转接芯片 lvds 转 edp NCS8801
// ncs8801s
&i2c4 {
status = "okay";
NCS8801@70{
compatible = "ztl,ncs8801";
reg = <0x70>;
edp_gpio_rstb = <&gpio5 18 GPIO_ACTIVE_HIGH>;
edp_gpio_pwd = <&gpio5 19 IRQ_TYPE_LEVEL_LOW>;
status="okay";
};
};
&lvds_in_vopl {
status = "okay";
};
&lvds_in_vopb {
status = "disabled";
};
&route_lvds {
status = "display";
};
&lvds {
status = "okay";
};
&lvds_panel {
status = "okay";
compatible ="simple-panel";
backlight = <&backlight>;
bus-format =
-- 可视 -- 1,0-1 顶端
{0x70,0x0f,0x01},
{0x70,0x00,0x00},
{0x70,0x02,0x05},
{0x70,0x03,0x03},
{0x70,0x07,0xc2},
// ncs8801s
&i2c4 {
status = "okay";
NCS8801@70{
compatible = "ztl,ncs8801";
reg = <0x70>;
edp_gpio_rstb = <&gpio5 18 GPIO_ACTIVE_HIGH>;
edp_gpio_pwd = <&gpio5 19 IRQ_TYPE_LEVEL_LOW>;
status="okay";
};
};
&lvds_in_vopl {
status = "okay";
};
&lvds_in_vopb {
status = "disabled";
};
&route_lvds {
status = "display";
};
&lvds {
status = "okay";
};
&lvds_panel {
status = "okay";
compatible ="simple-panel";
backlight = <&backlight>;
bus-format =
-- 可视 -- 1,0-1 顶端
hactive = <1280>;
vactive = <800>;
hfront-porch = <40>;
hsync-len = <3>;
hback-porch = <120>;
vfront-porch = <4>;
vsync-len = <8>;
vback-porch = <8>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <0>;
pixelclk-active = <0>;
};
timing_edp1: timing1 {
clock-frequency = <72300000>;
hactive = <1366>;
vactive = <768>;
hfront-porch = <70>;
hsync-len = <83>;
hback-porch = <80>;
vfront-porch = <19>;
vsync-len = <3>;
vback-porch = <3>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <0>;
pixelclk-active = <0>;
};
};
};
#endif
&hdmi{
status = "disabled";
};
NCS8801 NcsArray[]={
/*
{0x70, 0x0f, 0x01},
{0x70, 0x00, 0x00},
//{0x70, 0x02, 0x07},
{0x70, 0x02, 0x25},
{0x70, 0x03, 0x03},
{0x70, 0x07, 0xc2},
{0x70, 0x09, 0x01},
{0x70, 0x0b, 0x31},
//{0x70, 0x0c, 0xff},
//{0x70, 0x0d, 0x00},
//{0x70, 0x0e, 0x00},
{0x70, 0x10, 0x08},
{0x70, 0x11, 0x98},
{0x70, 0x12, 0x00},
{0x70, 0x13, 0xc0},
{0x70, 0x14, 0x07},
{0x70, 0x15, 0x80},
{0x70, 0x16, 0x04},
{0x70, 0x17, 0x65},
{0x70, 0x18, 0x00},
{0x70, 0x19, 0x29},
{0x70, 0x1a, 0x04},
{0x70, 0x1b, 0x38},
{0x70, 0x1c, 0x00},
{0x70, 0x1d, 0x2c},
{0x70, 0x1e, 0x00},
{0x70, 0x1f, 0x05},
{0x70, 0x60, 0x00},
{0x70, 0x70, 0x00},
{0x70, 0x71, 0x01},
{0x70, 0x73, 0x80},
{0x70, 0x74, 0x20},
{0x75, 0x00, 0xb0},
{0x75, 0x84, 0x10},
{0x75, 0x85, 0x32},
{0x75, 0x01, 0x00},
{0x75, 0x02, 0x5c},
{0x75, 0x0b, 0x4c},
{0x75, 0x0e, 0x06},
{0x75, 0x0f, 0x06},
{0x75, 0x11, 0x88},
{0x75, 0x22, 0x04},
{0x75, 0x23, 0xf8},
{0x75, 0x00, 0xb1},
{0x70, 0x0f, 0x00}
*/
{0x70,0x0f,0x01},
{0x70,0x00,0x00},
{0x70,0x02,0x05},
{0x70,0x03,0x03},
{0x70,0x07,0xc2},
{0x70,0x09,0x01},
{0x70,0x0b,0x00},
{0x70,0x10,0x08},
{0x70,0x11,0x5e},
{0x70,0x12,0x00},
{0x70,0x13,0xae},
{0x70,0x14,0x07},
{0x70,0x15,0x80},
{0x70,0x16,0x04},
{0x70,0x17,0x4c},
{0x70,0x18,0x00},
{0x70,0x19,0x11},
{0x70,0x1a,0x04},
{0x70,0x1b,0x38},
{0x70,0x1c,0x80},
{0x70,0x1d,0x20},
{0x70,0x1e,0x80},
{0x70,0x1f,0x06},
{0x70,0x60,0x00},
{0x70,0x70,0x00},
{0x70,0x71,0x01},
