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| author | Simon Glass <sjg@chromium.org> | 2020-07-07 21:32:21 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | a9331a3388badf8a4f203d54c238f4e6bc76f247 (patch) | |
| tree | 2caba789efef37c299f5ed1f062997731ead9cc1 /drivers/pinctrl/intel | |
| parent | 05516e3d47038be98ed9046940e33431c851212b (diff) | |
| download | u-boot-a9331a3388badf8a4f203d54c238f4e6bc76f247.zip u-boot-a9331a3388badf8a4f203d54c238f4e6bc76f247.tar.gz u-boot-a9331a3388badf8a4f203d54c238f4e6bc76f247.tar.bz2 | |
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>
Diffstat (limited to 'drivers/pinctrl/intel')
| -rw-r--r-- | drivers/pinctrl/intel/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl.c | 2 |
2 files changed, 14 insertions, 0 deletions
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 @@ config INTEL_PINCTRL_IOSTANDBY 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 diff --git a/drivers/pinctrl/intel/pinctrl.c b/drivers/pinctrl/intel/pinctrl.c index bf3989b..32ca303 100644 --- a/drivers/pinctrl/intel/pinctrl.c +++ b/drivers/pinctrl/intel/pinctrl.c @@ -427,6 +427,8 @@ 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 */ |