@@ -9,6 +9,7 @@ mv88e6xxx-objs += global2.o
mv88e6xxx-objs += global2_avb.o
mv88e6xxx-objs += global2_scratch.o
mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_PTP) += hwtstamp.o
+mv88e6xxx-objs += leds.o
mv88e6xxx-objs += pcs-6185.o
mv88e6xxx-objs += pcs-6352.o
mv88e6xxx-objs += pcs-639x.o
@@ -27,6 +27,7 @@
#include <linux/of_irq.h>
#include <linux/of_mdio.h>
#include <linux/platform_data/mv88e6xxx.h>
+#include <linux/property.h>
#include <linux/netdevice.h>
#include <linux/gpio/consumer.h>
#include <linux/phylink.h>
@@ -3153,14 +3154,44 @@ static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
{
struct device_node *phy_handle = NULL;
+ struct fwnode_handle *ports_fwnode;
+ struct fwnode_handle *port_fwnode;
struct dsa_switch *ds = chip->ds;
+ struct mv88e6xxx_port *p;
struct dsa_port *dp;
int tx_amp;
int err;
u16 reg;
+ u32 val;
+
+ p = &chip->ports[port];
+ p->chip = chip;
+ p->port = port;
+
+ /* Look up corresponding fwnode if any */
+ ports_fwnode = device_get_named_child_node(chip->dev, "ethernet-ports");
+ if (!ports_fwnode)
+ ports_fwnode = device_get_named_child_node(chip->dev, "ports");
+ if (ports_fwnode) {
+ fwnode_for_each_child_node(ports_fwnode, port_fwnode) {
+ if (fwnode_property_read_u32(port_fwnode, "reg", &val))
+ continue;
+ if (val == port) {
+ p->fwnode = port_fwnode;
+ p->fiber = fwnode_property_present(port_fwnode, "sfp");
+ break;
+ }
+ }
+ } else {
+ dev_info(chip->dev,
+ "no ethernet ports node defined for the device\n");
+ }
- chip->ports[port].chip = chip;
- chip->ports[port].port = port;
+ if (chip->info->ops->port_setup_leds) {
+ err = chip->info->ops->port_setup_leds(chip, port);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+ }
err = mv88e6xxx_port_setup_mac(chip, port, LINK_UNFORCED,
SPEED_UNFORCED, DUPLEX_UNFORCED,
@@ -5148,6 +5179,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.port_get_cmode = mv88e6352_port_get_cmode,
+ .port_setup_leds = mv88e6xxx_port_setup_leds,
.port_setup_message_port = mv88e6xxx_setup_message_port,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_set_histogram = mv88e6095_g1_stats_set_histogram,
@@ -13,7 +13,9 @@
#include <linux/irq.h>
#include <linux/gpio/consumer.h>
#include <linux/kthread.h>
+#include <linux/leds.h>
#include <linux/phy.h>
+#include <linux/property.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/timecounter.h>
#include <net/dsa.h>
@@ -275,6 +277,7 @@ struct mv88e6xxx_vlan {
struct mv88e6xxx_port {
struct mv88e6xxx_chip *chip;
int port;
+ struct fwnode_handle *fwnode;
struct mv88e6xxx_vlan bridge_pvid;
u64 serdes_stats[2];
u64 atu_member_violation;
@@ -289,6 +292,12 @@ struct mv88e6xxx_port {
struct devlink_region *region;
void *pcs_private;
+ /* LED related information */
+ bool fiber;
+ struct led_classdev led0;
+ struct led_classdev led1;
+ u16 ledreg;
+
/* MacAuth Bypass control flag */
bool mab;
};
@@ -555,6 +564,9 @@ struct mv88e6xxx_ops {
phy_interface_t mode);
int (*port_get_cmode)(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
+ /* LED control */
+ int (*port_setup_leds)(struct mv88e6xxx_chip *chip, int port);
+
/* Some devices have a per port register indicating what is
* the upstream port this port should forward to.
