From 0a63ab263725c427051a8bbaa0732b749627da27 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 7 Aug 2014 18:15:36 +0200 Subject: [PATCH 23/36] NET: PHY: adds driver for lantiq PHY11G Signed-off-by: John Crispin --- drivers/net/phy/Kconfig | 5 + drivers/net/phy/Makefile | 1 + drivers/net/phy/lantiq.c | 231 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 237 insertions(+) create mode 100644 drivers/net/phy/lantiq.c --- a/drivers/net/phy/intel-xway.c +++ b/drivers/net/phy/intel-xway.c @@ -229,6 +229,51 @@ static int xway_gphy_rgmii_init(struct p XWAY_MDIO_MIICTRL_TXSKEW_MASK, val); } +#if IS_ENABLED(CONFIG_OF_MDIO) +static int vr9_gphy_of_reg_init(struct phy_device *phydev) +{ + u32 tmp; + + /* store the led values if one was passed by the devicetree */ + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,ledch", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCH, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,ledcl", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCL, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led0h", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0H, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led0l", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0L, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led1h", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1H, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led1l", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1L, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led2h", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2H, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led2l", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2L, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led3h", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED3H, tmp); + + if (!of_property_read_u32(phydev->mdio.dev.of_node, "lantiq,led3l", &tmp)) + phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED3L, tmp); + + return 0; +} +#else +static int vr9_gphy_of_reg_init(struct phy_device *phydev) +{ + return 0; +} +#endif /* CONFIG_OF_MDIO */ + static int xway_gphy_config_init(struct phy_device *phydev) { int err; @@ -280,6 +325,7 @@ static int xway_gphy_config_init(struct if (err) return err; + vr9_gphy_of_reg_init(phydev); return 0; } --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-lanitq.txt @@ -0,0 +1,216 @@ +Lanitq PHY binding +============================================ + +This devicetree binding controls the lantiq ethernet phys led functionality. + +Example: + mdio@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "lantiq,xrx200-mdio"; + phy5: ethernet-phy@5 { + reg = <0x1>; + compatible = "lantiq,phy11g", "ethernet-phy-ieee802.3-c22"; + }; + phy11: ethernet-phy@11 { + reg = <0x11>; + compatible = "lantiq,phy22f", "ethernet-phy-ieee802.3-c22"; + lantiq,led2h = <0x00>; + lantiq,led2l = <0x03>; + }; + phy12: ethernet-phy@12 { + reg = <0x12>; + compatible = "lantiq,phy22f", "ethernet-phy-ieee802.3-c22"; + lantiq,led1h = <0x00>; + lantiq,led1l = <0x03>; + }; + phy13: ethernet-phy@13 { + reg = <0x13>; + compatible = "lantiq,phy22f", "ethernet-phy-ieee802.3-c22"; + lantiq,led2h = <0x00>; + lantiq,led2l = <0x03>; + }; + phy14: ethernet-phy@14 { + reg = <0x14>; + compatible = "lantiq,phy22f", "ethernet-phy-ieee802.3-c22"; + lantiq,led1h = <0x00>; + lantiq,led1l = <0x03>; + }; + }; + +Register Description +============================================ + +LEDCH: + +Name Hardware Reset Value +LEDCH 0x00C5 + +| 15 | | | | | | | 8 | +========================================= +| RES | +========================================= + +| 7 | | | | | | | 0 | +========================================= +| FBF | SBF |RES | NACS | +========================================= + +Field Bits Type Description +FBF 7:6 RW Fast Blink Frequency + --- + 0x0 (00b) F02HZ 2 Hz blinking frequency + 0x1 (01b) F04HZ 4 Hz blinking frequency + 0x2 (10b) F08HZ 8 Hz blinking frequency + 0x3 (11b) F16HZ 16 Hz blinking frequency + +SBF 5:4 RW Slow Blink Frequency + --- + 0x0 (00b) F02HZ 2 Hz blinking frequency + 0x1 (01b) F04HZ 4 Hz blinking frequency + 0x2 (10b) F08HZ 8 Hz blinking frequency + 0x3 (11b) F16HZ 16 Hz blinking frequency + +NACS 2:0 RW Inverse of Scan Function + --- + 0x0 (000b) NONE No Function + 0x1 (001b) LINK Complex function enabled when link is up + 0x2 (010b) PDOWN Complex function enabled when device is powered-down + 0x3 (011b) EEE Complex function enabled when device is in EEE mode + 0x4 (100b) ANEG Complex function enabled when auto-negotiation is running + 0x5 (101b) ABIST Complex function enabled when analog self-test is running + 0x6 (110b) CDIAG Complex function enabled when cable diagnostics are running + 0x7 (111b) TEST Complex function enabled when test mode is