diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/stmpe.txt | 9 | ||||
| -rw-r--r-- | drivers/mfd/stmpe.c | 21 |
2 files changed, 21 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/mfd/stmpe.txt b/Documentation/devicetree/bindings/mfd/stmpe.txt index c98450887d5e..56edb5520685 100644 --- a/Documentation/devicetree/bindings/mfd/stmpe.txt +++ b/Documentation/devicetree/bindings/mfd/stmpe.txt @@ -1,8 +1,11 @@ -* STMPE Multi-Functional Device +* ST Microelectronics STMPE Multi-Functional Device + +STMPE is an MFD device which may expose the following inbuilt devices: gpio, +keypad, touchscreen, adc, pwm, rotator. Required properties: - - compatible : "st,stmpe[811|1601|2401|2403]" - - reg : I2C address of the device + - compatible : "st,stmpe[610|801|811|1601|2401|2403]" + - reg : I2C/SPI address of the device Optional properties: - interrupts : The interrupt outputs from the controller 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); |