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[050/108] x86: pinctrl: Add multi-ACPI control

Message ID 20200126220508.50.I4f722d76cfa910b97ecad2c968d4bef1f9ea12f8@changeid
State RFC
Delegated to: Bin Meng
Headers show
Series RFC: dm: Add programatic generation of ACPI tables | expand

Commit Message

Simon Glass Jan. 27, 2020, 5:05 a.m. UTC 
Add a Kconfig to control whether pinctrl is represented as a single ACPI
device or as multiple devices. In the latter case (the default) we should
return the pin number relative to the pinctrl device.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 drivers/pinctrl/intel/Kconfig   | 4 ++++
 drivers/pinctrl/intel/pinctrl.c | 2 ++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/pinctrl/intel/Kconfig b/drivers/pinctrl/intel/Kconfig
index e62a2e0349..05a314af88 100644
--- a/drivers/pinctrl/intel/Kconfig
+++ b/drivers/pinctrl/intel/Kconfig
@@ -15,6 +15,10 @@  config INTEL_PINCTRL_IOSTANDBY
 	bool
 	default y
 
+config INTEL_PINCTRL_MULTI_ACPI_DEVICES
+	bool
+	default y
+
 config PINCTRL_INTEL_APL
 	bool "Support Intel Apollo Lake (APL)"
 	help
diff --git a/drivers/pinctrl/intel/pinctrl.c b/drivers/pinctrl/intel/pinctrl.c
index 68955f66ed..8204add295 100644
--- a/drivers/pinctrl/intel/pinctrl.c
+++ b/drivers/pinctrl/intel/pinctrl.c
@@ -424,6 +424,8 @@  int intel_pinctrl_get_acpi_pin(struct udevice *dev, uint offset)
 	const struct pad_community *comm = priv->comm;
 	int group;
 
+	if (IS_ENABLED(CONFIG_INTEL_PINCTRL_MULTI_ACPI_DEVICES))
+		return offset;
 	group = pinctrl_group_index(comm, offset);
 
 	/* If pad base is not set then use GPIO number as ACPI pin number */