*/
new file mode 100644
@@ -0,0 +1,741 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/bitfield.h>
+#include <linux/leds.h>
+#include <linux/property.h>
+
+#include "chip.h"
+#include "global2.h"
+#include "port.h"
+
+/* Offset 0x16: LED control */
+
+static int mv88e6xxx_led_brightness_set(struct mv88e6xxx_port *p, int led,
+ int brightness)
+{
+ u16 reg;
+
+ reg = p->ledreg;
+
+ if (led == 1)
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED1_SEL_MASK;
+ else
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED0_SEL_MASK;
+
+ if (brightness) {
+ /* Selector 0x0f == Force LED ON */
+ if (led == 1)
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED1_SELF;
+ else
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED0_SELF;
+ } else {
+ /* Selector 0x0e == Force LED OFF */
+ if (led == 1)
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED1_SELE;
+ else
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED0_SELE;
+ }
+
+ p->ledreg = reg;
+
+ reg |= MV88E6XXX_PORT_LED_CONTROL_UPDATE;
+ reg |= MV88E6XXX_PORT_LED_CONTROL_POINTER_LED01_CTRL;
+
+ return mv88e6xxx_port_write(p->chip, p->port, MV88E6XXX_PORT_LED_CONTROL, reg);
+}
+
+static int mv88e6xxx_led0_brightness_set_blocking(struct led_classdev *ldev,
+ enum led_brightness brightness)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_brightness_set(p, 0, brightness);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+static int mv88e6xxx_led1_brightness_set_blocking(struct led_classdev *ldev,
+ enum led_brightness brightness)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_brightness_set(p, 1, brightness);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+struct mv88e6xxx_led_hwconfig {
+ int led;
+ u8 portmask;
+ unsigned long rules;
+ bool fiber;
+ bool blink_activity;
+ u16 selector;
+};
+
+/* The following is a lookup table to check what rules we can support on a
+ * certain LED given restrictions such as that some rules only work with fiber
+ * (SFP) connections and some blink on activity by default.
+ */
+#define MV88E6XXX_PORTS_0_3 (BIT(0)|BIT(1)|BIT(2)|BIT(3))
+#define MV88E6XXX_PORTS_4_5 (BIT(4)|BIT(5))
+#define MV88E6XXX_PORT_4 BIT(4)
+#define MV88E6XXX_PORT_5 BIT(5)
+
+/* Entries are listed in selector order */
+static const struct mv88e6xxx_led_hwconfig mv88e6xxx_led_hwconfigs[] = {
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORT_4,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL0,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORT_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL0,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL1,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10)|BIT(TRIGGER_NETDEV_LINK_100),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL1,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_4_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100),
+ .blink_activity = true,
+ .fiber = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL1,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_4_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .fiber = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL1,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL2,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10)|BIT(TRIGGER_NETDEV_LINK_100),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL2,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_4_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .fiber = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL2,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_4_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100),
+ .blink_activity = true,
+ .fiber = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL2,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL3,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_1000),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL3,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_4_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .fiber = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL3,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORT_4,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL4,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORT_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL5,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_FULL_DUPLEX),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL6,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL6,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORT_4,