{0x70,0x73,0x80},
{0x70,0x74,0x20},
{0x75,0x00,0xb0},
{0x75,0x84,0x10},
{0x75,0x85,0x32},
{0x75,0x01,0x00},
{0x75,0x02,0x5c},
{0x75,0x0b,0x47},
{0x75,0x0e,0x06},
{0x75,0x0f,0x06},
{0x75,0x11,0x88},
{0x75,0x22,0x04},
{0x75,0x23,0xf8},
{0x75,0x00,0xb1},
{0x70,0x0f,0x00}
};
#endif
/******************* Arctan add ********************/
#define ZTL_I2C_DEMO_NAME "ztl_ncs8801"
#define SET_IIC_ADDR 0x30>>1
static const unsigned short normal_i2c[] = {
SET_IIC_ADDR, I2C_CLIENT_END};
static const struct i2c_device_id i2c_ncs8801_id[] = {
{ZTL_I2C_DEMO_NAME, 0 },
{}
};
static struct of_device_id ztl_ncs8801_ids[] = {
{.compatible = "ztl,ncs8801"},
{}
};
MODULE_DEVICE_TABLE(i2c, i2c_ncs8801_id);
/*
inline static int read_reg(struct i2c_client *client, char *reg,char *buf,int length,int datalen)
{
// int ret = 0;
DEBUG("Arctan : send %d \n",datalen);
i2c_master_send(client, reg, datalen);
msleep(10);
return i2c_master_recv(client, buf, length);
}
inline static int write_i2c(struct i2c_client *client,uchar addr,uchar* buf,int length){
char write_buf[257] ;
write_buf[0] = addr;
memcpy(write_buf+1,buf,length);
return i2c_master_send(client,write_buf,length+1);
}
*/
static void ztl_edp_gpio_init(struct i2c_client *client){
//struct device *dev = client->dev;
struct device_node *np = client ->dev.of_node;
int gpio_rstb = of_get_named_gpio(np,"edp_gpio_rstb",0);
int gpio_pwd = of_get_named_gpio(np,"edp_gpio_pwd",0);
printk("ztl gpio rstb %d,gpio pwd %d \n",gpio_rstb,gpio_pwd);
if(!gpio_is_valid(gpio_rstb)||!gpio_is_valid(gpio_pwd)){
printk("ztl get gpio is not valid\n");
}
gpio_direction_output(gpio_pwd,0);
usleep_range(1000,2000);
gpio_direction_output(gpio_rstb,1);
}
static int i2c_ncs8801_probe(struct i2c_client *new_client,
const struct i2c_device_id *id){
int i = 0;
char sendBuf[10] = {0};
int sendLength = 0;
int i2c_addr = new_client->addr;
int ArrayLength = sizeof(NcsArray);
int StructSize = sizeof(struct NCS8801);
printk("ztl ---i2c_addr %d \n",i2c_addr);
printk( "ztl ---i2c_ncs8801_probe %d,%d,%d\n",ArrayLength,StructSize,ArrayLength/StructSize);
//
ztl_edp_gpio_init(new_client);
for(i=0;i
new_client->addr = NcsArray[i].i2c_address;
sendBuf[0] = NcsArray[i].cmd;
sendBuf[1] = NcsArray[i].data;
sendLength = 2;
if(2!=i2c_master_send(new_client,sendBuf,sendLength)){
DEBUG("ztl send I2c faild %d\n",i);
}
}
return 0;
}
static int i2c_ncs8801_remove(struct i2c_client *client)
{
DEBUG( " i2c_ncs8801_remove\n");
return 0;
}
static struct i2c_driver i2c_ncs8801_driver = {
.driver = {
.name = ZTL_I2C_DEMO_NAME,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(ztl_ncs8801_ids),
},
.probe = i2c_ncs8801_probe,
.remove = i2c_ncs8801_remove,
.id_table =i2c_ncs8801_id,
};
static int __init ztl_NCS8801_init(void){
DEBUG("ztl ztl_NCS8801_init2\n");
return i2c_add_driver(&i2c_ncs8801_driver);
}
static void __exit ztl_NCS8801_exit(void){
i2c_del_driver(&i2c_ncs8801_driver);
}
module_init(ztl_NCS8801_init);
module_exit(ztl_NCS8801_exit);
/******************* end Arctan add ****************/