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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>
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@ -15,6 +15,18 @@ config INTEL_PINCTRL_IOSTANDBY
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bool
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default y
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config INTEL_PINCTRL_MULTI_ACPI_DEVICES
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bool
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default y
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help
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Enable this if the pinctrl devices are modelled as multiple,
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separate ACPI devices in the ACPI tables. If enabled, the ACPI
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devices match the U-Boot pinctrl devices and the pin 'offset' is
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relatove to a particular pinctrl device. If disabled, there is a
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single ACPI pinctrl device which includes all U-Boot pinctrl devices
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and the pin 'offset' is in effect a global pin number.
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config PINCTRL_INTEL_APL
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bool "Support Intel Apollo Lake (APL)"
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help
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@ -427,6 +427,8 @@ int intel_pinctrl_get_acpi_pin(struct udevice *dev, uint offset)
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const struct pad_community *comm = priv->comm;
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int group;
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if (IS_ENABLED(CONFIG_INTEL_PINCTRL_MULTI_ACPI_DEVICES))
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return offset;
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group = pinctrl_group_index(comm, offset);
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/* If pad base is not set then use GPIO number as ACPI pin number */
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