+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
*
*
* The axp152 & axp209 use an i2c bus, the axp221 uses the p2wi bus and the
* axp223 uses the rsb bus, these functions abstract this.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
p2wi_init();
ret = p2wi_change_to_p2wi_mode(AXP221_CHIP_ADDR, AXP221_CTRL_ADDR,
AXP221_INIT_DATA);
+# elif defined CONFIG_MACH_SUN8I_R40
+ /* Nothing. R40 uses the AXP221s in I2C mode */
+ ret = 0;
# else
ret = rsb_init();
if (ret)
#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
# ifdef CONFIG_MACH_SUN6I
return p2wi_read(reg, data);
+# elif defined CONFIG_MACH_SUN8I_R40
+ return i2c_read(AXP209_I2C_ADDR, reg, 1, data, 1);
# else
return rsb_read(AXP223_RUNTIME_ADDR, reg, data);
# endif
#elif defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
# ifdef CONFIG_MACH_SUN6I
return p2wi_write(reg, data);
+# elif defined CONFIG_MACH_SUN8I_R40
+ return i2c_write(AXP209_I2C_ADDR, reg, 1, &data, 1);
# else
return rsb_write(AXP223_RUNTIME_ADDR, reg, data);
# endif
if (ret)
return ret;
+ if ((val & bits) == bits)
+ return 0;
+
val |= bits;
return pmic_bus_write(reg, val);
}
if (ret)
return ret;
+ if (!(val & bits))
+ return 0;
+
val &= ~bits;
return pmic_bus_write(reg, val);
}