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pmaports/device/community/linux-postmarketos-omap/0006-Add-TWL6030-power-button-support-to-twl-pwrbutton.patch
Sicelo A. Mhlongo 22dfc72571
linux-postmarketos-omap: upgrade to 6.8.0 (MR 4871) 
[ci:skip-build]: already built successfully in CI
2024-03-11 14:29:23 -07:00

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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
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