+ .rules = BIT(TRIGGER_NETDEV_FULL_DUPLEX),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL6,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORT_5,
+ .rules = BIT(TRIGGER_NETDEV_FULL_DUPLEX),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL6,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL7,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL7,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL8,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL8,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORT_5,
+ .rules = BIT(TRIGGER_NETDEV_LINK),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL8,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SEL9,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SEL9,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_10),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SELA,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SELA,
+ },
+ {
+ .led = 0,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED0_SELB,
+ },
+ {
+ .led = 1,
+ .portmask = MV88E6XXX_PORTS_0_3,
+ .rules = BIT(TRIGGER_NETDEV_LINK_100)|BIT(TRIGGER_NETDEV_LINK_1000),
+ .blink_activity = true,
+ .selector = MV88E6XXX_PORT_LED_CONTROL_LED1_SELB,
+ },
+};
+
+/* mv88e6xxx_led_match_selector() - look up the appropriate LED mode selector
+ * @p: port state container
+ * @led: LED number, 0 or 1
+ * @blink_activity: blink the LED (usually blink on indicated activity)
+ * @fiber: the link is connected to fiber such as SFP
+ * @rules: LED status flags from the LED classdev core
+ * @selector: fill in the selector in this parameter with an OR operation
+ */
+static int mv88e6xxx_led_match_selector(struct mv88e6xxx_port *p, int led, bool blink_activity,
+ bool fiber, unsigned long rules, u16 *selector)
+{
+ const struct mv88e6xxx_led_hwconfig *conf;
+ int i;
+
+ /* No rules means we turn the LED off */
+ if (!rules) {
+ if (led == 1)
+ *selector |= MV88E6XXX_PORT_LED_CONTROL_LED1_SELE;
+ else
+ *selector |= MV88E6XXX_PORT_LED_CONTROL_LED0_SELE;
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(mv88e6xxx_led_hwconfigs); i++) {
+ conf = &mv88e6xxx_led_hwconfigs[i];
+
+ if (conf->led != led)
+ continue;
+
+ if (!(conf->portmask & BIT(p->port)))
+ continue;
+
+ if (conf->blink_activity != blink_activity)
+ continue;
+
+ if (conf->fiber != fiber)
+ continue;
+
+ if (conf->rules == rules) {
+ *selector |= conf->selector;
+ return 0;
+ }
+ }
+
+ return -EOPNOTSUPP;
+}
+
+/* mv88e6xxx_led_get_selector() - get the appropriate LED mode selector
+ * @p: port state container
+ * @led: LED number, 0 or 1
+ * @fiber: the link is connected to fiber such as SFP
+ * @rules: LED status flags from the LED classdev core
+ * @selector: fill in the selector in this parameter with an OR operation
+ */
+static int mv88e6xxx_led_get_selector(struct mv88e6xxx_port *p, int led,
+ bool fiber, unsigned long rules, u16 *selector)
+{
+ int err;
+
+ /* What happens here is that we first try to locate a trigger with solid
+ * indicator (such as LED is on for a 1000 link) else we try a second
+ * sweep to find something suitable with a trigger that will blink on
+ * activity.
+ */
+ err = mv88e6xxx_led_match_selector(p, led, false, fiber, rules, selector);
+ if (err)
+ return mv88e6xxx_led_match_selector(p, led, true, fiber, rules, selector);
+
+ return 0;
+}
+
+/* Sets up the hardware blinking period */
+static int mv88e6xxx_led_set_blinking_period(struct mv88e6xxx_port *p, int led,
+ unsigned long *delay_on, unsigned long *delay_off)
+{
+ unsigned long period;
+ u16 reg;
+
+ period = *delay_on + *delay_off;
+
+ reg = 0;
+
+ switch (period) {
+ case 21:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_21MS;
+ break;
+ case 42:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_42MS;
+ break;
+ case 84:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_84MS;
+ break;
