diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-12-18 23:12:16 +0100 |
|---|---|---|
| committer | Samuel Ortiz <samuel@sortiz.org> | 2009-01-04 12:17:42 +0100 |
| commit | 645524a9c6e1e42dc4fe03217befb20e2fc4d43e (patch) | |
| tree | f556620d6695f7257c24cc483b3b9bdde9abfca1 /drivers | |
| parent | 53a0d99b1ef14f56baec06eec1e3dad031672b3a (diff) | |
mfd: Support configurable numbers of DCDCs and ISINKs on WM8350
Some WM8350 variants have fewer DCDCs and ISINKs. Identify these at
probe and refuse to use the absent DCDCs when running on these chips.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/wm8350-core.c | 6 | ||||
| -rw-r--r-- | drivers/regulator/wm8350-regulator.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 03af3b12c02..56c363c240a 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1301,6 +1301,9 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, switch (mask_rev) { case 0: + wm8350->pmic.max_dcdc = WM8350_DCDC_6; + wm8350->pmic.max_isink = WM8350_ISINK_B; + switch (chip_rev) { case WM8350_REV_E: dev_info(wm8350->dev, "WM8350 Rev E\n"); @@ -1325,6 +1328,9 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, break; case 2: + wm8350->pmic.max_dcdc = WM8350_DCDC_6; + wm8350->pmic.max_isink = WM8350_ISINK_B; + switch (chip_rev) { case 0: dev_info(wm8350->dev, "WM8352 Rev A\n"); diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 1f44b17e23b..c68c496b2c4 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1380,6 +1380,13 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg, if (wm8350->pmic.pdev[reg]) return -EBUSY; + if (reg >= WM8350_DCDC_1 && reg <= WM8350_DCDC_6 && + reg > wm8350->pmic.max_dcdc) + return -ENODEV; + if (reg >= WM8350_ISINK_A && reg <= WM8350_ISINK_B && + reg > wm8350->pmic.max_isink) + return -ENODEV; + pdev = platform_device_alloc("wm8350-regulator", reg); if (!pdev) return -ENOMEM; |