diff options
author | Vipul Kumar Samar <vipulkumar.samar@st.com> | 2012-12-07 18:59:37 +0400 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-12-10 13:03:50 +0400 |
commit | ac713cc9fcb8a5f9503af08421772b85ca4685f1 (patch) | |
tree | b2a712700477bb7056c0b0cd26896441890823f5 /drivers/mfd/stmpe.c | |
parent | be2f6f5a7833b99bdee97c4b877dcd2afc6cdd00 (diff) | |
download | linux-ac713cc9fcb8a5f9503af08421772b85ca4685f1.tar.xz |
mfd: stmpe: Update DT support for stmpe driver
This patch extends existing DT support for stmpe devices. This updates:
- missing header files in stmpe.c
- stmpe_of_probe() with pwm, rotator and new bindings.
- Bindings are updated in binding document.
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/stmpe.c')
-rw-r--r-- | drivers/mfd/stmpe.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 90c6151bc52e..b18cc1a1b162 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -7,6 +7,7 @@ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson */ +#include <linux/err.h> #include <linux/gpio.h> #include <linux/export.h> #include <linux/kernel.h> @@ -14,6 +15,7 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/of.h> +#include <linux/of_gpio.h> #include <linux/pm.h> #include <linux/slab.h> #include <linux/mfd/core.h> @@ -1012,6 +1014,9 @@ void __devinit stmpe_of_probe(struct stmpe_platform_data *pdata, { struct device_node *child; + pdata->id = -1; + pdata->irq_trigger = IRQF_TRIGGER_NONE; + of_property_read_u32(np, "st,autosleep-timeout", &pdata->autosleep_timeout); @@ -1020,15 +1025,16 @@ void __devinit stmpe_of_probe(struct stmpe_platform_data *pdata, for_each_child_of_node(np, child) { if (!strcmp(child->name, "stmpe_gpio")) { pdata->blocks |= STMPE_BLOCK_GPIO; - } - if (!strcmp(child->name, "stmpe_keypad")) { + } else if (!strcmp(child->name, "stmpe_keypad")) { pdata->blocks |= STMPE_BLOCK_KEYPAD; - } - if (!strcmp(child->name, "stmpe_touchscreen")) { + } else if (!strcmp(child->name, "stmpe_touchscreen")) { pdata->blocks |= STMPE_BLOCK_TOUCHSCREEN; - } - if (!strcmp(child->name, "stmpe_adc")) { + } else if (!strcmp(child->name, "stmpe_adc")) { pdata->blocks |= STMPE_BLOCK_ADC; + } else if (!strcmp(child->name, "stmpe_pwm")) { + pdata->blocks |= STMPE_BLOCK_PWM; + } else if (!strcmp(child->name, "stmpe_rotator")) { + pdata->blocks |= STMPE_BLOCK_ROTATOR; } } } @@ -1099,6 +1105,9 @@ int __devinit stmpe_probe(struct stmpe_client_info *ci, int partnum) return -ENODEV; } stmpe->variant = stmpe_noirq_variant_info[stmpe->partnum]; + } else if (pdata->irq_trigger == IRQF_TRIGGER_NONE) { + pdata->irq_trigger = + irqd_get_trigger_type(irq_get_irq_data(stmpe->irq)); } ret = stmpe_chip_init(stmpe); |