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soc: qcom: Add APR bus driver

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This patch adds support to APR bus (Asynchronous Packet Router) driver.
APR driver is made as a bus driver so that the apr devices can added removed
more dynamically depending on the state of the services on the dsp.
APR is used for communication between application processor and QDSP to
use services on QDSP like Audio and others.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-and-tested-by: Rohit kumar <rohitkr@codeaurora.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2018-05-09 13:56:13 +01:00 • committed by Mark Brown
parent 8675e8d3d1
commit 6adba21eb4
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11
include/linux/mod_devicetable.h
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@ -471,6 +471,17 @@ struct slim_device_id {
kernel_ulong_t driver_data;
};
#define APR_NAME_SIZE 32
#define APR_MODULE_PREFIX "apr:"
struct apr_device_id {
char name[APR_NAME_SIZE];
__u32 domain_id;
__u32 svc_id;
__u32 svc_version;
kernel_ulong_t driver_data; /* Data private to the driver */
};
#define SPMI_NAME_SIZE 32
#define SPMI_MODULE_PREFIX "spmi:"