[PATCH v7 0/2] Mediatek SPI-NOR flash driver

From: Bayi Cheng
Date: Tue Nov 17 2015 - 04:47:15 EST

This series is based on v4.4-rc1 and l2-mtd.git [0] and erase_sector
implementation patch [1]

[0]: git://git.infradead.org/l2-mtd.git
[1]: http://lists.infradead.org/pipermail/linux-mtd/2015-October//062959.html

Change in v7:
1: change PRGDATA3 to PRGDATA4 for quad mode
2: drop PRGDATA3 for signal read mode
3: drop unnecessary partition parser data
4: convert mtd_device_parse_register to mtd_device_register
5: disable clocks on failure

Change in v6:
1: delete mt8173_nor_do_rx
2: delete mt8173_nor_do_rx
3: add mt8173_nor_do_tx_rx for general usage
4: support nor flash with 6 IDs
5: delete mt8173_nor_erase_sector and use "nor->erase_opcode"
6: add mt8173_nor_set_addr to programming the address register
7: initialize the ppdata in mtk_nor_init

Change in v5:
1: add "status = "disable"" to device tree
2: add document "flash" node
3: fix some statement error in Kconfig file
4: fix alphabetical order error in makefile
5: delete the parament "mtd_info *mtd" in mt8173_nor structure
6: delete SPINOR_OP_WREN repeated calls
7: add mt8173_nor_do_tx & mt8173_nor_do_rx for them full potential
8: use a subnode to represent the flash

Change in v4:
1: delete the parament "write_enable" for mt8173_nor_write_reg
2: fix the build warning for calling mt8173_nor_write_single_byte

Change in v3:
1: use switch() to replace some if-else statement
2: use shifts to replace endianness statement
3: delete some unused macros
4: use auto-increment mechanism for single write
5: write address added to 32bytes

Change in v2:
1. Rebase to 4.3-rc1
2. propagate error code
3. delete mux clock and axi clock in dts file
4. descripts more exactly for binding file
5. change file names from mtk-nor.c to mtk_quadspi.c
6. delete some functions witch were used once time

Bayi Cheng (2):
mtd: mtk-nor: mtk serial flash controller driver
arm64: dts: mt8173: Add nor flash node

arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 +-
drivers/mtd/spi-nor/Kconfig | 7 +
drivers/mtd/spi-nor/Makefile | 1 +
drivers/mtd/spi-nor/mtk-quadspi.c | 483 +++++++++++++++++++++++++++++++
4 files changed, 508 insertions(+), 1 deletion(-)
create mode 100644 drivers/mtd/spi-nor/mtk-quadspi.c


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