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| author |   Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2018-06-19 17:13:01 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-07 17:24:32 +0200 |
| commit | 917809e2280bb83994be8b642373fd941d40c407 (patch) | |
| tree | b932c84646fef85bceccaaea9e06c6bc7b2141e7 /drivers/slimbus/slimbus.h | |
| parent | slimbus: ngd: dt-bindings: Add slim ngd dt bindings (diff) | |
| download | linux-dev-917809e2280bb83994be8b642373fd941d40c407.tar.xz linux-dev-917809e2280bb83994be8b642373fd941d40c407.zip | |
slimbus: ngd: Add qcom SLIMBus NGD driver
This patch adds suppor to Qualcomm SLIMBus Non-Generic Device (NGD)
controller driver.
This is light-weight SLIMBus controller driver responsible for
communicating with slave HW directly over the bus using messaging
interface, and communicating with master component residing on ADSP
for bandwidth and data-channel management
Based on intial work from
Karthikeyan Ramasubramanian <kramasub@codeaurora.org> and
Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/slimbus/slimbus.h')
| -rw-r--r-- | drivers/slimbus/slimbus.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/slimbus/slimbus.h b/drivers/slimbus/slimbus.h index 2ba6545fa716..63229e8cd050 100644 --- a/drivers/slimbus/slimbus.h +++ b/drivers/slimbus/slimbus.h @@ -17,6 +17,8 @@ /* SLIMbus message types. Related to interpretation of message code. */ #define SLIM_MSG_MT_CORE 0x0 +#define SLIM_MSG_MT_DEST_REFERRED_USER 0x2 +#define SLIM_MSG_MT_SRC_REFERRED_USER 0x6 /* * SLIM Broadcast header format @@ -48,6 +50,12 @@ #define SLIM_MSG_MC_NEXT_PAUSE_CLOCK 0x4A #define SLIM_MSG_MC_RECONFIGURE_NOW 0x5F +/* + * Clock pause flag to indicate that the reconfig message + * corresponds to clock pause sequence + */ +#define SLIM_MSG_CLK_PAUSE_SEQ_FLG (1U << 8) + /* Clock pause values per SLIMbus spec */ #define SLIM_CLK_FAST 0 #define SLIM_CLK_CONST_PHASE 1 |