From: Andre Przywara Date: Sun, 16 Jun 2024 22:40:55 +0000 (+0100) Subject: iommu: sun50i: Add H616 compatible string X-Git-Tag: v6.11-rc1~115^2~10^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8db07ce532c0b51fea974613002cdc6a27732929;p=thirdparty%2Fkernel%2Flinux.git iommu: sun50i: Add H616 compatible string The IOMMU IP in the Allwinner H616 SoC is *almost* compatible to the H6, but uses a different reset value for the bypass register, and adds some more registers. While a driver *can* be written to support both variants (which we in fact do), the hardware itself is not fully compatible, so we require a separate compatible string. Add the new compatible string to the list, but without changing the behaviour, since the driver already supports both variants. Signed-off-by: Andre Przywara Reviewed-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20240616224056.29159-5-andre.przywara@arm.com Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 20a07f829085d..8d8f11854676c 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -1067,6 +1067,7 @@ err_free_cache: static const struct of_device_id sun50i_iommu_dt[] = { { .compatible = "allwinner,sun50i-h6-iommu", }, + { .compatible = "allwinner,sun50i-h616-iommu", }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, sun50i_iommu_dt);