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author | Olof Johansson <olof@lixom.net> | 2013-07-12 19:59:39 +0200 |
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committer | Olof Johansson <olof@lixom.net> | 2013-07-12 19:59:39 +0200 |
commit | f4b96f5e4ff8d86699c851c10245e102809b0331 (patch) | |
tree | f766102263bed71738431cabb4d4f6f086005cd8 /drivers/leds/leds-lp55xx-common.c | |
parent | ARM: omap2: add select of TI_PRIV_EDMA (diff) | |
parent | ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support (diff) | |
download | linux-f4b96f5e4ff8d86699c851c10245e102809b0331.tar.xz linux-f4b96f5e4ff8d86699c851c10245e102809b0331.zip |
Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to
get in before -rc1.
* tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
ARM: scu: provide inline dummy functions when SCU is not present
ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4
ARM: OMAP2+: timer: initialize before using oh_name
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Diffstat (limited to 'drivers/leds/leds-lp55xx-common.c')
-rw-r--r-- | drivers/leds/leds-lp55xx-common.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c index ba34199dc3d9..c2fecd4d391c 100644 --- a/drivers/leds/leds-lp55xx-common.c +++ b/drivers/leds/leds-lp55xx-common.c @@ -19,6 +19,7 @@ #include <linux/leds.h> #include <linux/module.h> #include <linux/platform_data/leds-lp55xx.h> +#include <linux/slab.h> #include "leds-lp55xx-common.h" @@ -554,6 +555,50 @@ void lp55xx_unregister_sysfs(struct lp55xx_chip *chip) } EXPORT_SYMBOL_GPL(lp55xx_unregister_sysfs); +int lp55xx_of_populate_pdata(struct device *dev, struct device_node *np) +{ + struct device_node *child; + struct lp55xx_platform_data *pdata; + struct lp55xx_led_config *cfg; + int num_channels; + int i = 0; + + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + num_channels = of_get_child_count(np); + if (num_channels == 0) { + dev_err(dev, "no LED channels\n"); + return -EINVAL; + } + + cfg = devm_kzalloc(dev, sizeof(*cfg) * num_channels, GFP_KERNEL); + if (!cfg) + return -ENOMEM; + + pdata->led_config = &cfg[0]; + pdata->num_channels = num_channels; + + for_each_child_of_node(np, child) { + cfg[i].chan_nr = i; + + of_property_read_string(child, "chan-name", &cfg[i].name); + of_property_read_u8(child, "led-cur", &cfg[i].led_current); + of_property_read_u8(child, "max-cur", &cfg[i].max_current); + + i++; + } + + of_property_read_string(np, "label", &pdata->label); + of_property_read_u8(np, "clock-mode", &pdata->clock_mode); + + dev->platform_data = pdata; + + return 0; +} +EXPORT_SYMBOL_GPL(lp55xx_of_populate_pdata); + MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>"); MODULE_DESCRIPTION("LP55xx Common Driver"); MODULE_LICENSE("GPL"); |