 Aleksander Jan Bajkowski
2026-11-04 11:23 ` Michal Simek
0 siblings, 1 reply; 2+ messages in thread
From: Aleksander Jan Bajkowski @ 2026-09-17 22:53 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, michal.simek, olek2, devicetree,
linux-arm-kernel, linux-kernel
The Parallella board has a SPI-NOR flash connected to the QSPI controller.
Enable the QSPI controller and add the corresponding SPI-NOR flash node
to allow the system to access it.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
---
arch/arm/boot/dts/xilinx/zynq-parallella.dts | 33 ++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/arch/arm/boot/dts/xilinx/zynq-parallella.dts b/arch/arm/boot/dts/xilinx/zynq-parallella.dts
index 366af4fcf8d9..1903aa1cd83b 100644
--- a/arch/arm/boot/dts/xilinx/zynq-parallella.dts
+++ b/arch/arm/boot/dts/xilinx/zynq-parallella.dts
@@ -78,6 +78,39 @@ ldo2 {
};
};
+&qspi {
+ bootph-all;
+ status = "okay";
+ num-cs = <1>;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "uboot";
+ reg = <0x0 0x4e0000>;
+ read-only;
+ };
+
+ partition@4e0000 {
+ label = "uboot-env";
+ reg = <0x4e0000 0x10000>;
+ read-only;
+ };
+ };
+ };
+};
+
&sdhci1 {
status = "okay";
};
--
2.53.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] arm: dts: xilinx: parallella: Enable QSPI and NOR flash
2026-09-17 22:53 [PATCH] arm: dts: xilinx: parallella: Enable QSPI and NOR flash Aleksander Jan Bajkowski
@ 2026-11-04 11:23 ` Michal Simek
0 siblings, 0 replies; 2+ messages in thread
From: Michal Simek @ 2026-11-04 11:23 UTC (permalink / raw)
To: Aleksander Jan Bajkowski, robh, krzk+dt, conor+dt, devicetree,
linux-arm-kernel, linux-kernel
On 9/18/26 00:53, Aleksander Jan Bajkowski wrote:
> The Parallella board has a SPI-NOR flash connected to the QSPI controller.
> Enable the QSPI controller and add the corresponding SPI-NOR flash node
> to allow the system to access it.
>
> Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
> ---
> arch/arm/boot/dts/xilinx/zynq-parallella.dts | 33 ++++++++++++++++++++
> 1 file changed, 33 insertions(+)
Applied.
M
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-09-17 22:53 [PATCH] arm: dts: xilinx: parallella: Enable QSPI and NOR flash Aleksander Jan Bajkowski
2026-11-04 11:23 ` Michal Simek
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