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board: sunxi: Convert extension support to UCLASS framework

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Migrate sunxi board extension detection from legacy implementation to
the new UCLASS-based extension board framework.

Signed-off-by: Kory Maincent (TI.com) <kory.maincent@bootlin.com>
This commit is contained in:
Kory Maincent (TI.com)
2025-10-30 17:45:05 +01:00
committed by Tom Rini
parent 56cbcb1cc9
commit 53e14e9c0c
2 changed files with 15 additions and 13 deletions
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2
arch/arm/mach-sunxi/Kconfig
View File

@@ -1223,7 +1223,7 @@ config BLUETOOTH_DT_DEVICE_FIXUP
config CHIP_DIP_SCAN
bool "Enable DIPs detection for CHIP board"
select SUPPORT_EXTENSION_SCAN
select SUPPORT_DM_EXTENSION_SCAN
select W1
select W1_GPIO
select W1_EEPROM

26
board/sunxi/chip.c
View File

@@ -40,7 +40,8 @@ struct dip_w1_header {
u8 data[16]; /* user data, per-dip specific */
} __packed;
int extension_board_scan(struct list_head *extension_list)
static int sunxi_extension_board_scan(struct udevice *udev,
struct alist *extension_list)
{
struct udevice *bus, *dev;
int num_dip = 0;
@@ -55,8 +56,8 @@ int extension_board_scan(struct list_head *extension_list)
}
for_each_w1_device(bus, &dev) {
struct extension dip = {0};
struct dip_w1_header w1_header;
struct extension *dip;
u32 vid;
u16 pid;
@@ -82,18 +83,19 @@ int extension_board_scan(struct list_head *extension_list)
w1_header.product_name, pid,
w1_header.vendor_name, vid);
dip = calloc(1, sizeof(struct extension));
if (!dip) {
printf("Error in memory allocation\n");
return num_dip;
}
snprintf(dip->overlay, sizeof(dip->overlay), "dip-%x-%x.dtbo",
snprintf(dip.overlay, sizeof(dip.overlay), "dip-%x-%x.dtbo",
vid, pid);
strlcpy(dip->name, w1_header.product_name, sizeof(dip->name));
strlcpy(dip->owner, w1_header.vendor_name, sizeof(dip->owner));
list_add_tail(&dip->list, extension_list);
strlcpy(dip.name, w1_header.product_name, sizeof(dip.name));
strlcpy(dip.owner, w1_header.vendor_name, sizeof(dip.owner));
if (!alist_add(extension_list, dip))
return -ENOMEM;
num_dip++;
}
return num_dip;
}
U_BOOT_EXTENSION(dip, sunxi_extension_board_scan);
U_BOOT_DRVINFO(dip) = {
.name = "dip",
};