Author: manu Date: Wed Jan 8 11:29:22 2020 New Revision: 356485 URL: https://svnweb.freebsd.org/changeset/base/356485
Log: rk808: Add min/max for the switch regulators The two switch regulator are always 3.0V. Add a special case in get_voltage that if min=max we directly return the value without calculating it. Reviewed by: mmel Differential Revision: https://reviews.freebsd.org/D23004 Modified: head/sys/arm64/rockchip/rk805.c Modified: head/sys/arm64/rockchip/rk805.c ============================================================================== --- head/sys/arm64/rockchip/rk805.c Wed Jan 8 10:06:32 2020 (r356484) +++ head/sys/arm64/rockchip/rk805.c Wed Jan 8 11:29:22 2020 (r356485) @@ -204,6 +204,7 @@ static struct rk805_regdef rk808_regdefs[] = { .voltage_nstep = 64, }, { + /* BUCK3 voltage is calculated based on external resistor */ .id = RK805_DCDC3, .name = "DCDC_REG3", .enable_reg = RK805_DCDC_EN, @@ -322,12 +323,16 @@ static struct rk805_regdef rk808_regdefs[] = { .name = "SWITCH_REG1", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x20, + .voltage_min = 3000000, + .voltage_max = 3000000, }, { .id = RK808_SWITCH2, .name = "SWITCH_REG2", .enable_reg = RK805_DCDC_EN, .enable_mask = 0x40, + .voltage_min = 3000000, + .voltage_max = 3000000, }, }; @@ -449,6 +454,11 @@ rk805_regnode_get_voltage(struct regnode *regnode, int uint8_t val; sc = regnode_get_softc(regnode); + + if (sc->def->voltage_min == sc->def->voltage_max) { + *uvolt = sc->def->voltage_min; + return (0); + } if (!sc->def->voltage_step) return (ENXIO); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
