pmaports/device/community/linux-postmarketos-omap/0006-Add-TWL6030-power-button-support-to-twl-pwrbutton.patch

diff --git a/Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt b/Documentation/devicetree/bindings/input/twl-pwrbutton.txt
similarity index 64%
rename from Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt
rename to Documentation/devicetree/bindings/input/twl-pwrbutton.txt
index f5021214e..b49e2608f 100644
--- a/Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt
+++ b/Documentation/devicetree/bindings/input/twl-pwrbutton.txt
@@ -1,6 +1,6 @@
-Texas Instruments TWL family (twl4030) pwrbutton module
+Texas Instruments TWL family pwrbutton module

-This module is part of the TWL4030. For more details about the whole
+This module is part of a TWL chip. For more details about the whole
 chip see Documentation/devicetree/bindings/mfd/ti,twl.yaml.

 This module provides a simple power button event via an Interrupt.
@@ -8,8 +8,9 @@ This module provides a simple power button event via an Interrupt.
 Required properties:
 - compatible: should be one of the following
    - "ti,twl4030-pwrbutton": For controllers compatible with twl4030
+   - "ti,twl6030-pwrbutton": For controllers compatible with twl6030
 - interrupts: should be one of the following
-   - <8>: For controllers compatible with twl4030
+   - <8>: For controllers compatible with the twl
 
 Example:
 
diff --git a/arch/arm/boot/dts/ti/omap/twl6030.dtsi b/arch/arm/boot/dts/ti/omap/twl6030.dtsi
index 9d588cfaa..ac033debf 100644
--- a/arch/arm/boot/dts/ti/omap/twl6030.dtsi
+++ b/arch/arm/boot/dts/ti/omap/twl6030.dtsi
@@ -102,4 +102,9 @@ gpadc {
 		interrupts = <3>;
 		#io-channel-cells = <1>;
 	};
+
+	twl_pwrbutton: pwrbutton {
+		compatible = "ti,twl6030-pwrbutton";
+		interrupts = <0>;
+	};
 };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index dd5227cf8..61e1075bd 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -479,15 +479,15 @@ config INPUT_AXP20X_PEK
 	  be called axp20x-pek.
 
 
-config INPUT_TWL4030_PWRBUTTON
-	tristate "TWL4030 Power button Driver"
+config INPUT_TWL_PWRBUTTON
+	tristate "TWL Power button Driver"
 	depends on TWL4030_CORE
 	help
 	  Say Y here if you want to enable power key reporting via the
-	  TWL4030 family of chips.
+	  TWL family of chips.
 
 	  To compile this driver as a module, choose M here. The module will
-	  be called twl4030_pwrbutton.
+	  be called twl_pwrbutton
 
 config INPUT_TWL4030_VIBRA
 	tristate "Support for TWL4030 Vibrator"
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index b92c53a6b..03531e525 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -78,7 +78,7 @@ obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY)	+= soc_button_array.o
 obj-$(CONFIG_INPUT_STPMIC1_ONKEY)  	+= stpmic1_onkey.o
 obj-$(CONFIG_INPUT_TPS65218_PWRBUTTON)	+= tps65218-pwrbutton.o
 obj-$(CONFIG_INPUT_TPS65219_PWRBUTTON)	+= tps65219-pwrbutton.o
-obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON)	+= twl4030-pwrbutton.o
+obj-$(CONFIG_INPUT_TWL_PWRBUTTON)	+= twl-pwrbutton.o
 obj-$(CONFIG_INPUT_TWL4030_VIBRA)	+= twl4030-vibra.o
 obj-$(CONFIG_INPUT_TWL6040_VIBRA)	+= twl6040-vibra.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl-pwrbutton.c
similarity index 58%
rename from drivers/input/misc/twl4030-pwrbutton.c
rename to drivers/input/misc/twl-pwrbutton.c
index b307cca17..9f6081474 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl-pwrbutton.c
@@ -31,15 +31,22 @@
 
 #define PWR_PWRON_IRQ (1 << 0)
 
-#define STS_HW_CONDITIONS 0xf
+#define TWL4030_STS_HW_CONDITIONS 0x0f
+#define TWL6030_STS_HW_CONDITIONS 0x21
 
-static irqreturn_t powerbutton_irq(int irq, void *_pwr)
+static irqreturn_t twl_pwrbutton_irq(int irq, void *_pwr)
 {
 	struct input_dev *pwr = _pwr;
 	int err;
 	u8 value;
 
-	err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &value, STS_HW_CONDITIONS);
+	if (twl_class_is_4030())
+		err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &value,
+				TWL4030_STS_HW_CONDITIONS);
+	else
+		err = twl_i2c_read_u8(TWL6030_MODULE_ID0, &value,
+				TWL6030_STS_HW_CONDITIONS);
+
 	if (!err)  {
 		pm_wakeup_event(pwr->dev.parent, 0);
 		input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ);
@@ -52,7 +59,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
 	return IRQ_HANDLED;
 }
 
