--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
+#include <net/dsa.h>
+
+#include "mt7530.h"
+
+static const struct of_device_id mt7988_of_match[] = {
+ { .compatible = "mediatek,mt7988-switch", .data = &mt753x_table[ID_MT7988], },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, mt7988_of_match);
+
+static int
+mt7988_probe(struct platform_device *pdev)
+{
+ static struct regmap_config *sw_regmap_config;
+ struct mt7530_priv *priv;
+ void __iomem *base_addr;
+ int ret;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->bus = NULL;
+ priv->dev = &pdev->dev;
+
+ ret = mt7530_probe_common(priv);
+ if (ret)
+ return ret;
+
+ priv->rstc = devm_reset_control_get(&pdev->dev, NULL);
+ if (IS_ERR(priv->rstc)) {
+ dev_err(&pdev->dev, "Couldn't get our reset line\n");
+ return PTR_ERR(priv->rstc);
+ }
+
+ base_addr = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base_addr)) {
+ dev_err(&pdev->dev, "cannot request I/O memory space\n");
+ return -ENXIO;
+ }
+
+ sw_regmap_config = devm_kzalloc(&pdev->dev, sizeof(*sw_regmap_config), GFP_KERNEL);
+ if (!sw_regmap_config)
+ return -ENOMEM;
+
+ sw_regmap_config->name = "switch";
+ sw_regmap_config->reg_bits = 16;
+ sw_regmap_config->val_bits = 32;
+ sw_regmap_config->reg_stride = 4;
+ sw_regmap_config->max_register = MT7530_CREV;
+ priv->regmap = devm_regmap_init_mmio(&pdev->dev, base_addr, sw_regmap_config);
+ if (IS_ERR(priv->regmap))
+ return PTR_ERR(priv->regmap);
+
+ return dsa_register_switch(priv->ds);
+}
+
+static int
+mt7988_remove(struct platform_device *pdev)
+{
+ struct mt7530_priv *priv = platform_get_drvdata(pdev);
+
+ if (priv)
+ mt7530_remove_common(priv);
+
+ return 0;
+}
+
+static void mt7988_shutdown(struct platform_device *pdev)
+{
+ struct mt7530_priv *priv = platform_get_drvdata(pdev);
+
+ if (!priv)
+ return;
+
+ dsa_switch_shutdown(priv->ds);
+
+ dev_set_drvdata(&pdev->dev, NULL);
+}
+
+static struct platform_driver mt7988_platform_driver = {
+ .probe = mt7988_probe,
+ .remove = mt7988_remove,
+ .shutdown = mt7988_shutdown,
+ .driver = {
+ .name = "mt7530-mmio",
+ .of_match_table = mt7988_of_match,
+ },
+};
+module_platform_driver(mt7988_platform_driver);
+
+MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>");
+MODULE_DESCRIPTION("Driver for Mediatek MT7530 Switch (MMIO)");
+MODULE_LICENSE("GPL");
.xlate = irq_domain_xlate_onecell,
};
+static void
+mt7988_irq_mask(struct irq_data *d)
+{
+ struct mt7530_priv *priv = irq_data_get_irq_chip_data(d);
+
+ priv->irq_enable &= ~BIT(d->hwirq);
+ mt7530_mii_write(priv, MT7530_SYS_INT_EN, priv->irq_enable);
+}
+
+static void
+mt7988_irq_unmask(struct irq_data *d)
+{
+ struct mt7530_priv *priv = irq_data_get_irq_chip_data(d);
+
+ priv->irq_enable |= BIT(d->hwirq);
+ mt7530_mii_write(priv, MT7530_SYS_INT_EN, priv->irq_enable);
+}
+
+static struct irq_chip mt7988_irq_chip = {
+ .name = KBUILD_MODNAME,
+ .irq_mask = mt7988_irq_mask,
+ .irq_unmask = mt7988_irq_unmask,
+};
+
+static int
+mt7988_irq_map(struct irq_domain *domain, unsigned int irq,
+ irq_hw_number_t hwirq)
+{
+ irq_set_chip_data(irq, domain->host_data);
+ irq_set_chip_and_handler(irq, &mt7988_irq_chip, handle_simple_irq);
+ irq_set_nested_thread(irq, true);
+ irq_set_noprobe(irq);
+
+ return 0;
+}
+
+static const struct irq_domain_ops mt7988_irq_domain_ops = {
+ .map = mt7988_irq_map,
+ .xlate = irq_domain_xlate_onecell,
+};
+
static void
mt7530_setup_mdio_irq(struct mt7530_priv *priv)
{
return priv->irq ? : -EINVAL;
}
- priv->irq_domain = irq_domain_add_linear(np, MT7530_NUM_PHYS,
- &mt7530_irq_domain_ops, priv);
+ if (priv->id == ID_MT7988)
+ priv->irq_domain = irq_domain_add_linear(np, MT7530_NUM_PHYS,
+ &mt7988_irq_domain_ops,
+ priv);
+ else
+ priv->irq_domain = irq_domain_add_linear(np, MT7530_NUM_PHYS,
+ &mt7530_irq_domain_ops,
+ priv);
+
if (!priv->irq_domain) {
dev_err(dev, "failed to create IRQ domain\n");
return -ENOMEM;
}
}
+static void mt7988_mac_port_get_caps(struct dsa_switch *ds, int port,
+ struct phylink_config *config)
+{
+ phy_interface_zero(config->supported_interfaces);
+
+ switch (port) {
+ case 0 ... 4: /* Internal phy */
+ __set_bit(PHY_INTERFACE_MODE_INTERNAL,
+ config->supported_interfaces);
+ break;
+
+ case 6:
+ __set_bit(PHY_INTERFACE_MODE_INTERNAL,
+ config->supported_interfaces);
+ config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10000FD;
+ }
+}
+
static int
mt753x_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
{
return (port == 5 || port == 6);
}
+static int
+mt7988_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
+ phy_interface_t interface)
+{
+ if (dsa_is_cpu_port(ds, port) &&
+ interface == PHY_INTERFACE_MODE_INTERNAL)
+ return 0;
+
+ return -EINVAL;
+}
+
static int
mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
phy_interface_t interface)
switch (port) {
case 0 ... 4: /* Internal phy */
- if (state->interface != PHY_INTERFACE_MODE_GMII)
+ if (state->interface != PHY_INTERFACE_MODE_GMII &&
+ state->interface != PHY_INTERFACE_MODE_INTERNAL)
goto unsupported;
break;
case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
/* MT753x MAC works in 1G full duplex mode for all up-clocked
* variants.
*/
- if (interface == PHY_INTERFACE_MODE_TRGMII ||
+ if (interface == PHY_INTERFACE_MODE_INTERNAL ||
+ interface == PHY_INTERFACE_MODE_TRGMII ||
(phy_interface_mode_is_8023z(interface))) {
speed = SPEED_1000;
duplex = DUPLEX_FULL;
return 0;
}
+static int
+mt7988_cpu_port_config(struct dsa_switch *ds, int port)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ mt7530_write(priv, MT7530_PMCR_P(port),
+ PMCR_CPU_PORT_SETTING(priv->id));
+
+ mt753x_phylink_mac_link_up(ds, port, MLO_AN_FIXED,
+ PHY_INTERFACE_MODE_INTERNAL, NULL,
+ SPEED_10000, DUPLEX_FULL, true, true);
+
+ return 0;
+}
+
static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port,
struct phylink_config *config)
{
return 0;
}
+static int mt7988_pad_setup(struct dsa_switch *ds, phy_interface_t interface)
+{
+ return 0;
+}
+
+static int mt7988_setup(struct dsa_switch *ds)
+{
+ struct mt7530_priv *priv = ds->priv;
+
+ /* Reset the switch */
+ reset_control_assert(priv->rstc);
+ usleep_range(20, 50);
+ reset_control_deassert(priv->rstc);
+ usleep_range(20, 50);
+
+ /* Reset the switch PHYs */
+ mt7530_write(priv, MT7530_SYS_CTRL, SYS_CTRL_PHY_RST);
+
+ return mt7531_setup_common(ds);
+}
+
const struct dsa_switch_ops mt7530_switch_ops = {
.get_tag_protocol = mtk_get_tag_protocol,
.setup = mt753x_setup,
.mac_port_get_caps = mt7531_mac_port_get_caps,
.mac_port_config = mt7531_mac_config,
},
+ [ID_MT7988] = {
+ .id = ID_MT7988,
+ .pcs_ops = &mt7530_pcs_ops,
+ .sw_setup = mt7988_setup,
+ .phy_read_c22 = mt7531_ind_c22_phy_read,
+ .phy_write_c22 = mt7531_ind_c22_phy_write,
+ .phy_read_c45 = mt7531_ind_c45_phy_read,
+ .phy_write_c45 = mt7531_ind_c45_phy_write,
+ .pad_setup = mt7988_pad_setup,
+ .cpu_port_config = mt7988_cpu_port_config,
+ .mac_port_get_caps = mt7988_mac_port_get_caps,
+ .mac_port_config = mt7988_mac_config,
+ },
};
EXPORT_SYMBOL_GPL(mt753x_table);
projects / users / hch / xfs.git / commitdiff