设备树资源如下
fb@4d000000 {
compatible = "jz2440,lcd";
reg = <0x4d000000 0x60>;
interrupts = <0x0 0x0 0x10 0x3>;
clocks = <0x2 0x20>;
clock-names = "lcd";
pinctrl-names = "default";
pinctrl-0 = <0x8 0x9 0xa>;
status = "okay";
lcdcon5 = <0xb09>;
type = <0x60>;
width = [01 e0];
height = [01 10];
pixclock = <0x186a0>;
xres = [01 e0];
yres = [01 10];
bpp = [00 10];
left_margin = [00 02];
right_margin = [00 02];
hsync_len = [00 29];
upper_margin = [00 02];
lower_margin = [00 02];
vsync_len = [00 0a];
};
1.设置资源匹配属性
使用of_property_read_u32根据属性名字读取结点存入参数结构体
