x86: pinctrl: Add multi-ACPI control
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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
diff --git a/drivers/pinctrl/intel/Kconfig b/drivers/pinctrl/intel/Kconfig
index e62a2e0..1acc5da 100644
--- a/drivers/pinctrl/intel/Kconfig
+++ b/drivers/pinctrl/intel/Kconfig
@@ -15,6 +15,18 @@
bool
default y
+config INTEL_PINCTRL_MULTI_ACPI_DEVICES
+ bool
+ default y
+ help
+ Enable this if the pinctrl devices are modelled as multiple,
+ separate ACPI devices in the ACPI tables. If enabled, the ACPI
+ devices match the U-Boot pinctrl devices and the pin 'offset' is
+ relatove to a particular pinctrl device. If disabled, there is a
+ single ACPI pinctrl device which includes all U-Boot pinctrl devices
+ and the pin 'offset' is in effect a global pin number.
+
+
config PINCTRL_INTEL_APL
bool "Support Intel Apollo Lake (APL)"
help