Re: [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver

From: Rob Herring
Date: Mon Feb 08 2016 - 15:26:29 EST


On Sat, Feb 06, 2016 at 11:44:23AM -0700, Sagar Dharia wrote:
> This controller driver programs manager, interface, and framer
> devices for Qualcomm's slimbus HW block.
> Manager component currently implements logical address setting,
> and messaging interface.
> Interface device reports bus synchronization information, and framer
> device clocks the bus from the time it's woken up, until clock-pause
> is executed by the manager device.
>
> Signed-off-by: Sagar Dharia <sdharia@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/slimbus/slim-qcom-ctrl.txt | 43 ++
> drivers/slimbus/Kconfig | 10 +
> drivers/slimbus/Makefile | 1 +
> drivers/slimbus/slim-qcom-ctrl.c | 556 +++++++++++++++++++++
> drivers/slimbus/slim-qcom.h | 63 +++
> 5 files changed, 673 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
> create mode 100644 drivers/slimbus/slim-qcom-ctrl.c
> create mode 100644 drivers/slimbus/slim-qcom.h
>
> diff --git a/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
> new file mode 100644
> index 0000000..7b6c366
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/slimbus/slim-qcom-ctrl.txt
> @@ -0,0 +1,43 @@
> +Qualcomm SLIMBUS controller
> +"qcom,slim-msm": This controller is used if applications processor

This should be more specific and include the soc name(s).

> + driver is controlling slimbus master component. This driver is
> + responsible for communicating with slave HW directly using
> + messaging interface, and doing data channel management.
> +