-static int twl4030_pwrbutton_probe(struct platform_device *pdev)
+static int twl_pwrbutton_probe(struct platform_device *pdev)
 {
 	struct input_dev *pwr;
 	int irq = platform_get_irq(pdev, 0);
@@ -64,15 +71,23 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	input_set_capability(pwr, EV_KEY, KEY_POWER);
-	pwr->name = "twl4030_pwrbutton";
-	pwr->phys = "twl4030_pwrbutton/input0";
+	pwr->evbit[0] = BIT_MASK(EV_KEY);
+	pwr->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+	pwr->name = "twl_pwrbutton";
+	pwr->phys = "twl_pwrbutton/input0";
 	pwr->dev.parent = &pdev->dev;
 
-	err = devm_request_threaded_irq(&pdev->dev, irq, NULL, powerbutton_irq,
+	if (twl_class_is_6030()) {
+		twl6030_interrupt_unmask(TWL6030_PWRON_INT_MASK,
+			REG_INT_MSK_LINE_A);
+		twl6030_interrupt_unmask(TWL6030_PWRON_INT_MASK,
+			REG_INT_MSK_STS_A);
+	}
+
+	err = devm_request_threaded_irq(&pwr->dev, irq, NULL, twl_pwrbutton_irq,
 			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
 			IRQF_ONESHOT,
-			"twl4030_pwrbutton", pwr);
+			"twl_pwrbutton", pwr);
 	if (err < 0) {
 		dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
 		return err;
@@ -84,31 +99,45 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
 		return err;
 	}
 
+	platform_set_drvdata(pdev, pwr);
 	device_init_wakeup(&pdev->dev, true);
 
 	return 0;
 }
 
+static int twl_pwrbutton_remove(struct platform_device *pdev)
+{
+	if (twl_class_is_6030()) {
+		twl6030_interrupt_mask(TWL6030_PWRON_INT_MASK,
+			REG_INT_MSK_LINE_A);
+		twl6030_interrupt_mask(TWL6030_PWRON_INT_MASK,
+			REG_INT_MSK_STS_A);
+	}
+
+	return 0;
+}
+
 #ifdef CONFIG_OF
-static const struct of_device_id twl4030_pwrbutton_dt_match_table[] = {
+static const struct of_device_id twl_pwrbutton_dt_match_table[] = {
        { .compatible = "ti,twl4030-pwrbutton" },
+       { .compatible = "ti,twl6030-pwrbutton" },
        {},
 };
-MODULE_DEVICE_TABLE(of, twl4030_pwrbutton_dt_match_table);
+MODULE_DEVICE_TABLE(of, twl_pwrbutton_dt_match_table);
 #endif
 
-static struct platform_driver twl4030_pwrbutton_driver = {
-	.probe		= twl4030_pwrbutton_probe,
+static struct platform_driver twl_pwrbutton_driver = {
+	.probe		= twl_pwrbutton_probe,
+	.remove		= twl_pwrbutton_remove,
 	.driver		= {
-		.name	= "twl4030_pwrbutton",
-		.of_match_table = of_match_ptr(twl4030_pwrbutton_dt_match_table),
+		.name	= "twl_pwrbutton",
+		.of_match_table = of_match_ptr(twl_pwrbutton_dt_match_table),
 	},
 };
-module_platform_driver(twl4030_pwrbutton_driver);
+module_platform_driver(twl_pwrbutton_driver);
 
-MODULE_ALIAS("platform:twl4030_pwrbutton");
-MODULE_DESCRIPTION("Triton2 Power Button");
+MODULE_ALIAS("platform:twl_pwrbutton");
+MODULE_DESCRIPTION("TWL Power Button");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Peter De Schrijver <peter.de-schrijver@nokia.com>");
 MODULE_AUTHOR("Felipe Balbi <felipe.balbi@nokia.com>");
-
diff --git a/include/linux/mfd/twl.h b/include/linux/mfd/twl.h
index 8871cc518..108138c99 100644
--- a/include/linux/mfd/twl.h
+++ b/include/linux/mfd/twl.h
@@ -113,6 +113,7 @@ enum twl6030_module_ids {
 #define REG_INT_MSK_STS_C		0x08
 
 /* MASK INT REG GROUP A */
+#define TWL6030_PWRON_INT_MASK		0x01
 #define TWL6030_PWR_INT_MASK 		0x07
 #define TWL6030_RTC_INT_MASK 		0x18
 #define TWL6030_HOTDIE_INT_MASK 	0x20