[U-Boot] [PATCH V3] fsl: esdhc: support driver model
Peng Fan
van.freenix at gmail.com
Sun Mar 27 16:57:37 CEST 2016
Hi Eric,
On Fri, Mar 25, 2016 at 01:12:39PM -0700, Eric Nelson wrote:
>Hi Peng,
>
>On 03/24/2016 11:16 PM, Peng Fan wrote:
>> Support Driver Model for fsl esdhc driver.
>>
>> 1. Introduce a new structure struct fsl_esdhc_priv
>> 2. Refactor fsl_esdhc_initialize which is originally used by board code.
>> - Introduce fsl_esdhc_init to be common usage for DM and non-DM
>> - Introduce fsl_esdhc_cfg_to_priv to build the bridge for non-DM part.
>> - The original API for board code is still there, but we use
>> 'fsl_esdhc_cfg_to_priv' and 'fsl_esdhc_init' to serve it.
>> 3. All the functions are changed to use 'struct fsl_esdhc_priv', except
>> fsl_esdhc_initialize.
>> 4. Since clk driver is not implemented, use mxc_get_clock to geth
>> the clk and fill 'priv->sdhc_clk'.
>>
>> Has been tested on i.MX6UL 14X14 EVK board:
>> "
>> =>dm tree
>> ....
>> simple_bus [ + ] | `-- aips-bus at 02100000
>> mmc [ + ] | |-- usdhc at 02190000
>> mmc [ + ] | |-- usdhc at 02194000
>> ....
>> => mmc list
>> FSL_SDHC: 0 (SD)
>> FSL_SDHC: 1 (SD)
>> "
>>
>
>After pulling in device tree files from the mainline kernel, I was able
>to test this on a SABRE Lite, so you can add my:
>
>Tested-By: Eric Nelson <eric at nelint.com>
Thanks, Eric.
>
>Is somebody prepping patches to pull in support for i.MX6DQ?
I can not follow you on this? you mean adding dts files for i.MX6DQ or else?
Regards,
Peng
>
>Please advise,
>
>
>Eric
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