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I am currently trying to use an S70FS01GS in Linux. After going through the forum posts I came across the following Application Note:
Software Application Notice for S70FS01GS NOR Flash - KBA225966 which had a link to the following note:
S25FS-S Support Under Linux - KBA218975 which states that if I need a driver patch to add support for FS devices I need to ask Cypress.
Would it be possible for me to get this Linux Driver patch for the S70FS01GS device. I am currently using the 4.19.26 Linux Kernel.
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Serial NOR
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Hello
Please refer to url for Linux Driver patch below
https://www.cypress.com/products/serial-nor-flash-memory - click Software & Tools
Thank you
Regards,
Bushra
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Hello
Please refer to url for Linux Driver patch below
https://www.cypress.com/products/serial-nor-flash-memory - click Software & Tools
Thank you
Regards,
Bushra
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Hi Bushra,
Thank you for the link to the driver. I have been able to build the driver and I am using the following as my device tree binding:
&qspi {
status = "okay";
qflash0: s70fs01gs@0 {
compatible = "cy-snor";
#address-cells = <1>;
#size-cells = <1>;
m25p,fast-read;
spi-max-frequency = <20000000>;
reg = <0>;
};
};
However, the driver doesn't seem to probe when I load my system. I have enabled all the kernel configs as per the README file in the driver and I have confirmed that they are set.
Any ideas on how to proceed?
Regards,
Himesh
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I forgot to mention I am using an NXP LS1088A processor with and it's SPI Controller driver is "drivers/mtd/spi-nor/fsl-quadspi.c" in the Linux driver source tree, if that helps.