mips: octeon: mrvl, octeon-nic23.dts: Add ethernet DT support
authorStefan Roese <sr@denx.de>
Thu, 7 Apr 2022 07:11:51 +0000 (09:11 +0200)
committerStefan Roese <sr@denx.de>
Wed, 4 May 2022 01:38:21 +0000 (03:38 +0200)
Add the Octeon ethernet (BGX) and SFP DT nodes to the NIC23 dts file to
enable ethernet support on this board.

Signed-off-by: Stefan Roese <sr@denx.de>
arch/mips/dts/mrvl,octeon-nic23.dts

index 72ef56d..dfbd51c 100644 (file)
 &i2c0 {
        u-boot,dm-pre-reloc;    /* Needed early for DDR SPD EEPROM */
        clock-frequency = <100000>;
+
+       sfp0eeprom: eeprom@50 {
+               compatible = "atmel,24c01";
+               reg = <0x50>;
+       };
+
+       sfp0alerts: eeprom@51 {
+               compatible = "atmel,24c01";
+               reg = <0x51>;
+       };
 };
 
 &i2c1 {
        u-boot,dm-pre-reloc;    /* Needed early for DDR SPD EEPROM */
        clock-frequency = <100000>;
+
+       vitesse@10 {
+               compatible = "vitesse,vsc7224";
+               reg = <0x10>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               /* Note that reset is active high with this device */
+               reset = <&gpio 7 0>;
+
+               /* LoS pin can be pulled low when there is a loss of signal */
+               los = <&gpio 6 0>;
+
+               vitesse,reg-init =
+                       /* Clear all masks */
+                       /* Page select FSYNC0 (0x30) */
+                       <0x7f 0x0030>,
+                       /* Set FSYNC0 for 10.3125Gbps */
+                       <0x80 0x2841>,  /* See Table 3. */
+                       <0x81 0x0008>,
+                       <0x82 0xc000>,
+                       <0x83 0x0010>,
+                       <0x84 0x1d00>,
+
+                       /* All channels Rx settings set equally */
+                       <0x7f 0x0050>,
+                       /* Shrink EQ_BUFF */
+                       <0x82 0x0014>,
+                       /* Set EQVGA_ADAP = 1 (enable EQVGA circuitry),
+                        * USE_UNIT_GAIN = 1 (EQVGA is in unity gain),
+                        * USE_LPF = 0 (VGA adapt not using LPF),
+                        * USE_EQVGA = 1
+                       <0x89 0x7f13>,
+                       /* Select min DFE Delay (DFE_DELAY) */
+                       <0x90 0x5785>,
+                       /* Set DFE 1-3 limit (DXMAX) = 32dec,
+                        * AP Max limit = 127 decimal
+                        */
+                       <0x92 0x207f>,
+                       /* Set AP Min limit = 32 decimal */
+                       <0x93 0x2000>,
+                       /* Set DFE Averaging to the slowest (DFE_AVG) */
+                       <0x94 0x0031>,
+                       /* Set Inductor Bypass OD_IND_BYP = 0 & fastest Rise/Fall */
+                       <0x9c 0x0000>,
+                       /* Setting DFE Boost = none. Must set for
+                        * rev C (if DFE in adapt mode)
+                        */
+                       <0xaa 0x0888>,
+                       /* Setting EQ Min = 8 & Max limit = 72 dec.
+                        * Must set for rev C, otherwise EQ is 0
+                        * (if EQ is in adaptive mode)
+                        */
+                       <0xa8 0x2408>,
+                       /* Setting EQVGA = 96, when in EQVGA manual mode */
+                       <0xa9 0x0060>,
+                       /* Setting SW_BFOCM, bits 15:14 to 01 */
+                       <0x87 0x4021>,
+                       /* Turn off adaptive input equalization
+                        * and VGA adaptive algorithm control.
+                       */
+                       <0x89 0x7313>,
+                       /* Turn on adaptive input equalization
+                        * and VGA adaptive algorithm control.
+                       */
+                       <0x89 0x7f13>;
+
+               vitesse-channel@0 {
+                       compatible = "vitesse,vsc7224-channel";
+                       reg = <0>;
+                       direction-tx;
+                       sfp-mac = <&eth0>;
+
+                       /* TAP settings.  The format of this is as
+                        * follows:
+                        * - cable length in meters, 0 = active or
+                        *   optical module
+                        * - maintap value
+                        * - pretap value
+                        * - posttap value
+                        *
+                        * For the cable length, the value will apply
+                        * for that cable length and greater until the
+                        * next largest cable length specified.  These
+                        * values must be ordered first by channel mask
+                        * then by cable length.  These are typically
+                        * set for the transmit channels, not the
+                        * receive channels.
+                        */
+                       taps = <0 0x0013 0x000f 0x0000>,
+                              <1 0x001f 0x000f 0x0004>,
+                              <3 0x0014 0x000b 0x0004>,
+                              <5 0x0014 0x0009 0x0006>,
+                              <7 0x0014 0x000f 0x0000>,
+                              <10 0x0012 0x000b 0x0013>;
+               };
+
+               vitesse-channel@1 {
+                       compatible = "vitesse,vsc7224-channel";
+                       reg = <1>;
+                       /* Ignore mod_abs and module */
+                       direction-rx;
+                       sfp-mac = <&eth0>;
+
+                       /* Disable pre-tap */
+                       pretap-disable;
+
+                       /* Disable post-tap */
+                       posttap-disable;
+
+                       /* Taps has the following fields:
+                        * - cable length (ignored for rx)
+                        * - main tap value
+                        * - pre tap value
+                        * - post tap value
+                        *
+                        * NOTE: if taps are disabled then they
+                        *       are not programmed.
+                        */
+                       taps = <0 0x0a 0x0b 0x10>;
+               };
+
+               vitesse-channel@2 {
+                       compatible = "vitesse,vsc7224-channel";
+                       reg = <2>;
+                       direction-tx;
+                       sfp-mac = <&eth1>;
+
+                       /* TAP settings.  The format of this is as
+                        * follows:
+                        * - cable length in meters, 0 = active or
+                        *   optical module
+                        * - maintap value
+                        * - pretap value
+                        * - posttap value
+                        *
+                        * For the cable length, the value will apply
+                        * for that cable length and greater until the
+                        * next largest cable length specified.  These
+                        * values must be ordered first by channel mask
+                        * then by cable length.  These are typically
+                        * set for the transmit channels, not the
+                        * receive channels.
+                        */
+                       taps = <0 0x0013 0x000f 0x0000>,
+                              <1 0x001f 0x000f 0x0004>,
+                              <3 0x0014 0x000b 0x0004>,
+                              <5 0x0014 0x0009 0x0006>,
+                              <7 0x0014 0x000f 0x0000>,
+                              <10 0x0012 0x000b 0x0013>;
+               };
+
+               vitesse-channel@3 {
+                       compatible = "vitesse,vsc7224-channel";
+                       reg = <3>;
+                       /* Ignore mod_abs and module */
+                       direction-rx;
+                       sfp-mac = <&eth1>;
+
+                       /* Disable pre-tap */
+                       pretap-disable;
+
+                       /* Disable post-tap */
+                       posttap-disable;
+
+                       /* Taps has the following fields:
+                        * - cable length (ignored for rx)
+                        * - main tap value
+                        * - pre tap value
+                        * - post tap value
+                        *
+                        * NOTE: if taps are disabled then they
+                        *       are not programmed.
+                        */
+                       taps = <0 0x0a 0x0b 0x10>;
+               };
+       };
+
+       sfp1eeprom: eeprom@50 {
+               compatible = "atmel,24c01";
+               reg = <0x50>;
+       };
+
+       sfp1alerts: eeprom@51 {
+               compatible = "atmel,24c01";
+               reg = <0x51>;
+       };
 };
 
