X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fpower%2Ftwl4030.c;h=7f1fdd1534c079638d16f2e8967ad0b4571276e0;hb=72a38e06a20129209eaa0e5211cbf50b192de688;hp=e7d5f132b2bccb037de256ec005260ddc026c2e5;hpb=dfe361098df1e5acac30b53b7c5304cc9251013a;p=u-boot diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c index e7d5f132b2..7f1fdd1534 100644 --- a/drivers/power/twl4030.c +++ b/drivers/power/twl4030.c @@ -2,20 +2,7 @@ * Copyright (c) 2009 Wind River Systems, Inc. * Tom Rix * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ * * twl4030_power_reset_init is derived from code on omapzoom, * git://git.omapzoom.com/repo/u-boot.git @@ -34,7 +21,6 @@ * Derived from Beagle Board and 3430 SDP code by * Richard Woodruff * Syed Mohammed Khasim - * */ #include @@ -45,14 +31,14 @@ void twl4030_power_reset_init(void) { u8 val = 0; - if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, &val, - TWL4030_PM_MASTER_P1_SW_EVENTS)) { + if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, + TWL4030_PM_MASTER_P1_SW_EVENTS, &val)) { printf("Error:TWL4030: failed to read the power register\n"); printf("Could not initialize hardware reset\n"); } else { val |= TWL4030_PM_MASTER_SW_EVENTS_STOPON_PWRON; - if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, val, - TWL4030_PM_MASTER_P1_SW_EVENTS)) { + if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, + TWL4030_PM_MASTER_P1_SW_EVENTS, val)) { printf("Error:TWL4030: failed to write the power register\n"); printf("Could not initialize hardware reset\n"); } @@ -68,8 +54,8 @@ void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val, int ret; /* Select the Voltage */ - ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val, - vsel_reg); + ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_reg, + vsel_val); if (ret != 0) { printf("Could not write vsel to reg %02x (%d)\n", vsel_reg, ret); @@ -77,8 +63,8 @@ void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val, } /* Select the Device Group (enable the supply if dev_grp_sel != 0) */ - ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel, - dev_grp); + ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp, + dev_grp_sel); if (ret != 0) printf("Could not write grp_sel to reg %02x (%d)\n", dev_grp, ret); @@ -105,11 +91,23 @@ void twl4030_power_init(void) TWL4030_PM_RECEIVER_DEV_GRP_P1); } -void twl4030_power_mmc_init(void) +void twl4030_power_mmc_init(int dev_index) { - /* Set VMMC1 to 3.15 Volts */ - twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC1_DEDICATED, - TWL4030_PM_RECEIVER_VMMC1_VSEL_32, - TWL4030_PM_RECEIVER_VMMC1_DEV_GRP, - TWL4030_PM_RECEIVER_DEV_GRP_P1); + if (dev_index == 0) { + /* Set VMMC1 to 3.15 Volts */ + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC1_DEDICATED, + TWL4030_PM_RECEIVER_VMMC1_VSEL_32, + TWL4030_PM_RECEIVER_VMMC1_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); + + mdelay(100); /* ramp-up delay from Linux code */ + } else if (dev_index == 1) { + /* Set VMMC2 to 3.15 Volts */ + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VMMC2_DEDICATED, + TWL4030_PM_RECEIVER_VMMC2_VSEL_32, + TWL4030_PM_RECEIVER_VMMC2_DEV_GRP, + TWL4030_PM_RECEIVER_DEV_GRP_P1); + + mdelay(100); /* ramp-up delay from Linux code */ + } }