[PATCH 49/52] mips: octeon: mrvl, octeon-nic23.dts: Add ethernet DT support

[Stefan Roese <sr@denx.de>]

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 | 238 ++++++++++++++++++++++++++++
 1 file changed, 238 insertions(+)

diff --git a/arch/mips/dts/mrvl,octeon-nic23.dts b/arch/mips/dts/mrvl,octeon-nic23.dts
index 72ef56d834e4..dfbd51c92468 100644
--- a/arch/mips/dts/mrvl,octeon-nic23.dts
+++ b/arch/mips/dts/mrvl,octeon-nic23.dts
@@ -118,11 +118,208 @@
 &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 {
@@ -151,6 +348,26 @@
 		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 {
@@ -160,3 +377,24 @@
 		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>;
+	};
+};
-- 
2.35.1