Hi fsl
in imx6ul-14x14-ddr3-arm2.dts
sii902x config:
sii902x_reset: sii902x-reset {
compatible = "gpio-reset";
reset-gpios = <&gpio1 23 0>;
reset-delay-us = <2000000>;
#reset-cells = <0>;
};
&i2c2 {
clock_frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
sii902x@39 {
compatible = "SiI,sii902x";
reg = <0x39>;
interrupt-parent = <&gpio1>;
interrupts = <18 2>;
mode_str ="1024x768M@60";
bits-per-pixel = <16>;
resets = <&sii902x_reset>;
};
};
i2c pin config:
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6UL_PAD_GPIO1_IO03__I2C1_SDA 0x4001b8b1
MX6UL_PAD_GPIO1_IO02__I2C1_SCL 0x4001b8b1
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6UL_PAD_CSI_HSYNC__I2C2_SCL 0x4001b8b0
MX6UL_PAD_CSI_VSYNC__I2C2_SDA 0x4001b8b0
>;
};
system log print:
sii902x 1-0039: Sii902x: cound not find device
the drivers/video/mxc/mxsfb_sii902x.c
/* Set 902x in hardware TPI mode on and jump out of D3 state */
if (i2c_smbus_write_byte_data(sii902x.client, 0xc7, 0x00) < 0) {
dev_err(&sii902x.client->dev,
" Sii902x: cound not find device\n");
return -ENODEV;
}
hardware test power supply reset were normal
can you give some advice
tks!
