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| author | Jun Nie <jun.nie@linaro.org> | 2017-01-11 07:35:35 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-02-13 13:20:02 +0100 |
| commit | a0361c1a4d265ea36796149a29b48e41a5ba28d9 (patch) | |
| tree | ee14b7c6a2add1875984fd44ea10816efd2f9d37 /drivers/mmc/host/dw_mmc.h | |
| parent | Documentation: synopsys-dw-mshc: add binding for fifo quirks (diff) | |
| download | linux-a0361c1a4d265ea36796149a29b48e41a5ba28d9.tar.xz linux-a0361c1a4d265ea36796149a29b48e41a5ba28d9.zip | |
mmc: dw_mmc: Add fifo address property
The FIFO address may break default address assumption of 0x100
(version < 0x240A) and 0x200(version >= 0x240A) in current driver.
The new property is introduced to override fifo address via DT
node information.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 231a46f142d2..e08e3272a5ad 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -114,6 +114,7 @@ struct dw_mci_dma_slave { * @ciu_clk: Pointer to card interface unit clock instance. * @slot: Slots sharing this MMC controller. * @fifo_depth: depth of FIFO. + * @data_addr_override: override fifo reg offset with this value. * @data_shift: log2 of FIFO item size. * @part_buf_start: Start index in part_buf. * @part_buf_count: Bytes of partial data in part_buf. @@ -161,6 +162,7 @@ struct dw_mci { spinlock_t irq_lock; void __iomem *regs; void __iomem *fifo_reg; + u32 data_addr_override; struct scatterlist *sg; struct sg_mapping_iter sg_miter; |