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arm64: zynqmp: Used fixed-partitions for QSPI in k26

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Using fixed partitions is recommended way how to describe QSPI. Also add
label for qspi flash memory to be able to reference it in future.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/a84f7ce8d6472fce66539ba29d31fbaae511d94b.1655732762.git.michal.simek@amd.com
This commit is contained in:
Michal Simek 2022-06-29 11:13:14 +02:00
parent 41d7f67448
commit 156cb2af92
1 changed files with 85 additions and 78 deletions
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9
arch/arm/dts/zynqmp-sm-k26-revA.dts
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@ -130,7 +130,7 @@
&qspi { /* MIO 0-5 - U143 */
status = "okay";
flash@0 { /* MT25QU512A */
spi_flash: flash@0 { /* MT25QU512A */
compatible = "mt25qu512a", "jedec,spi-nor"; /* 64MB */
#address-cells = <1>;
#size-cells = <1>;
@ -138,6 +138,12 @@
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
spi-max-frequency = <40000000>; /* 40MHz */
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Image Selector";
reg = <0x0 0x80000>; /* 512KB */
@ -217,6 +223,7 @@
reg = <0x2250000 0x1db0000>; /* 29.5 MB */
};
};
};
};
&sdhci0 { /* MIO13-23 - 16GB emmc MTFC16GAPALBH-IT - U133A */