[PATCH 2/3] mmc: dw_mmc: add dw_mmc-k3 for k3 platform
zhangfei.gao at linaro.org
Wed Dec 11 10:53:13 EST 2013
On 12/11/2013 11:36 PM, zhangfei wrote:
> On 12/11/2013 10:49 PM, Arnd Bergmann wrote:
>> On Wednesday 11 December 2013, Zhangfei Gao wrote:
>>> +Required Properties:
>>> +* compatible: should be one of the following.
>>> + - "hisilicon,hi4511-dw-mshc": for controllers with hi4511 specific
>>> +* 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
>> properties? What are the units that are used here, what does the index
> "clk-table" and "clk-table-num" are private properties.
> Instead simply on/off, the ip need different ciu clock for each timing
> Take emmc as example,
> clk-table-num = <8>;
> clk-table =
My bad, this is for sd.
> <13000000 50000000 0 0 13000000 50000000 0 100000000>;
<25000000 0 50000000 25000000 50000000 100000000 0 50000000>;
> MMC_TIMING_LEGACY mode, 25M should be set with parent clock 180M,
> MMC_TIMING_MMC_HS mode, 50M is required with parent clock 360M
> "clk-table" list all clocks to be set in all supported timing one by one.
> "clk-table-num" is the table number, since not find function getting
> table number.
> For example, next version will support MMC_TIMING_MMC_HS200 mode, the
> clk-table-num = <9> with 9 clocks in the "clk-table"
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