On Wednesday 11 December 2013, Zhangfei Gao wrote:
> Add dw_mmc-k3.c for k3v2, support sd/emmc
>
> Signed-off-by: Zhangfei Gao <[email protected]>
> Tested-by: Zhigang Wang <[email protected]>
> ---
> .../devicetree/bindings/mmc/k3-dw-mshc.txt | 51 ++++++++
> drivers/mmc/host/Kconfig | 10 ++
> drivers/mmc/host/Makefile | 1 +
> drivers/mmc/host/dw_mmc-k3.c | 136
> ++++++++++++++++++++
> 4 files changed, 198 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
> create mode 100644 drivers/mmc/host/dw_mmc-k3.c
>
> diff --git a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
> b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
> new file mode 100644
> index 000000000000..d816b89c386a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
> @@ -0,0 +1,51 @@
> +* Hisilicon specific extensions to the Synopsys Designware Mobile
> + Storage Host Controller
> +
> +Read synopsys-dw-mshc.txt for more details
> +
> +The Synopsys designware mobile storage host controller is used to interface
> +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
> +differences between the core Synopsys dw mshc controller properties described
> +by synopsys-dw-mshc.txt and the properties used by the Hisilicon specific
> +extensions to the Synopsys Designware Mobile Storage Host Controller.
> +
> +Required Properties:
> +
> +* compatible: should be one of the following.
> + - "hisilicon,hi4511-dw-mshc": for controllers with hi4511 specific
> extentions.
> +* clk-table-num: should be number of clks in clk-table required by each mmc
> timing
> +* clk-table: should clock list required by each mmc timing
I have not seen "clk-table" and "clk-table-num" before. Are these standard
properties? What are the units that are used here, what does the index mean?
Arnd
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