running + +LEDCL: + +Name Hardware Reset Value +LEDCL 0x0067 + +| 15 | | | | | | | 8 | +========================================= +| RES | +========================================= + +| 7 | | | | | | | 0 | +========================================= +|RES | SCAN |RES | CBLINK | +========================================= + +Field Bits Type Description +SCAN 6:4 RW Complex Scan Configuration + --- + 000 B NONE No Function + 001 B LINK Complex function enabled when link is up + 010 B PDOWN Complex function enabled when device is powered-down + 011 B EEE Complex function enabled when device is in EEE mode + 100 B ANEG Complex function enabled when auto-negotiation is running + 101 B ABIST Complex function enabled when analog self-test is running + 110 B CDIAG Complex function enabled when cable diagnostics are running + 111 B TEST Complex function enabled when test mode is running + +CBLINK 2:0 RW Complex Blinking Configuration + --- + 000 B NONE No Function + 001 B LINK Complex function enabled when link is up + 010 B PDOWN Complex function enabled when device is powered-down + 011 B EEE Complex function enabled when device is in EEE mode + 100 B ANEG Complex function enabled when auto-negotiation is running + 101 B ABIST Complex function enabled when analog self-test is running + 110 B CDIAG Complex function enabled when cable diagnostics are running + 111 B TEST Complex function enabled when test mode is running + +LEDxH: + +Name Hardware Reset Value +LED0H 0x0070 +LED1H 0x0020 +LED2H 0x0040 +LED3H 0x0040 + +| 15 | | | | | | | 8 | +========================================= +| RES | +========================================= + +| 7 | | | | | | | 0 | +========================================= +| CON | BLINKF | +========================================= + +Field Bits Type Description +CON 7:4 RW Constant On Configuration + --- + 0x0 (0000b) NONE LED does not light up constantly + 0x1 (0001b) LINK10 LED is on when link is 10 Mbit/s + 0x2 (0010b) LINK100 LED is on when link is 100 Mbit/s + 0x3 (0011b) LINK10X LED is on when link is 10/100 Mbit/s + 0x4 (0100b) LINK1000 LED is on when link is 1000 Mbit/s + 0x5 (0101b) LINK10_0 LED is on when link is 10/1000 Mbit/s + 0x6 (0110b) LINK100X LED is on when link is 100/1000 Mbit/s + 0x7 (0111b) LINK10XX LED is on when link is 10/100/1000 Mbit/s + 0x8 (1000b) PDOWN LED is on when device is powered-down + 0x9 (1001b) EEE LED is on when device is in EEE mode + 0xA (1010b) ANEG LED is on when auto-negotiation is running + 0xB (1011b) ABIST LED is on when analog self-test is running + 0xC (1100b) CDIAG LED is on when cable diagnostics are running + +BLINKF 3:0 RW Fast Blinking Configuration + --- + 0x0 (0000b) NONE No Blinking + 0x1 (0001b) LINK10 Blink when link is 10 Mbit/s + 0x2 (0010b) LINK100 Blink when link is 100 Mbit/s + 0x3 (0011b) LINK10X Blink when link is 10/100 Mbit/s + 0x4 (0100b) LINK1000 Blink when link is 1000 Mbit/s + 0x5 (0101b) LINK10_0 Blink when link is 10/1000 Mbit/s + 0x6 (0110b) LINK100X Blink when link is 100/1000 Mbit/s + 0x7 (0111b) LINK10XX Blink when link is 10/100/1000 Mbit/s + 0x8 (1000b) PDOWN Blink when device is powered-down + 0x9 (1001b) EEE Blink when device is in EEE mode + 0xA (1010b) ANEG Blink when auto-negotiation is running + 0xB (1011b) ABIST Blink when analog self-test is running + 0xC (1100b) CDIAG Blink when cable diagnostics are running + +LEDxL: + +Name Hardware Reset Value +LED0L 0x0003 +LED1L 0x0000 +LED2L 0x0000 +LED3L 0x0020 + +| 15 | | | | | | | 8 | +========================================= +| RES | +========================================= + +| 7 | | | | | | | 0 | +========================================= +| BLINKS | PULSE | +========================================= + +Field Bits Type Description +BLINKS 7:4 RW Slow Blinkin Configuration + --- + 0x0 (0000b) NONE No Blinking + 0x1 (0001b) LINK10 Blink when link is 10 Mbit/s + 0x2 (0010b) LINK100 Blink when link is 100 Mbit/s + 0x3 (0011b) LINK10X Blink when link is 10/100 Mbit/s + 0x4 (0100b) LINK1000 Blink when link is 1000 Mbit/s + 0x5 (0101b) LINK10_0 Blink when link is 10/1000 Mbit/s + 0x6 (0110b) LINK100X Blink when link is 100/1000 Mbit/s + 0x7 (0111b) LINK10XX Blink when link is 10/100/1000 Mbit/s + 0x8 (1000b) PDOWN Blink when device is powered-down + 0x9 (1001b) EEE Blink when device is in EEE mode + 0xA (1010b) ANEG Blink when auto-negotiation is running + 0xB (1011b) ABIST Blink when analog self-test is running + 0xC (1100b) CDIAG Blink when cable diagnostics are runningning + +PULSE 3:0 RW Pulsing Configuration + The pulse field is a mask field by which certain events can be combined + --- + 0x0 (0000b) NONE No pulsing + 0x1 (0001b) TXACT Transmit activity + 0x2 (0010b) RXACT Receive activity + 0x4 (0100b) COL Collision + 0x8 (1000b) RES Reserved