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A22: lcd use spi0 instead of spi1, make lcd enter deep sleep in suspend

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This commit is contained in:
root
2011-07-01 02:20:33 -07:00
parent e52fc9939b
commit 4b0d245e43
3 changed files with 25 additions and 24 deletions
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2
arch/arm/configs/rk29_a22_defconfig Normal file → Executable file
View File

@@ -985,6 +985,8 @@ CONFIG_SPIM_RK29=y
CONFIG_SPIM0_RK29=y
CONFIG_SPIM1_RK29=y
CONFIG_LCD_USE_SPIM_CONTROL=y
CONFIG_LCD_USE_SPI0=y
# CONFIG_LCD_USE_SPI1 is not set
#
# SPI Protocol Masters

25
arch/arm/mach-rk29/board-rk29-a22.c
View File

@@ -180,13 +180,12 @@ struct rk29_nand_platform_data rk29_nand_data = {
* author: zyw@rock-chips.com
*****************************************************************************************/
//#ifdef CONFIG_LCD_TD043MGEA1
#define CONFIG_LCD_USE_SPI0 1
#ifdef CONFIG_LCD_USE_SPI0
#define LCD_TXD_PIN RK29_PIN2_PC2
#define LCD_CLK_PIN RK29_PIN2_PC0
#define LCD_CS_PIN RK29_PIN1_PA4
#endif
#ifdef CONFIG_LCD_USE_SPI1
#else
#define LCD_TXD_PIN RK29_PIN2_PC6
#define LCD_CLK_PIN RK29_PIN2_PC4
#define LCD_CS_PIN RK29_PIN2_PC5
@@ -209,25 +208,21 @@ static int rk29_lcd_io_init(void)
{
int ret = 0;
//printk("rk29_lcd_io_init\n");
//ret = gpio_request(LCD_RXD_PIN, NULL);
ret = gpio_request(LCD_TXD_PIN, NULL);
ret = gpio_request(LCD_CLK_PIN, NULL);
ret = gpio_request(LCD_CS_PIN, NULL);
#ifdef CONFIG_LCD_USE_SPI0
//rk29_mux_api_set(GPIO2C7_SPI1RXD_NAME,GPIO2H_GPIO2C7);
rk29_mux_api_set(GPIO2C2_SPI0TXD_NAME,GPIO2H_GPIO2C2);
rk29_mux_api_set(GPIO1A4_EMMCWRITEPRT_SPI0CS1_NAME,GPIO1L_GPIO1A4);
rk29_mux_api_set(GPIO2C0_SPI0CLK_NAME,GPIO2H_GPIO2C0);
#endif
#ifdef CONFIG_LCD_USE_SPI1
#else
//rk29_mux_api_set(GPIO2C7_SPI1RXD_NAME,GPIO2H_GPIO2C7);
rk29_mux_api_set(GPIO2C6_SPI1TXD_NAME,GPIO2H_GPIO2C6);
rk29_mux_api_set(GPIO2C5_SPI1CSN0_NAME,GPIO2H_GPIO2C5);
rk29_mux_api_set(GPIO2C4_SPI1CLK_NAME,GPIO2H_GPIO2C4);
#endif
//ret = gpio_request(LCD_RXD_PIN, NULL);
ret = gpio_request(LCD_TXD_PIN, NULL);
ret = gpio_request(LCD_CLK_PIN, NULL);
ret = gpio_request(LCD_CS_PIN, NULL);
return ret;
}
@@ -244,9 +239,7 @@ static int rk29_lcd_io_deinit(void)
rk29_mux_api_set(GPIO2C2_SPI0TXD_NAME,GPIO2H_SPI0_TXD);
rk29_mux_api_set(GPIO1A4_EMMCWRITEPRT_SPI0CS1_NAME,GPIO1L_SPI0_CSN1);
rk29_mux_api_set(GPIO2C0_SPI0CLK_NAME,GPIO2H_SPI0_CLK);
#endif
#ifdef CONFIG_LCD_USE_SPI1
#else
//rk29_mux_api_set(GPIO2C7_SPI1RXD_NAME,GPIO2H_SPI1_RXD);
rk29_mux_api_set(GPIO2C6_SPI1TXD_NAME,GPIO2H_SPI1_TXD);
rk29_mux_api_set(GPIO2C5_SPI1CSN0_NAME,GPIO2H_SPI1_CSN0);
@@ -1561,7 +1554,7 @@ struct rk_headset_pdata rk_headset_info = {
.Headset_gpio = RK29_PIN3_PA6,
.headset_in_type= HEADSET_IN_HIGH,
.Hook_gpio = RK29_PIN4_PD1,//Detection Headset--Must be set
.hook_key_code = KEY_MEDIA,
// .hook_key_code = KEY_MEDIA,
};
struct platform_device rk_device_headset = {

22
drivers/video/display/screen/lcd_nt35510.c
View File

@@ -1576,23 +1576,29 @@ extern void rk29_lcd_spim_spin_lock(void);
extern void rk29_lcd_spim_spin_unlock(void);
int standby(u8 enable) //***enable =1 means suspend, 0 means resume
{
rk29_lcd_spim_spin_lock();
//rk29_lcd_spim_spin_lock();
if(gLcd_info)
gLcd_info->io_init();
if(enable) {
WriteCommand(0X2800);
//set_backlight(0);
mdelay(100);
WriteCommand(0X1000);
WriteCommand(0X1100);
mdelay(5);
WriteCommand(0X4f00);
WriteParameter(0x01);
} else {
WriteCommand(0X1100);
mdelay(120);
WriteCommand(0X2900);
mdelay(100);
gpio_request(RK29_PIN6_PC6, NULL);
gpio_direction_output(RK29_PIN6_PC6, 1);
gpio_direction_output(RK29_PIN6_PC6, 0);
mdelay(5);
gpio_set_value(RK29_PIN6_PC6, 1);
mdelay(50);
gpio_free(RK29_PIN6_PC6);
init_nt35510();
//set_backlight(255);
//resume_nt35510();//may be fail to wake up LCD some time,so change to init lcd again
printk("%s\n",__FUNCTION__);
printk("%s\n",__FUNCTION__);printk("%s\n",__FUNCTION__);
}
if(gLcd_info)