RK3566Android11平台上适配YT8512C100MPHY

 

RK3566代码之前适配的1000M IC RTL8211F , 现在需要在之前的基础上修改PHY IC 为裕泰的YT8512C ---------------------------------------------------------------------- +//将1000M 的配置关掉，改为100M 配置,查看RK3566 资料关于以太网的配置即可知道如何修改 #if 0 &gmac1 { phy-mode = "rgmii"; clock_in_out = "input"; snps,reset-gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>; snps,reset-active-low; /* Reset time is 20ms, 100ms for rtl8211f */ snps,reset-delays-us = <0 20000 100000>; assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>; assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>; assigned-clock-rates = <0>, <125000000>; pinctrl-names = "default"; pinctrl-0 = <&gmac1m1_miim &gmac1m1_tx_bus2 &gmac1m1_rx_bus2 &gmac1m1_rgmii_clk &gmac1m1_rgmii_bus &gmac1m1_clkinout>; tx_delay = <0x4b>; rx_delay = <0x2b>; phy-handle = <&rgmii_phy1>; status = "okay"; }; #else //gmac1m0 &gmac1_clkin { clock-frequency = <50000000>; }; &gmac1 { phy-mode = "rmii"; clock_in_out = "input"; snps,reset-gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>; snps,reset-active-low; /* Reset time is 20ms, 100ms for rtl8211f */ snps,reset-delays-us = <0 20000 100000>; assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>; assigned-clock-parents = <&cru SCLK_GMAC1_RMII_SPEED>, <&gmac1_clkin>; //assigned-clock-rates = <0>, <50000000>; pinctrl-names = "default"; pinctrl-0 = <&gmac1m0_miim &gmac1m0_clkinout &gmac1m0_tx_bus2 &gmac1m0_rx_bus2>; //tx_delay = <0x4f>; //rx_delay = <0x26>; phy-handle = <&rmii_phy1>; status = "okay"; }; #endif +//rgmii 1000M 改为100M -&mdio1 { - rgmii_phy1: phy@0 { - compatible = "ethernet-phy-ieee802.3-c22"; - reg = <0x0>; - }; -}; +&mdio1 { + rmii_phy1: phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0x0>; + }; +}; //修改1000M 为100M ETH 的VDDIO 需要从1.8V 改为3.3V &pmu_io_domains { status = "okay"; pmuio2-supply = <&vcc_3v3>; vccio1-supply = <&vcc_3v3>; vccio3-supply = <&vcc_3v3>; vccio4-supply = <&vcc_1v8>; vccio5-supply = <&vcc_3v3>; -vccio6-supply = <&vcc_1v8>; +vccio6-supply = <&vcc_3v3>; vccio7-supply = <&vcc_3v3>; }; ----------------------------- [ 23.957084] rk_gmac-dwmac fe010000.ethernet eth0: No Safety Features support found [ 23.957124] rk_gmac-dwmac fe010000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported [ 23.958316] rk_gmac-dwmac fe010000.ethernet eth0: registered PTP clock [ 23.960237] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 1609.817567] rk_gmac-dwmac fe010000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx [ 1609.817709] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready ----------------------------- 参照文档修改，发现以太网初始化正常，节点eth0 正常生成，也能够ping通数据 2.接下来需要修改 以太网的网络接口状态灯： 根据数据规格书： LED0 0x40c0寄存器写0x30 LED1 0x40c3寄存器写0x1300 commit bd71fd55f47f18acb35f8974ebaf6dd696ba7738 Author: amediatech <jiangsai@amediatech > Date: Wed Dec 27 17:53:17 2023 +0800 modify led control diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e75d44b987..f1f304e6f2 100644 --- a/kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -26,6 +26,7 @@ #include <linux/clk.h> #include <linux/kernel.h> +#include <linux/version.h> #include <linux/interrupt.h> #include <linux/ip.h> #include <linux/tcp.h> @@ -57,7 +58,21 @@ #define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16) #define TSO_MAX_BUFF_SIZE (SZ_16K - 1) - +#define REG_DEBUG_ADDR_OFFSET 0x1e +#define REG_DEBUG_DATA 0x1f +#define YT8512_LED0_ACT_BLK_IND 0x1000 +#define YT8512_LED0_DIS_LED_AN_TRY 0x0001 +#define YT8512_LED0_BT_BLK_EN 0x0002 +#define YT8512_LED0_HT_BLK_EN 0x0004 +#define YT8512_LED0_COL_BLK_EN 0x0008 +#define YT8512_LED0_BT_ON_EN 0x0010 +#define YT8512_LED1_BT_ON_EN 0x0010 +#define YT8512_LED1_TXACT_BLK_EN 0x0100 +#define YT8512_LED1_RXACT_BLK_EN 0x0200 +#define YT8512_EXTREG_LED0 0x40c0 +#define YT8512_EXTREG_LED1 