+ case 168:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_168MS;
+ break;
+ case 336:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_336MS;
+ break;
+ case 672:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_672MS;
+ break;
+ default:
+ /* Fall back to software blinking */
+ return -EINVAL;
+ }
+
+ /* This is essentially PWM duty cycle: how long time of the period
+ * will the LED be on. Zero isn't great in most cases.
+ */
+ switch (*delay_on) {
+ case 0:
+ /* This is usually pretty useless and will make the LED look OFF */
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_NONE;
+ break;
+ case 21:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_21MS;
+ break;
+ case 42:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_42MS;
+ break;
+ case 84:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_84MS;
+ break;
+ case 168:
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_168MS;
+ break;
+ default:
+ /* Just use something non-zero */
+ reg |= MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_21MS;
+ *delay_on = 21;
+ break;
+ }
+
+ reg |= MV88E6XXX_PORT_LED_CONTROL_UPDATE;
+ /* Set up blink rate */
+ reg |= MV88E6XXX_PORT_LED_CONTROL_POINTER_STRETCH_BLINK;
+
+ return mv88e6xxx_port_write(p->chip, p->port, MV88E6XXX_PORT_LED_CONTROL, reg);
+}
+
+static int mv88e6xxx_led_blink_set(struct mv88e6xxx_port *p, int led,
+ unsigned long *delay_on, unsigned long *delay_off)
+{
+ u16 reg;
+ int err;
+
+ /* Choose a sensible default 336 ms (~3 Hz) */
+ if ((*delay_on == 0) && (*delay_off == 0)) {
+ *delay_on = 168;
+ *delay_off = 168;
+ }
+
+ /* No off delay is just on */
+ if (*delay_off == 0)
+ return mv88e6xxx_led_brightness_set(p, led, 1);
+
+ err = mv88e6xxx_led_set_blinking_period(p, led, delay_on, delay_off);
+ if (err)
+ return err;
+
+ reg = p->ledreg;
+
+ if (led == 1)
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED1_SEL_MASK;
+ else
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED0_SEL_MASK;
+
+ /* This will select the forced blinking status */
+ if (led == 1)
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED1_SELD;
+ else
+ reg |= MV88E6XXX_PORT_LED_CONTROL_LED0_SELD;
+
+ p->ledreg = reg;
+
+ reg |= MV88E6XXX_PORT_LED_CONTROL_UPDATE;
+ reg |= MV88E6XXX_PORT_LED_CONTROL_POINTER_LED01_CTRL;
+
+ return mv88e6xxx_port_write(p->chip, p->port, MV88E6XXX_PORT_LED_CONTROL, reg);
+}
+
+static int mv88e6xxx_led0_blink_set(struct led_classdev *ldev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_blink_set(p, 0, delay_on, delay_off);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+static int mv88e6xxx_led1_blink_set(struct led_classdev *ldev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_blink_set(p, 1, delay_on, delay_off);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+static int
+mv88e6xxx_led0_hw_control_is_supported(struct led_classdev *ldev, unsigned long rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+ u16 selector = 0;
+
+ return mv88e6xxx_led_get_selector(p, 0, p->fiber, rules, &selector);
+}
+
+static int
+mv88e6xxx_led1_hw_control_is_supported(struct led_classdev *ldev, unsigned long rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+ u16 selector = 0;
+
+ return mv88e6xxx_led_get_selector(p, 1, p->fiber, rules, &selector);
+}
+
+static int mv88e6xxx_led_hw_control_set(struct mv88e6xxx_port *p,
+ int led, unsigned long rules)
+{
+ u16 reg;
+ int err;
+
+ reg = p->ledreg;
+
+ if (led == 1)
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED1_SEL_MASK;
+ else
+ reg &= ~MV88E6XXX_PORT_LED_CONTROL_LED0_SEL_MASK;
+
+ err = mv88e6xxx_led_get_selector(p, led, p->fiber, rules, ®);
+ if (err)
+ return err;
+
+ p->ledreg = reg;
+
+ reg |= MV88E6XXX_PORT_LED_CONTROL_UPDATE;
+ reg |= MV88E6XXX_PORT_LED_CONTROL_POINTER_LED01_CTRL;
+
+ if (led == 0)
+ dev_dbg(p->chip->dev, "LED 0 hw control on port %d trigger selector 0x%02x\n",
+ p->port,
+ (unsigned int)(p->ledreg & MV88E6XXX_PORT_LED_CONTROL_LED0_SEL_MASK));
+ else
+ dev_dbg(p->chip->dev, "LED 1 hw control on port %d trigger selector 0x%02x\n",
+ p->port,
+ (unsigned int)(p->ledreg & MV88E6XXX_PORT_LED_CONTROL_LED1_SEL_MASK) >> 4);
+
