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Hello Everyone,
My company has made a custom board based on imx6ul for EFTPOS applications. We are using 1MW module in our product. Our interface is SDIO based. Schematic is as below.
I get the following error after bootup.
root@imx6:~# dmesg | grep brcmfmac
root@imx6ulevk:~# dmesg | grep brcm
[ 3.111520] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 3.197038] brcmfmac mmc1:0001:1: direct-loading brcm/brcmfmac43455-sdio.bin
[ 3.250556] brcmfmac mmc1:0001:1: direct-loading brcm/brcmfmac43455-sdio.txt
[ 4.289794] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50
[ 5.299965] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50
device tree is as follows:
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
wlreg_on: fixedregulator@100 {
compatible = "regulator-fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "wlreg_on";
gpio = <&pca9535_0 0 GPIO_ACTIVE_HIGH>;
startup-delay-us = <100>;
enable-active-high;
};
};
&usdhc1 {
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_wifi>;
pinctrl-1 = <&pinctrl_wifi_100mhz>;
pinctrl-2 = <&pinctrl_wifi_200mhz>;
bus-width = <4>;
non-removable;
vmmc-supply = <&wlreg_on>;
vqmmc-1-8-v;
pm-ignore-notify;
wifi-host;
status = "okay";
brcmf: bcrmf@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
interrupt-parent = <&gpio3>;
interrupts = ❤️ IRQ_TYPE_LEVEL_LOW>;
interrupt-names = "host-wake";
};
};
pinctrl_wifi: wifigrp {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17019
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10029
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17019
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17019
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17019
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17019
MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x50 //host wake interrupt
>;
};
pinctrl_wifi_100mhz: wifigrp1 {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10069
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x50
>;
};
pinctrl_wifi_200mhz: wifigrp2 {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170d9
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100e9
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170d9
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170d9
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170d9
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170d9
MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x50
>;
};
I checked my /lib/firmware/brcm folder as well,
root@imx6:~# ls /lib/firmware/brcm/
brcmfmac4339-sdio.bin brcmfmac43455-sdio.bin brcmfmac43455-sdio.txt
brcmfmac4339-sdio.txt brcmfmac43455-sdio.clm_blob
Binaries are present.
Could someone please help me to understand if anything is missing? Your help is much appreciated.
My bsp:
Linux imx6ulevk 4.19.35-04770-ge5eda1f8cba7-dirty
Regards,
Asma
Solved! Go to Solution.
- Tags:
- imx6ul
- murata 1mw
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Could you please mention where have you connected the LPO_IN pin (PIN30 in 1MW module)? Was a formal schematic review done by Murata for the custom board?
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Could you please mention where have you connected the LPO_IN pin (PIN30 in 1MW module)? Was a formal schematic review done by Murata for the custom board?
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Thank you RaktimR_11 for reply.
I was hardware issue with crystal which is resolved now and wifi is working.