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rk gps: add soc gps board level code

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hhb
2013-08-06 18:33:47 +08:00
parent a672372186
commit e350cd591a
1 changed files with 116 additions and 0 deletions
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116
arch/arm/mach-rk3026/board-rk3028a-tb.c
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@@ -59,6 +59,10 @@
#include "../../../drivers/video/rockchip/hdmi/rk_hdmi.h"
#endif
#if defined(CONFIG_GPS_RK)
#include "../../../drivers/misc/gps/rk_gps/rk_gps.h"
#endif
#include "board-rk3026-tb-camera.c"
/***********************************************************
@@ -1024,6 +1028,111 @@ void __sramfunc board_pmu_resume(void)
#endif
}
#if defined(CONFIG_GPS_RK)
#define GPS_OSCEN_PIN RK2928_PIN1_PB0
#define GPS_RXEN_PIN RK2928_PIN1_PB0
int rk_gps_io_init(void)
{
printk("%s \n", __FUNCTION__);
gpio_request(GPS_OSCEN_PIN, NULL);
gpio_direction_output(GPS_OSCEN_PIN, GPIO_LOW);
iomux_set(GPS_CLK);//GPS_CLK
iomux_set(GPS_MAG);//GPS_MAG
iomux_set(GPS_SIGN);//GPS_SIGN
#if 0
gpio_request(RK30_PIN1_PA6, NULL);
gpio_direction_output(RK30_PIN1_PA6, GPIO_LOW);
gpio_request(RK30_PIN1_PA5, NULL);
gpio_direction_output(RK30_PIN1_PA5, GPIO_LOW);
gpio_request(RK30_PIN1_PA7, NULL);
gpio_direction_output(RK30_PIN1_PA7, GPIO_LOW);
#endif
return 0;
}
int rk_gps_power_up(void)
{
printk("%s \n", __FUNCTION__);
return 0;
}
int rk_gps_power_down(void)
{
printk("%s \n", __FUNCTION__);
return 0;
}
int rk_gps_reset_set(int level)
{
return 0;
}
int rk_enable_hclk_gps(void)
{
struct clk *gps_aclk = NULL;
gps_aclk = clk_get(NULL, "aclk_gps");
if(gps_aclk) {
clk_enable(gps_aclk);
clk_put(gps_aclk);
printk("%s \n", __FUNCTION__);
}
else
printk("get gps aclk fail\n");
return 0;
}
int rk_disable_hclk_gps(void)
{
struct clk *gps_aclk = NULL;
gps_aclk = clk_get(NULL, "aclk_gps");
if(gps_aclk) {
//TO wait long enough until GPS ISR is finished.
msleep(5);
clk_disable(gps_aclk);
clk_put(gps_aclk);
printk("%s \n", __FUNCTION__);
}
else
printk("get gps aclk fail\n");
return 0;
}
struct rk_gps_data rk_gps_info = {
.io_init = rk_gps_io_init,
.power_up = rk_gps_power_up,
.power_down = rk_gps_power_down,
.reset = rk_gps_reset_set,
.enable_hclk_gps = rk_enable_hclk_gps,
.disable_hclk_gps = rk_disable_hclk_gps,
.GpsSign = RK2928_PIN1_PA5,
.GpsMag = RK2928_PIN1_PA4, //GPIO index
.GpsClk = RK2928_PIN1_PA2, //GPIO index
.GpsVCCEn = GPS_OSCEN_PIN, //GPIO index
#if 0
.GpsSpi_CSO = RK30_PIN1_PA4, //GPIO index
.GpsSpiClk = RK30_PIN1_PA5, //GPIO index
.GpsSpiMOSI = RK30_PIN1_PA7, //GPIO index
#endif
.GpsIrq = IRQ_GPS,
.GpsSpiEn = 0,
.GpsAdcCh = 2,
.u32GpsPhyAddr = RK2928_GPS_PHYS,
.u32GpsPhySize = RK2928_GPS_SIZE,
};
struct platform_device rk_device_gps = {
.name = "gps_hv5820b",
.id = -1,
.dev = {
.platform_data = &rk_gps_info,
}
};
#endif
/***********************************************************
* i2c
************************************************************/
@@ -1130,6 +1239,9 @@ static struct platform_device *devices[] __initdata = {
#ifdef CONFIG_SND_SOC_RK3026
&rk3026_codec,
#endif
#ifdef CONFIG_GPS_RK
&rk_device_gps,
#endif
};
static void rk30_pm_power_off(void)
@@ -1183,6 +1295,10 @@ static void __init rk30_reserve(void)
#ifdef CONFIG_VIDEO_RK29
rk30_camera_request_reserve_mem();
#endif
#ifdef CONFIG_GPS_RK
//it must be more than 8MB
rk_gps_info.u32MemoryPhyAddr = board_mem_reserve_add("gps", SZ_8M);
#endif
board_mem_reserved();
}