+ err = mv88e6xxx_port_write(p->chip, p->port, MV88E6XXX_PORT_LED_CONTROL, reg);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int
+mv88e6xxx_led_hw_control_get(struct mv88e6xxx_port *p, int led, unsigned long *rules)
+{
+ /* The hardware register cannot be read: no inital state determined */
+ return -EINVAL;
+}
+
+static int
+mv88e6xxx_led0_hw_control_set(struct led_classdev *ldev, unsigned long rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_hw_control_set(p, 0, rules);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+static int
+mv88e6xxx_led1_hw_control_set(struct led_classdev *ldev, unsigned long rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+ int err;
+
+ mv88e6xxx_reg_lock(p->chip);
+ err = mv88e6xxx_led_hw_control_set(p, 1, rules);
+ mv88e6xxx_reg_unlock(p->chip);
+
+ return err;
+}
+
+static int
+mv88e6xxx_led0_hw_control_get(struct led_classdev *ldev, unsigned long *rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+
+ return mv88e6xxx_led_hw_control_get(p, 0, rules);
+}
+
+static int
+mv88e6xxx_led1_hw_control_get(struct led_classdev *ldev, unsigned long *rules)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+
+ return mv88e6xxx_led_hw_control_get(p, 1, rules);
+}
+
+static struct device *mv88e6xxx_led_hw_control_get_device(struct mv88e6xxx_port *p)
+{
+ struct dsa_port *dp;
+
+ dp = dsa_to_port(p->chip->ds, p->port);
+ if (!dp)
+ return NULL;
+ if (dp->user)
+ return &dp->user->dev;
+ return NULL;
+}
+
+static struct device *
+mv88e6xxx_led0_hw_control_get_device(struct led_classdev *ldev)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led0);
+
+ return mv88e6xxx_led_hw_control_get_device(p);
+}
+
+static struct device *
+mv88e6xxx_led1_hw_control_get_device(struct led_classdev *ldev)
+{
+ struct mv88e6xxx_port *p = container_of(ldev, struct mv88e6xxx_port, led1);
+
+ return mv88e6xxx_led_hw_control_get_device(p);
+}
+
+int mv88e6xxx_port_setup_leds(struct mv88e6xxx_chip *chip, int port)
+{
+ struct fwnode_handle *led = NULL, *leds = NULL;
+ struct led_init_data init_data = { };
+ unsigned long delay_off = 168;
+ unsigned long delay_on = 168;
+ enum led_default_state state;
+ struct mv88e6xxx_port *p;
+ struct led_classdev *l;
+ struct device *dev;
+ u32 led_num;
+ int ret;
+
+ /* LEDs are on ports 1,2,3,4, 5 and 6 (index 0..5), no more */
+ if (port > 5)
+ return -EOPNOTSUPP;
+
+ p = &chip->ports[port];
+ if (!p->fwnode)
+ return 0;
+ p->ledreg = 0;
+
+ dev = chip->dev;
+
+ leds = fwnode_get_named_child_node(p->fwnode, "leds");
+ if (!leds) {
+ dev_info(dev, "No Leds node specified in device tree for port %d!\n",
+ port);
+ return 0;
+ }
+
+ fwnode_for_each_child_node(leds, led) {
+ /* Reg represent the led number of the port, max 2
+ * LEDs can be connected to each port, in some designs
+ * only one LED is connected.
+ */
+ if (fwnode_property_read_u32(led, "reg", &led_num))
+ continue;
+ if (led_num > 1) {
+ dev_err(dev, "invalid LED specified port %d\n", port);
+ continue;
+ }
+
+ if (led_num == 0)
+ l = &p->led0;
+ else
+ l = &p->led1;
+
+ state = led_init_default_state_get(led);
+ switch (state) {
+ case LEDS_DEFSTATE_ON:
+ l->brightness = 1;
+ mv88e6xxx_led_brightness_set(p, led_num, 1);
+ break;
+ case LEDS_DEFSTATE_KEEP:
+ break;
+ default:
+ l->brightness = 0;
+ mv88e6xxx_led_brightness_set(p, led_num, 0);
+ }
+
+ /* Default blinking period for LEDs */
+ mv88e6xxx_led_set_blinking_period(p, led_num, &delay_on, &delay_off);
+
+ l->max_brightness = 1;
+ if (led_num == 0) {
+ l->brightness_set_blocking = mv88e6xxx_led0_brightness_set_blocking;
+ l->blink_set = mv88e6xxx_led0_blink_set;
+ l->hw_control_is_supported = mv88e6xxx_led0_hw_control_is_supported;
+ l->hw_control_set = mv88e6xxx_led0_hw_control_set;
+ l->hw_control_get = mv88e6xxx_led0_hw_control_get;
+ l->hw_control_get_device = mv88e6xxx_led0_hw_control_get_device;
+ } else {
+ l->brightness_set_blocking = mv88e6xxx_led1_brightness_set_blocking;
+ l->blink_set = mv88e6xxx_led1_blink_set;
+ l->hw_control_is_supported = mv88e6xxx_led1_hw_control_is_supported;
+ l->hw_control_set = mv88e6xxx_led1_hw_control_set;
+ l->hw_control_get = mv88e6xxx_led1_hw_control_get;
+ l->hw_control_get_device = mv88e6xxx_led1_hw_control_get_device;
+ }
+ l->hw_control_trigger = "netdev";
