]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/power/axp221.c
arm: mxs: ocotp: disable OCOTP clock after access is finished
[karo-tx-uboot.git] / drivers / power / axp221.c
index 3e07f23c20c621ba9cbfc101d788462aed93026d..7bbaec87e455947788a66fcfedd665fb52217544 100644 (file)
 
 #include <common.h>
 #include <errno.h>
-#include <asm/arch/p2wi.h>
-#include <asm/arch/rsb.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pmic_bus.h>
 #include <axp221.h>
 
-/*
- * The axp221 uses the p2wi bus, the axp223 is identical (for all registers
- * used sofar) but uses the rsb bus. These functions abstract this.
- */
-static int pmic_bus_init(void)
-{
-#ifdef CONFIG_MACH_SUN6I
-       p2wi_init();
-       return p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
-                                       AXP221_INIT_DATA);
-#else
-       int ret;
-
-       ret = rsb_init();
-       if (ret)
-               return ret;
-
-       return rsb_set_device_address(AXP223_DEVICE_ADDR, AXP223_RUNTIME_ADDR);
-#endif
-}
-
-static int pmic_bus_read(const u8 addr, u8 *data)
-{
-#ifdef CONFIG_MACH_SUN6I
-       return p2wi_read(addr, data);
-#else
-       return rsb_read(AXP223_RUNTIME_ADDR, addr, data);
-#endif
-}
-
-static int pmic_bus_write(const u8 addr, u8 data)
-{
-#ifdef CONFIG_MACH_SUN6I
-       return p2wi_write(addr, data);
-#else
-       return rsb_write(AXP223_RUNTIME_ADDR, addr, data);
-#endif
-}
-
 static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
 {
        if (mvolt < min)
@@ -65,52 +26,26 @@ static u8 axp221_mvolt_to_cfg(int mvolt, int min, int max, int div)
        return (mvolt - min) / div;
 }
 
-static int axp221_setbits(u8 reg, u8 bits)
-{
-       int ret;
-       u8 val;
-
-       ret = pmic_bus_read(reg, &val);
-       if (ret)
-               return ret;
-
-       val |= bits;
-       return pmic_bus_write(reg, val);
-}
-
-static int axp221_clrbits(u8 reg, u8 bits)
-{
-       int ret;
-       u8 val;
-
-       ret = pmic_bus_read(reg, &val);
-       if (ret)
-               return ret;
-
-       val &= ~bits;
-       return pmic_bus_write(reg, val);
-}
-
 int axp221_set_dcdc1(unsigned int mvolt)
 {
        int ret;
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 1600, 3400, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_DCDC1_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_DCDC1_EN);
 
        ret = pmic_bus_write(AXP221_DCDC1_CTRL, cfg);
        if (ret)
                return ret;
 
-       ret = axp221_setbits(AXP221_OUTPUT_CTRL2,
-                            AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
+       ret = pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+                              AXP221_OUTPUT_CTRL2_DCDC1SW_EN);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_DCDC1_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_DCDC1_EN);
 }
 
 int axp221_set_dcdc2(unsigned int mvolt)
@@ -119,15 +54,15 @@ int axp221_set_dcdc2(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_DCDC2_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_DCDC2_EN);
 
        ret = pmic_bus_write(AXP221_DCDC2_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_DCDC2_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_DCDC2_EN);
 }
 
 int axp221_set_dcdc3(unsigned int mvolt)
@@ -136,15 +71,15 @@ int axp221_set_dcdc3(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1860, 20);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_DCDC3_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_DCDC3_EN);
 
        ret = pmic_bus_write(AXP221_DCDC3_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_DCDC3_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_DCDC3_EN);
 }
 
 int axp221_set_dcdc4(unsigned int mvolt)
@@ -153,15 +88,15 @@ int axp221_set_dcdc4(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_DCDC4_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_DCDC4_EN);
 
        ret = pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_DCDC4_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_DCDC4_EN);
 }
 
 int axp221_set_dcdc5(unsigned int mvolt)
@@ -170,15 +105,15 @@ int axp221_set_dcdc5(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_DCDC5_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_DCDC5_EN);
 
        ret = pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_DCDC5_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_DCDC5_EN);
 }
 
 int axp221_set_dldo1(unsigned int mvolt)
@@ -187,15 +122,15 @@ int axp221_set_dldo1(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL2,
-                                     AXP221_OUTPUT_CTRL2_DLDO1_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+                                       AXP221_OUTPUT_CTRL2_DLDO1_EN);
 
        ret = pmic_bus_write(AXP221_DLDO1_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL2,
-                             AXP221_OUTPUT_CTRL2_DLDO1_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+                               AXP221_OUTPUT_CTRL2_DLDO1_EN);
 }
 
