[PATCH 3/4] ARM: OMAP3+: hwmod: Add AM33XX HWMOD data for davinci_mdio module
jacmet at sunsite.dk
Tue Oct 30 17:35:14 EDT 2012
>>>>> "Vaibhav" == Vaibhav Hiremath <hvaibhav at ti.com> writes:
Vaibhav> From: Mugunthan V N <mugunthanvnm at ti.com>
Vaibhav> This patch adds hwmod entry for davinci MDIO module,
Vaibhav> creating parent<->child relationship between CPSW and MDIO module.
Vaibhav> This Parent-child relation is required in order to use common resources
Vaibhav> like, clock, but still maintaining the logical separation between them.
Vaibhav> CPGMAC SubSystem consist of various sub-modules, like, mdio, cpdma,
Vaibhav> cpsw, etc... These sub-modules are also used in some of Davinci
Vaibhav> family of devices, so separate and independent platform devices &
Vaibhav> drivers for CPSW and MDIO is implemented.
Vaibhav> In case of AM33XX, the resources are shared and common register
Vaibhav> bit-field is provided to control module/clock enable/disable,
Vaibhav> makes it difficult to handle common resources from both drivers.
Vaibhav> So the solution is, create parent<->child relationship between
Vaibhav> CPGMAC & MDIO modules.
Vaibhav> Signed-off-by: Mugunthan V N <mugunthanvnm at ti.com>
Vaibhav> Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Vaibhav> Cc: Richard Cochran <richardcochran at gmail.com>
Vaibhav> Cc: Paul Walmsley <paul at pwsan.com>
Acked-by: Peter Korsgaard <jacmet at sunsite.dk>
Bye, Peter Korsgaard
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