0x40c3 +//#define RTL_8211F_PHY_ID 0x001cc916 +#define YT8512C_PHY_ID 0x00000128 /* Module parameters */ #define TX_TIMEO 5000 static int watchdog = TX_TIMEO; @@ -4270,6 +4285,122 @@ static int stmmac_hw_init(struct stmmac_priv *priv) return 0; } +#if (KERNEL_VERSION(5, 5, 0) > LINUX_VERSION_CODE) +static inline void phy_lock_mdio_bus(struct phy_device *phydev) +{ +#if (KERNEL_VERSION(4, 5, 0) > LINUX_VERSION_CODE) + mutex_lock(&phydev->bus->mdio_lock); +#else + mutex_lock(&phydev->mdio.bus->mdio_lock); +#endif +} + +static inline void phy_unlock_mdio_bus(struct phy_device *phydev) +{ +#if (KERNEL_VERSION(4, 5, 0) > LINUX_VERSION_CODE) + mutex_unlock(&phydev->bus->mdio_lock); +#else + mutex_unlock(&phydev->mdio.bus->mdio_lock); +#endif +} +#endif + +#if (KERNEL_VERSION(4, 16, 0) > LINUX_VERSION_CODE) +static inline int __phy_read(struct phy_device *phydev, u32 regnum) +{ +#if (KERNEL_VERSION(4, 5, 0) > LINUX_VERSION_CODE) + struct mii_bus *bus = phydev->bus; + int addr = phydev->addr; + return bus->read(bus, phydev->addr, regnum); +#else + struct mii_bus *bus = phydev->mdio.bus; + int addr = phydev->mdio.addr; +#endif + return bus->read(bus, addr, regnum); +} + +static inline int __phy_write(struct phy_device *phydev, u32 regnum, u16 val) +{ +#if (KERNEL_VERSION(4, 5, 0) > LINUX_VERSION_CODE) + struct mii_bus *bus = phydev->bus; + int addr = phydev->addr; +#else + struct mii_bus *bus = phydev->mdio.bus; + int addr = phydev->mdio.addr; +#endif + return bus->write(bus, addr, regnum, val); +} +#endif + +static int ytphy_read_ext(struct phy_device *phydev, u32 regnum) +{ + int ret; + + phy_lock_mdio_bus(phydev); + ret = __phy_write(phydev, REG_DEBUG_ADDR_OFFSET, regnum); + if (ret < 0) + goto err_handle; + + ret = __phy_read(phydev, REG_DEBUG_DATA); + if (ret < 0) + goto err_handle; + +err_handle: + phy_unlock_mdio_bus(phydev); + return ret; +} + +static int ytphy_write_ext(struct phy_device *phydev, u32 regnum, u16 val) +{ + int ret; + + phy_lock_mdio_bus(phydev); + ret = __phy_write(phydev, REG_DEBUG_ADDR_OFFSET, regnum); + if (ret < 0) + goto err_handle; + + ret = __phy_write(phydev, REG_DEBUG_DATA, val); + if (ret < 0) + goto err_handle; + +err_handle: + phy_unlock_mdio_bus(phydev); + return ret; +} + + +static int phy_yt8512c_led_fixup(struct phy_device *phydev) +{ + int ret; + int val; + int mask; + printk("-------------------------%s in.\n", __func__); + val = ytphy_read_ext(phydev, YT8512_EXTREG_LED0); //GREEN + printk("--------------------YT8512_EXTREG_LED0 read val is %d.\n",val); //785 = 0x311; + if (val < 0) + return val; + //need set 0x30 + val |= YT8512_LED0_ACT_BLK_IND; + mask = YT8512_LED0_DIS_LED_AN_TRY | YT8512_LED0_BT_BLK_EN | + YT8512_LED0_HT_BLK_EN | YT8512_LED0_COL_BLK_EN | + YT8512_LED0_BT_ON_EN; + val &= ~mask; + printk("--------------------YT8512_EXTREG_LED0 write val is %d.\n",val); //800 = 0x320 + ret = ytphy_write_ext(phydev, YT8512_EXTREG_LED0, 0x30); + if (ret < 0) + return ret; + val = ytphy_read_ext(phydev, YT8512_EXTREG_LED1); //YELLOW + printk("--------------------YT8512_EXTREG_LED1 read val is %d.\n",val); + if (val < 0) + return val; + //need set LED1 0x1300 + val |= YT8512_LED1_BT_ON_EN; + mask = YT8512_LED1_TXACT_BLK_EN | YT8512_LED1_RXACT_BLK_EN; + val &= ~mask; + printk("--------------------YT8512_EXTREG_LED1 write val is %d.\n",val); + ret = ytphy_write_ext(phydev, YT8512_EXTREG_LED1, 0x1300); + return ret; +} /** * stmmac_dvr_probe @@ -4463,7 +4594,10 @@ int stmmac_dvr_probe(struct device *device, netdev_warn(priv->dev, "%s: failed debugFS registration\n", __func__); #endif - +ret = phy_register_fixup_for_uid(YT8512C_PHY_ID, 0xffffffff, phy_yt8512c_led_fixup); +if (ret){ + printk("Cannot register PHY board fixup.\n"); + } return ret; error_netdev_register: