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【Android】
rk3566 jd4 android 11 ,自己底板使用gmac1 的m0组gpio出现eth0无法使用,如何解决
发表于 2022-10-24 14:35:39
浏览：5882
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回复：4
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我的phy 是 100MB,
1|:/ # ifconfig eth0 up
ifconfig: ioctl 8914: No such device
[ 73.820111] [dhd] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wdev null. Do nothing
[ 73.820184] rk_gmac-dwmac fe010000.ethernet eth0: Could not attach to PHY
[ 73.820194] rk_gmac-dwmac fe010000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
dts配置如下
rk3568-pinctrl-dtsi 无修改
rk3566-firefly-aiojd4.dtsi
&gmac1 {
status = "okay";
phy-mode = "rmii";
clock_in_out = "input";
snps,reset-gpio = <&gpio0 RK_PB7 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
/* Reset time is 20ms, 100ms for rtl8211f */
// snps,reset-delays-us = <0 20000 100000>;
// phy
snps,reset-delays-us = <0 10000 50000>;
assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>;
pinctrl-names = "default";
pinctrl-0 = <&gmac1m0_miim
&gmac1m0_tx_bus2
&gmac1m0_rx_bus2
&gmac1m0_rgmii_clk
&gmac1m0_rgmii_bus
&gmac1m0_clkinout>;
tx_delay = <0x49>;
rx_delay = <0x2d>;
phy-handle = <&rgmii_phy1>;
// status = "okay";
};
rk3568.dtsi 没修改
combphy1_usq: phy@fe830000 {
compatible = "rockchip,rk3568-naneng-combphy";
reg = <0x0 0xfe830000 0x0 0x100>;
#phy-cells = <1>;
clocks = <&pmucru CLK_PCIEPHY1_REF>, <&cru PCLK_PIPEPHY1>,
<&cru PCLK_PIPE>;
clock-names = "refclk", "apbclk", "pipe_clk";
assigned-clocks = <&pmucru CLK_PCIEPHY1_REF>;
assigned-clock-rates = <100000000>;
resets = <&cru SRST_P_PIPEPHY1>, <&cru SRST_PIPEPHY1>;
reset-names = "combphy-apb", "combphy";
rockchip,pipe-grf = <&pipegrf>;
rockchip,pipe-phy-grf = <&pipe_phy_grf1>;
status = "disabled";
};
combphy2_psq: phy@fe840000 {
compatible = "rockchip,rk3568-naneng-combphy";
reg = <0x0 0xfe840000 0x0 0x100>;
#phy-cells = <1>;
clocks = <&pmucru CLK_PCIEPHY2_REF>, <&cru PCLK_PIPEPHY2>,
<&cru PCLK_PIPE>;
clock-names = "refclk", "apbclk", "pipe_clk";
assigned-clocks = <&pmucru CLK_PCIEPHY2_REF>;
assigned-clock-rates = <100000000>;
resets = <&cru SRST_P_PIPEPHY2>, <&cru SRST_PIPEPHY2>;
reset-names = "combphy-apb", "combphy";
rockchip,pipe-grf = <&pipegrf>;
rockchip,pipe-phy-grf = <&pipe_phy_grf2>;
status = "disabled";
};
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