+
+ init_data.default_label = ":port";
+ init_data.fwnode = led;
+ init_data.devname_mandatory = true;
+ init_data.devicename = kasprintf(GFP_KERNEL, "%s:0%d:0%d", chip->info->name,
+ port, led_num);
+ if (!init_data.devicename)
+ return -ENOMEM;
+
+ ret = devm_led_classdev_register_ext(dev, l, &init_data);
+ if (ret)
+ dev_err(dev, "Failed to init LED %d for port %d", led_num, port);
+
+ kfree(init_data.devicename);
+ }
+
+ return 0;
+}
@@ -12,6 +12,7 @@
#include <linux/if_bridge.h>
#include <linux/phy.h>
#include <linux/phylink.h>
+#include <linux/property.h>
#include "chip.h"
#include "global2.h"
@@ -294,6 +294,130 @@
/* Offset 0x13: OutFiltered Counter */
#define MV88E6XXX_PORT_OUT_FILTERED 0x13
+/* Offset 0x16: LED Control */
+#define MV88E6XXX_PORT_LED_CONTROL 0x16
+#define MV88E6XXX_PORT_LED_CONTROL_UPDATE BIT(15)
+#define MV88E6XXX_PORT_LED_CONTROL_POINTER_MASK GENMASK(14, 12)
+#define MV88E6XXX_PORT_LED_CONTROL_POINTER_LED01_CTRL (0x00 << 12) /* Control for LED 0 and 1 */
+#define MV88E6XXX_PORT_LED_CONTROL_POINTER_STRETCH_BLINK (0x06 << 12) /* Stetch and Blink Rate */
+#define MV88E6XXX_PORT_LED_CONTROL_POINTER_CNTL_SPECIAL (0x07 << 12) /* Control for the Port's Special LED */
+#define MV88E6XXX_PORT_LED_CONTROL_DATA_MASK GENMASK(10, 0)
+/* Selection masks valid for either port 1,2,3,4 or 5 */
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL_MASK GENMASK(3, 0)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL_MASK GENMASK(7, 4)
+/* Selection control for LED 0 and 1, ports 5 and 6 only has LED 0
+ * Bits Function
+ * 0..3 LED 0 control selector on ports 1-5
+ * 4..7 LED 1 control selector on ports 1-4 on port 5 this controls LED 0 of port 6
+ *
+ * Sel Port LED Function
+ * 0 1-4 0 Link/Act/Speed by Blink Rate (off=no link, on=link, blink=activity, blink speed=link speed)
+ * 1-4 1 Port 2's Special LED
+ * 5-6 0 Port 5 Link/Act (off=no link, on=link, blink=activity)
+ * 5-6 1 Port 6 Link/Act (off=no link, on=link 1000, blink=activity)
+ * 1 1-4 0 100/1000 Link/Act (off=no link, on=100 or 1000 link, blink=activity)
+ * 1-4 1 10/100 Link Act (off=no link, on=10 or 100 link, blink=activity)
+ * 5-6 0 Fiber 100 Link/Act (off=no link, on=link 100, blink=activity)
+ * 5-6 1 Fiber 1000 Link/Act (off=no link, on=link 1000, blink=activity)
+ * 2 1-4 0 1000 Link/Act (off=no link, on=link 1000, blink=activity)
+ * 1-4 1 10/100 Link/Act (off=no link, on=10 or 100 link, blink=activity)
+ * 5-6 0 Fiber 1000 Link/Act (off=no link, on=link 1000, blink=activity)
+ * 5-6 1 Fiber 100 Link/Act (off=no link, on=link 100, blink=activity)
+ * 3 1-4 0 Link/Act (off=no link, on=link, blink=activity)
+ * 1-4 1 1000 Link (off=no link, on=1000 link)
+ * 5-6 0 Port 0's Special LED
+ * 5-6 1 Fiber Link (off=no link, on=link)
+ * 4 1-4 0 Port 0's Special LED
+ * 1-4 1 Port 1's Special LED
+ * 5-6 0 Port 1's Special LED
+ * 5-6 1 Port 5 Link/Act (off=no link, on=link, blink=activity)
+ * 5 1-4 0 Reserved
+ * 1-4 1 Reserved
+ * 5-6 0 Port 2's Special LED
+ * 5-6 1 Port 6 Link (off=no link, on=link)
+ * 6 1-4 0 Duplex/Collision (off=half-duplex,on=full-duplex,blink=collision)
+ * 1-4 1 10/1000 Link/Act (off=no link, on=10 or 1000 link, blink=activity)
+ * 5-6 0 Port 5 Duplex/Collision (off=half-duplex, on=full-duplex, blink=col)
+ * 5-6 1 Port 6 Duplex/Collision (off=half-duplex, on=full-duplex, blink=col)
+ * 7 1-4 0 10/1000 Link/Act (off=no link, on=10 or 1000 link, blink=activity)
+ * 1-4 1 10/1000 Link (off=no link, on=10 or 1000 link)
+ * 5-6 0 Port 5 Link/Act/Speed by Blink rate (off=no link, on=link, blink=activity, blink speed=link speed)
+ * 5-6 1 Port 6 Link/Act/Speed by Blink rate (off=no link, on=link, blink=activity, blink speed=link speed)
+ * 8 1-4 0 Link (off=no link, on=link)
+ * 1-4 1 Activity (off=no link, blink on=activity)
+ * 5-6 0 Port 6 Link/Act (off=no link, on=link, blink=activity)
+ * 5-6 1 Port 0's Special LED
+ * 9 1-4 0 10 Link (off=no link, on=10 link)
+ * 1-4 1 100 Link (off=no link, on=100 link)
+ * 5-6 0 Reserved
+ * 5-6 1 Port 1's Special LED
+ * a 1-4 0 10 Link/Act (off=no link, on=10 link, blink=activity)
+ * 1-4 1 100 Link/Act (off=no link, on=100 link, blink=activity)
+ * 5-6 0 Reserved
