rk gps: add soc gps board level code

diff --git a/arch/arm/mach-rk3026/board-rk3028a-tb.c b/arch/arm/mach-rk3026/board-rk3028a-tb.c
index eea778b56b6b9f2cd8fe5a92133818f0546d0f2c..f16a857aa9732d6453af54332bf8ccf0532cc55f 100755 (executable)
--- a/arch/arm/mach-rk3026/board-rk3028a-tb.c
+++ b/arch/arm/mach-rk3026/board-rk3028a-tb.c
@@ -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();
 }