Add generic qcom,smmu-500 compatibility string. Newer platforms should
use this generic entry rather than declaring per-SoC entries.

Reviewed-by: Sai Prakash Ranjan <quic_saipr...@quicinc.com>
Tested-by: Sai Prakash Ranjan <quic_saipr...@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c 
b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index b93aaa0594d3..0830e614f3be 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -496,6 +496,10 @@ static const struct qcom_smmu_match_data 
qcom_smmu_500_impl0_data = {
        .cfg = &qcom_smmu_impl0_cfg,
 };
 
+/*
+ * Do not add any more qcom,SOC-smmu-500 entries to this list, unless they need
+ * special handling and can not be covered by the qcom,smmu-500 entry.
+ */
 static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
        { .compatible = "qcom,msm8996-smmu-v2", .data = &msm8996_smmu_data },
        { .compatible = "qcom,msm8998-smmu-v2", .data = &qcom_smmu_v2_data },
@@ -516,6 +520,7 @@ static const struct of_device_id __maybe_unused 
qcom_smmu_impl_of_match[] = {
        { .compatible = "qcom,sm8250-smmu-500", .data = 
&qcom_smmu_500_impl0_data },
        { .compatible = "qcom,sm8350-smmu-500", .data = 
&qcom_smmu_500_impl0_data },
        { .compatible = "qcom,sm8450-smmu-500", .data = 
&qcom_smmu_500_impl0_data },
+       { .compatible = "qcom,smmu-500", .data = &qcom_smmu_500_impl0_data },
        { }
 };
 
-- 
2.35.1

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