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drm/amd/amdgpu: Initialize swnode for ISP MFD device

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Create amd_isp_capture MFD device with swnode initialized to
isp specific software_node part of fwnode graph in amd_isp4
x86/platform driver. The isp driver use this swnode handle
to retrieve the critical properties (data-lanes, mipi phyid,
link-frequencies etc.) required for camera to work on AMD ISP4
based targets.

Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pratap Nirujogi
2025-06-24 19:15:00 -04:00
committed by Alex Deucher
parent 2becafc319
commit e36519f5c8
3 changed files with 11 additions and 6 deletions
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11
drivers/gpu/drm/amd/amdgpu/isp_v4_1_1.c
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@@ -183,15 +183,16 @@ exit:
static int isp_v4_1_1_hw_init(struct amdgpu_isp *isp)
{
const struct software_node *amd_camera_node, *isp4_node;
struct amdgpu_device *adev = isp->adev;
struct acpi_device *acpi_dev;
int idx, int_idx, num_res, r;
u8 isp_dev_hid[ACPI_ID_LEN];
u64 isp_base;
if (adev->rmmio_size == 0 || adev->rmmio_size < 0x5289)
return -EINVAL;
r = amdgpu_acpi_get_isp4_dev_hid(&isp_dev_hid);
r = amdgpu_acpi_get_isp4_dev(&acpi_dev);
if (r) {
drm_dbg(&adev->ddev, "Invalid isp platform detected (%d)", r);
/* allow GPU init to progress */
@@ -199,7 +200,7 @@ static int isp_v4_1_1_hw_init(struct amdgpu_isp *isp)
}
/* add GPIO resources required for OMNI5C10 sensor */
if (!strcmp("OMNI5C10", isp_dev_hid)) {
if (!strcmp("OMNI5C10", acpi_device_hid(acpi_dev))) {
gpiod_add_lookup_table(&isp_gpio_table);
gpiod_add_lookup_table(&isp_sensor_gpio_table);
}
@@ -241,6 +242,9 @@ static int isp_v4_1_1_hw_init(struct amdgpu_isp *isp)
goto failure;
}
amd_camera_node = (const struct software_node *)acpi_dev->driver_data;
isp4_node = software_node_find_by_name(amd_camera_node, "isp4");
/* initialize isp platform data */
isp->isp_pdata->adev = (void *)adev;
isp->isp_pdata->asic_type = adev->asic_type;
@@ -269,6 +273,7 @@ static int isp_v4_1_1_hw_init(struct amdgpu_isp *isp)
isp->isp_cell[0].num_resources = num_res;
isp->isp_cell[0].resources = &isp->isp_res[0];
isp->isp_cell[0].platform_data = isp->isp_pdata;
isp->isp_cell[0].swnode = isp4_node;
isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data);
/* initialize isp i2c platform data */