[PATCH v3 2/7] ARM: bcm2835: Add a Raspberry Pi-specific clock driver.
Lee Jones
lee at kernel.org
Tue Jun 9 02:56:28 PDT 2015
On Mon, 08 Jun 2015, Eric Anholt wrote:
> Unfortunately, the clock manager's registers are not accessible by the
> ARM, so we have to request that the firmware modify our clocks for us.
>
> This driver only registers the clocks at the point they are requested
> by a client driver. This is partially to support returning
> -EPROBE_DEFER when the firmware driver isn't supported yet, but it
> also avoids issues with disabling "unused" clocks due to them not yet
> being connected to their consumers in the DT.
>
> v2: Declare the mutex static (from review by Baruch Siach), merge
> description and copyright comments.
>
> v3: Update for new rpi firmware API. Update the compatible string.
> Make the firmware handle be under a vendor-namespaced property.
> Make the DT indices match the firmware clock IDs. Move the driver
> under the firmware driver's Kconfig, since it requires it. Move a
> container_of() from 2 callers into the callee.
>
> Signed-off-by: Eric Anholt <eric at anholt.net>
> ---
> drivers/clk/Makefile | 1 +
> drivers/clk/clk-raspberrypi.c | 242 ++++++++++++++++++++++++++++++++++++++++++
This is not an "ARM" patch.
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