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hi3516cv610 sdio1 接tf卡座 设备树需要怎么配置?
我是用了sdio1 接了tf 卡座,现在sdio1 不识别设备
我的sdio1 的设备配置启动后有个解析错误:sdhci_nebula 10040000.SDIO1: parse comm dt failed.
设备树sdio1 节点:
&sdio1 {
/delete-property/ no-mmc;
/delete-property/ no-sdio;
status = “okay”;
bus-width = <4>;
cap-sd-highspeed;
full-pwr-cycle;
max-frequency = <50000000>;
/ 保守地把 pinctrl 指向已存在的 ioconfig1(如果编译时报错再换) /
pinctrl-0 = <&ioconfig1>;
pinctrl-names = “default”;
/ 保留原来的 cd-gpios(已在运行系统解析为 gpio_chip@11097000) /
cd-gpios = <&gpio_chip7 5 GPIO_ACTIVE_HIGH>;
};
启动后内核日志:查询 dmesg | grep -i “sdhci|mmc|gpio”后输出日志如下:
~ # dmesg | grep -i “sdhci|mmc|gpio”
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
mmc0: SDHCI controller on 10030000.SDIO [10030000.SDIO] using ADMA
sdhci_nebula 10040000.SDIO1: parse comm dt failed.
sdhci_nebula 10040000.SDIO1: parse comm dt failed
pl061_gpio 11090000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11091000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11092000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11093000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11094000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11095000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11096000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11097000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11098000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 11099000.gpio_chip: PL061 GPIO chip registered
pl061_gpio 1109a000.gpio_chip: PL061 GPIO chip registered
sdhci_nebula 10040000.SDIO1: Got CD GPIO
mmc0: new high speed SDIO card at address f155
mmc1: SDHCI controller on 10040000.SDIO1 [10040000.SDIO1] using ADMA
tf卡原理图
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