On Wed, Dec 02, 2015 at 11:35:59AM -0800, Jin Qian wrote:
> From: Greg Hackmann <ghackmann@xxxxxxxxxx>
>
> Add bindings so we don't need to rely on goldfish virtual bus for
> probing any more, which means we don't need ARM and MIPS goldfish
> board code for instantiating the bus.
>
> In the long term we would like to move towards replacing the Android
> pipe with virtio-vsock that is currently under development.
>
> Signed-off-by: Greg Hackmann <ghackmann@xxxxxxxxxx>
> Signed-off-by: Jin Qian <jinqian@xxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/goldfish/pipe.txt | 17 +++++++++++++++++
> drivers/platform/goldfish/goldfish_pipe.c | 10 +++++++++-
> 2 files changed, 26 insertions(+), 1 deletion(-)
> create mode 100644 Documentation/devicetree/bindings/goldfish/pipe.txt
>
> diff --git a/Documentation/devicetree/bindings/goldfish/pipe.txt b/Documentation/devicetree/bindings/goldfish/pipe.txt
> new file mode 100644
> index 0000000..e417a31
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/goldfish/pipe.txt
> @@ -0,0 +1,17 @@
> +Android Goldfish QEMU Pipe
> +
> +Andorid pipe virtual device generated by android emulator.
> +
> +Required properties:
> +
> +- compatible : should contain "google,android-pipe" to match emulator
> +- reg : <registers mapping>
> +- interrupts : <interrupt mapping>
> +
> +Example:
> +
> + android_pipe@a010000 {
> + compatible = "google,android-pipe";
> + reg = <ff018000 0x2000>;
> + interrupts = <0x12>;
> + };
> diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
> index 20a9337..0b187ff 100644
> --- a/drivers/platform/goldfish/goldfish_pipe.c
> +++ b/drivers/platform/goldfish/goldfish_pipe.c
> @@ -624,11 +624,19 @@ static int goldfish_pipe_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static const struct of_device_id goldfish_pipe_of_match[] = {
> + { .compatible = "google,android-pipe", },
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, goldfish_pipe_of_match);
> +
> static struct platform_driver goldfish_pipe = {
> .probe = goldfish_pipe_probe,
> .remove = goldfish_pipe_remove,
> .driver = {
> - .name = "goldfish_pipe"
> + .name = "goldfish_pipe",
> + .owner = THIS_MODULE,
> + .of_match_table = goldfish_pipe_of_match,
> }
> };
>
> --
> 2.6.0.rc2.230.g3dd15c0
>
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