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@@ -0,0 +1,145 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/*
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+ * Copyright (c) 2019 Sartura Ltd.
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+ *
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+ * Author: Robert Marko <robert.marko@sartura.hr>
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+ *
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+ * Based on Linux driver
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+ */
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+
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+#include <clk.h>
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+#include <common.h>
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+#include <dm.h>
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+#include <generic-phy.h>
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+#include <log.h>
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+#include <reset.h>
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+#include <asm/io.h>
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+#include <linux/delay.h>
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+
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+struct ipq4019_usb_phy {
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+ phys_addr_t base;
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+ struct reset_ctl por_rst;
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+ struct reset_ctl srif_rst;
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+};
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+
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+static int ipq4019_ss_phy_power_off(struct phy *_phy)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev);
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+
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+ reset_assert(&phy->por_rst);
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+ mdelay(10);
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+
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+ return 0;
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+}
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+
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+static int ipq4019_ss_phy_power_on(struct phy *_phy)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev);
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+
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+ ipq4019_ss_phy_power_off(_phy);
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+
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+ reset_deassert(&phy->por_rst);
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+
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+ return 0;
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+}
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+
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+static struct phy_ops ipq4019_usb_ss_phy_ops = {
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+ .power_on = ipq4019_ss_phy_power_on,
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+ .power_off = ipq4019_ss_phy_power_off,
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+};
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+
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+static int ipq4019_usb_ss_phy_probe(struct udevice *dev)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(dev);
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+ int ret;
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+
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+ phy->base = dev_read_addr(dev);
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+ if (phy->base == FDT_ADDR_T_NONE)
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+ return -EINVAL;
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+
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+ ret = reset_get_by_name(dev, "por_rst", &phy->por_rst);
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+ if (ret)
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+ return ret;
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+
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+ return 0;
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+}
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+
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+static const struct udevice_id ipq4019_usb_ss_phy_ids[] = {
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+ { .compatible = "qcom,usb-ss-ipq4019-phy" },
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+ { }
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+};
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+
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+U_BOOT_DRIVER(ipq4019_usb_ss_phy) = {
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+ .name = "ipq4019-usb-ss-phy",
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+ .id = UCLASS_PHY,
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+ .of_match = ipq4019_usb_ss_phy_ids,
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+ .ops = &ipq4019_usb_ss_phy_ops,
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+ .probe = ipq4019_usb_ss_phy_probe,
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+ .priv_auto_alloc_size = sizeof(struct ipq4019_usb_phy),
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+};
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+
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+static int ipq4019_hs_phy_power_off(struct phy *_phy)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev);
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+
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+ reset_assert(&phy->por_rst);
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+ mdelay(10);
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+
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+ reset_assert(&phy->srif_rst);
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+ mdelay(10);
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+
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+ return 0;
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+}
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+
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+static int ipq4019_hs_phy_power_on(struct phy *_phy)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev);
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+
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+ ipq4019_hs_phy_power_off(_phy);
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+
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+ reset_deassert(&phy->srif_rst);
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+ mdelay(10);
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+
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+ reset_deassert(&phy->por_rst);
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+
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+ return 0;
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+}
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+
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+static struct phy_ops ipq4019_usb_hs_phy_ops = {
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+ .power_on = ipq4019_hs_phy_power_on,
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+ .power_off = ipq4019_hs_phy_power_off,
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+};
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+
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+static int ipq4019_usb_hs_phy_probe(struct udevice *dev)
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+{
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+ struct ipq4019_usb_phy *phy = dev_get_priv(dev);
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+ int ret;
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+
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+ phy->base = dev_read_addr(dev);
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+ if (phy->base == FDT_ADDR_T_NONE)
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+ return -EINVAL;
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+
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+ ret = reset_get_by_name(dev, "por_rst", &phy->por_rst);
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+ if (ret)
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+ return ret;
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+
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+ ret = reset_get_by_name(dev, "srif_rst", &phy->srif_rst);
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+ if (ret)
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+ return ret;
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+
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+ return 0;
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+}
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+
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+static const struct udevice_id ipq4019_usb_hs_phy_ids[] = {
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+ { .compatible = "qcom,usb-hs-ipq4019-phy" },
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+ { }
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+};
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+
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+U_BOOT_DRIVER(ipq4019_usb_hs_phy) = {
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+ .name = "ipq4019-usb-hs-phy",
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+ .id = UCLASS_PHY,
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+ .of_match = ipq4019_usb_hs_phy_ids,
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+ .ops = &ipq4019_usb_hs_phy_ops,
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+ .probe = ipq4019_usb_hs_phy_probe,
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+ .priv_auto_alloc_size = sizeof(struct ipq4019_usb_phy),
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+};
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