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(cpe-188-129-47-65.dynamic.amis.hr. [188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5733becfc2fsm18146146a12.39.2024.05.22.03.06.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 May 2024 03:06:41 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH 1/2] net: phy: add PSGMII (Penta SGMII) mode Date: Wed, 22 May 2024 12:06:15 +0200 Message-ID: <20240522100638.224484-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean The PSGMII interface is similar to QSGMII. The main difference is that the PSGMII interface combines five SGMII lines into a single link while in QSGMII only four lines are combined. Similarly to the QSGMII, this interface mode might also needs special handling within the MAC driver. It is commonly used by Qualcomm with their QCA807x PHY series and modern WiSoC-s. Add definitions for the PHY layer to allow to express this type of connection between the MAC and PHY. This is basically a direct port from Linux which already supports this mode. Signed-off-by: Robert Marko --- include/phy_interface.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/phy_interface.h b/include/phy_interface.h index 31be3228c7..04826bc65d 100644 --- a/include/phy_interface.h +++ b/include/phy_interface.h @@ -31,6 +31,7 @@ typedef enum { PHY_INTERFACE_MODE_XGMII, PHY_INTERFACE_MODE_XLGMII, PHY_INTERFACE_MODE_MOCA, + PHY_INTERFACE_MODE_PSGMII, PHY_INTERFACE_MODE_QSGMII, PHY_INTERFACE_MODE_TRGMII, PHY_INTERFACE_MODE_100BASEX, @@ -79,6 +80,7 @@ static const char * const phy_interface_strings[] = { [PHY_INTERFACE_MODE_XGMII] = "xgmii", [PHY_INTERFACE_MODE_XLGMII] = "xlgmii", [PHY_INTERFACE_MODE_MOCA] = "moca", + [PHY_INTERFACE_MODE_PSGMII] = "psgmii", [PHY_INTERFACE_MODE_QSGMII] = "qsgmii", [PHY_INTERFACE_MODE_TRGMII] = "trgmii", [PHY_INTERFACE_MODE_1000BASEX] = "1000base-x", From patchwork Wed May 22 10:06:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1937787 X-Patchwork-Delegate: caleb.connolly@linaro.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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[188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5733becfc2fsm18146146a12.39.2024.05.22.03.06.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 May 2024 03:06:42 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH 2/2] net: phy: add Qualcomm QCA807x driver Date: Wed, 22 May 2024 12:06:16 +0200 Message-ID: <20240522100638.224484-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240522100638.224484-1-robert.marko@sartura.hr> References: <20240522100638.224484-1-robert.marko@sartura.hr> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This adds driver for the Qualcomm QCA8072 and QCA8075 PHY-s. They are 2 or 5 port IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and 1000BASE-T PHY-s. They feature 2 SerDes, one for PSGMII or QSGMII connection with MAC, while second one is SGMII for connection to MAC or fiber. Both models have a combo port that supports 1000BASE-X and 100BASE-FX fiber (Currently not supported in U-Boot) Each PHY inside of QCA807x series has 2 digitally controlled output only pins that natively drive LED-s. These PHY-s are commonly used in Qualcomm IPQ40xx, IPQ60xx and IPQ807x boards. Signed-off-by: Robert Marko Acked-by: Caleb Connolly --- drivers/net/phy/Kconfig | 6 ++ drivers/net/phy/Makefile | 1 + drivers/net/phy/qca807x.c | 211 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 218 insertions(+) create mode 100644 drivers/net/phy/qca807x.c diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 3d96938eab..cc79043b97 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -243,6 +243,12 @@ config PHY_NXP_TJA11XX help Currently supports the