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* memory: add Renesas RPC-IF driverSergei Shtylyov2020-07-011-0/+87
| | | | | | | | | | | | | Add the memory driver for Renesas RPC-IF which registers either SPI or HyperFLash device depending on the contents of the device tree subnode. It also provides the absract "back end" device APIs that can be used by the "front end" SPI/MTD drivers to talk to the real hardware. Based on the original patch by Mason Yang <masonccyang@mxic.com.tw>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Link: https://lore.kernel.org/r/9a3606ec-d4d0-c63a-4fb6-631ab38e621c@cogentembedded.com Signed-off-by: Mark Brown <broonie@kernel.org>
* memory: move jedec_ddr.h from include/memory to drivers/memory/Masahiro Yamada2019-06-171-175/+0
| | | | | | | | | | | | | | | | Now that jedec_ddr_data.c was moved from lib/ to drivers/memory/, <memory/jedec_ddr.h> is included only from drivers/memory/. Make it a local header of drivers/memory/. The directory include/memory is now gone. While I am here, I also changed #include <linux/module.h> to <linux/export.h>. Because CONFIG_DDR is bool, jedec_ddr_data.c is never compiled as a module. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Olof Johansson <olof@lixom.net>
* ddr: add LPDDR2 data from JESD209-2Aneesh V2012-05-021-0/+175
add LPDDR2 data from the JEDEC spec JESD209-2. The data includes: 1. Addressing information for LPDDR2 memories of different densities and types(S2/S4) 2. AC timing data. This data will useful for memory controller device drivers. Right now this is used by the TI EMIF SDRAM controller driver. Signed-off-by: Aneesh V <aneesh@ti.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Benoit Cousson <b-cousson@ti.com> [santosh.shilimkar@ti.com: Moved to drivers/memory from drivers/misc] Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>