cmd: pinmux: support pin name in status command

Allow pin name parameter for pimux staus command,
as gpio command to get status of one pin.

The possible usage of the command is:

> pinmux dev pinctrl
> pinmux status

> pinmux status -a

> pinmux status <pin-name>

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

2 files changed, 37 insertions, 0 deletions

diff --git a/test/cmd/Makefile b/test/cmd/Makefile
index 2cfe43a6bd..a59adb1e6d 100644
--- a/test/cmd/Makefile
+++ b/test/cmd/Makefile
@@ -8,5 +8,6 @@ endif
 obj-y += mem.o
 obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o
 obj-$(CONFIG_CMD_MEM_SEARCH) += mem_search.o
+obj-$(CONFIG_CMD_PINMUX) += pinmux.o
 obj-$(CONFIG_CMD_PWM) += pwm.o
 obj-$(CONFIG_CMD_SETEXPR) += setexpr.o
diff --git a/test/cmd/pinmux.c b/test/cmd/pinmux.c
new file mode 100644
index 0000000000..8ae807b537
--- /dev/null
+++ b/test/cmd/pinmux.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Executes tests for pinmux command
+ *
+ * Copyright (C) 2021, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <command.h>
+#include <dm/test.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+static int dm_test_cmd_pinmux_status_pinname(struct unit_test_state *uts)
+{
+	/* Test that 'pinmux status <pinname>' displays the selected pin. */
+	console_record_reset();
+	run_command("pinmux status a5", 0);
+	ut_assert_nextline("a5        : gpio input .                            ");
+	ut_assert_console_end();
+
+	console_record_reset();
+	run_command("pinmux status P7", 0);
+	ut_assert_nextline("P7        : GPIO2 bias-pull-down input-enable.      ");
+	ut_assert_console_end();
+
+	console_record_reset();
+	run_command("pinmux status P9", 0);
+	ut_assert_nextline("single-pinctrl pinctrl-single-no-width: missing register width");
+	ut_assert_nextline("P9 not found");
+	ut_assert_console_end();
+
+	return 0;
+}
+
+DM_TEST(dm_test_cmd_pinmux_status_pinname, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);