+ * 5-6 1 Port 2's Special LED
+ * b 1-4 0 100/1000 Link (off=no link, on=100 or 1000 link)
+ * 1-4 1 10/100 Link (off=no link, on=100 link, blink=activity)
+ * 5-6 0 Reserved
+ * 5-6 1 Reserved
+ * c * * PTP Act (blink on=PTP activity)
+ * d * * Force Blink
+ * e * * Force Off
+ * f * * Force On
+ */
+/* Select LED0 output */
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL0 0x0
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL1 0x1
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL2 0x2
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL3 0x3
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL4 0x4
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL5 0x5
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL6 0x6
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL7 0x7
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL8 0x8
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SEL9 0x9
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELA 0xa
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELB 0xb
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELC 0xc
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELD 0xd
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELE 0xe
+#define MV88E6XXX_PORT_LED_CONTROL_LED0_SELF 0xf
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL0 (0x0 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL1 (0x1 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL2 (0x2 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL3 (0x3 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL4 (0x4 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL5 (0x5 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL6 (0x6 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL7 (0x7 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL8 (0x8 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SEL9 (0x9 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELA (0xa << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELB (0xb << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELC (0xc << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELD (0xd << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELE (0xe << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_LED1_SELF (0xf << 4)
+/* Stretch and Blink Rate Control (Index 0x06 of LED Control) */
+/* Pulse Stretch Selection for all LED's on this port */
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_NONE (0 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_21MS (1 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_42MS (2 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_84MS (3 << 4)
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_PULSE_STRETCH_168MS (4 << 4)
+/* Blink Rate Selection for all LEDs on this port */
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_21MS 0
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_42MS 1
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_84MS 2
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_168MS 3
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_336MS 4
+#define MV88E6XXX_PORT_LED_CONTROL_0x06_BLINK_RATE_672MS 5
+ /* Control for Special LED (Index 0x7 of LED Control on Port0) */
+#define MV88E6XXX_PORT_LED_CONTROL_0x07_P0_LAN_LINKACT_SHIFT 0 /* bits 6:0 LAN Link Activity LED */
+/* Control for Special LED (Index 0x7 of LED Control on Port 1) */
+#define MV88E6XXX_PORT_LED_CONTROL_0x07_P1_WAN_LINKACT_SHIFT 0 /* bits 6:0 WAN Link Activity LED */
+/* Control for Special LED (Index 0x7 of LED Control on Port 2) */
+#define MV88E6XXX_PORT_LED_CONTROL_0x07_P2_PTP_ACT 0 /* bits 6:0 PTP Activity */
+
/* Offset 0x18: IEEE Priority Mapping Table */
#define MV88E6390_PORT_IEEE_PRIO_MAP_TABLE 0x18
#define MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE 0x8000
@@ -442,6 +566,7 @@ int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode);
int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
+int mv88e6xxx_port_setup_leds(struct mv88e6xxx_chip *chip, int port);
int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
bool drop_untagged);
int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port, bool map);