diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-04 14:51:49 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-04 14:51:49 +0000 |
| commit | 2fb20e2e35cd1455d022ab7a553d7f1663ffbdeb (patch) | |
| tree | 4b3bb0f76c15264fe7d4cced91127f3d96ff31f5 /drivers/mfd/rts5229.c | |
| parent | 9cb543124a2d31af42ce61a4c30765ecc8e5f1fa (diff) | |
| parent | 5b91ab0abc957145c3ff6be03eb9a3901797019f (diff) | |
Merge branch 'for-rmk/broadcast' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Diffstat (limited to 'drivers/mfd/rts5229.c')
| -rw-r--r-- | drivers/mfd/rts5229.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c index b9dbab266fda..29d889cbb9c5 100644 --- a/drivers/mfd/rts5229.c +++ b/drivers/mfd/rts5229.c @@ -114,6 +114,25 @@ static int rts5229_card_power_off(struct rtsx_pcr *pcr, int card) return rtsx_pci_send_cmd(pcr, 100); } +static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); + if (err < 0) + return err; + } else if (voltage == OUTPUT_1V8) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); + if (err < 0) + return err; + } else { + return -EINVAL; + } + + return 0; +} + static const struct pcr_ops rts5229_pcr_ops = { .extra_init_hw = rts5229_extra_init_hw, .optimize_phy = rts5229_optimize_phy, @@ -123,7 +142,9 @@ static const struct pcr_ops rts5229_pcr_ops = { .disable_auto_blink = rts5229_disable_auto_blink, .card_power_on = rts5229_card_power_on, .card_power_off = rts5229_card_power_off, + .switch_output_voltage = rts5229_switch_output_voltage, .cd_deglitch = NULL, + .conv_clk_and_div_n = NULL, }; /* SD Pull Control Enable: |