[PATCH v4 0/5] mtd: rawnand: denali: add new clocks and improve setup_data_interface

Masahiro Yamada
2018-06-22T16:08:41Z

The ->setup_data_interface() hook needs to know the clock frequency.
In fact, this IP needs three clocks, but the current driver does not
represent it. Thus, it is hard to understand what is the correct
clock frequency.
(at least, clock property is not described in the DT-binding at all.)

This series adds more clocks based on the IP datasheet, and document
it in the DT binding.
In the new binding, three clocks are required: core clock, bus interface
clock, ECC engine clock.

1/5 is a backport candidate to fix SOCFPGA.

Masahiro Yamada (5):
mtd: rawnand: denali_dt: set clk_x_rate to 200 MHz unconditionally
mtd: rawnand: denali_dt: use dev as a shorthand of &pdev->dev
dt-binding: mtd: denali_dt: document clock property
mtd: rawnand: denali_dt: add more clocks based on IP datasheet
mtd: rawnand: denali: optimize timing parameters for data interface

.../devicetree/bindings/mtd/denali-nand.txt | 5 ++
drivers/mtd/nand/raw/denali.c | 49 ++++++++--------
drivers/mtd/nand/raw/denali.h | 1 +
drivers/mtd/nand/raw/denali_dt.c | 66 ++++++++++++++++++----
drivers/mtd/nand/raw/denali_pci.c | 1 +
5 files changed, 86 insertions(+), 36 deletions(-)

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2.7.4