diff options
Diffstat (limited to 'drivers/net/phy/mscc.c')
| -rw-r--r-- | drivers/net/phy/mscc.c | 85 |
1 files changed, 84 insertions, 1 deletions
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index e03ead81fffb..650c2667d523 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -13,6 +13,7 @@ #include <linux/phy.h> #include <linux/of.h> #include <linux/netdevice.h> +#include <dt-bindings/net/mscc-phy-vsc8531.h> enum rgmii_rx_clock_delay { RGMII_RX_CLK_DELAY_0_2_NS = 0, @@ -52,6 +53,11 @@ enum rgmii_rx_clock_delay { #define MSCC_PHY_DEV_AUX_CNTL 28 #define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000 +#define MSCC_PHY_LED_MODE_SEL 29 +#define LED_1_MODE_SEL_MASK 0x00F0 +#define LED_0_MODE_SEL_MASK 0x000F +#define LED_1_MODE_SEL_POS 4 + #define MSCC_EXT_PAGE_ACCESS 31 #define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */ #define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */ @@ -99,6 +105,8 @@ enum rgmii_rx_clock_delay { struct vsc8531_private { int rate_magic; + u8 led_0_mode; + u8 led_1_mode; }; #ifdef CONFIG_OF_MDIO @@ -123,6 +131,29 @@ static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page) return rc; } +static int vsc85xx_led_cntl_set(struct phy_device *phydev, + u8 led_num, + u8 mode) +{ + int rc; + u16 reg_val; + + mutex_lock(&phydev->lock); + reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL); + if (led_num) { + reg_val &= ~LED_1_MODE_SEL_MASK; + reg_val |= (((u16)mode << LED_1_MODE_SEL_POS) & + LED_1_MODE_SEL_MASK); + } else { + reg_val &= ~LED_0_MODE_SEL_MASK; + reg_val |= ((u16)mode & LED_0_MODE_SEL_MASK); + } + rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val); + mutex_unlock(&phydev->lock); + + return rc; +} + static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix) { u16 reg_val; @@ -370,11 +401,41 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev) return -EINVAL; } + +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev, + char *led, + u8 default_mode) +{ + struct device *dev = &phydev->mdio.dev; + struct device_node *of_node = dev->of_node; + u8 led_mode; + int err; + + if (!of_node) + return -ENODEV; + + led_mode = default_mode; + err = of_property_read_u8(of_node, led, &led_mode); + if (!err && (led_mode > 15 || led_mode == 7 || led_mode == 11)) { + phydev_err(phydev, "DT %s invalid\n", led); + return -EINVAL; + } + + return led_mode; +} + #else static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev) { return 0; } + +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev, + char *led, + u8 default_mode) +{ + return default_mode; +} #endif /* CONFIG_OF_MDIO */ static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate) @@ -499,6 +560,14 @@ static int vsc85xx_config_init(struct phy_device *phydev) if (rc) return rc; + rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode); + if (rc) + return rc; + + rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode); + if (rc) + return rc; + rc = genphy_config_init(phydev); return rc; @@ -555,8 +624,9 @@ static int vsc85xx_read_status(struct phy_device *phydev) static int vsc85xx_probe(struct phy_device *phydev) { - int rate_magic; struct vsc8531_private *vsc8531; + int rate_magic; + int led_mode; rate_magic = vsc85xx_edge_rate_magic_get(phydev); if (rate_magic < 0) @@ -570,6 +640,19 @@ static int vsc85xx_probe(struct phy_device *phydev) vsc8531->rate_magic = rate_magic; + /* LED[0] and LED[1] mode */ + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode", + VSC8531_LINK_1000_ACTIVITY); + if (led_mode < 0) + return led_mode; + vsc8531->led_0_mode = led_mode; + + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode", + VSC8531_LINK_100_ACTIVITY); + if (led_mode < 0) + return led_mode; + vsc8531->led_1_mode = led_mode; + return 0; } |