From: Vipul Kumar Samar <[email protected]> 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 <[email protected]> Acked-by: Linus Walleij <[email protected]> Signed-off-by: Vipul Kumar Samar <[email protected]> Signed-off-by: Viresh Kumar <[email protected]> --- V6->V7: - Minor grammer correction in stmpe.txt - Removed comment over pdata->id = -1 Documentation/devicetree/bindings/mfd/stmpe.txt | 9 ++++++--- drivers/mfd/stmpe.c | 22 ++++++++++++++++------ 2 files changed, 22 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/stmpe.txt b/Documentation/devicetree/bindings/mfd/stmpe.txt index 8f0aeda..9fc1715 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 34408b4..48c4f18 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -7,12 +7,15 @@ * Author: Rabin Vincent <[email protected]> for ST-Ericsson */ +#include <linux/err.h> #include <linux/gpio.h> #include <linux/export.h> #include <linux/kernel.h> #include <linux/interrupt.h> #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> @@ -1019,6 +1022,9 @@ 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); @@ -1027,15 +1033,16 @@ 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; } } } @@ -1106,6 +1113,9 @@ 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); -- 1.7.12.rc2.18.g61b472e -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
