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test: dm: add ofnode_graph tests

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Test suit for of_graph parsing helpers.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel 2025-02-16 13:14:40 +02:00
parent 9057077cf4
commit 617f9e2470
2 changed files with 109 additions and 0 deletions
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55
arch/sandbox/dts/test.dts
View file

@ -2048,6 +2048,61 @@
sandbox,err-step-size = <512>;
};
};
graph1 {
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
endpoint@0 {
reg = <0>;
};
endpoint@1 {
reg = <1>;
};
};
port@1 {
reg = <1>;
endpoint {
test-property-0;
};
};
port@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
graph2_link: endpoint@0 {
reg = <0>;
test-property-1;
remote-endpoint = <&graph1_link>;
};
endpoint@1 {
reg = <1>;
};
};
};
};
graph2 {
port {
graph1_link: endpoint {
remote-endpoint = <&graph2_link>;
};
};
};
};
#include "sandbox_pmic.dtsi"

54
test/dm/ofnode.c
View file

@ -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);