spi: spi_amd: Add support for HID2 SPI controller

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AMD SoC has HID2 SPI controller in addition to the existing SPI0
controller(AMDI0062). Add HID2 SPI controller's ACPI ID AMDI0063 with its
version ID to the list of supported devices. Use the version ID to
differentiate the register offsets.

And, the AMD HID2 SPI controller supports DMA read, allowing for up to 4 KB
of data to be read in single transaction. Update the SPI-MEM support
function to reflect this capability.

Co-developed-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Signed-off-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20240925133644.2922359-7-Raju.Rangoju@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Raju Rangoju 2024-09-25 19:06:42 +05:30 • committed by Mark Brown

parent d97735d42a

commit 145d61c0ab

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drivers/spi/spi-amd.c

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