diff options
author | Nicolas Boichat <drinkcat@chromium.org> | 2020-02-07 06:26:24 +0100 |
---|---|---|
committer | Rob Herring <robh@kernel.org> | 2020-02-25 21:35:31 +0100 |
commit | 3e1399bccf5163c59f41298b4faf768e199f4322 (patch) | |
tree | a82c8b0107ca8156aa65372f3549f3ceda86bd77 /drivers/gpu/drm/panfrost/panfrost_drv.c | |
parent | drm/panfrost: Improve error reporting in panfrost_gpu_power_on (diff) | |
download | linux-3e1399bccf5163c59f41298b4faf768e199f4322.tar.xz linux-3e1399bccf5163c59f41298b4faf768e199f4322.zip |
drm/panfrost: Add support for multiple regulators
Some GPUs, namely, the bifrost/g72 part on MT8183, have a second
regulator for their SRAM, let's add support for that.
We extend the framework in a generic manner so that we could
support more than 2 regulators, if required.
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviwed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200207052627.130118-5-drinkcat@chromium.org
Diffstat (limited to '')
-rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_drv.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index b7a618db3ee2..4d0850752623 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -584,6 +584,10 @@ static int panfrost_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pfdev); + pfdev->comp = of_device_get_match_data(&pdev->dev); + if (!pfdev->comp) + return -ENODEV; + /* Allocate and initialze the DRM device. */ ddev = drm_dev_alloc(&panfrost_drm_driver, &pdev->dev); if (IS_ERR(ddev)) @@ -655,16 +659,22 @@ static int panfrost_remove(struct platform_device *pdev) return 0; } +const char * const default_supplies[] = { "mali" }; +static const struct panfrost_compatible default_data = { + .num_supplies = ARRAY_SIZE(default_supplies), + .supply_names = default_supplies, +}; + static const struct of_device_id dt_match[] = { - { .compatible = "arm,mali-t604" }, - { .compatible = "arm,mali-t624" }, - { .compatible = "arm,mali-t628" }, - { .compatible = "arm,mali-t720" }, - { .compatible = "arm,mali-t760" }, - { .compatible = "arm,mali-t820" }, - { .compatible = "arm,mali-t830" }, - { .compatible = "arm,mali-t860" }, - { .compatible = "arm,mali-t880" }, + { .compatible = "arm,mali-t604", .data = &default_data, }, + { .compatible = "arm,mali-t624", .data = &default_data, }, + { .compatible = "arm,mali-t628", .data = &default_data, }, + { .compatible = "arm,mali-t720", .data = &default_data, }, + { .compatible = "arm,mali-t760", .data = &default_data, }, + { .compatible = "arm,mali-t820", .data = &default_data, }, + { .compatible = "arm,mali-t830", .data = &default_data, }, + { .compatible = "arm,mali-t860", .data = &default_data, }, + { .compatible = "arm,mali-t880", .data = &default_data, }, {} }; MODULE_DEVICE_TABLE(of, dt_match); |