--- /dev/null
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <generic-phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct sandbox_phy_priv {
+ bool initialized;
+ bool on;
+ bool broken;
+};
+
+static int sandbox_phy_power_on(struct phy *phy)
+{
+ struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
+
+ if (!priv->initialized)
+ return -EIO;
+
+ if (priv->broken)
+ return -EIO;
+
+ priv->on = true;
+
+ return 0;
+}
+
+static int sandbox_phy_power_off(struct phy *phy)
+{
+ struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
+
+ if (!priv->initialized)
+ return -EIO;
+
+ if (priv->broken)
+ return -EIO;
+
+ /*
+ * for validation purpose, let's says that power off
+ * works only for PHY 0
+ */
+ if (phy->id)
+ return -EIO;
+
+ priv->on = false;
+
+ return 0;
+}
+
+static int sandbox_phy_init(struct phy *phy)
+{
+ struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
+
+ priv->initialized = true;
+ priv->on = true;
+
+ return 0;
+}
+
+static int sandbox_phy_exit(struct phy *phy)
+{
+ struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
+
+ priv->initialized = false;
+ priv->on = false;
+
+ return 0;
+}
+
+static int sandbox_phy_probe(struct udevice *dev)
+{
+ struct sandbox_phy_priv *priv = dev_get_priv(dev);
+
+ priv->initialized = false;
+ priv->on = false;
+ priv->broken = fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
+ "broken");
+
+ return 0;
+}
+
+static struct phy_ops sandbox_phy_ops = {
+ .power_on = sandbox_phy_power_on,
+ .power_off = sandbox_phy_power_off,
+ .init = sandbox_phy_init,
+ .exit = sandbox_phy_exit,
+};
+
+static const struct udevice_id sandbox_phy_ids[] = {
+ { .compatible = "sandbox,phy" },
+ { }
+};
+
+U_BOOT_DRIVER(phy_sandbox) = {
+ .name = "phy_sandbox",
+ .id = UCLASS_PHY,
+ .of_match = sandbox_phy_ids,
+ .ops = &sandbox_phy_ops,
+ .probe = sandbox_phy_probe,
+ .priv_auto_alloc_size = sizeof(struct sandbox_phy_priv),
+};
--- /dev/null
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <generic-phy.h>
+#include <dm/test.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Base test of the phy uclass */
+static int dm_test_phy_base(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct phy phy1_method1;
+ struct phy phy1_method2;
+ struct phy phy2;
+ struct phy phy3;
+ struct udevice *parent;
+
+ /* Get the device using the phy device*/
+ ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
+ "gen_phy_user", &parent));
+ /*
+ * Get the same phy port in 2 different ways and compare.
+ */
+ ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1_method1))
+ ut_assertok(generic_phy_get_by_index(parent, 0, &phy1_method2))
+ ut_asserteq(phy1_method1.id, phy1_method2.id);
+
+ /*
+ * Get the second phy port. Check that the same phy provider (device)
+ * provides this 2nd phy port, but that the IDs are different
+ */
+ ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2))
+ ut_asserteq_ptr(phy1_method2.dev, phy2.dev);
+ ut_assert(phy1_method1.id != phy2.id);
+
+ /*
+ * Get the third phy port. Check that the phy provider is different
+ */
+ ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3))
+ ut_assert(phy2.dev != phy3.dev);
+
+ /* Try to get a non-existing phy */
+ ut_asserteq(-ENODEV, uclass_get_device(UCLASS_PHY, 3, &dev));
+ ut_assert(generic_phy_get_by_name(parent, "phy_not_existing",
+ &phy1_method1) < 0)
+
+ return 0;
+}
+DM_TEST(dm_test_phy_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test of the phy uclass using the sandbox phy driver operations */
+static int dm_test_phy_ops(struct unit_test_state *uts)
+{
+ struct phy phy1;
+ struct phy phy2;
+ struct phy phy3;
+ struct udevice *parent;
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
+ "gen_phy_user", &parent));
+
+ ut_assertok(generic_phy_get_by_name(parent, "phy1", &phy1));
+ ut_assertok(generic_phy_get_by_name(parent, "phy2", &phy2));
+ ut_assertok(generic_phy_get_by_name(parent, "phy3", &phy3));
+
+ /* test normal operations */
+ ut_assertok(generic_phy_init(&phy1));
+ ut_assertok(generic_phy_power_on(&phy1));
+ ut_assertok(generic_phy_power_off(&phy1));
+
+ /*
+ * test operations after exit().
+ * The sandbox phy driver does not allow it.
+ */
+ ut_assertok(generic_phy_exit(&phy1));
+ ut_assert(generic_phy_power_on(&phy1) != 0);
+ ut_assert(generic_phy_power_off(&phy1) != 0);
+
+ /*
+ * test normal operations again (after re-init)
+ */
+ ut_assertok(generic_phy_init(&phy1));
+ ut_assertok(generic_phy_power_on(&phy1));
+ ut_assertok(generic_phy_power_off(&phy1));
+
+ /*
+ * test calling unimplemented feature.
+ * The call is expected to succeed
+ */
+ ut_assertok(generic_phy_reset(&phy1));
+
+ /* PHY2 has a known problem with power off */
+ ut_assertok(generic_phy_init(&phy2));
+ ut_assertok(generic_phy_power_on(&phy2));
+ ut_assert(generic_phy_power_off(&phy2) == -EIO);
+
+ /* PHY3 has a known problem with power off and power on*/
+ ut_assertok(generic_phy_init(&phy3));
+ ut_assert(generic_phy_power_off(&phy3) == -EIO);
+ ut_assert(generic_phy_power_off(&phy3) == -EIO);
+
+ return 0;
+}
+DM_TEST(dm_test_phy_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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