diff options
| -rw-r--r-- | drivers/iommu/arm-smmu-qcom.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c index 64a4ab270ab7..5bedf21587a5 100644 --- a/drivers/iommu/arm-smmu-qcom.c +++ b/drivers/iommu/arm-smmu-qcom.c @@ -3,6 +3,7 @@ * Copyright (c) 2019, The Linux Foundation. All rights reserved. */ +#include <linux/of_device.h> #include <linux/qcom_scm.h> #include "arm-smmu.h" @@ -11,6 +12,23 @@ struct qcom_smmu { struct arm_smmu_device smmu; }; +static const struct of_device_id qcom_smmu_client_of_match[] = { + { .compatible = "qcom,adreno" }, + { .compatible = "qcom,mdp4" }, + { .compatible = "qcom,mdss" }, + { .compatible = "qcom,sc7180-mdss" }, + { .compatible = "qcom,sdm845-mdss" }, + { } +}; + +static int qcom_smmu_def_domain_type(struct device *dev) +{ + const struct of_device_id *match = + of_match_device(qcom_smmu_client_of_match, dev); + + return match ? IOMMU_DOMAIN_IDENTITY : 0; +} + static int qcom_sdm845_smmu500_reset(struct arm_smmu_device *smmu) { int ret; @@ -41,6 +59,7 @@ static int qcom_smmu500_reset(struct arm_smmu_device *smmu) } static const struct arm_smmu_impl qcom_smmu_impl = { + .def_domain_type = qcom_smmu_def_domain_type, .reset = qcom_smmu500_reset, }; |