NXP TJA1100 and TJA1101 PHY. +config PHY_QCA807X + bool "Qualcomm QCA807x PHYs support" + help + Currently supports the Qualcomm QCA8072, QCA8075 and the PSGMII + control PHY. + config PHY_REALTEK bool "Realtek Ethernet PHYs support" diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 2487f366e1..b2d31fe4f2 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_PHY_MOTORCOMM) += motorcomm.o obj-$(CONFIG_PHY_NATSEMI) += natsemi.o obj-$(CONFIG_PHY_NXP_C45_TJA11XX) += nxp-c45-tja11xx.o obj-$(CONFIG_PHY_NXP_TJA11XX) += nxp-tja11xx.o +obj-$(CONFIG_PHY_QCA807X) += qca807x.o obj-$(CONFIG_PHY_REALTEK) += realtek.o obj-$(CONFIG_PHY_SMSC) += smsc.o obj-$(CONFIG_PHY_TERANETICS) += teranetics.o diff --git a/drivers/net/phy/qca807x.c b/drivers/net/phy/qca807x.c new file mode 100644 index 0000000000..a851ff34a0 --- /dev/null +++ b/drivers/net/phy/qca807x.c @@ -0,0 +1,211 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024 Sartura Ltd. + * + * Author: Robert Marko + * + * Qualcomm QCA8072 and QCA8075 PHY driver + */ + +#include +#include +#include +#include + +#define PHY_ID_QCA8072 0x004dd0b2 +#define PHY_ID_QCA8075 0x004dd0b1 +#define PHY_ID_QCA807X_PSGMII 0x06820805 +#define PHY_ID_QCA807X_MASK GENMASK(31, 0) + +#define QCA807X_CHIP_CONFIGURATION 0x1f +#define QCA807X_MMD7_1000BASE_T_POWER_SAVE_PER_CABLE_LENGTH 0x801a +#define QCA807X_CONTROL_DAC_MASK GENMASK(2, 0) +/* List of tweaks enabled by this bit: + * - With both FULL amplitude and FULL bias current: bias current + * is set to half. + * - With only DSP amplitude: bias current is set to half and + * is set to 1/4 with cable < 10m. + * - With DSP bias current (included both DSP amplitude and + * DSP bias current): bias current is half the detected current + * with cable < 10m. + */ +#define QCA807X_CONTROL_DAC_BIAS_CURRENT_TWEAK BIT(2) +#define QCA807X_CONTROL_DAC_DSP_BIAS_CURRENT BIT(1) +#define QCA807X_CONTROL_DAC_DSP_AMPLITUDE BIT(0) + +#define QCA807X_MMD7_LED_100N_1 0x8074 +#define QCA807X_MMD7_LED_100N_2 0x8075 +#define QCA807X_MMD7_LED_1000N_1 0x8076 +#define QCA807X_MMD7_LED_1000N_2 0x8077 +#define QCA807X_LED_TXACT_BLK_EN_2 BIT(10) +#define QCA807X_LED_RXACT_BLK_EN_2 BIT(9) +#define QCA807X_LED_GT_ON_EN_2 BIT(6) +#define QCA807X_LED_HT_ON_EN_2 BIT(5) +#define QCA807X_LED_BT_ON_EN_2 BIT(4) + +/* PSGMII PHY specific */ +#define PSGMII_QSGMII_DRIVE_CONTROL_1 0xb +#define PSGMII_QSGMII_TX_DRIVER_MASK GENMASK(7, 4) +#define PQSGMII_TX_DRIVER_140MV 0x0 +#define PQSGMII_TX_DRIVER_160MV 0x1 +#define PQSGMII_TX_DRIVER_180MV 0x2 +#define PQSGMII_TX_DRIVER_200MV 0x3 +#define PQSGMII_TX_DRIVER_220MV 0x4 +#define PQSGMII_TX_DRIVER_240MV 0x5 +#define PQSGMII_TX_DRIVER_260MV 0x6 +#define PQSGMII_TX_DRIVER_280MV 0x7 +#define PQSGMII_TX_DRIVER_300MV 0x8 +#define PQSGMII_TX_DRIVER_320MV 0x9 +#define PQSGMII_TX_DRIVER_400MV 0xa +#define PQSGMII_TX_DRIVER_500MV 0xb +#define PQSGMII_TX_DRIVER_600MV 0xc +#define PSGMII_MODE_CTRL 0x6d +#define PSGMII_MODE_CTRL_AZ_WORKAROUND_MASK GENMASK(3, 0) +#define PSGMII_MMD3_SERDES_CONTROL 0x805a + +static int qca807x_config(struct phy_device *phydev) +{ + int control_dac, ret = 0; + bool dac_full_amplitude; + bool dac_full_bias_current; + bool dac_disable_bias_current_tweak; + ofnode node; + + node = phy_get_ofnode(phydev); + if (!ofnode_valid(node)) + return -EINVAL; + + dac_full_amplitude = ofnode_read_bool(node, "qcom,dac-full-amplitude"); + dac_full_bias_current = ofnode_read_bool(node, "qcom,dac-full-bias-current"); + dac_disable_bias_current_tweak = ofnode_read_bool(node, "qcom,dac-disable-bias-current-tweak"); + + /* Check for Combo port */ + if(phy_read(phydev, MDIO_DEVAD_NONE, QCA807X_CHIP_CONFIGURATION)) { + int psgmii_serdes; + + /* Prevent PSGMII going into