From ea9e86485decb2ac1750005bd96c166c9b780406 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Mon, 17 Apr 2023 17:17:31 +0200 Subject: [PATCH 9/9] net: phy: marvell: Implement led_blink_set() The Marvell PHY can blink the LEDs, simple on/off. All LEDs blink at the same rate, and the reset default is 84ms per blink, which is around 12Hz. Signed-off-by: Andrew Lunn Signed-off-by: Christian Marangi Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/net/phy/marvell.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -147,6 +147,8 @@ #define MII_88E1318S_PHY_LED_FUNC 0x10 #define MII_88E1318S_PHY_LED_FUNC_OFF (0x8) #define MII_88E1318S_PHY_LED_FUNC_ON (0x9) +#define MII_88E1318S_PHY_LED_FUNC_HI_Z (0xa) +#define MII_88E1318S_PHY_LED_FUNC_BLINK (0xb) #define MII_88E1318S_PHY_LED_TCR 0x12 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15) #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7) @@ -2823,6 +2825,35 @@ static int m88e1318_led_brightness_set(s MII_88E1318S_PHY_LED_FUNC, reg); } +static int m88e1318_led_blink_set(struct phy_device *phydev, u8 index, + unsigned long *delay_on, + unsigned long *delay_off) +{ + int reg; + + reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE, + MII_88E1318S_PHY_LED_FUNC); + if (reg < 0) + return reg; + + switch (index) { + case 0: + case 1: + case 2: + reg &= ~(0xf << (4 * index)); + reg |= MII_88E1318S_PHY_LED_FUNC_BLINK << (4 * index); + /* Reset default is 84ms */ + *delay_on = 84 / 2; + *delay_off = 84 / 2; + break; + default: + return -EINVAL; + } + + return phy_write_paged(phydev, MII_MARVELL_LED_PAGE, + MII_88E1318S_PHY_LED_FUNC, reg); +} + static int marvell_probe(struct phy_device *phydev) { struct marvell_priv *priv; @@ -3072,6 +3103,7 @@ static struct phy_driver marvell_drivers .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, }, { .phy_id = MARVELL_PHY_ID_88E1145, @@ -3179,6 +3211,7 @@ static struct phy_driver marvell_drivers .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, }, { .phy_id = MARVELL_PHY_ID_88E1540, @@ -3206,6 +3239,7 @@ static struct phy_driver marvell_drivers .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, }, { .phy_id = MARVELL_PHY_ID_88E1545, @@ -3233,6 +3267,7 @@ static struct phy_driver marvell_drivers .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, }, { .phy_id = MARVELL_PHY_ID_88E3016, @@ -3375,6 +3410,7 @@ static struct phy_driver marvell_drivers .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, }, };