 int axp221_set_dldo2(unsigned int mvolt)
@@ -204,15 +139,15 @@ int axp221_set_dldo2(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL2,
-                                     AXP221_OUTPUT_CTRL2_DLDO2_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+                                       AXP221_OUTPUT_CTRL2_DLDO2_EN);
 
        ret = pmic_bus_write(AXP221_DLDO2_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL2,
-                             AXP221_OUTPUT_CTRL2_DLDO2_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+                               AXP221_OUTPUT_CTRL2_DLDO2_EN);
 }
 
 int axp221_set_dldo3(unsigned int mvolt)
@@ -221,15 +156,15 @@ int axp221_set_dldo3(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL2,
-                                     AXP221_OUTPUT_CTRL2_DLDO3_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+                                       AXP221_OUTPUT_CTRL2_DLDO3_EN);
 
        ret = pmic_bus_write(AXP221_DLDO3_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL2,
-                             AXP221_OUTPUT_CTRL2_DLDO3_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+                               AXP221_OUTPUT_CTRL2_DLDO3_EN);
 }
 
 int axp221_set_dldo4(unsigned int mvolt)
@@ -238,15 +173,15 @@ int axp221_set_dldo4(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL2,
-                                     AXP221_OUTPUT_CTRL2_DLDO4_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
+                                       AXP221_OUTPUT_CTRL2_DLDO4_EN);
 
        ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL2,
-                             AXP221_OUTPUT_CTRL2_DLDO4_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
+                               AXP221_OUTPUT_CTRL2_DLDO4_EN);
 }
 
 int axp221_set_aldo1(unsigned int mvolt)
@@ -255,15 +190,15 @@ int axp221_set_aldo1(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_ALDO1_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_ALDO1_EN);
 
        ret = pmic_bus_write(AXP221_ALDO1_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_ALDO1_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_ALDO1_EN);
 }
 
 int axp221_set_aldo2(unsigned int mvolt)
@@ -272,15 +207,15 @@ int axp221_set_aldo2(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL1,
-                                     AXP221_OUTPUT_CTRL1_ALDO2_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
+                                       AXP221_OUTPUT_CTRL1_ALDO2_EN);
 
        ret = pmic_bus_write(AXP221_ALDO2_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL1,
-                             AXP221_OUTPUT_CTRL1_ALDO2_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
+                               AXP221_OUTPUT_CTRL1_ALDO2_EN);
 }
 
 int axp221_set_aldo3(unsigned int mvolt)
@@ -289,15 +224,15 @@ int axp221_set_aldo3(unsigned int mvolt)
        u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL3,
-                                     AXP221_OUTPUT_CTRL3_ALDO3_EN);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL3,
+                                       AXP221_OUTPUT_CTRL3_ALDO3_EN);
 
        ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL3,
-                             AXP221_OUTPUT_CTRL3_ALDO3_EN);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL3,
+                               AXP221_OUTPUT_CTRL3_ALDO3_EN);
 }
 
 int axp221_set_eldo(int eldo_num, unsigned int mvolt)
@@ -324,13 +259,13 @@ int axp221_set_eldo(int eldo_num, unsigned int mvolt)
        }
 
        if (mvolt == 0)
-               return axp221_clrbits(AXP221_OUTPUT_CTRL2, bits);
+               return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2, bits);
 
        ret = pmic_bus_write(addr, cfg);
        if (ret)
                return ret;
 
-       return axp221_setbits(AXP221_OUTPUT_CTRL2, bits);
+       return pmic_bus_setbits(AXP221_OUTPUT_CTRL2, bits);
 }
 
 int axp221_init(void)
@@ -384,39 +319,3 @@ int axp221_get_sid(unsigned int *sid)
 
        return 0;
 }
-
-static int axp_drivebus_setup(void)
-{
-       int ret;
-
-       ret = axp221_init();
-       if (ret)
-               return ret;
-
-       /* Set N_VBUSEN pin to output / DRIVEBUS function */
-       return axp221_clrbits(AXP221_MISC_CTRL, AXP221_MISC_CTRL_N_VBUSEN_FUNC);
-}
-
-int axp_drivebus_enable(void)
-{
-       int ret;
-
-       ret = axp_drivebus_setup();
-       if (ret)
-               return ret;
-
-       /* Set DRIVEBUS high */
-       return axp221_setbits(AXP221_VBUS_IPSOUT, AXP221_VBUS_IPSOUT_DRIVEBUS);
-}
-
-int axp_drivebus_disable(void)
-{
-       int ret;
-
-       ret = axp_drivebus_setup();
-       if (ret)
-               return ret;
-
-       /* Set DRIVEBUS low */
-       return axp221_clrbits(AXP221_VBUS_IPSOUT, AXP221_VBUS_IPSOUT_DRIVEBUS);
-}