hibernation via PSGMII self test */ + psgmii_serdes = phy_read_mmd(phydev, MDIO_MMD_PCS, PSGMII_MMD3_SERDES_CONTROL); + psgmii_serdes &= ~BIT(1); + ret = phy_write_mmd(phydev, MDIO_MMD_PCS, PSGMII_MMD3_SERDES_CONTROL, psgmii_serdes); + } + + control_dac = phy_read_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_1000BASE_T_POWER_SAVE_PER_CABLE_LENGTH); + control_dac &= ~QCA807X_CONTROL_DAC_MASK; + if (!dac_full_amplitude) + control_dac |= QCA807X_CONTROL_DAC_DSP_AMPLITUDE; + if (!dac_full_amplitude) + control_dac |= QCA807X_CONTROL_DAC_DSP_BIAS_CURRENT; + if (!dac_disable_bias_current_tweak) + control_dac |= QCA807X_CONTROL_DAC_BIAS_CURRENT_TWEAK; + ret = phy_write_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_1000BASE_T_POWER_SAVE_PER_CABLE_LENGTH, control_dac); + + phydev->supported = phydev->drv->features; + phydev->advertising = phydev->drv->features; + + genphy_config_aneg(phydev); + genphy_restart_aneg(phydev); + + return ret; +} + +static int qca807x_psgmii_config(struct phy_device *phydev) +{ + int psgmii_az, tx_amp, ret = 0; + u32 tx_drive_strength; + ofnode node; + + node = phy_get_ofnode(phydev); + if (!ofnode_valid(node)) + return -EINVAL; + + /* Default to 600mw if not defined */ + if (ofnode_read_u32(node, "qcom,tx-drive-strength-milliwatt", + &tx_drive_strength)) + tx_drive_strength = 600; + + switch (tx_drive_strength) { + case 140: + tx_drive_strength = PQSGMII_TX_DRIVER_140MV; + break; + case 160: + tx_drive_strength = PQSGMII_TX_DRIVER_160MV; + break; + case 180: + tx_drive_strength = PQSGMII_TX_DRIVER_180MV; + break; + case 200: + tx_drive_strength = PQSGMII_TX_DRIVER_200MV; + break; + case 220: + tx_drive_strength = PQSGMII_TX_DRIVER_220MV; + break; + case 240: + tx_drive_strength = PQSGMII_TX_DRIVER_240MV; + break; + case 260: + tx_drive_strength = PQSGMII_TX_DRIVER_260MV; + break; + case 280: + tx_drive_strength = PQSGMII_TX_DRIVER_280MV; + break; + case 300: + tx_drive_strength = PQSGMII_TX_DRIVER_300MV; + break; + case 320: + tx_drive_strength = PQSGMII_TX_DRIVER_320MV; + break; + case 400: + tx_drive_strength = PQSGMII_TX_DRIVER_400MV; + break; + case 500: + tx_drive_strength = PQSGMII_TX_DRIVER_500MV; + break; + case 600: + tx_drive_strength = PQSGMII_TX_DRIVER_600MV; + break; + default: + return -EINVAL; + } + + /* Workaround to enable AZ transmitting ability */ + psgmii_az = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, PSGMII_MODE_CTRL); + psgmii_az &= ~PSGMII_MODE_CTRL_AZ_WORKAROUND_MASK; + psgmii_az |= FIELD_PREP(PSGMII_MODE_CTRL_AZ_WORKAROUND_MASK, 0xc); + ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD, PSGMII_MODE_CTRL, psgmii_az); + psgmii_az = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, PSGMII_MODE_CTRL); + + + tx_amp = phy_read(phydev, MDIO_DEVAD_NONE, PSGMII_QSGMII_DRIVE_CONTROL_1); + tx_amp &= ~PSGMII_QSGMII_TX_DRIVER_MASK; + tx_amp |= FIELD_PREP(PSGMII_QSGMII_TX_DRIVER_MASK, tx_drive_strength); + ret = phy_write(phydev, MDIO_DEVAD_NONE, PSGMII_QSGMII_DRIVE_CONTROL_1, tx_amp); + + return ret; +} + +U_BOOT_PHY_DRIVER(QCA8072_driver) = { + .name = "Qualcomm QCA8072", + .uid = PHY_ID_QCA8072, + .mask = PHY_ID_QCA807X_MASK, + .features = PHY_GBIT_FEATURES, + .config = qca807x_config, + .startup = genphy_startup, + .shutdown = genphy_shutdown, +}; + +U_BOOT_PHY_DRIVER(QCA8075_driver) = { + .name = "Qualcomm QCA8075", + .uid = PHY_ID_QCA8075, + .mask = PHY_ID_QCA807X_MASK, + .features = PHY_GBIT_FEATURES, + .config = qca807x_config, + .startup = genphy_startup, + .shutdown = genphy_shutdown, +}; + +U_BOOT_PHY_DRIVER(QCA807X_PSGMII_driver) = { + .name = "Qualcomm QCA807x PSGMII", + .uid = PHY_ID_QCA807X_PSGMII, + .mask = PHY_ID_QCA807X_MASK, + .config = qca807x_psgmii_config, +};