[PATCH v5 04/16] test: dm: add protocol-specific channel test

[AKASHI Takahiro]

Any SCMI protocol may have its own channel.
Test this feature on sandbox as the necessary framework was added
in a prior commit.

Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
---
v5
* new commit
---
 arch/sandbox/dts/test.dts |  1 +
 test/dm/scmi.c            | 20 ++++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index f351d5cb84b0..5e2bf8623dff 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -700,6 +700,7 @@
                        clk_scmi: protocol@14 {
                                reg = <0x14>;
                                #clock-cells = <1>;
+                               linaro,sandbox-channel-id = <0x14>;
                        };
 
                        reset_scmi: protocol@16 {
diff --git a/test/dm/scmi.c b/test/dm/scmi.c
index d87e2731ce42..e4fb1bc635cb 100644
--- a/test/dm/scmi.c
+++ b/test/dm/scmi.c
@@ -109,7 +109,7 @@ static int dm_test_scmi_clocks(struct unit_test_state *uts)
        struct sandbox_scmi_devices *scmi_devices;
        struct sandbox_scmi_service *scmi_ctx;
        struct sandbox_scmi_agent *agent;
-       struct udevice *dev;
+       struct udevice *agent_dev, *clock_dev, *dev;
        int ret_dev;
        int ret;
 
@@ -124,6 +124,14 @@ static int dm_test_scmi_clocks(struct unit_test_state *uts)
        agent = scmi_ctx->agent;
        ut_assertnonnull(agent);
 
+       /* Sandbox SCMI clock protocol has its own channel */
+       ut_assertok(uclass_get_device_by_name(UCLASS_SCMI_AGENT, "scmi",
+                                             &agent_dev));
+       ut_assertnonnull(agent_dev);
+       clock_dev = scmi_get_protocol(agent_dev, SCMI_PROTOCOL_ID_CLOCK);
+       ut_assertnonnull(clock_dev);
+       ut_asserteq(0x14, sandbox_scmi_channel_id(clock_dev));
+
        /* Test SCMI clocks rate manipulation */
        ut_asserteq(333, agent->clk[0].rate);
        ut_asserteq(200, agent->clk[1].rate);
@@ -172,7 +180,7 @@ static int dm_test_scmi_resets(struct unit_test_state *uts)
        struct sandbox_scmi_devices *scmi_devices;
        struct sandbox_scmi_service *scmi_ctx;
        struct sandbox_scmi_agent *agent;
-       struct udevice *dev = NULL;
+       struct udevice *agent_dev, *reset_dev, *dev = NULL;
        int ret;
 
        ret = load_sandbox_scmi_test_devices(uts, &dev);
@@ -186,6 +194,14 @@ static int dm_test_scmi_resets(struct unit_test_state *uts)
        agent = scmi_ctx->agent;
        ut_assertnonnull(agent);
 
+       /* Sandbox SCMI reset protocol doesn't have its own channel */
+       ut_assertok(uclass_get_device_by_name(UCLASS_SCMI_AGENT, "scmi",
+                                             &agent_dev));
+       ut_assertnonnull(agent_dev);
+       reset_dev = scmi_get_protocol(agent_dev, SCMI_PROTOCOL_ID_RESET_DOMAIN);
+       ut_assertnonnull(reset_dev);
+       ut_asserteq(0x0, sandbox_scmi_channel_id(reset_dev));
+
        /* Test SCMI resect controller manipulation */
        ut_assert(!agent->reset[0].asserted);
 
-- 
2.34.1