diff options
Diffstat (limited to 'src/device')
| -rw-r--r-- | src/device/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/device/device_const.c | 3 | ||||
| -rw-r--r-- | src/device/device_util.c | 6 | ||||
| -rw-r--r-- | src/device/gpio.c | 21 |
4 files changed, 32 insertions, 0 deletions
diff --git a/src/device/Makefile.inc b/src/device/Makefile.inc index bb125afb8f..808648d4b4 100644 --- a/src/device/Makefile.inc +++ b/src/device/Makefile.inc @@ -63,3 +63,5 @@ ramstage-$(CONFIG_RESOURCE_ALLOCATOR_V3) += resource_allocator_v3.c ramstage-$(CONFIG_RESOURCE_ALLOCATOR_V4) += resource_allocator_v4.c ramstage-$(CONFIG_XHCI_UTILS) += xhci.c + +ramstage-y += gpio.c diff --git a/src/device/device_const.c b/src/device/device_const.c index 2dc583ca27..5288a743b6 100644 --- a/src/device/device_const.c +++ b/src/device/device_const.c @@ -162,6 +162,9 @@ static int path_eq(const struct device_path *path1, case DEVICE_PATH_LPC: equal = (path1->lpc.addr == path2->lpc.addr); break; + case DEVICE_PATH_GPIO: + equal = (path1->gpio.id == path2->gpio.id); + break; default: printk(BIOS_ERR, "Unknown device type: %d\n", path1->type); break; diff --git a/src/device/device_util.c b/src/device/device_util.c index 452a87bf14..0bce26a99e 100644 --- a/src/device/device_util.c +++ b/src/device/device_util.c @@ -130,6 +130,9 @@ u32 dev_path_encode(const struct device *dev) case DEVICE_PATH_USB: ret |= dev->path.usb.port_type << 8 | dev->path.usb.port_id; break; + case DEVICE_PATH_GPIO: + ret |= dev->path.gpio.id; + break; case DEVICE_PATH_NONE: case DEVICE_PATH_MMIO: /* don't care */ default: @@ -223,6 +226,9 @@ const char *dev_path(const struct device *dev) snprintf(buffer, sizeof(buffer), "LPC: %08lx", dev->path.lpc.addr); break; + case DEVICE_PATH_GPIO: + snprintf(buffer, sizeof(buffer), "GPIO: %d", dev->path.gpio.id); + break; default: printk(BIOS_ERR, "Unknown device path type: %d\n", dev->path.type); diff --git a/src/device/gpio.c b/src/device/gpio.c new file mode 100644 index 0000000000..5e71497024 --- /dev/null +++ b/src/device/gpio.c @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/device.h> +#include <device/gpio.h> + +const struct gpio_operations *dev_get_gpio_ops(struct device *dev) +{ + if (!dev) { + printk(BIOS_ERR, "Could not get gpio operations, device is NULL."); + return NULL; + } else if (!dev->ops) { + printk(BIOS_ERR, "Could not get gpio operations, dev->ops is NULL."); + return NULL; + } else if (!dev->ops->ops_gpio) { + printk(BIOS_ERR, "Could not get gpio operations, ops_gpio is NULL."); + return NULL; + } + + return dev->ops->ops_gpio; +} |