target/linux/d1/patches-6.1/0052-iommu-sun50i-Add-support-for-the-D1-variant.patch

   1 From 5fdd5231c56d58f16a6cefa2bed4b8f331da2c92 Mon Sep 17 00:00:00 2001
   2 From: Samuel Holland <samuel@sholland.org>
   3 Date: Wed, 27 Apr 2022 19:20:58 -0500
   4 Subject: [PATCH 052/117] iommu/sun50i: Add support for the D1 variant
   5
   6 D1 contains an IOMMU similar to the one in the H6 SoC, but the D1
   7 variant has no external reset signal. It also has some register
   8 definition changes, but none that affect the current driver.
   9
  10 Signed-off-by: Samuel Holland <samuel@sholland.org>
  11 ---
  12  drivers/iommu/sun50i-iommu.c | 4 ++++
  13  1 file changed, 4 insertions(+)
  14
  15 --- a/drivers/iommu/sun50i-iommu.c
  16 +++ b/drivers/iommu/sun50i-iommu.c
  17 @@ -1071,11 +1071,15 @@ err_free_cache:
  18         return ret;
  19  }
  20
  21 +static const struct sun50i_iommu_variant sun20i_d1_iommu = {
  22 +};
  23 +
  24  static const struct sun50i_iommu_variant sun50i_h6_iommu = {
  25         .has_reset = true,
  26  };
  27
  28  static const struct of_device_id sun50i_iommu_dt[] = {
  29 +       { .compatible = "allwinner,sun20i-d1-iommu", .data = &sun20i_d1_iommu },
  30         { .compatible = "allwinner,sun50i-h6-iommu", .data = &sun50i_h6_iommu },
  31         { /* sentinel */ },
  32  };