[PATCH] [v2] pinctrl: add support for Qualcomm Technologies QDF2xxx ARM64 SoCs
Linus Walleij
linus.walleij at linaro.org
Fri Jul 17 05:41:21 PDT 2015
On Wed, Jul 15, 2015 at 6:47 PM, Timur Tabi <timur at codeaurora.org> wrote:
> Add the pinctrl driver for the Qualcomm Technologies QDF2xxx ARM64 SoCs,
> which uses the Qualcomm Technologies TLMM pinctrl/gpio device. This
> driver is probed via ACPI and uses the pinctrl-msm.c backend driver.
>
> This driver is intended to be used only an ACPI-enabled system. As such,
> UEFI will handle all pin control configuration, so this driver does not
> provide pin control functions. It is effectively a GPIO-only driver.
In my experience, you will come back and add pin control to it if
it ever sees any practical power-aware use cases.
For the same reason that Intel is doing it to their pin controllers,
that also run on systems that are ACPI-enabled.
>
> Signed-off-by: Timur Tabi <timur at codeaurora.org>
This version applied with Björn's review tag.
Yours,
Linus Walleij
More information about the linux-arm-kernel
mailing list