[PATCH v3 2/2] test: dm: add ofnode_graph tests
Svyatoslav Ryhel
clamor95 at gmail.com
Tue Feb 18 18:08:39 CET 2025
Test suit for of_graph parsing helpers.
Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
---
arch/sandbox/dts/test.dts | 55 +++++++++++++++++++++++++++++++++++++++
test/dm/ofnode.c | 54 ++++++++++++++++++++++++++++++++++++++
2 files changed, 109 insertions(+)
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index b8f3012873e..80291958533 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -2048,6 +2048,61 @@
sandbox,err-step-size = <512>;
};
};
+
+ graph1 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <0>;
+
+ endpoint at 0 {
+ reg = <0>;
+ };
+
+ endpoint at 1 {
+ reg = <1>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+
+ endpoint {
+ test-property-0;
+ };
+ };
+
+ port at 2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <2>;
+
+ graph2_link: endpoint at 0 {
+ reg = <0>;
+ test-property-1;
+ remote-endpoint = <&graph1_link>;
+ };
+
+ endpoint at 1 {
+ reg = <1>;
+ };
+ };
+ };
+ };
+
+ graph2 {
+ port {
+ graph1_link: endpoint {
+ remote-endpoint = <&graph2_link>;
+ };
+ };
+ };
};
#include "sandbox_pmic.dtsi"
diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c
index cc8b444ff9a..0f60c2a6281 100644
--- a/test/dm/ofnode.c
+++ b/test/dm/ofnode.c
@@ -23,6 +23,7 @@
#include <dm/device-internal.h>
#include <dm/lists.h>
#include <dm/of_extra.h>
+#include <dm/ofnode_graph.h>
#include <dm/root.h>
#include <dm/test.h>
#include <dm/uclass-internal.h>
@@ -1651,3 +1652,56 @@ static int dm_test_bool(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_bool, UTF_SCAN_FDT);
+
+/* test all helpers found in drivers/core/ofnode_graph.c */
+static int dm_test_ofnode_graph(struct unit_test_state *uts)
+{
+ /* 3 ports with 5 endpoints (2-1-2) */
+ ofnode graph1 = ofnode_path("/graph1");
+ /* 1 port with 1 endpoint */
+ ofnode graph2 = ofnode_path("/graph2");
+ ofnode node;
+ u32 id;
+
+ ut_asserteq(ofnode_graph_get_endpoint_count(graph1), 5);
+ ut_asserteq(ofnode_graph_get_endpoint_count(graph2), 1);
+
+ ut_asserteq(ofnode_graph_get_port_count(graph1), 3);
+ ut_asserteq(ofnode_graph_get_port_count(graph2), 1);
+
+ /* Request port with reg 2 */
+ node = ofnode_graph_get_port_by_id(graph1, 2);
+ ofnode_read_u32(node, "reg", &id);
+ ut_asserteq(id, 2);
+
+ /* Reqest parent from prev requested endpoint */
+ node = ofnode_graph_get_port_parent(node);
+ ut_asserteq_str(ofnode_get_name(node), "graph1");
+
+ /* Request endpoint under port 1 */
+ node = ofnode_graph_get_endpoint_by_regs(graph1, 1, -1);
+ ut_assert(ofnode_has_property(node, "test-property-0"));
+
+ /* Reqest remote endpoint from graph2 in graph1 */
+ node = ofnode_graph_get_endpoint_by_regs(graph2, -1, -1);
+ node = ofnode_graph_get_remote_endpoint(node);
+ ut_assert(ofnode_has_property(node, "test-property-1"));
+
+ /* Reqest remote parent from graph2 linked endpoint */
+ node = ofnode_graph_get_endpoint_by_regs(graph2, -1, -1);
+ node = ofnode_graph_get_remote_port_parent(node);
+ ut_asserteq_str(ofnode_get_name(node), "graph1");
+
+ /* Reqest remote port from graph2 linked endpoint */
+ node = ofnode_graph_get_endpoint_by_regs(graph2, -1, -1);
+ node = ofnode_graph_get_remote_port(node);
+ ofnode_read_u32(node, "reg", &id);
+ ut_asserteq(id, 2);
+
+ /* Reqest remote parent from graph2 linked endpoint */
+ node = ofnode_graph_get_remote_node(graph2, -1, -1);
+ ut_asserteq_str(ofnode_get_name(node), "graph1");
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_graph, UTF_SCAN_FDT);
--
2.43.0
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