diff options
| author | jmcneill <jmcneill@NetBSD.org> | 2017-04-22 21:47:41 +0000 |
|---|---|---|
| committer | jmcneill <jmcneill@NetBSD.org> | 2017-04-22 21:47:41 +0000 |
| commit | 2c8688644e0c35f71d4dca4e91eafce0c0556c40 (patch) | |
| tree | 919d0a2a4b53f404ac230f9357677f9f8f01298d /sys/dev/fdt | |
| parent | 2d28cc84d5be946992fd42233620fb30bbad20ab (diff) | |
Add regulator APIs for setting and getting voltage.
Diffstat (limited to 'sys/dev/fdt')
| -rw-r--r-- | sys/dev/fdt/fdt_regulator.c | 27 | ||||
| -rw-r--r-- | sys/dev/fdt/fdtvar.h | 8 |
2 files changed, 32 insertions, 3 deletions
diff --git a/sys/dev/fdt/fdt_regulator.c b/sys/dev/fdt/fdt_regulator.c index 83b41fc963e..1b5bc6f7323 100644 --- a/sys/dev/fdt/fdt_regulator.c +++ b/sys/dev/fdt/fdt_regulator.c @@ -1,4 +1,4 @@ -/* $NetBSD: fdt_regulator.c,v 1.2 2015/12/16 12:17:45 jmcneill Exp $ */ +/* $NetBSD: fdt_regulator.c,v 1.3 2017/04/22 21:47:41 jmcneill Exp $ */ /*- * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: fdt_regulator.c,v 1.2 2015/12/16 12:17:45 jmcneill Exp $"); +__KERNEL_RCSID(0, "$NetBSD: fdt_regulator.c,v 1.3 2017/04/22 21:47:41 jmcneill Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -131,3 +131,26 @@ fdtbus_regulator_disable(struct fdtbus_regulator *reg) return rc->rc_funcs->enable(rc->rc_dev, false); } + +int +fdtbus_regulator_set_voltage(struct fdtbus_regulator *reg, u_int min_uvol, + u_int max_uvol) +{ + struct fdtbus_regulator_controller *rc = reg->reg_rc; + + if (rc->rc_funcs->set_voltage == NULL) + return EINVAL; + + return rc->rc_funcs->set_voltage(rc->rc_dev, min_uvol, max_uvol); +} + +int +fdtbus_regulator_get_voltage(struct fdtbus_regulator *reg, u_int *puvol) +{ + struct fdtbus_regulator_controller *rc = reg->reg_rc; + + if (rc->rc_funcs->set_voltage == NULL) + return EINVAL; + + return rc->rc_funcs->get_voltage(rc->rc_dev, puvol); +} diff --git a/sys/dev/fdt/fdtvar.h b/sys/dev/fdt/fdtvar.h index 6e0bc50fa8e..7c4ed9bdbe4 100644 --- a/sys/dev/fdt/fdtvar.h +++ b/sys/dev/fdt/fdtvar.h @@ -1,4 +1,4 @@ -/* $NetBSD: fdtvar.h,v 1.11 2017/04/22 13:24:20 jmcneill Exp $ */ +/* $NetBSD: fdtvar.h,v 1.12 2017/04/22 21:47:41 jmcneill Exp $ */ /*- * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca> @@ -96,6 +96,8 @@ struct fdtbus_regulator_controller_func { int (*acquire)(device_t); void (*release)(device_t); int (*enable)(device_t, bool); + int (*set_voltage)(device_t, u_int, u_int); + int (*get_voltage)(device_t, u_int *); }; struct fdtbus_clock_controller_func { @@ -151,6 +153,10 @@ struct fdtbus_regulator *fdtbus_regulator_acquire(int, const char *); void fdtbus_regulator_release(struct fdtbus_regulator *); int fdtbus_regulator_enable(struct fdtbus_regulator *); int fdtbus_regulator_disable(struct fdtbus_regulator *); +int fdtbus_regulator_set_voltage(struct fdtbus_regulator *, + u_int, u_int); +int fdtbus_regulator_get_voltage(struct fdtbus_regulator *, + u_int *); struct clk * fdtbus_clock_get(int, const char *); struct clk * fdtbus_clock_get_index(int, u_int); |
