diff options
| author | Simon Glass <sjg@chromium.org> | 2020-07-07 21:32:19 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | 4916f4586eab7941f38a89e4dacd103af1c4105f (patch) | |
| tree | 0abebe14dc6594fdeffc71617026250afdc88501 /include/p2sb.h | |
| parent | 54bcca29737f8de2598b4a3f8f503290bd49eec0 (diff) | |
x86: pinctrl: Add a way to get the pinctrl reg address
At present we can query the offset of a pinctrl register within the p2sb.
For ACPI we need to get the actual address of the register. Add a function
to handle this and rename the old one to more accurately reflect its
purpose.
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 'include/p2sb.h')
| -rw-r--r-- | include/p2sb.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/p2sb.h b/include/p2sb.h index 60c7f70773..74eb08b7ff 100644 --- a/include/p2sb.h +++ b/include/p2sb.h @@ -132,4 +132,13 @@ int p2sb_set_port_id(struct udevice *dev, int portid); */ int p2sb_get_port_id(struct udevice *dev); +/** + * pcr_reg_address() Convert an offset in p2sb space to an absolute address + * + * @dev: Child device (whose parent is UCLASS_P2SB) + * @offset: Offset within that child's address space + * @return pointer to that offset within the child's address space + */ +void *pcr_reg_address(struct udevice *dev, uint offset); + #endif |