diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2023-04-17 17:17:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-04-19 13:59:16 +0200 |
| commit | 2d3960e58ef7c83fe1dbf952f056b9e906cb6df8 (patch) | |
| tree | f4b5c4965ec0ffec9ceffde61165bde827960fc2 /drivers | |
| parent | net: phy: phy_device: Call into the PHY driver to set LED brightness (diff) | |
| download | linux-2d3960e58ef7c83fe1dbf952f056b9e906cb6df8.tar.xz linux-2d3960e58ef7c83fe1dbf952f056b9e906cb6df8.zip | |
net: phy: marvell: Add software control of the LEDs
Add a brightness function, so the LEDs can be controlled from
software using the standard Linux LED infrastructure.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/marvell.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 24853e9a889e..8d1eb4c4e1ab 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -144,11 +144,13 @@ /* WOL Event Interrupt Enable */ #define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7) -/* LED Timer Control Register */ -#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) -#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11) +#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_TCR 0x12 +#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15) +#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7) +#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11) /* Magic Packet MAC address registers */ #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17 @@ -2832,6 +2834,34 @@ static int marvell_hwmon_probe(struct phy_device *phydev) } #endif +static int m88e1318_led_brightness_set(struct phy_device *phydev, + u8 index, enum led_brightness value) +{ + 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)); + if (value == LED_OFF) + reg |= MII_88E1318S_PHY_LED_FUNC_OFF << (4 * index); + else + reg |= MII_88E1318S_PHY_LED_FUNC_ON << (4 * index); + 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; @@ -3081,6 +3111,7 @@ static struct phy_driver marvell_drivers[] = { .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, + .led_brightness_set = m88e1318_led_brightness_set, }, { .phy_id = MARVELL_PHY_ID_88E1145, @@ -3187,6 +3218,7 @@ static struct phy_driver marvell_drivers[] = { .cable_test_start = marvell_vct7_cable_test_start, .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, }, { .phy_id = MARVELL_PHY_ID_88E1540, @@ -3213,6 +3245,7 @@ static struct phy_driver marvell_drivers[] = { .cable_test_start = marvell_vct7_cable_test_start, .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, }, { .phy_id = MARVELL_PHY_ID_88E1545, @@ -3239,6 +3272,7 @@ static struct phy_driver marvell_drivers[] = { .cable_test_start = marvell_vct7_cable_test_start, .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, }, { .phy_id = MARVELL_PHY_ID_88E3016, @@ -3380,6 +3414,7 @@ static struct phy_driver marvell_drivers[] = { .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, + .led_brightness_set = m88e1318_led_brightness_set, }, }; |