 &mmc {
                compatible = "marvell,pci-bootcmd";
                status = "okay";
        };
+
+       sfp0: sfp-slot@0 {
+               compatible = "ethernet,sfp-slot";
+               tx_disable = <&gpio 16 0>;
+               mod_abs = <&gpio 17 0>;
+               tx_error = <&gpio 19 0>;
+               rx_los = <&gpio 18 0>;
+               eeprom = <&sfp0eeprom>;
+               diag = <&sfp0alerts>;
+       };
+
+       sfp1: sfp-slot@1 {
+               compatible = "ethernet,sfp-slot";
+               tx_disable = <&gpio 21 0>;
+               mod_abs = <&gpio 22 0>;
+               tx_error = <&gpio 24 0>;
+               rx_los = <&gpio 23 0>;
+               eeprom = <&sfp1eeprom>;
+               diag = <&sfp1alerts>;
+       };
 };
 
 &spi {
                reg = <0>;
        };
 };
+
+/* BGX 2 */
+&bgx2 {
+       status = "okay";
+
+       /* SerDes 0, may differ from PCS Lane/LMAC */
+       eth0: ethernet-mac@0 {
+               compatible = "cavium,octeon-7890-bgx-port";
+               reg = <0>;
+               local-mac-address = [ 00 00 00 00 00 00 ];
+               sfp-slot = <&sfp0>;
+       };
+
+       /* SerDes 1, may differ from PCS Lane/LMAC */
+       eth1: ethernet-mac@1 {
+               compatible = "cavium,octeon-7890-bgx-port";
+               reg = <1>;
+               local-mac-address = [ 00 00 00 00 00 00 ];
+               sfp-slot = <&sfp1>;
+       };
+};